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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401] [Versions 401 and 402] [Versions 401 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core_message;
  18  
  19  use core_message\tests\helper as testhelper;
  20  use core_message_external;
  21  use externallib_advanced_testcase;
  22  
  23  defined('MOODLE_INTERNAL') || die();
  24  
  25  global $CFG;
  26  
  27  require_once($CFG->dirroot . '/webservice/tests/helpers.php');
  28  require_once($CFG->dirroot . '/message/externallib.php');
  29  
  30  /**
  31   * External message functions unit tests
  32   *
  33   * @package    core_message
  34   * @category   external
  35   * @copyright  2012 Jerome Mouneyrac
  36   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class externallib_test extends externallib_advanced_testcase {
  39  
  40      /**
  41       * Tests set up
  42       */
  43      protected function setUp(): void {
  44          global $CFG;
  45  
  46          require_once($CFG->dirroot . '/message/lib.php');
  47      }
  48  
  49      /**
  50       * Send a fake message.
  51       *
  52       * {@link message_send()} does not support transaction, this function will simulate a message
  53       * sent from a user to another. We should stop using it once {@link message_send()} will support
  54       * transactions. This is not clean at all, this is just used to add rows to the table.
  55       *
  56       * @param \stdClass $userfrom user object of the one sending the message.
  57       * @param \stdClass $userto user object of the one receiving the message.
  58       * @param string $message message to send.
  59       * @param int $notification is the message a notification.
  60       * @param int $time the time the message was sent
  61       */
  62      protected function send_message($userfrom, $userto, $message = 'Hello world!', $notification = 0, $time = 0) {
  63          global $DB;
  64  
  65          if (empty($time)) {
  66              $time = time();
  67          }
  68  
  69          if ($notification) {
  70              $record = new \stdClass();
  71              $record->useridfrom = $userfrom->id;
  72              $record->useridto = $userto->id;
  73              $record->subject = 'No subject';
  74              $record->fullmessage = $message;
  75              $record->smallmessage = $message;
  76              $record->timecreated = $time;
  77  
  78              return $DB->insert_record('notifications', $record);
  79          }
  80  
  81          if (!$conversationid = \core_message\api::get_conversation_between_users([$userfrom->id, $userto->id])) {
  82              $conversation = \core_message\api::create_conversation(
  83                  \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
  84                  [
  85                      $userfrom->id,
  86                      $userto->id
  87                  ]
  88              );
  89              $conversationid = $conversation->id;
  90          }
  91  
  92          // Ok, send the message.
  93          $record = new \stdClass();
  94          $record->useridfrom = $userfrom->id;
  95          $record->conversationid = $conversationid;
  96          $record->subject = 'No subject';
  97          $record->fullmessage = $message;
  98          $record->smallmessage = $message;
  99          $record->timecreated = $time;
 100  
 101          return $DB->insert_record('messages', $record);
 102      }
 103  
 104      /**
 105       * Test send_instant_messages.
 106       */
 107      public function test_send_instant_messages() {
 108          global $DB, $USER;
 109  
 110          $this->resetAfterTest();
 111  
 112          // Transactions used in tests, tell phpunit use alternative reset method.
 113          $this->preventResetByRollback();
 114  
 115          $user1 = self::getDataGenerator()->create_user();
 116          $user2 = self::getDataGenerator()->create_user();
 117  
 118          $this->setUser($user1);
 119  
 120          // Create test message data.
 121          $message1 = array();
 122          $message1['touserid'] = $user2->id;
 123          $message1['text'] = 'the message.';
 124          $message1['clientmsgid'] = 4;
 125          $messages = array($message1);
 126  
 127          $sentmessages = core_message_external::send_instant_messages($messages);
 128          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 129          $this->assertEquals(
 130              get_string('usercantbemessaged', 'message', fullname(\core_user::get_user($message1['touserid']))),
 131              array_pop($sentmessages)['errormessage']
 132          );
 133  
 134          // Add the user1 as a contact.
 135          \core_message\api::add_contact($user1->id, $user2->id);
 136  
 137          // Send message again. Now it should work properly.
 138          $sentmessages = core_message_external::send_instant_messages($messages);
 139          // We need to execute the return values cleaning process to simulate the web service server.
 140          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 141  
 142          $sentmessage = reset($sentmessages);
 143  
 144          $sql = "SELECT m.*, mcm.userid as useridto
 145                   FROM {messages} m
 146             INNER JOIN {message_conversations} mc
 147                     ON m.conversationid = mc.id
 148             INNER JOIN {message_conversation_members} mcm
 149                     ON mcm.conversationid = mc.id
 150                  WHERE mcm.userid != ?
 151                    AND m.id = ?";
 152          $themessage = $DB->get_record_sql($sql, [$USER->id, $sentmessage['msgid']]);
 153  
 154          // Confirm that the message was inserted correctly.
 155          $this->assertEquals($themessage->useridfrom, $user1->id);
 156          $this->assertEquals($themessage->useridto, $message1['touserid']);
 157          $this->assertEquals($themessage->smallmessage, $message1['text']);
 158          $this->assertEquals($sentmessage['clientmsgid'], $message1['clientmsgid']);
 159      }
 160  
 161      /**
 162       * Test send_instant_messages with a message text longer than permitted.
 163       */
 164      public function test_send_instant_messages_long_text() {
 165          global $CFG;
 166  
 167          $this->resetAfterTest(true);
 168  
 169          // Transactions used in tests, tell phpunit use alternative reset method.
 170          $this->preventResetByRollback();
 171  
 172          $user1 = self::getDataGenerator()->create_user();
 173          $user2 = self::getDataGenerator()->create_user();
 174  
 175          $this->setUser($user1);
 176  
 177          // Create test message data.
 178          $message1 = [
 179              'touserid' => $user2->id,
 180              'text' => str_repeat("M", \core_message\api::MESSAGE_MAX_LENGTH + 100),
 181              'clientmsgid' => 4,
 182          ];
 183          $messages = [$message1];
 184  
 185          // Add the user1 as a contact.
 186          \core_message\api::add_contact($user1->id, $user2->id);
 187  
 188          $sentmessages = core_message_external::send_instant_messages($messages);
 189          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 190          $this->assertEquals(
 191              get_string('errormessagetoolong', 'message'),
 192              array_pop($sentmessages)['errormessage']
 193          );
 194      }
 195  
 196      /**
 197       * Test send_instant_messages to a user who has blocked you.
 198       */
 199      public function test_send_instant_messages_blocked_user() {
 200          global $DB;
 201  
 202          $this->resetAfterTest();
 203  
 204          // Transactions used in tests, tell phpunit use alternative reset method.
 205          $this->preventResetByRollback();
 206  
 207          $user1 = self::getDataGenerator()->create_user();
 208          $user2 = self::getDataGenerator()->create_user();
 209  
 210          $this->setUser($user1);
 211  
 212          \core_message\api::block_user($user2->id, $user1->id);
 213  
 214          // Create test message data.
 215          $message1 = array();
 216          $message1['touserid'] = $user2->id;
 217          $message1['text'] = 'the message.';
 218          $message1['clientmsgid'] = 4;
 219          $messages = array($message1);
 220  
 221          $sentmessages = core_message_external::send_instant_messages($messages);
 222          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 223  
 224          $sentmessage = reset($sentmessages);
 225  
 226          $this->assertEquals(get_string('usercantbemessaged', 'message', fullname($user2)), $sentmessage['errormessage']);
 227  
 228          $this->assertEquals(0, $DB->count_records('messages'));
 229      }
 230  
 231      /**
 232       * Test send_instant_messages when sending a message to a non-contact who has blocked non-contacts.
 233       */
 234      public function test_send_instant_messages_block_non_contacts() {
 235          global $DB;
 236  
 237          $this->resetAfterTest(true);
 238  
 239          // Transactions used in tests, tell phpunit use alternative reset method.
 240          $this->preventResetByRollback();
 241  
 242          $user1 = self::getDataGenerator()->create_user();
 243          $user2 = self::getDataGenerator()->create_user();
 244  
 245          $this->setUser($user1);
 246  
 247          // Set the user preference so user 2 does not accept messages from non-contacts.
 248          set_user_preference('message_blocknoncontacts', \core_message\api::MESSAGE_PRIVACY_ONLYCONTACTS, $user2);
 249  
 250          // Create test message data.
 251          $message1 = array();
 252          $message1['touserid'] = $user2->id;
 253          $message1['text'] = 'the message.';
 254          $message1['clientmsgid'] = 4;
 255          $messages = array($message1);
 256  
 257          $sentmessages = core_message_external::send_instant_messages($messages);
 258          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 259  
 260          $sentmessage = reset($sentmessages);
 261  
 262          $this->assertEquals(get_string('usercantbemessaged', 'message', fullname($user2)), $sentmessage['errormessage']);
 263  
 264          $this->assertEquals(0, $DB->count_records('messages'));
 265      }
 266  
 267      /**
 268       * Test send_instant_messages when sending a message to a contact who has blocked non-contacts.
 269       */
 270      public function test_send_instant_messages_block_non_contacts_but_am_contact() {
 271          global $DB, $USER;
 272  
 273          $this->resetAfterTest(true);
 274  
 275          // Transactions used in tests, tell phpunit use alternative reset method.
 276          $this->preventResetByRollback();
 277  
 278          $user1 = self::getDataGenerator()->create_user();
 279          $user2 = self::getDataGenerator()->create_user();
 280  
 281          $this->setUser($user1);
 282  
 283          // Set the user preference so user 2 does not accept messages from non-contacts.
 284          set_user_preference('message_blocknoncontacts', \core_message\api::MESSAGE_PRIVACY_ONLYCONTACTS, $user2);
 285  
 286          \core_message\api::add_contact($user1->id, $user2->id);
 287  
 288          // Create test message data.
 289          $message1 = array();
 290          $message1['touserid'] = $user2->id;
 291          $message1['text'] = 'the message.';
 292          $message1['clientmsgid'] = 4;
 293          $messages = array($message1);
 294  
 295          $sentmessages = core_message_external::send_instant_messages($messages);
 296          $sentmessages = \external_api::clean_returnvalue(core_message_external::send_instant_messages_returns(), $sentmessages);
 297  
 298          $sentmessage = reset($sentmessages);
 299  
 300          $sql = "SELECT m.*, mcm.userid as useridto
 301                   FROM {messages} m
 302             INNER JOIN {message_conversations} mc
 303                     ON m.conversationid = mc.id
 304             INNER JOIN {message_conversation_members} mcm
 305                     ON mcm.conversationid = mc.id
 306                  WHERE mcm.userid != ?
 307                    AND m.id = ?";
 308          $themessage = $DB->get_record_sql($sql, [$USER->id, $sentmessage['msgid']]);
 309  
 310          // Confirm that the message was inserted correctly.
 311          $this->assertEquals($themessage->useridfrom, $user1->id);
 312          $this->assertEquals($themessage->useridto, $message1['touserid']);
 313          $this->assertEquals($themessage->smallmessage, $message1['text']);
 314          $this->assertEquals($sentmessage['clientmsgid'], $message1['clientmsgid']);
 315      }
 316  
 317      /**
 318       * Test send_instant_messages with no capabilities
 319       */
 320      public function test_send_instant_messages_no_capability() {
 321          global $DB;
 322  
 323          $this->resetAfterTest(true);
 324  
 325          // Transactions used in tests, tell phpunit use alternative reset method.
 326          $this->preventResetByRollback();
 327  
 328          $user1 = self::getDataGenerator()->create_user();
 329          $user2 = self::getDataGenerator()->create_user();
 330  
 331          $this->setUser($user1);
 332  
 333          // Unset the required capabilities by the external function.
 334          $contextid = \context_system::instance()->id;
 335          $userrole = $DB->get_record('role', array('shortname' => 'user'));
 336          $this->unassignUserCapability('moodle/site:sendmessage', $contextid, $userrole->id);
 337  
 338          // Create test message data.
 339          $message1 = array();
 340          $message1['touserid'] = $user2->id;
 341          $message1['text'] = 'the message.';
 342          $message1['clientmsgid'] = 4;
 343          $messages = array($message1);
 344  
 345          $this->expectException('required_capability_exception');
 346          core_message_external::send_instant_messages($messages);
 347      }
 348  
 349      /**
 350       * Test send_instant_messages when messaging is disabled.
 351       */
 352      public function test_send_instant_messages_messaging_disabled() {
 353          global $CFG;
 354  
 355          $this->resetAfterTest(true);
 356  
 357          // Transactions used in tests, tell phpunit use alternative reset method.
 358          $this->preventResetByRollback();
 359  
 360          $user1 = self::getDataGenerator()->create_user();
 361          $user2 = self::getDataGenerator()->create_user();
 362  
 363          $this->setUser($user1);
 364  
 365          // Disable messaging.
 366          $CFG->messaging = 0;
 367  
 368          // Create test message data.
 369          $message1 = array();
 370          $message1['touserid'] = $user2->id;
 371          $message1['text'] = 'the message.';
 372          $message1['clientmsgid'] = 4;
 373          $messages = array($message1);
 374  
 375          $this->expectException('moodle_exception');
 376          core_message_external::send_instant_messages($messages);
 377      }
 378  
 379      /**
 380       * Test delete_contacts.
 381       */
 382      public function test_delete_contacts() {
 383          $this->resetAfterTest(true);
 384  
 385          $user1 = self::getDataGenerator()->create_user();
 386          $user2 = self::getDataGenerator()->create_user();
 387          $user3 = self::getDataGenerator()->create_user();
 388          $user4 = self::getDataGenerator()->create_user();
 389          $user5 = self::getDataGenerator()->create_user();
 390          $user6 = self::getDataGenerator()->create_user();
 391          $this->setUser($user1);
 392  
 393          \core_message\api::add_contact($user1->id, $user3->id);
 394          \core_message\api::add_contact($user1->id, $user4->id);
 395          \core_message\api::add_contact($user1->id, $user5->id);
 396          \core_message\api::add_contact($user1->id, $user6->id);
 397  
 398          // Removing a non-contact.
 399          $return = core_message_external::delete_contacts(array($user2->id));
 400          $this->assertNull($return);
 401  
 402          // Removing one contact.
 403          $return = core_message_external::delete_contacts(array($user3->id));
 404          $this->assertNull($return);
 405  
 406          // Removing multiple contacts.
 407          $return = core_message_external::delete_contacts(array($user4->id, $user5->id));
 408          $this->assertNull($return);
 409  
 410          // Removing contact from unexisting user.
 411          $return = core_message_external::delete_contacts(array(99999));
 412          $this->assertNull($return);
 413  
 414          // Removing mixed valid and invalid data.
 415          $return = core_message_external::delete_contacts(array($user6->id, 99999));
 416          $this->assertNull($return);
 417  
 418          // Try to delete a contact of another user contact list, should throw an exception.
 419          // All assertions must be added before this point.
 420          $this->expectException('required_capability_exception');
 421          core_message_external::delete_contacts(array($user2->id), $user3->id);
 422      }
 423  
 424      /**
 425       * Test getting contact requests.
 426       */
 427      public function test_get_contact_requests() {
 428          global $PAGE;
 429  
 430          $this->resetAfterTest();
 431  
 432          $user1 = self::getDataGenerator()->create_user();
 433          $user2 = self::getDataGenerator()->create_user();
 434          $user3 = self::getDataGenerator()->create_user();
 435  
 436          $this->setUser($user1);
 437  
 438          // Block one user, their request should not show up.
 439          \core_message\api::block_user($user1->id, $user3->id);
 440  
 441          \core_message\api::create_contact_request($user2->id, $user1->id);
 442          \core_message\api::create_contact_request($user3->id, $user1->id);
 443  
 444          $requests = core_message_external::get_contact_requests($user1->id);
 445          $requests = \external_api::clean_returnvalue(core_message_external::get_contact_requests_returns(), $requests);
 446  
 447          $this->assertCount(1, $requests);
 448  
 449          $request = reset($requests);
 450          $userpicture = new \user_picture($user2);
 451          $profileimageurl = $userpicture->get_url($PAGE)->out(false);
 452  
 453          $this->assertEquals($user2->id, $request['id']);
 454          $this->assertEquals(fullname($user2), $request['fullname']);
 455          $this->assertArrayHasKey('profileimageurl', $request);
 456          $this->assertArrayHasKey('profileimageurlsmall', $request);
 457          $this->assertArrayHasKey('isonline', $request);
 458          $this->assertArrayHasKey('showonlinestatus', $request);
 459          $this->assertArrayHasKey('isblocked', $request);
 460          $this->assertArrayHasKey('iscontact', $request);
 461      }
 462  
 463      /**
 464       * Test the get_contact_requests() function when the user has blocked the sender of the request.
 465       */
 466      public function test_get_contact_requests_blocked_sender() {
 467          $this->resetAfterTest();
 468          $user1 = self::getDataGenerator()->create_user();
 469          $user2 = self::getDataGenerator()->create_user();
 470  
 471          // User1 blocks User2.
 472          \core_message\api::block_user($user1->id, $user2->id);
 473  
 474          // User2 tries to add User1 as a contact.
 475          \core_message\api::create_contact_request($user2->id, $user1->id);
 476  
 477          // Verify we don't see the contact request from the blocked user User2 in the requests for User1.
 478          $this->setUser($user1);
 479          $requests = core_message_external::get_contact_requests($user1->id);
 480          $requests = \external_api::clean_returnvalue(core_message_external::get_contact_requests_returns(), $requests);
 481  
 482          $this->assertCount(0, $requests);
 483      }
 484  
 485      /**
 486       * Test getting contact requests when there are none.
 487       */
 488      public function test_get_contact_requests_no_requests() {
 489          $this->resetAfterTest();
 490  
 491          $user1 = self::getDataGenerator()->create_user();
 492  
 493          $this->setUser($user1);
 494  
 495          $requests = core_message_external::get_contact_requests($user1->id);
 496          $requests = \external_api::clean_returnvalue(core_message_external::get_contact_requests_returns(), $requests);
 497  
 498          $this->assertEmpty($requests);
 499      }
 500  
 501      /**
 502       * Test getting contact requests with limits.
 503       */
 504      public function test_get_contact_requests_with_limits() {
 505          $this->resetAfterTest();
 506  
 507          $user1 = self::getDataGenerator()->create_user();
 508          $user2 = self::getDataGenerator()->create_user();
 509          $user3 = self::getDataGenerator()->create_user();
 510  
 511          $this->setUser($user1);
 512  
 513          \core_message\api::create_contact_request($user2->id, $user1->id);
 514          \core_message\api::create_contact_request($user3->id, $user1->id);
 515  
 516          $requests = core_message_external::get_contact_requests($user1->id, 0, 1);
 517          $requests = \external_api::clean_returnvalue(core_message_external::get_contact_requests_returns(), $requests);
 518  
 519          $this->assertCount(1, $requests);
 520      }
 521  
 522      /**
 523       * Test getting contact requests with messaging disabled.
 524       */
 525      public function test_get_contact_requests_messaging_disabled() {
 526          global $CFG;
 527  
 528          $this->resetAfterTest();
 529  
 530          // Create some skeleton data just so we can call the WS.
 531          $user1 = self::getDataGenerator()->create_user();
 532  
 533          $this->setUser($user1);
 534  
 535          // Disable messaging.
 536          $CFG->messaging = 0;
 537  
 538          // Ensure an exception is thrown.
 539          $this->expectException('moodle_exception');
 540          core_message_external::get_contact_requests($user1->id);
 541      }
 542  
 543      /**
 544       * Test getting contact requests with no permission.
 545       */
 546      public function test_get_contact_requests_no_permission() {
 547          $this->resetAfterTest();
 548  
 549          // Create some skeleton data just so we can call the WS.
 550          $user1 = self::getDataGenerator()->create_user();
 551          $user2 = self::getDataGenerator()->create_user();
 552          $user3 = self::getDataGenerator()->create_user();
 553  
 554          $this->setUser($user3);
 555  
 556          // Ensure an exception is thrown.
 557          $this->expectException('required_capability_exception');
 558          core_message_external::create_contact_request($user1->id, $user2->id);
 559      }
 560  
 561      /**
 562       * Test getting the number of received contact requests.
 563       */
 564      public function test_get_received_contact_requests_count() {
 565          $this->resetAfterTest();
 566  
 567          $user1 = self::getDataGenerator()->create_user();
 568          $user2 = self::getDataGenerator()->create_user();
 569          $user3 = self::getDataGenerator()->create_user();
 570          $user4 = self::getDataGenerator()->create_user();
 571  
 572          $this->setUser($user1);
 573  
 574          $contactrequestnumber = core_message_external::get_received_contact_requests_count($user1->id);
 575          $contactrequestnumber = \external_api::clean_returnvalue(
 576              core_message_external::get_received_contact_requests_count_returns(), $contactrequestnumber);
 577          $this->assertEquals(0, $contactrequestnumber);
 578  
 579          \core_message\api::create_contact_request($user2->id, $user1->id);
 580  
 581          $contactrequestnumber = core_message_external::get_received_contact_requests_count($user1->id);
 582          $contactrequestnumber = \external_api::clean_returnvalue(
 583              core_message_external::get_received_contact_requests_count_returns(), $contactrequestnumber);
 584          $this->assertEquals(1, $contactrequestnumber);
 585  
 586          \core_message\api::create_contact_request($user3->id, $user1->id);
 587  
 588          $contactrequestnumber = core_message_external::get_received_contact_requests_count($user1->id);
 589          $contactrequestnumber = \external_api::clean_returnvalue(
 590              core_message_external::get_received_contact_requests_count_returns(), $contactrequestnumber);
 591          $this->assertEquals(2, $contactrequestnumber);
 592  
 593          \core_message\api::create_contact_request($user1->id, $user4->id);
 594  
 595          // Web service should ignore sent requests.
 596          $contactrequestnumber = core_message_external::get_received_contact_requests_count($user1->id);
 597          $contactrequestnumber = \external_api::clean_returnvalue(
 598              core_message_external::get_received_contact_requests_count_returns(), $contactrequestnumber);
 599          $this->assertEquals(2, $contactrequestnumber);
 600      }
 601  
 602      /**
 603       * Test the get_received_contact_requests_count() function when the user has blocked the sender of the request.
 604       */
 605      public function test_get_received_contact_requests_count_blocked_sender() {
 606          $this->resetAfterTest();
 607          $user1 = self::getDataGenerator()->create_user();
 608          $user2 = self::getDataGenerator()->create_user();
 609  
 610          // User1 blocks User2.
 611          \core_message\api::block_user($user1->id, $user2->id);
 612  
 613          // User2 tries to add User1 as a contact.
 614          \core_message\api::create_contact_request($user2->id, $user1->id);
 615  
 616          // Verify we don't see the contact request from the blocked user User2 in the count for User1.
 617          $this->setUser($user1);
 618          $contactrequestnumber = core_message_external::get_received_contact_requests_count($user1->id);
 619          $contactrequestnumber = \external_api::clean_returnvalue(
 620              core_message_external::get_received_contact_requests_count_returns(), $contactrequestnumber);
 621          $this->assertEquals(0, $contactrequestnumber);
 622      }
 623  
 624      /**
 625       * Test getting the number of received contact requests with no permissions.
 626       */
 627      public function test_get_received_contact_requests_count_no_permission() {
 628          $this->resetAfterTest();
 629  
 630          // Create some skeleton data just so we can call the WS.
 631          $user1 = self::getDataGenerator()->create_user();
 632          $user2 = self::getDataGenerator()->create_user();
 633  
 634          $this->setUser($user2);
 635  
 636          // Ensure an exception is thrown.
 637          $this->expectException('required_capability_exception');
 638          core_message_external::get_received_contact_requests_count($user1->id);
 639      }
 640  
 641      /**
 642       * Test getting the number of received contact requests with messaging disabled.
 643       */
 644      public function test_get_received_contact_requests_count_messaging_disabled() {
 645          global $CFG;
 646  
 647          $this->resetAfterTest();
 648  
 649          // Create some skeleton data just so we can call the WS.
 650          $user1 = self::getDataGenerator()->create_user();
 651  
 652          $this->setUser($user1);
 653  
 654          // Disable messaging.
 655          $CFG->messaging = 0;
 656  
 657          // Ensure an exception is thrown.
 658          $this->expectException('moodle_exception');
 659          core_message_external::get_received_contact_requests_count($user1->id);
 660      }
 661  
 662      /**
 663       * Test creating a contact request.
 664       */
 665      public function test_create_contact_request() {
 666          global $CFG, $DB;
 667  
 668          $this->resetAfterTest();
 669  
 670          $user1 = self::getDataGenerator()->create_user();
 671          $user2 = self::getDataGenerator()->create_user();
 672  
 673          $this->setUser($user1);
 674  
 675          // Allow users to message anyone site-wide.
 676          $CFG->messagingallusers = 1;
 677  
 678          $return = core_message_external::create_contact_request($user1->id, $user2->id);
 679          $return = \external_api::clean_returnvalue(core_message_external::create_contact_request_returns(), $return);
 680          $this->assertEquals([], $return['warnings']);
 681  
 682          $request = $DB->get_records('message_contact_requests');
 683  
 684          $this->assertCount(1, $request);
 685  
 686          $request = reset($request);
 687  
 688          $this->assertEquals($request->id, $return['request']['id']);
 689          $this->assertEquals($request->userid, $return['request']['userid']);
 690          $this->assertEquals($request->requesteduserid, $return['request']['requesteduserid']);
 691          $this->assertEquals($request->timecreated, $return['request']['timecreated']);
 692      }
 693  
 694      /**
 695       * Test creating a contact request when not allowed.
 696       */
 697      public function test_create_contact_request_not_allowed() {
 698          global $CFG;
 699  
 700          $this->resetAfterTest();
 701  
 702          $user1 = self::getDataGenerator()->create_user();
 703          $user2 = self::getDataGenerator()->create_user();
 704  
 705          $this->setUser($user1);
 706  
 707          $CFG->messagingallusers = 0;
 708  
 709          $return = core_message_external::create_contact_request($user1->id, $user2->id);
 710          $return = \external_api::clean_returnvalue(core_message_external::create_contact_request_returns(), $return);
 711  
 712          $warning = reset($return['warnings']);
 713  
 714          $this->assertEquals('user', $warning['item']);
 715          $this->assertEquals($user2->id, $warning['itemid']);
 716          $this->assertEquals('cannotcreatecontactrequest', $warning['warningcode']);
 717          $this->assertEquals('You are unable to create a contact request for this user', $warning['message']);
 718      }
 719  
 720      /**
 721       * Test creating a contact request with messaging disabled.
 722       */
 723      public function test_create_contact_request_messaging_disabled() {
 724          global $CFG;
 725  
 726          $this->resetAfterTest();
 727  
 728          // Create some skeleton data just so we can call the WS.
 729          $user1 = self::getDataGenerator()->create_user();
 730          $user2 = self::getDataGenerator()->create_user();
 731  
 732          $this->setUser($user1);
 733  
 734          // Disable messaging.
 735          $CFG->messaging = 0;
 736  
 737          // Ensure an exception is thrown.
 738          $this->expectException('moodle_exception');
 739          core_message_external::create_contact_request($user1->id, $user2->id);
 740      }
 741  
 742      /**
 743       * Test creating a contact request with no permission.
 744       */
 745      public function test_create_contact_request_no_permission() {
 746          $this->resetAfterTest();
 747  
 748          // Create some skeleton data just so we can call the WS.
 749          $user1 = self::getDataGenerator()->create_user();
 750          $user2 = self::getDataGenerator()->create_user();
 751          $user3 = self::getDataGenerator()->create_user();
 752  
 753          $this->setUser($user3);
 754  
 755          // Ensure an exception is thrown.
 756          $this->expectException('required_capability_exception');
 757          core_message_external::create_contact_request($user1->id, $user2->id);
 758      }
 759  
 760      /**
 761       * Test confirming a contact request.
 762       */
 763      public function test_confirm_contact_request() {
 764          global $DB;
 765  
 766          $this->resetAfterTest();
 767  
 768          $user1 = self::getDataGenerator()->create_user();
 769          $user2 = self::getDataGenerator()->create_user();
 770  
 771          $this->setUser($user1);
 772  
 773          \core_message\api::create_contact_request($user1->id, $user2->id);
 774  
 775          $this->setUser($user2);
 776  
 777          $return = core_message_external::confirm_contact_request($user1->id, $user2->id);
 778          $return = \external_api::clean_returnvalue(core_message_external::confirm_contact_request_returns(), $return);
 779          $this->assertEquals(array(), $return);
 780  
 781          $this->assertEquals(0, $DB->count_records('message_contact_requests'));
 782  
 783          $contact = $DB->get_records('message_contacts');
 784  
 785          $this->assertCount(1, $contact);
 786  
 787          $contact = reset($contact);
 788  
 789          $this->assertEquals($user1->id, $contact->userid);
 790          $this->assertEquals($user2->id, $contact->contactid);
 791      }
 792  
 793      /**
 794       * Test confirming a contact request with messaging disabled.
 795       */
 796      public function test_confirm_contact_request_messaging_disabled() {
 797          global $CFG;
 798  
 799          $this->resetAfterTest();
 800  
 801          // Create some skeleton data just so we can call the WS.
 802          $user1 = self::getDataGenerator()->create_user();
 803          $user2 = self::getDataGenerator()->create_user();
 804  
 805          $this->setUser($user1);
 806  
 807          // Disable messaging.
 808          $CFG->messaging = 0;
 809  
 810          // Ensure an exception is thrown.
 811          $this->expectException('moodle_exception');
 812          core_message_external::confirm_contact_request($user1->id, $user2->id);
 813      }
 814  
 815      /**
 816       * Test confirming a contact request with no permission.
 817       */
 818      public function test_confirm_contact_request_no_permission() {
 819          $this->resetAfterTest();
 820  
 821          // Create some skeleton data just so we can call the WS.
 822          $user1 = self::getDataGenerator()->create_user();
 823          $user2 = self::getDataGenerator()->create_user();
 824          $user3 = self::getDataGenerator()->create_user();
 825  
 826          $this->setUser($user3);
 827  
 828          // Ensure an exception is thrown.
 829          $this->expectException('required_capability_exception');
 830          core_message_external::confirm_contact_request($user1->id, $user2->id);
 831      }
 832  
 833      /**
 834       * Test declining a contact request.
 835       */
 836      public function test_decline_contact_request() {
 837          global $DB;
 838  
 839          $this->resetAfterTest();
 840  
 841          $user1 = self::getDataGenerator()->create_user();
 842          $user2 = self::getDataGenerator()->create_user();
 843  
 844          $this->setUser($user1);
 845  
 846          \core_message\api::create_contact_request($user1->id, $user2->id);
 847  
 848          $this->setUser($user2);
 849  
 850          $return = core_message_external::decline_contact_request($user1->id, $user2->id);
 851          $return = \external_api::clean_returnvalue(core_message_external::decline_contact_request_returns(), $return);
 852          $this->assertEquals(array(), $return);
 853  
 854          $this->assertEquals(0, $DB->count_records('message_contact_requests'));
 855          $this->assertEquals(0, $DB->count_records('message_contacts'));
 856      }
 857  
 858      /**
 859       * Test declining a contact request with messaging disabled.
 860       */
 861      public function test_decline_contact_request_messaging_disabled() {
 862          global $CFG;
 863  
 864          $this->resetAfterTest();
 865  
 866          // Create some skeleton data just so we can call the WS.
 867          $user1 = self::getDataGenerator()->create_user();
 868          $user2 = self::getDataGenerator()->create_user();
 869  
 870          $this->setUser($user1);
 871  
 872          // Disable messaging.
 873          $CFG->messaging = 0;
 874  
 875          // Ensure an exception is thrown.
 876          $this->expectException('moodle_exception');
 877          core_message_external::decline_contact_request($user1->id, $user2->id);
 878      }
 879  
 880      /**
 881       * Test declining a contact request with no permission.
 882       */
 883      public function test_decline_contact_request_no_permission() {
 884          $this->resetAfterTest();
 885  
 886          // Create some skeleton data just so we can call the WS.
 887          $user1 = self::getDataGenerator()->create_user();
 888          $user2 = self::getDataGenerator()->create_user();
 889          $user3 = self::getDataGenerator()->create_user();
 890  
 891          $this->setUser($user3);
 892  
 893          // Ensure an exception is thrown.
 894          $this->expectException('required_capability_exception');
 895          core_message_external::decline_contact_request($user1->id, $user2->id);
 896      }
 897  
 898      /**
 899       * Test muting conversations.
 900       */
 901      public function test_mute_conversations() {
 902          global $DB;
 903  
 904          $this->resetAfterTest(true);
 905  
 906          $user1 = self::getDataGenerator()->create_user();
 907          $user2 = self::getDataGenerator()->create_user();
 908  
 909          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
 910              [$user1->id, $user2->id]);
 911  
 912          $this->setUser($user1);
 913  
 914          // Muting a conversation.
 915          $return = core_message_external::mute_conversations($user1->id, [$conversation->id]);
 916          $return = \external_api::clean_returnvalue(core_message_external::mute_conversations_returns(), $return);
 917          $this->assertEquals(array(), $return);
 918  
 919          // Get list of muted conversations.
 920          $mca = $DB->get_record('message_conversation_actions', []);
 921  
 922          $this->assertEquals($user1->id, $mca->userid);
 923          $this->assertEquals($conversation->id, $mca->conversationid);
 924          $this->assertEquals(\core_message\api::CONVERSATION_ACTION_MUTED, $mca->action);
 925  
 926          // Muting a conversation that is already muted.
 927          $return = core_message_external::mute_conversations($user1->id, [$conversation->id]);
 928          $return = \external_api::clean_returnvalue(core_message_external::mute_conversations_returns(), $return);
 929          $this->assertEquals(array(), $return);
 930  
 931          $this->assertEquals(1, $DB->count_records('message_conversation_actions'));
 932      }
 933  
 934      /**
 935       * Test muting a conversation with messaging disabled.
 936       */
 937      public function test_mute_conversations_messaging_disabled() {
 938          global $CFG;
 939  
 940          $this->resetAfterTest();
 941  
 942          // Create some skeleton data just so we can call the WS.
 943          $user1 = self::getDataGenerator()->create_user();
 944          $user2 = self::getDataGenerator()->create_user();
 945  
 946          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
 947              [$user1->id, $user2->id]);
 948  
 949          $this->setUser($user1);
 950  
 951          // Disable messaging.
 952          $CFG->messaging = 0;
 953  
 954          // Ensure an exception is thrown.
 955          $this->expectException('moodle_exception');
 956          core_message_external::mute_conversations($user1->id, [$conversation->id]);
 957      }
 958  
 959      /**
 960       * Test muting a conversation with no permission.
 961       */
 962      public function test_mute_conversations_no_permission() {
 963          $this->resetAfterTest();
 964  
 965          // Create some skeleton data just so we can call the WS.
 966          $user1 = self::getDataGenerator()->create_user();
 967          $user2 = self::getDataGenerator()->create_user();
 968          $user3 = self::getDataGenerator()->create_user();
 969  
 970          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
 971              [$user1->id, $user2->id]);
 972  
 973          $this->setUser($user3);
 974  
 975          // Ensure an exception is thrown.
 976          $this->expectException('required_capability_exception');
 977          core_message_external::mute_conversations($user1->id, [$conversation->id]);
 978      }
 979  
 980      /**
 981       * Test unmuting conversations.
 982       */
 983      public function test_unmute_conversations() {
 984          global $DB;
 985  
 986          $this->resetAfterTest(true);
 987  
 988          $user1 = self::getDataGenerator()->create_user();
 989          $user2 = self::getDataGenerator()->create_user();
 990  
 991          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
 992              [$user1->id, $user2->id]);
 993  
 994          $this->setUser($user1);
 995  
 996          // Mute the conversation.
 997          \core_message\api::mute_conversation($user1->id, $conversation->id);
 998  
 999          // Unmuting a conversation.
1000          $return = core_message_external::unmute_conversations($user1->id, [$conversation->id]);
1001          $return = \external_api::clean_returnvalue(core_message_external::unmute_conversations_returns(), $return);
1002          $this->assertEquals(array(), $return);
1003  
1004          $this->assertEquals(0, $DB->count_records('message_conversation_actions'));
1005  
1006          // Unmuting a conversation which is already unmuted.
1007          $return = core_message_external::unmute_conversations($user1->id, [$conversation->id]);
1008          $return = \external_api::clean_returnvalue(core_message_external::unmute_conversations_returns(), $return);
1009          $this->assertEquals(array(), $return);
1010  
1011          $this->assertEquals(0, $DB->count_records('message_conversation_actions'));
1012      }
1013  
1014      /**
1015       * Test unmuting a conversation with messaging disabled.
1016       */
1017      public function test_unmute_conversation_messaging_disabled() {
1018          global $CFG;
1019  
1020          $this->resetAfterTest();
1021  
1022          // Create some skeleton data just so we can call the WS.
1023          $user1 = self::getDataGenerator()->create_user();
1024          $user2 = self::getDataGenerator()->create_user();
1025  
1026          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
1027              [$user1->id, $user2->id]);
1028  
1029          $this->setUser($user1);
1030  
1031          // Disable messaging.
1032          $CFG->messaging = 0;
1033  
1034          // Ensure an exception is thrown.
1035          $this->expectException('moodle_exception');
1036          core_message_external::unmute_conversations($user1->id, [$user2->id]);
1037      }
1038  
1039      /**
1040       * Test unmuting a conversation with no permission.
1041       */
1042      public function test_unmute_conversation_no_permission() {
1043          $this->resetAfterTest();
1044  
1045          // Create some skeleton data just so we can call the WS.
1046          $user1 = self::getDataGenerator()->create_user();
1047          $user2 = self::getDataGenerator()->create_user();
1048          $user3 = self::getDataGenerator()->create_user();
1049  
1050          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
1051              [$user1->id, $user2->id]);
1052  
1053          $this->setUser($user3);
1054  
1055          // Ensure an exception is thrown.
1056          $this->expectException('required_capability_exception');
1057          core_message_external::unmute_conversations($user1->id, [$conversation->id]);
1058      }
1059  
1060      /**
1061       * Test blocking a user.
1062       */
1063      public function test_block_user() {
1064          global $DB;
1065  
1066          $this->resetAfterTest(true);
1067  
1068          $user1 = self::getDataGenerator()->create_user();
1069          $user2 = self::getDataGenerator()->create_user();
1070  
1071          $this->setUser($user1);
1072  
1073          // Blocking a user.
1074          $return = core_message_external::block_user($user1->id, $user2->id);
1075          $return = \external_api::clean_returnvalue(core_message_external::block_user_returns(), $return);
1076          $this->assertEquals(array(), $return);
1077  
1078          // Get list of blocked users.
1079          $record = $DB->get_record('message_users_blocked', []);
1080  
1081          $this->assertEquals($user1->id, $record->userid);
1082          $this->assertEquals($user2->id, $record->blockeduserid);
1083  
1084          // Blocking a user who is already blocked.
1085          $return = core_message_external::block_user($user1->id, $user2->id);
1086          $return = \external_api::clean_returnvalue(core_message_external::block_user_returns(), $return);
1087          $this->assertEquals(array(), $return);
1088  
1089          $this->assertEquals(1, $DB->count_records('message_users_blocked'));
1090      }
1091  
1092      /**
1093       * Test blocking a user.
1094       */
1095      public function test_block_user_when_ineffective() {
1096          global $DB;
1097  
1098          $this->resetAfterTest(true);
1099  
1100          $user1 = self::getDataGenerator()->create_user();
1101          $user2 = self::getDataGenerator()->create_user();
1102  
1103          $this->setUser($user1);
1104  
1105          $authenticateduser = $DB->get_record('role', array('shortname' => 'user'));
1106          assign_capability('moodle/site:messageanyuser', CAP_ALLOW, $authenticateduser->id, \context_system::instance(), true);
1107  
1108          // Blocking a user.
1109          $return = core_message_external::block_user($user1->id, $user2->id);
1110          $return = \external_api::clean_returnvalue(core_message_external::block_user_returns(), $return);
1111          $this->assertEquals(array(), $return);
1112  
1113          $this->assertEquals(0, $DB->count_records('message_users_blocked'));
1114      }
1115  
1116      /**
1117       * Test blocking a user with messaging disabled.
1118       */
1119      public function test_block_user_messaging_disabled() {
1120          global $CFG;
1121  
1122          $this->resetAfterTest();
1123  
1124          // Create some skeleton data just so we can call the WS.
1125          $user1 = self::getDataGenerator()->create_user();
1126          $user2 = self::getDataGenerator()->create_user();
1127  
1128          $this->setUser($user1);
1129  
1130          // Disable messaging.
1131          $CFG->messaging = 0;
1132  
1133          // Ensure an exception is thrown.
1134          $this->expectException('moodle_exception');
1135          core_message_external::block_user($user1->id, $user2->id);
1136      }
1137  
1138      /**
1139       * Test blocking a user with no permission.
1140       */
1141      public function test_block_user_no_permission() {
1142          $this->resetAfterTest();
1143  
1144          // Create some skeleton data just so we can call the WS.
1145          $user1 = self::getDataGenerator()->create_user();
1146          $user2 = self::getDataGenerator()->create_user();
1147          $user3 = self::getDataGenerator()->create_user();
1148  
1149          $this->setUser($user3);
1150  
1151          // Ensure an exception is thrown.
1152          $this->expectException('required_capability_exception');
1153          core_message_external::block_user($user1->id, $user2->id);
1154      }
1155  
1156      /**
1157       * Test unblocking a user.
1158       */
1159      public function test_unblock_user() {
1160          global $DB;
1161  
1162          $this->resetAfterTest(true);
1163  
1164          $user1 = self::getDataGenerator()->create_user();
1165          $user2 = self::getDataGenerator()->create_user();
1166  
1167          $this->setUser($user1);
1168  
1169          // Block the user.
1170          \core_message\api::block_user($user1->id, $user2->id);
1171  
1172          // Unblocking a user.
1173          $return = core_message_external::unblock_user($user1->id, $user2->id);
1174          $return = \external_api::clean_returnvalue(core_message_external::unblock_user_returns(), $return);
1175          $this->assertEquals(array(), $return);
1176  
1177          $this->assertEquals(0, $DB->count_records('message_users_blocked'));
1178  
1179          // Unblocking a user who is already unblocked.
1180          $return = core_message_external::unblock_user($user1->id, $user2->id);
1181          $return = \external_api::clean_returnvalue(core_message_external::unblock_user_returns(), $return);
1182          $this->assertEquals(array(), $return);
1183  
1184          $this->assertEquals(0, $DB->count_records('message_users_blocked'));
1185      }
1186  
1187      /**
1188       * Test unblocking a user with messaging disabled.
1189       */
1190      public function test_unblock_user_messaging_disabled() {
1191          global $CFG;
1192  
1193          $this->resetAfterTest();
1194  
1195          // Create some skeleton data just so we can call the WS.
1196          $user1 = self::getDataGenerator()->create_user();
1197          $user2 = self::getDataGenerator()->create_user();
1198  
1199          $this->setUser($user1);
1200  
1201          // Disable messaging.
1202          $CFG->messaging = 0;
1203  
1204          // Ensure an exception is thrown.
1205          $this->expectException('moodle_exception');
1206          core_message_external::unblock_user($user1->id, $user2->id);
1207      }
1208  
1209      /**
1210       * Test unblocking a user with no permission.
1211       */
1212      public function test_unblock_user_no_permission() {
1213          $this->resetAfterTest();
1214  
1215          // Create some skeleton data just so we can call the WS.
1216          $user1 = self::getDataGenerator()->create_user();
1217          $user2 = self::getDataGenerator()->create_user();
1218          $user3 = self::getDataGenerator()->create_user();
1219  
1220          $this->setUser($user3);
1221  
1222          // Ensure an exception is thrown.
1223          $this->expectException('required_capability_exception');
1224          core_message_external::unblock_user($user1->id, $user2->id);
1225      }
1226  
1227      /**
1228       * Test search_contacts.
1229       */
1230      public function test_search_contacts() {
1231          global $DB;
1232          $this->resetAfterTest(true);
1233  
1234          $course1 = $this->getDataGenerator()->create_course();
1235          $course2 = $this->getDataGenerator()->create_course();
1236  
1237          $user1 = new \stdClass();
1238          $user1->firstname = 'X';
1239          $user1->lastname = 'X';
1240          $user1 = $this->getDataGenerator()->create_user($user1);
1241          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
1242          $this->getDataGenerator()->enrol_user($user1->id, $course2->id);
1243  
1244          $user2 = new \stdClass();
1245          $user2->firstname = 'Eric';
1246          $user2->lastname = 'Cartman';
1247          $user2 = self::getDataGenerator()->create_user($user2);
1248          $user3 = new \stdClass();
1249          $user3->firstname = 'Stan';
1250          $user3->lastname = 'Marsh';
1251          $user3 = self::getDataGenerator()->create_user($user3);
1252          self::getDataGenerator()->enrol_user($user3->id, $course1->id);
1253          $user4 = new \stdClass();
1254          $user4->firstname = 'Kyle';
1255          $user4->lastname = 'Broflovski';
1256          $user4 = self::getDataGenerator()->create_user($user4);
1257          $user5 = new \stdClass();
1258          $user5->firstname = 'Kenny';
1259          $user5->lastname = 'McCormick';
1260          $user5 = self::getDataGenerator()->create_user($user5);
1261          self::getDataGenerator()->enrol_user($user5->id, $course2->id);
1262  
1263          $this->setUser($user1);
1264  
1265          $results = core_message_external::search_contacts('r');
1266          $results = \external_api::clean_returnvalue(core_message_external::search_contacts_returns(), $results);
1267          $this->assertCount(5, $results); // Users 2 through 5 + admin
1268  
1269          $results = core_message_external::search_contacts('r', true);
1270          $results = \external_api::clean_returnvalue(core_message_external::search_contacts_returns(), $results);
1271          $this->assertCount(2, $results);
1272  
1273          $results = core_message_external::search_contacts('Kyle', false);
1274          $results = \external_api::clean_returnvalue(core_message_external::search_contacts_returns(), $results);
1275          $this->assertCount(1, $results);
1276          $result = reset($results);
1277          $this->assertEquals($user4->id, $result['id']);
1278  
1279          $results = core_message_external::search_contacts('y', false);
1280          $results = \external_api::clean_returnvalue(core_message_external::search_contacts_returns(), $results);
1281          $this->assertCount(2, $results);
1282  
1283          $results = core_message_external::search_contacts('y', true);
1284          $results = \external_api::clean_returnvalue(core_message_external::search_contacts_returns(), $results);
1285          $this->assertCount(1, $results);
1286          $result = reset($results);
1287          $this->assertEquals($user5->id, $result['id']);
1288  
1289          // Empty query, will throw an exception.
1290          $this->expectException(\moodle_exception::class);
1291          $results = core_message_external::search_contacts('');
1292      }
1293  
1294      /**
1295       * Test get_messages.
1296       */
1297      public function test_get_messages() {
1298          global $CFG, $DB, $PAGE;
1299          $this->resetAfterTest(true);
1300  
1301          $this->preventResetByRollback();
1302  
1303          $user1 = self::getDataGenerator()->create_user();
1304          $user2 = self::getDataGenerator()->create_user();
1305          $user3 = self::getDataGenerator()->create_user();
1306  
1307          $course = self::getDataGenerator()->create_course();
1308  
1309          // Send a message from one user to another.
1310          $im1 = message_post_message($user1, $user2, 'some random text 1', FORMAT_MOODLE);
1311          $im2 = message_post_message($user1, $user3, 'some random text 2', FORMAT_MOODLE);
1312          $im3 = message_post_message($user2, $user3, 'some random text 3', FORMAT_MOODLE);
1313          $im4 = message_post_message($user3, $user2, 'some random text 4', FORMAT_MOODLE);
1314          $im5 = message_post_message($user3, $user1, 'some random text 5', FORMAT_MOODLE);
1315          $im6 = message_post_message($user1, $user2, 'some random text 6', FORMAT_MOODLE);
1316  
1317          // Mark a message as read by user2.
1318          $message = $DB->get_record('messages', ['id' => $im6]);
1319          \core_message\api::mark_message_as_read($user2->id, $message);
1320  
1321          $this->setUser($user1);
1322          // Get unread conversations from user1 to user2.
1323          $messages = core_message_external::get_messages($user2->id, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1324          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1325          $this->assertCount(1, $messages['messages']);
1326          $this->assertEquals($im1, $messages['messages'][0]['id']);
1327  
1328          // Get read conversations from user1 to user2.
1329          $messages = core_message_external::get_messages($user2->id, $user1->id, 'conversations', MESSAGE_GET_READ, true, 0, 0);
1330          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1331          $this->assertCount(1, $messages['messages']);
1332          $this->assertEquals($im6, $messages['messages'][0]['id']);
1333  
1334          // Get both read and unread conversations from user1 to user2.
1335          $messages = core_message_external::get_messages($user2->id, $user1->id, 'conversations', MESSAGE_GET_READ_AND_UNREAD,
1336              true, 0, 0);
1337          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1338          $this->assertCount(2, $messages['messages']);
1339  
1340          // Delete an unread message.
1341          \core_message\api::delete_message($user1->id, $im1);
1342  
1343          $messages = core_message_external::get_messages($user2->id, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1344          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1345          $this->assertCount(0, $messages['messages']);
1346  
1347          $this->setUser($user2);
1348          // Get unread conversations from any user to user2.
1349          $messages = core_message_external::get_messages($user2->id, 0, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1350          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1351          $this->assertCount(2, $messages['messages']);
1352  
1353          // Conversations from user3 to user2.
1354          $messages = core_message_external::get_messages($user2->id, $user3->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1355          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1356          $this->assertCount(1, $messages['messages']);
1357  
1358          // Delete the message.
1359          \core_message\api::delete_message($user2->id, $im4);
1360  
1361          $messages = core_message_external::get_messages($user2->id, $user3->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1362          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1363          $this->assertCount(0, $messages['messages']);
1364  
1365          $this->setUser($user3);
1366          // Get unread notifications received by user3.
1367          $messages = core_message_external::get_messages($user3->id, 0, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1368          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1369          $this->assertCount(0, $messages['messages']);
1370  
1371          // Now, create some notifications...
1372          // We are creating fake notifications but based on real ones.
1373  
1374          // This one comes from a disabled plugin's provider and therefore is not sent.
1375          $eventdata = new \core\message\message();
1376          $eventdata->courseid          = $course->id;
1377          $eventdata->notification      = 1;
1378          $eventdata->modulename        = 'moodle';
1379          $eventdata->component         = 'enrol_paypal';
1380          $eventdata->name              = 'paypal_enrolment';
1381          $eventdata->userfrom          = get_admin();
1382          $eventdata->userto            = $user1;
1383          $eventdata->subject           = "Moodle: PayPal payment";
1384          $eventdata->fullmessage       = "Your PayPal payment is pending.";
1385          $eventdata->fullmessageformat = FORMAT_PLAIN;
1386          $eventdata->fullmessagehtml   = '';
1387          $eventdata->smallmessage      = '';
1388          message_send($eventdata);
1389          $this->assertDebuggingCalled('Attempt to send msg from a provider enrol_paypal/paypal_enrolment '.
1390              'that is inactive or not allowed for the user id='.$user1->id);
1391  
1392          // This one omits notification = 1.
1393          $message = new \core\message\message();
1394          $message->courseid          = $course->id;
1395          $message->component         = 'enrol_manual';
1396          $message->name              = 'expiry_notification';
1397          $message->userfrom          = $user2;
1398          $message->userto            = $user1;
1399          $message->subject           = 'Test: This is not a notification but otherwise is valid';
1400          $message->fullmessage       = 'Test: Full message';
1401          $message->fullmessageformat = FORMAT_MARKDOWN;
1402          $message->fullmessagehtml   = markdown_to_html($message->fullmessage);
1403          $message->smallmessage      = $message->subject;
1404          $message->contexturlname    = $course->fullname;
1405          $message->contexturl        = (string)new \moodle_url('/course/view.php', array('id' => $course->id));
1406          message_send($message);
1407  
1408          $message = new \core\message\message();
1409          $message->courseid          = $course->id;
1410          $message->notification      = 1;
1411          $message->component         = 'enrol_manual';
1412          $message->name              = 'expiry_notification';
1413          $message->userfrom          = $user2;
1414          $message->userto            = $user1;
1415          $message->subject           = 'Enrolment expired';
1416          $message->fullmessage       = 'Enrolment expired blah blah blah';
1417          $message->fullmessageformat = FORMAT_MARKDOWN;
1418          $message->fullmessagehtml   = markdown_to_html($message->fullmessage);
1419          $message->smallmessage      = $message->subject;
1420          $message->contexturlname    = $course->fullname;
1421          $message->contexturl        = (string)new \moodle_url('/course/view.php', array('id' => $course->id));
1422          message_send($message);
1423  
1424          $userfrom = \core_user::get_noreply_user();
1425          $userfrom->maildisplay = true;
1426          $eventdata = new \core\message\message();
1427          $eventdata->courseid          = $course->id;
1428          $eventdata->component         = 'moodle';
1429          $eventdata->name              = 'badgecreatornotice';
1430          $eventdata->userfrom          = $userfrom;
1431          $eventdata->userto            = $user1;
1432          $eventdata->notification      = 1;
1433          $eventdata->subject           = 'New badge';
1434          $eventdata->fullmessage       = format_text_email($eventdata->subject, FORMAT_HTML);
1435          $eventdata->fullmessageformat = FORMAT_PLAIN;
1436          $eventdata->fullmessagehtml   = $eventdata->subject;
1437          $eventdata->smallmessage      = $eventdata->subject;
1438          message_send($eventdata);
1439  
1440          // This event contains HTML in the subject field that will be removed by the WS (otherwise it will generate an exception).
1441          $eventdata = new \core\message\message();
1442          $eventdata->courseid         = $course->id;
1443          $eventdata->name             = 'submission';
1444          $eventdata->component        = 'mod_feedback';
1445          $eventdata->userfrom         = $user1;
1446          $eventdata->userto           = $user2;
1447          $eventdata->subject          = 'Feedback submitted <span>with html</span>';
1448          $eventdata->fullmessage      = 'Feedback submitted from an user';
1449          $eventdata->fullmessageformat = FORMAT_PLAIN;
1450          $eventdata->fullmessagehtml  = '<strong>Feedback submitted</strong>';
1451          $eventdata->smallmessage     = '';
1452          $eventdata->customdata         = ['datakey' => 'data'];
1453          message_send($eventdata);
1454  
1455          $this->setUser($user1);
1456          // Get unread notifications from any user to user1.
1457          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1458          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1459          $this->assertCount(3, $messages['messages']);
1460  
1461          // Get one unread notifications from any user to user1.
1462          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_UNREAD, true, 0, 1);
1463          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1464          $this->assertCount(1, $messages['messages']);
1465  
1466          // Get read notifications from any user to user1.
1467          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_READ, true, 0, 0);
1468          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1469          $this->assertCount(0, $messages['messages']);
1470  
1471          // Get unread both type of messages from any user to user1.
1472          $messages = core_message_external::get_messages($user1->id, 0, 'both', MESSAGE_GET_UNREAD, true, 0, 0);
1473          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1474          $this->assertCount(4, $messages['messages']);
1475  
1476          // Get unread notifications from no-reply-user to user1.
1477          $messages = core_message_external::get_messages($user1->id, $userfrom->id, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1478          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1479          $this->assertCount(1, $messages['messages']);
1480  
1481          // Get notifications send by user1 to any user.
1482          $messages = core_message_external::get_messages(0, $user1->id, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1483          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1484          $this->assertCount(1, $messages['messages']);
1485          // Check we receive custom data as a unserialisable json.
1486          $this->assertObjectHasAttribute('datakey', json_decode($messages['messages'][0]['customdata']));
1487          $this->assertEquals('mod_feedback', $messages['messages'][0]['component']);
1488          $this->assertEquals('submission', $messages['messages'][0]['eventtype']);
1489          $feedbackicon = clean_param($PAGE->get_renderer('core')->image_url('monologo', 'mod_feedback')->out(), PARAM_URL);
1490          $this->assertEquals($feedbackicon, $messages['messages'][0]['iconurl']);
1491  
1492          // Test warnings.
1493          $CFG->messaging = 0;
1494  
1495          $messages = core_message_external::get_messages(0, $user1->id, 'both', MESSAGE_GET_UNREAD, true, 0, 0);
1496          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1497          $this->assertCount(1, $messages['warnings']);
1498  
1499          // Test exceptions.
1500  
1501          // Messaging disabled.
1502          try {
1503              $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1504              $this->fail('Exception expected due messaging disabled.');
1505          } catch (\moodle_exception $e) {
1506              $this->assertEquals('disabled', $e->errorcode);
1507          }
1508  
1509          $CFG->messaging = 1;
1510  
1511          // Invalid users.
1512          try {
1513              $messages = core_message_external::get_messages(0, 0, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1514              $this->fail('Exception expected due invalid users.');
1515          } catch (\moodle_exception $e) {
1516              $this->assertEquals('accessdenied', $e->errorcode);
1517          }
1518  
1519          // Invalid user ids.
1520          try {
1521              $messages = core_message_external::get_messages(2500, 0, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1522              $this->fail('Exception expected due invalid users.');
1523          } catch (\moodle_exception $e) {
1524              $this->assertEquals('invaliduser', $e->errorcode);
1525          }
1526  
1527          // Invalid users (permissions).
1528          $this->setUser($user2);
1529          try {
1530              $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1531              $this->fail('Exception expected due invalid user.');
1532          } catch (\moodle_exception $e) {
1533              $this->assertEquals('accessdenied', $e->errorcode);
1534          }
1535  
1536      }
1537  
1538      /**
1539       * Test get_messages where we want all messages from a user, sent to any user.
1540       */
1541      public function test_get_messages_useridto_all() {
1542          $this->resetAfterTest(true);
1543  
1544          $user1 = self::getDataGenerator()->create_user();
1545          $user2 = self::getDataGenerator()->create_user();
1546          $user3 = self::getDataGenerator()->create_user();
1547  
1548          $this->setUser($user1);
1549  
1550          // Send a message from user 1 to two other users.
1551          $this->send_message($user1, $user2, 'some random text 1', 0, 1);
1552          $this->send_message($user1, $user3, 'some random text 2', 0, 2);
1553  
1554          // Get messages sent from user 1.
1555          $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, false, 0, 0);
1556          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1557  
1558          // Confirm the data is correct.
1559          $messages = $messages['messages'];
1560          $this->assertCount(2, $messages);
1561  
1562          $message1 = array_shift($messages);
1563          $message2 = array_shift($messages);
1564  
1565          $this->assertEquals($user1->id, $message1['useridfrom']);
1566          $this->assertEquals($user2->id, $message1['useridto']);
1567  
1568          $this->assertEquals($user1->id, $message2['useridfrom']);
1569          $this->assertEquals($user3->id, $message2['useridto']);
1570      }
1571  
1572      /**
1573       * Test get_messages where we want all messages to a user, sent by any user.
1574       */
1575      public function test_get_messages_useridfrom_all() {
1576          $this->resetAfterTest();
1577  
1578          $user1 = self::getDataGenerator()->create_user();
1579          $user2 = self::getDataGenerator()->create_user();
1580          $user3 = self::getDataGenerator()->create_user();
1581  
1582          $this->setUser($user1);
1583  
1584          // Send a message to user 1 from two other users.
1585          $this->send_message($user2, $user1, 'some random text 1', 0, 1);
1586          $this->send_message($user3, $user1, 'some random text 2', 0, 2);
1587  
1588          // Get messages sent to user 1.
1589          $messages = core_message_external::get_messages($user1->id, 0, 'conversations', MESSAGE_GET_UNREAD, false, 0, 0);
1590          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1591  
1592          // Confirm the data is correct.
1593          $messages = $messages['messages'];
1594          $this->assertCount(2, $messages);
1595  
1596          $message1 = array_shift($messages);
1597          $message2 = array_shift($messages);
1598  
1599          $this->assertEquals($user2->id, $message1['useridfrom']);
1600          $this->assertEquals($user1->id, $message1['useridto']);
1601  
1602          $this->assertEquals($user3->id, $message2['useridfrom']);
1603          $this->assertEquals($user1->id, $message2['useridto']);
1604      }
1605  
1606      /**
1607       * Test get_blocked_users.
1608       */
1609      public function test_get_blocked_users() {
1610          $this->resetAfterTest(true);
1611  
1612          $user1 = self::getDataGenerator()->create_user();
1613          $userstranger = self::getDataGenerator()->create_user();
1614          $useroffline1 = self::getDataGenerator()->create_user();
1615          $useroffline2 = self::getDataGenerator()->create_user();
1616          $userblocked = self::getDataGenerator()->create_user();
1617  
1618          // Login as user1.
1619          $this->setUser($user1);
1620  
1621          \core_message\api::add_contact($user1->id, $useroffline1->id);
1622          \core_message\api::add_contact($user1->id, $useroffline2->id);
1623  
1624          // The userstranger sends a couple of messages to user1.
1625          $this->send_message($userstranger, $user1, 'Hello there!');
1626          $this->send_message($userstranger, $user1, 'How you goin?');
1627  
1628          // The userblocked sends a message to user1.
1629          // Note that this user is not blocked at this point.
1630          $this->send_message($userblocked, $user1, 'Here, have some spam.');
1631  
1632          // Retrieve the list of blocked users.
1633          $this->setUser($user1);
1634          $blockedusers = core_message_external::get_blocked_users($user1->id);
1635          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1636          $this->assertCount(0, $blockedusers['users']);
1637  
1638          // Block the $userblocked and retrieve again the list.
1639          \core_message\api::block_user($user1->id, $userblocked->id);
1640          $blockedusers = core_message_external::get_blocked_users($user1->id);
1641          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1642          $this->assertCount(1, $blockedusers['users']);
1643  
1644          // Remove the $userblocked and check that the list now is empty.
1645          delete_user($userblocked);
1646          $blockedusers = core_message_external::get_blocked_users($user1->id);
1647          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1648          $this->assertCount(0, $blockedusers['users']);
1649      }
1650  
1651      /**
1652       * Test mark_message_read.
1653       */
1654      public function test_mark_message_read() {
1655          $this->resetAfterTest(true);
1656  
1657          $user1 = self::getDataGenerator()->create_user();
1658          $user2 = self::getDataGenerator()->create_user();
1659          $user3 = self::getDataGenerator()->create_user();
1660  
1661          // Login as user1.
1662          $this->setUser($user1);
1663          \core_message\api::add_contact($user1->id, $user2->id);
1664          \core_message\api::add_contact($user1->id, $user3->id);
1665  
1666          // The user2 sends a couple of messages to user1.
1667          $this->send_message($user2, $user1, 'Hello there!');
1668          $this->send_message($user2, $user1, 'How you goin?');
1669          $this->send_message($user3, $user1, 'How you goin?');
1670          $this->send_message($user3, $user2, 'How you goin?');
1671  
1672          // Retrieve all messages sent by user2 (they are currently unread).
1673          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_UNREAD);
1674  
1675          $messageids = array();
1676          foreach ($lastmessages as $m) {
1677              $messageid = core_message_external::mark_message_read($m->id, time());
1678              $messageids[] = \external_api::clean_returnvalue(core_message_external::mark_message_read_returns(), $messageid);
1679          }
1680  
1681          // Retrieve all messages sent (they are currently read).
1682          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_READ);
1683          $this->assertCount(2, $lastmessages);
1684          $this->assertArrayHasKey($messageids[0]['messageid'], $lastmessages);
1685          $this->assertArrayHasKey($messageids[1]['messageid'], $lastmessages);
1686  
1687          // Retrieve all messages sent by any user (that are currently unread).
1688          $lastmessages = message_get_messages($user1->id, 0, 0, MESSAGE_GET_UNREAD);
1689          $this->assertCount(1, $lastmessages);
1690  
1691          // Invalid message ids.
1692          try {
1693              $messageid = core_message_external::mark_message_read(1337, time());
1694              $this->fail('Exception expected due invalid messageid.');
1695          } catch (\dml_missing_record_exception $e) {
1696              $this->assertEquals('invalidrecordunknown', $e->errorcode);
1697          }
1698  
1699          // A message to a different user.
1700          $lastmessages = message_get_messages($user2->id, $user3->id, 0, MESSAGE_GET_UNREAD);
1701          $messageid = array_pop($lastmessages)->id;
1702          try {
1703              $messageid = core_message_external::mark_message_read($messageid, time());
1704              $this->fail('Exception expected due invalid messageid.');
1705          } catch (\invalid_parameter_exception $e) {
1706              $this->assertEquals('invalidparameter', $e->errorcode);
1707          }
1708      }
1709  
1710      /**
1711       * Test mark_notification_read.
1712       */
1713      public function test_mark_notification_read() {
1714          $this->resetAfterTest(true);
1715  
1716          $user1 = self::getDataGenerator()->create_user();
1717          $user2 = self::getDataGenerator()->create_user();
1718          $user3 = self::getDataGenerator()->create_user();
1719  
1720          // Login as user1.
1721          $this->setUser($user1);
1722          \core_message\api::add_contact($user1->id, $user2->id);
1723          \core_message\api::add_contact($user1->id, $user3->id);
1724  
1725          // The user2 sends a couple of notifications to user1.
1726          $this->send_message($user2, $user1, 'Hello there!', 1);
1727          $this->send_message($user2, $user1, 'How you goin?', 1);
1728          $this->send_message($user3, $user1, 'How you goin?', 1);
1729          $this->send_message($user3, $user2, 'How you goin?', 1);
1730  
1731          // Retrieve all notifications sent by user2 (they are currently unread).
1732          $lastnotifications = message_get_messages($user1->id, $user2->id, 1, MESSAGE_GET_UNREAD);
1733  
1734          $notificationids = array();
1735          foreach ($lastnotifications as $n) {
1736              $notificationid = core_message_external::mark_notification_read($n->id, time());
1737              $notificationids[] = \external_api::clean_returnvalue(core_message_external::mark_notification_read_returns(),
1738                  $notificationid);
1739          }
1740  
1741          // Retrieve all notifications sent (they are currently read).
1742          $lastnotifications = message_get_messages($user1->id, $user2->id, 1, MESSAGE_GET_READ);
1743          $this->assertCount(2, $lastnotifications);
1744          $this->assertArrayHasKey($notificationids[1]['notificationid'], $lastnotifications);
1745          $this->assertArrayHasKey($notificationids[0]['notificationid'], $lastnotifications);
1746  
1747          // Retrieve all notifications sent by any user (that are currently unread).
1748          $lastnotifications = message_get_messages($user1->id, 0, 1, MESSAGE_GET_UNREAD);
1749          $this->assertCount(1, $lastnotifications);
1750  
1751          // Invalid notification ids.
1752          try {
1753              $notificationid = core_message_external::mark_notification_read(1337, time());
1754              $this->fail('Exception expected due invalid notificationid.');
1755          } catch (\dml_missing_record_exception $e) {
1756              $this->assertEquals('invalidrecord', $e->errorcode);
1757          }
1758  
1759          // A notification to a different user.
1760          $lastnotifications = message_get_messages($user2->id, $user3->id, 1, MESSAGE_GET_UNREAD);
1761          $notificationid = array_pop($lastnotifications)->id;
1762          try {
1763              $notificationid = core_message_external::mark_notification_read($notificationid, time());
1764              $this->fail('Exception expected due invalid notificationid.');
1765          } catch (\invalid_parameter_exception $e) {
1766              $this->assertEquals('invalidparameter', $e->errorcode);
1767          }
1768      }
1769  
1770      /**
1771       * Test delete_message.
1772       */
1773      public function test_delete_message() {
1774          global $DB;
1775          $this->resetAfterTest(true);
1776  
1777          $user1 = self::getDataGenerator()->create_user();
1778          $user2 = self::getDataGenerator()->create_user();
1779          $user3 = self::getDataGenerator()->create_user();
1780          $user4 = self::getDataGenerator()->create_user();
1781  
1782          // Login as user1.
1783          $this->setUser($user1);
1784          \core_message\api::add_contact($user1->id, $user2->id);
1785          \core_message\api::add_contact($user1->id, $user3->id);
1786  
1787          // User user1 does not interchange messages with user3.
1788          $m1to2 = message_post_message($user1, $user2, 'some random text 1', FORMAT_MOODLE);
1789          $m2to3 = message_post_message($user2, $user3, 'some random text 3', FORMAT_MOODLE);
1790          $m3to2 = message_post_message($user3, $user2, 'some random text 4', FORMAT_MOODLE);
1791          $m3to4 = message_post_message($user3, $user4, 'some random text 4', FORMAT_MOODLE);
1792  
1793          // Retrieve all messages sent by user2 (they are currently unread).
1794          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_UNREAD);
1795  
1796          // Delete a message not read, as a user from.
1797          $result = core_message_external::delete_message($m1to2, $user1->id, false);
1798          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1799          $this->assertTrue($result['status']);
1800          $this->assertCount(0, $result['warnings']);
1801          $mua = $DB->get_record('message_user_actions', array('messageid' => $m1to2, 'userid' => $user1->id));
1802          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua->action);
1803  
1804          // Try to delete the same message again.
1805          $result = core_message_external::delete_message($m1to2, $user1->id, false);
1806          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1807          $this->assertFalse($result['status']);
1808  
1809          // Try to delete a message that does not belong to me.
1810          try {
1811              $messageid = core_message_external::delete_message($m2to3, $user3->id, false);
1812              $this->fail('Exception expected due invalid messageid.');
1813          } catch (\moodle_exception $e) {
1814              $this->assertEquals('You do not have permission to delete this message', $e->errorcode);
1815          }
1816  
1817          $this->setUser($user3);
1818          // Delete a message not read, as a user to.
1819          $result = core_message_external::delete_message($m2to3, $user3->id, false);
1820          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1821          $this->assertTrue($result['status']);
1822          $this->assertCount(0, $result['warnings']);
1823          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m2to3, 'userid' => $user3->id,
1824              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1825  
1826          // Delete a message read.
1827          $message = $DB->get_record('messages', ['id' => $m3to2]);
1828          \core_message\api::mark_message_as_read($user3->id, $message, time());
1829          $result = core_message_external::delete_message($m3to2, $user3->id);
1830          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1831          $this->assertTrue($result['status']);
1832          $this->assertCount(0, $result['warnings']);
1833          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m3to2, 'userid' => $user3->id,
1834              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1835  
1836          // Invalid message ids.
1837          try {
1838              $result = core_message_external::delete_message(-1, $user1->id);
1839              $this->fail('Exception expected due invalid messageid.');
1840          } catch (\dml_missing_record_exception $e) {
1841              $this->assertEquals('invalidrecord', $e->errorcode);
1842          }
1843  
1844          // Invalid user.
1845          try {
1846              $result = core_message_external::delete_message($m1to2, -1, false);
1847              $this->fail('Exception expected due invalid user.');
1848          } catch (\moodle_exception $e) {
1849              $this->assertEquals('invaliduser', $e->errorcode);
1850          }
1851  
1852          // Not active user.
1853          delete_user($user2);
1854          try {
1855              $result = core_message_external::delete_message($m1to2, $user2->id, false);
1856              $this->fail('Exception expected due invalid user.');
1857          } catch (\moodle_exception $e) {
1858              $this->assertEquals('userdeleted', $e->errorcode);
1859          }
1860  
1861          // Now, as an admin, try to delete any message.
1862          $this->setAdminUser();
1863          $result = core_message_external::delete_message($m3to4, $user4->id, false);
1864          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1865          $this->assertTrue($result['status']);
1866          $this->assertCount(0, $result['warnings']);
1867          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m3to4, 'userid' => $user4->id,
1868              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1869  
1870      }
1871  
1872      public function test_mark_all_notifications_as_read_invalid_user_exception() {
1873          $this->resetAfterTest(true);
1874  
1875          $this->expectException('moodle_exception');
1876          core_message_external::mark_all_notifications_as_read(-2132131, 0);
1877      }
1878  
1879      public function test_mark_all_notifications_as_read_access_denied_exception() {
1880          $this->resetAfterTest(true);
1881  
1882          $sender = $this->getDataGenerator()->create_user();
1883          $user = $this->getDataGenerator()->create_user();
1884  
1885          $this->setUser($user);
1886          $this->expectException('moodle_exception');
1887          core_message_external::mark_all_notifications_as_read($sender->id, 0);
1888      }
1889  
1890      public function test_mark_all_notifications_as_read_missing_from_user_exception() {
1891          $this->resetAfterTest(true);
1892  
1893          $sender = $this->getDataGenerator()->create_user();
1894  
1895          $this->setUser($sender);
1896          $this->expectException('moodle_exception');
1897          core_message_external::mark_all_notifications_as_read($sender->id, 99999);
1898      }
1899  
1900      public function test_mark_all_notifications_as_read() {
1901          global $DB;
1902  
1903          $this->resetAfterTest(true);
1904  
1905          $sender1 = $this->getDataGenerator()->create_user();
1906          $sender2 = $this->getDataGenerator()->create_user();
1907          $sender3 = $this->getDataGenerator()->create_user();
1908          $recipient = $this->getDataGenerator()->create_user();
1909  
1910          $this->setUser($recipient);
1911  
1912          $this->send_message($sender1, $recipient, 'Notification', 1);
1913          $this->send_message($sender1, $recipient, 'Notification', 1);
1914          $this->send_message($sender2, $recipient, 'Notification', 1);
1915          $this->send_message($sender2, $recipient, 'Notification', 1);
1916          $this->send_message($sender3, $recipient, 'Notification', 1);
1917          $this->send_message($sender3, $recipient, 'Notification', 1);
1918  
1919          core_message_external::mark_all_notifications_as_read($recipient->id, $sender1->id);
1920          $readnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', [$recipient->id]);
1921          $unreadnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NULL', [$recipient->id]);
1922  
1923          $this->assertCount(2, $readnotifications);
1924          $this->assertCount(4, $unreadnotifications);
1925  
1926          core_message_external::mark_all_notifications_as_read($recipient->id, 0);
1927          $readnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', [$recipient->id]);
1928          $unreadnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NULL', [$recipient->id]);
1929  
1930          $this->assertCount(6, $readnotifications);
1931          $this->assertCount(0, $unreadnotifications);
1932      }
1933  
1934      public function test_mark_all_notifications_as_read_time_created_to() {
1935          global $DB;
1936  
1937          $this->resetAfterTest(true);
1938  
1939          $sender1 = $this->getDataGenerator()->create_user();
1940          $sender2 = $this->getDataGenerator()->create_user();
1941  
1942          $recipient = $this->getDataGenerator()->create_user();
1943          $this->setUser($recipient);
1944  
1945          // Record messages as sent on one second intervals.
1946          $time = time();
1947  
1948          $this->send_message($sender1, $recipient, 'Message 1', 1, $time);
1949          $this->send_message($sender2, $recipient, 'Message 2', 1, $time + 1);
1950          $this->send_message($sender1, $recipient, 'Message 3', 1, $time + 2);
1951          $this->send_message($sender2, $recipient, 'Message 4', 1, $time + 3);
1952  
1953          // Mark notifications sent from sender1 up until the second message; should only mark the first notification as read.
1954          core_message_external::mark_all_notifications_as_read($recipient->id, $sender1->id, $time + 1);
1955  
1956          $params = [$recipient->id];
1957  
1958          $this->assertEquals(1, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1959          $this->assertEquals(3, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1960  
1961          // Mark all notifications as read from any sender up to the time the third message was sent.
1962          core_message_external::mark_all_notifications_as_read($recipient->id, 0, $time + 2);
1963  
1964          $this->assertEquals(3, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1965          $this->assertEquals(1, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1966  
1967          // Mark all notifications as read from any sender with a time after all messages were sent.
1968          core_message_external::mark_all_notifications_as_read($recipient->id, 0, $time + 10);
1969  
1970          $this->assertEquals(4, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1971          $this->assertEquals(0, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1972      }
1973  
1974      /**
1975       * Test get_user_notification_preferences
1976       */
1977      public function test_get_user_notification_preferences() {
1978          $this->resetAfterTest(true);
1979  
1980          $user = self::getDataGenerator()->create_user();
1981          $this->setUser($user);
1982  
1983          // Set a couple of preferences to test.
1984          set_user_preference('message_provider_mod_assign_assign_notification_enabled', 'popup', $user);
1985  
1986          $prefs = core_message_external::get_user_notification_preferences();
1987          $prefs = \external_api::clean_returnvalue(core_message_external::get_user_notification_preferences_returns(), $prefs);
1988          // Check processors.
1989          $this->assertGreaterThanOrEqual(2, count($prefs['preferences']['processors']));
1990          $this->assertEquals($user->id, $prefs['preferences']['userid']);
1991  
1992          // Check components.
1993          $this->assertGreaterThanOrEqual(8, count($prefs['preferences']['components']));
1994  
1995          // Check some preferences that we previously set.
1996          $found = 0;
1997          foreach ($prefs['preferences']['components'] as $component) {
1998              foreach ($component['notifications'] as $prefdata) {
1999                  if ($prefdata['preferencekey'] != 'message_provider_mod_assign_assign_notification') {
2000                      continue;
2001                  }
2002                  foreach ($prefdata['processors'] as $processor) {
2003                      if ($processor['name'] == 'popup') {
2004                          $this->assertTrue($processor['enabled']);
2005                          $found = 1;
2006                      }
2007                  }
2008              }
2009          }
2010          $this->assertEquals(1, $found);
2011      }
2012  
2013      /**
2014       * Test get_user_notification_preferences permissions
2015       */
2016      public function test_get_user_notification_preferences_permissions() {
2017          $this->resetAfterTest(true);
2018  
2019          $user = self::getDataGenerator()->create_user();
2020          $otheruser = self::getDataGenerator()->create_user();
2021          $this->setUser($user);
2022  
2023          $this->expectException('moodle_exception');
2024          $prefs = core_message_external::get_user_notification_preferences($otheruser->id);
2025      }
2026  
2027      /**
2028       * Tests searching for users when site-wide messaging is disabled.
2029       *
2030       * This test verifies that any contacts are returned, as well as any non-contacts whose profile we can view.
2031       * If checks this by placing some users in the same course, where default caps would permit a user to view another user's
2032       * profile.
2033       */
2034      public function test_message_search_users_messagingallusers_disabled() {
2035          global $DB;
2036          $this->resetAfterTest();
2037  
2038          // Create some users.
2039          $users = [];
2040          foreach (range(1, 8) as $i) {
2041              $user = new \stdClass();
2042              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2043              $user->lastname = $i;
2044              $user = $this->getDataGenerator()->create_user($user);
2045              $users[$i] = $user;
2046          }
2047  
2048          // Enrol a few users in the same course, but leave them as non-contacts.
2049          $course1 = $this->getDataGenerator()->create_course();
2050          $course2 = $this->getDataGenerator()->create_course();
2051  
2052          $this->setAdminUser();
2053          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2054          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2055          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2056  
2057          // Add some other users as contacts.
2058          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2059          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2060          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2061  
2062          // Enrol a user as a teacher in the course, and make the teacher role a course contact role.
2063          $this->getDataGenerator()->enrol_user($users[8]->id, $course2->id, 'editingteacher');
2064          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
2065          set_config('coursecontact', $teacherrole->id);
2066  
2067          // Create individual conversations between some users, one contact and one non-contact.
2068          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2069              [$users[1]->id, $users[2]->id]);
2070          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2071              [$users[6]->id, $users[1]->id]);
2072  
2073          // Create a group conversation between 4 users, including a contact and a non-contact.
2074          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2075              [$users[1]->id, $users[2]->id, $users[4]->id, $users[7]->id], 'Project chat');
2076  
2077          // Set as the user performing the search.
2078          $this->setUser($users[1]);
2079  
2080          // Perform a search with $CFG->messagingallusers disabled.
2081          set_config('messagingallusers', 0);
2082          $result = core_message_external::message_search_users($users[1]->id, 'search');
2083          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2084  
2085          // Confirm that we returns contacts and non-contacts.
2086          $this->assertArrayHasKey('contacts', $result);
2087          $this->assertArrayHasKey('noncontacts', $result);
2088          $contacts = $result['contacts'];
2089          $noncontacts = $result['noncontacts'];
2090  
2091          // Check that we retrieved the correct contacts.
2092          $this->assertCount(2, $contacts);
2093          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2094          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2095  
2096          // Verify the correct conversations were returned for the contacts.
2097          $this->assertCount(2, $contacts[0]['conversations']);
2098          // We can't rely on the ordering of conversations within the results, so sort by id first.
2099          usort($contacts[0]['conversations'], function($a, $b) {
2100              return $b['id'] <=> $a['id'];
2101          });
2102          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $contacts[0]['conversations'][0]['type']);
2103          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $contacts[0]['conversations'][1]['type']);
2104  
2105          $this->assertCount(0, $contacts[1]['conversations']);
2106  
2107          // Check that we retrieved the correct non-contacts.
2108          // When site wide messaging is disabled, we expect to see only those users who we share a course with and whose profiles
2109          // are visible in that course. This excludes users like course contacts.
2110          $this->assertCount(3, $noncontacts);
2111          // Self-conversation first.
2112          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2113          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2114          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2115  
2116          // Verify the correct conversations were returned for the non-contacts.
2117          $this->assertCount(1, $noncontacts[1]['conversations']);
2118          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $noncontacts[1]['conversations'][0]['type']);
2119  
2120          $this->assertCount(1, $noncontacts[2]['conversations']);
2121          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $noncontacts[2]['conversations'][0]['type']);
2122      }
2123  
2124      /**
2125       * Tests searching for users when site-wide messaging is enabled.
2126       *
2127       * This test verifies that any contacts are returned, as well as any non-contacts, regardless of whether the searching user
2128       * can view their respective profile.
2129       */
2130      public function test_message_search_users_messagingallusers_enabled() {
2131          global $DB;
2132          $this->resetAfterTest();
2133  
2134          // Create some users.
2135          $users = [];
2136          foreach (range(1, 9) as $i) {
2137              $user = new \stdClass();
2138              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2139              $user->lastname = $i;
2140              $user = $this->getDataGenerator()->create_user($user);
2141              $users[$i] = $user;
2142          }
2143  
2144          // Enrol a few users in the same course, but leave them as non-contacts.
2145          $course1 = $this->getDataGenerator()->create_course();
2146          $course2 = $this->getDataGenerator()->create_course();
2147  
2148          $this->setAdminUser();
2149          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2150          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2151          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2152  
2153          // Add some other users as contacts.
2154          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2155          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2156          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2157  
2158          // Enrol a user as a teacher in the course, and make the teacher role a course contact role.
2159          $this->getDataGenerator()->enrol_user($users[9]->id, $course2->id, 'editingteacher');
2160          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
2161          set_config('coursecontact', $teacherrole->id);
2162  
2163          // Create individual conversations between some users, one contact and one non-contact.
2164          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2165              [$users[1]->id, $users[2]->id]);
2166          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2167              [$users[6]->id, $users[1]->id]);
2168  
2169          // Create a group conversation between 5 users, including a contact and a non-contact, and a user NOT in a shared course.
2170          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2171              [$users[1]->id, $users[2]->id, $users[4]->id, $users[7]->id, $users[8]->id], 'Project chat');
2172  
2173          // Set as the user performing the search.
2174          $this->setUser($users[1]);
2175  
2176          // Perform a search with $CFG->messagingallusers enabled.
2177          set_config('messagingallusers', 1);
2178          $result = core_message_external::message_search_users($users[1]->id, 'search');
2179          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2180  
2181          // Confirm that we returns contacts and non-contacts.
2182          $this->assertArrayHasKey('contacts', $result);
2183          $this->assertArrayHasKey('noncontacts', $result);
2184          $contacts = $result['contacts'];
2185          $noncontacts = $result['noncontacts'];
2186  
2187          // Check that we retrieved the correct contacts.
2188          $this->assertCount(2, $contacts);
2189          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2190          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2191  
2192          // Verify the correct conversations were returned for the contacts.
2193          $this->assertCount(2, $contacts[0]['conversations']);
2194          // We can't rely on the ordering of conversations within the results, so sort by id first.
2195          usort($contacts[0]['conversations'], function($a, $b) {
2196              return $b['id'] <=> $a['id'];
2197          });
2198          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $contacts[0]['conversations'][0]['type']);
2199          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $contacts[0]['conversations'][1]['type']);
2200  
2201          $this->assertCount(0, $contacts[1]['conversations']);
2202  
2203          // Check that we retrieved the correct non-contacts.
2204          // If site wide messaging is enabled, we expect to be able to search for any users whose profiles we can view.
2205          // In this case, as a student, that's the course contact for course2 and those noncontacts sharing a course with user1.
2206          $this->assertCount(4, $noncontacts);
2207          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2208          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2209          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2210          $this->assertEquals($users[9]->id, $noncontacts[3]['id']);
2211  
2212          // Verify the correct conversations were returned for the non-contacts.
2213          $this->assertCount(1, $noncontacts[1]['conversations']);
2214          $this->assertCount(1, $noncontacts[2]['conversations']);
2215          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $noncontacts[1]['conversations'][0]['type']);
2216          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $noncontacts[2]['conversations'][0]['type']);
2217          $this->assertCount(0, $noncontacts[3]['conversations']);
2218      }
2219  
2220      /**
2221       * Verify searching for users find themselves when they have self-conversations.
2222       */
2223      public function test_message_search_users_self_conversations() {
2224          $this->resetAfterTest();
2225  
2226          // Create some users.
2227          $user1 = new \stdClass();
2228          $user1->firstname = 'User';
2229          $user1->lastname = 'One';
2230          $user1 = $this->getDataGenerator()->create_user($user1);
2231          $user2 = new \stdClass();
2232          $user2->firstname = 'User';
2233          $user2->lastname = 'Two';
2234          $user2 = $this->getDataGenerator()->create_user($user2);
2235  
2236          // Get self-conversation for user1.
2237          $sc1 = \core_message\api::get_self_conversation($user1->id);
2238          testhelper::send_fake_message_to_conversation($user1, $sc1->id, 'Hi myself!');
2239  
2240          // Perform a search as user1.
2241          $this->setUser($user1);
2242          $result = core_message_external::message_search_users($user1->id, 'One');
2243          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2244  
2245          // Check results are empty.
2246          $this->assertCount(0, $result['contacts']);
2247          $this->assertCount(1, $result['noncontacts']);
2248      }
2249  
2250      /**
2251       * Verify searching for users works even if no matching users from either contacts, or non-contacts can be found.
2252       */
2253      public function test_message_search_users_with_empty_result() {
2254          $this->resetAfterTest();
2255  
2256          // Create some users, but make sure neither will match the search term.
2257          $user1 = new \stdClass();
2258          $user1->firstname = 'User';
2259          $user1->lastname = 'One';
2260          $user1 = $this->getDataGenerator()->create_user($user1);
2261          $user2 = new \stdClass();
2262          $user2->firstname = 'User';
2263          $user2->lastname = 'Two';
2264          $user2 = $this->getDataGenerator()->create_user($user2);
2265  
2266          // Perform a search as user1.
2267          $this->setUser($user1);
2268          $result = core_message_external::message_search_users($user1->id, 'search');
2269          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2270  
2271          // Check results are empty.
2272          $this->assertCount(0, $result['contacts']);
2273          $this->assertCount(0, $result['noncontacts']);
2274      }
2275  
2276      /**
2277       * Test verifying that limits and offsets work for both the contacts and non-contacts return data.
2278       */
2279      public function test_message_search_users_limit_offset() {
2280          $this->resetAfterTest();
2281  
2282          // Create 20 users.
2283          $users = [];
2284          foreach (range(1, 20) as $i) {
2285              $user = new \stdClass();
2286              $user->firstname = "User search";
2287              $user->lastname = $i;
2288              $user = $this->getDataGenerator()->create_user($user);
2289              $users[$i] = $user;
2290          }
2291  
2292          // Enrol the first 8 users in the same course, but leave them as non-contacts.
2293          $this->setAdminUser();
2294          $course1 = $this->getDataGenerator()->create_course();
2295          foreach (range(1, 8) as $i) {
2296              $this->getDataGenerator()->enrol_user($users[$i]->id, $course1->id);
2297          }
2298  
2299          // Add 5 users, starting at the 11th user, as contacts for user1.
2300          foreach (range(11, 15) as $i) {
2301              \core_message\api::add_contact($users[1]->id, $users[$i]->id);
2302          }
2303  
2304          // Set as the user performing the search.
2305          $this->setUser($users[1]);
2306  
2307          // Search using a limit of 3.
2308          // This tests the case where we have more results than the limit for both contacts and non-contacts.
2309          $result = core_message_external::message_search_users($users[1]->id, 'search', 0, 3);
2310          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2311          $contacts = $result['contacts'];
2312          $noncontacts = $result['noncontacts'];
2313  
2314          // Check that we retrieved the correct contacts.
2315          $this->assertCount(3, $contacts);
2316          $this->assertEquals($users[11]->id, $contacts[0]['id']);
2317          $this->assertEquals($users[12]->id, $contacts[1]['id']);
2318          $this->assertEquals($users[13]->id, $contacts[2]['id']);
2319  
2320          // Check that we retrieved the correct non-contacts.
2321          // Consider first conversation is self-conversation.
2322          $this->assertCount(3, $noncontacts);
2323          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2324          $this->assertEquals($users[2]->id, $noncontacts[1]['id']);
2325          $this->assertEquals($users[3]->id, $noncontacts[2]['id']);
2326  
2327          // Now, offset to get the next batch of results.
2328          // We expect to see 2 contacts, and 3 non-contacts.
2329          $result = core_message_external::message_search_users($users[1]->id, 'search', 3, 3);
2330          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2331          $contacts = $result['contacts'];
2332          $noncontacts = $result['noncontacts'];
2333          $this->assertCount(2, $contacts);
2334          $this->assertEquals($users[14]->id, $contacts[0]['id']);
2335          $this->assertEquals($users[15]->id, $contacts[1]['id']);
2336  
2337          $this->assertCount(3, $noncontacts);
2338          $this->assertEquals($users[4]->id, $noncontacts[0]['id']);
2339          $this->assertEquals($users[5]->id, $noncontacts[1]['id']);
2340          $this->assertEquals($users[6]->id, $noncontacts[2]['id']);
2341  
2342          // Now, offset to get the next batch of results.
2343          // We expect to see 0 contacts, and 2 non-contacts.
2344          $result = core_message_external::message_search_users($users[1]->id, 'search', 6, 3);
2345          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2346          $contacts = $result['contacts'];
2347          $noncontacts = $result['noncontacts'];
2348          $this->assertCount(0, $contacts);
2349  
2350          $this->assertCount(2, $noncontacts);
2351          $this->assertEquals($users[7]->id, $noncontacts[0]['id']);
2352          $this->assertEquals($users[8]->id, $noncontacts[1]['id']);
2353      }
2354  
2355      /**
2356       * Tests searching users as another user having the 'moodle/user:viewdetails' capability.
2357       */
2358      public function test_message_search_users_with_cap() {
2359          $this->resetAfterTest();
2360          global $DB;
2361  
2362          // Create some users.
2363          $users = [];
2364          foreach (range(1, 8) as $i) {
2365              $user = new \stdClass();
2366              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2367              $user->lastname = $i;
2368              $user = $this->getDataGenerator()->create_user($user);
2369              $users[$i] = $user;
2370          }
2371  
2372          // Enrol a few users in the same course, but leave them as non-contacts.
2373          $course1 = $this->getDataGenerator()->create_course();
2374          $this->setAdminUser();
2375          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2376          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2377          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2378  
2379          // Add some other users as contacts.
2380          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2381          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2382          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2383  
2384          // Set as the user performing the search.
2385          $this->setUser($users[1]);
2386  
2387          // Grant the authenticated user role the capability 'user:viewdetails' at site context.
2388          $authenticatedrole = $DB->get_record('role', ['shortname' => 'user'], '*', MUST_EXIST);
2389          assign_capability('moodle/user:viewdetails', CAP_ALLOW, $authenticatedrole->id, \context_system::instance());
2390  
2391          // Perform a search with $CFG->messagingallusers disabled.
2392          set_config('messagingallusers', 0);
2393          $result = core_message_external::message_search_users($users[1]->id, 'search');
2394          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2395          $contacts = $result['contacts'];
2396          $noncontacts = $result['noncontacts'];
2397  
2398          // Check that we retrieved the correct contacts.
2399          $this->assertCount(2, $contacts);
2400          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2401          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2402  
2403          // Check that we retrieved the correct non-contacts.
2404          // Site-wide messaging is disabled, so we expect to be able to search for any users whose profile we can view.
2405          // Consider first conversations is self-conversation.
2406          $this->assertCount(3, $noncontacts);
2407          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2408          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2409          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2410      }
2411  
2412      /**
2413       * Tests searching users as another user without the 'moodle/user:viewdetails' capability.
2414       */
2415      public function test_message_search_users_without_cap() {
2416          $this->resetAfterTest();
2417  
2418          // Create some users.
2419          $user1 = $this->getDataGenerator()->create_user();
2420          $user2 = $this->getDataGenerator()->create_user();
2421  
2422          // The person doing the search for another user.
2423          $this->setUser($user1);
2424  
2425          // Ensure an exception is thrown.
2426          $this->expectException('moodle_exception');
2427          core_message_external::message_search_users($user2->id, 'User');
2428          $this->assertDebuggingCalled();
2429      }
2430  
2431      /**
2432       * Tests searching users with messaging disabled.
2433       */
2434      public function test_message_search_users_messaging_disabled() {
2435          $this->resetAfterTest();
2436  
2437          // Create some skeleton data just so we can call the WS.
2438          $user = $this->getDataGenerator()->create_user();
2439  
2440          // The person doing the search.
2441          $this->setUser($user);
2442  
2443          // Disable messaging.
2444          set_config('messaging', 0);
2445  
2446          // Ensure an exception is thrown.
2447          $this->expectException('moodle_exception');
2448          core_message_external::message_search_users($user->id, 'User');
2449      }
2450  
2451      /**
2452       * Tests searching messages.
2453       */
2454      public function test_messagearea_search_messages() {
2455          $this->resetAfterTest(true);
2456  
2457          // Create some users.
2458          $user1 = self::getDataGenerator()->create_user();
2459          $user2 = self::getDataGenerator()->create_user();
2460  
2461          // The person doing the search.
2462          $this->setUser($user1);
2463  
2464          // Send some messages back and forth.
2465          $time = time();
2466          $this->send_message($user1, $user2, 'Yo!', 0, $time);
2467          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
2468          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
2469          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
2470          $convid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
2471  
2472          // Perform a search.
2473          $result = core_message_external::data_for_messagearea_search_messages($user1->id, 'o');
2474  
2475          // We need to execute the return values cleaning process to simulate the web service server.
2476          $result = \external_api::clean_returnvalue(core_message_external::data_for_messagearea_search_messages_returns(), $result);
2477  
2478          // Confirm the data is correct.
2479          $messages = $result['contacts'];
2480          $this->assertCount(2, $messages);
2481  
2482          $message1 = $messages[0];
2483          $message2 = $messages[1];
2484  
2485          $this->assertEquals($user2->id, $message1['userid']);
2486          $this->assertEquals(fullname($user2), $message1['fullname']);
2487          $this->assertTrue($message1['ismessaging']);
2488          $this->assertFalse($message1['sentfromcurrentuser']);
2489          $this->assertEquals('Word.', $message1['lastmessage']);
2490          $this->assertNotEmpty($message1['messageid']);
2491          $this->assertNull($message1['isonline']);
2492          $this->assertFalse($message1['isread']);
2493          $this->assertFalse($message1['isblocked']);
2494          $this->assertNull($message1['unreadcount']);
2495          $this->assertEquals($convid, $message1['conversationid']);
2496  
2497          $this->assertEquals($user2->id, $message2['userid']);
2498          $this->assertEquals(fullname($user2), $message2['fullname']);
2499          $this->assertTrue($message2['ismessaging']);
2500          $this->assertTrue($message2['sentfromcurrentuser']);
2501          $this->assertEquals('Yo!', $message2['lastmessage']);
2502          $this->assertNotEmpty($message2['messageid']);
2503          $this->assertNull($message2['isonline']);
2504          $this->assertTrue($message2['isread']);
2505          $this->assertFalse($message2['isblocked']);
2506          $this->assertNull($message2['unreadcount']);
2507          $this->assertEquals($convid, $message2['conversationid']);
2508      }
2509  
2510      /**
2511       * Tests searching messages as another user.
2512       */
2513      public function test_messagearea_search_messages_as_other_user() {
2514          $this->resetAfterTest(true);
2515  
2516          // The person doing the search.
2517          $this->setAdminUser();
2518  
2519          // Create some users.
2520          $user1 = self::getDataGenerator()->create_user();
2521          $user2 = self::getDataGenerator()->create_user();
2522  
2523          // Send some messages back and forth.
2524          $time = time();
2525          $this->send_message($user1, $user2, 'Yo!', 0, $time);
2526          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
2527          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
2528          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
2529  
2530          // Perform a search.
2531          $result = core_message_external::data_for_messagearea_search_messages($user1->id, 'o');
2532  
2533          // We need to execute the return values cleaning process to simulate the web service server.
2534          $result = \external_api::clean_returnvalue(core_message_external::data_for_messagearea_search_messages_returns(),
2535              $result);
2536  
2537          // Confirm the data is correct.
2538          $messages = $result['contacts'];
2539          $this->assertCount(2, $messages);
2540  
2541          $message1 = $messages[0];
2542          $message2 = $messages[1];
2543  
2544          $this->assertEquals($user2->id, $message1['userid']);
2545          $this->assertEquals(fullname($user2), $message1['fullname']);
2546          $this->assertTrue($message1['ismessaging']);
2547          $this->assertFalse($message1['sentfromcurrentuser']);
2548          $this->assertEquals('Word.', $message1['lastmessage']);
2549          $this->assertNotEmpty($message1['messageid']);
2550          $this->assertFalse($message1['isonline']);
2551          $this->assertFalse($message1['isread']);
2552          $this->assertFalse($message1['isblocked']);
2553          $this->assertNull($message1['unreadcount']);
2554  
2555          $this->assertEquals($user2->id, $message2['userid']);
2556          $this->assertEquals(fullname($user2), $message2['fullname']);
2557          $this->assertTrue($message2['ismessaging']);
2558          $this->assertTrue($message2['sentfromcurrentuser']);
2559          $this->assertEquals('Yo!', $message2['lastmessage']);
2560          $this->assertNotEmpty($message2['messageid']);
2561          $this->assertFalse($message2['isonline']);
2562          $this->assertTrue($message2['isread']);
2563          $this->assertFalse($message2['isblocked']);
2564          $this->assertNull($message2['unreadcount']);
2565      }
2566  
2567      /**
2568       * Tests searching messages as another user without the proper capabilities.
2569       */
2570      public function test_messagearea_search_messages_as_other_user_without_cap() {
2571          $this->resetAfterTest(true);
2572  
2573          // Create some users.
2574          $user1 = self::getDataGenerator()->create_user();
2575          $user2 = self::getDataGenerator()->create_user();
2576  
2577          // The person doing the search for another user.
2578          $this->setUser($user1);
2579  
2580          // Ensure an exception is thrown.
2581          $this->expectException('moodle_exception');
2582          core_message_external::data_for_messagearea_search_messages($user2->id, 'Search');
2583      }
2584  
2585      /**
2586       * Tests searching messages with messaging disabled
2587       */
2588      public function test_messagearea_search_messages_messaging_disabled() {
2589          global $CFG;
2590  
2591          $this->resetAfterTest(true);
2592  
2593          // Create some skeleton data just so we can call the WS.
2594          $user = self::getDataGenerator()->create_user();
2595  
2596          // The person doing the search .
2597          $this->setUser($user);
2598  
2599          // Disable messaging.
2600          $CFG->messaging = 0;
2601  
2602          // Ensure an exception is thrown.
2603          $this->expectException('moodle_exception');
2604          core_message_external::data_for_messagearea_search_messages($user->id, 'Search');
2605      }
2606  
2607      /**
2608       * Tests retrieving contacts.
2609       */
2610      public function test_get_user_contacts() {
2611          $this->resetAfterTest(true);
2612  
2613          // Create some users.
2614          $user1 = self::getDataGenerator()->create_user();
2615  
2616          // Set as the user.
2617          $this->setUser($user1);
2618  
2619          $user2 = new \stdClass();
2620          $user2->firstname = 'User';
2621          $user2->lastname = 'A';
2622          $user2 = self::getDataGenerator()->create_user($user2);
2623  
2624          $user3 = new \stdClass();
2625          $user3->firstname = 'User';
2626          $user3->lastname = 'B';
2627          $user3 = self::getDataGenerator()->create_user($user3);
2628  
2629          $user4 = new \stdClass();
2630          $user4->firstname = 'User';
2631          $user4->lastname = 'C';
2632          $user4 = self::getDataGenerator()->create_user($user4);
2633  
2634          $user5 = new \stdClass();
2635          $user5->firstname = 'User';
2636          $user5->lastname = 'D';
2637          $user5 = self::getDataGenerator()->create_user($user5);
2638  
2639          // Add some users as contacts.
2640          \core_message\api::add_contact($user1->id, $user2->id);
2641          \core_message\api::add_contact($user1->id, $user3->id);
2642          \core_message\api::add_contact($user1->id, $user4->id);
2643  
2644          // Retrieve the contacts.
2645          $result = core_message_external::get_user_contacts($user1->id);
2646  
2647          // We need to execute the return values cleaning process to simulate the web service server.
2648          $result = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(),
2649              $result);
2650  
2651          // Confirm the data is correct.
2652          $contacts = $result;
2653          usort($contacts, ['static', 'sort_contacts_id']);
2654          $this->assertCount(3, $contacts);
2655  
2656          $contact1 = array_shift($contacts);
2657          $contact2 = array_shift($contacts);
2658          $contact3 = array_shift($contacts);
2659  
2660          $this->assertEquals($user2->id, $contact1['id']);
2661          $this->assertEquals(fullname($user2), $contact1['fullname']);
2662          $this->assertTrue($contact1['iscontact']);
2663  
2664          $this->assertEquals($user3->id, $contact2['id']);
2665          $this->assertEquals(fullname($user3), $contact2['fullname']);
2666          $this->assertTrue($contact2['iscontact']);
2667  
2668          $this->assertEquals($user4->id, $contact3['id']);
2669          $this->assertEquals(fullname($user4), $contact3['fullname']);
2670          $this->assertTrue($contact3['iscontact']);
2671      }
2672  
2673      /**
2674       * Tests retrieving contacts as another user.
2675       */
2676      public function test_get_user_contacts_as_other_user() {
2677          $this->resetAfterTest(true);
2678  
2679          $this->setAdminUser();
2680  
2681          // Create some users.
2682          $user1 = self::getDataGenerator()->create_user();
2683  
2684          $user2 = new \stdClass();
2685          $user2->firstname = 'User';
2686          $user2->lastname = 'A';
2687          $user2 = self::getDataGenerator()->create_user($user2);
2688  
2689          $user3 = new \stdClass();
2690          $user3->firstname = 'User';
2691          $user3->lastname = 'B';
2692          $user3 = self::getDataGenerator()->create_user($user3);
2693  
2694          $user4 = new \stdClass();
2695          $user4->firstname = 'User';
2696          $user4->lastname = 'C';
2697          $user4 = self::getDataGenerator()->create_user($user4);
2698  
2699          $user5 = new \stdClass();
2700          $user5->firstname = 'User';
2701          $user5->lastname = 'D';
2702          $user5 = self::getDataGenerator()->create_user($user5);
2703  
2704          // Add some users as contacts.
2705          \core_message\api::add_contact($user1->id, $user2->id);
2706          \core_message\api::add_contact($user1->id, $user3->id);
2707          \core_message\api::add_contact($user1->id, $user4->id);
2708  
2709          // Retrieve the contacts.
2710          $result = core_message_external::get_user_contacts($user1->id);
2711  
2712          // We need to execute the return values cleaning process to simulate the web service server.
2713          $result = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(),
2714              $result);
2715  
2716          // Confirm the data is correct.
2717          $contacts = $result;
2718          usort($contacts, ['static', 'sort_contacts_id']);
2719          $this->assertCount(3, $contacts);
2720  
2721          $contact1 = array_shift($contacts);
2722          $contact2 = array_shift($contacts);
2723          $contact3 = array_shift($contacts);
2724  
2725          $this->assertEquals($user2->id, $contact1['id']);
2726          $this->assertEquals(fullname($user2), $contact1['fullname']);
2727          $this->assertTrue($contact1['iscontact']);
2728  
2729          $this->assertEquals($user3->id, $contact2['id']);
2730          $this->assertEquals(fullname($user3), $contact2['fullname']);
2731          $this->assertTrue($contact2['iscontact']);
2732  
2733          $this->assertEquals($user4->id, $contact3['id']);
2734          $this->assertEquals(fullname($user4), $contact3['fullname']);
2735          $this->assertTrue($contact3['iscontact']);
2736      }
2737  
2738      /**
2739       * Tests retrieving contacts as another user without the proper capabilities.
2740       */
2741      public function test_get_user_contacts_as_other_user_without_cap() {
2742          $this->resetAfterTest(true);
2743  
2744          // Create some users.
2745          $user1 = self::getDataGenerator()->create_user();
2746          $user2 = self::getDataGenerator()->create_user();
2747  
2748          // The person retrieving the contacts for another user.
2749          $this->setUser($user1);
2750  
2751          // Perform the WS call and ensure an exception is thrown.
2752          $this->expectException('moodle_exception');
2753          core_message_external::get_user_contacts($user2->id);
2754      }
2755  
2756      /**
2757       * Tests retrieving contacts with messaging disabled.
2758       */
2759      public function test_get_user_contacts_messaging_disabled() {
2760          global $CFG;
2761  
2762          $this->resetAfterTest(true);
2763  
2764          // Create some skeleton data just so we can call the WS.
2765          $user = self::getDataGenerator()->create_user();
2766  
2767          // The person retrieving the contacts.
2768          $this->setUser($user);
2769  
2770          // Disable messaging.
2771          $CFG->messaging = 0;
2772  
2773          // Perform the WS call and ensure we are shown that it is disabled.
2774          $this->expectException('moodle_exception');
2775          core_message_external::get_user_contacts($user->id);
2776      }
2777  
2778      /**
2779       * Test getting contacts when there are no results.
2780       */
2781      public function test_get_user_contacts_no_results() {
2782          $this->resetAfterTest();
2783  
2784          $user1 = self::getDataGenerator()->create_user();
2785  
2786          $this->setUser($user1);
2787  
2788          $requests = core_message_external::get_user_contacts($user1->id);
2789          $requests = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(), $requests);
2790  
2791          $this->assertEmpty($requests);
2792      }
2793  
2794      /**
2795       * Tests get_conversation_messages for retrieving messages.
2796       */
2797      public function test_get_conversation_messages() {
2798          $this->resetAfterTest(true);
2799  
2800          // Create some users.
2801          $user1 = self::getDataGenerator()->create_user();
2802          $user2 = self::getDataGenerator()->create_user();
2803          $user3 = self::getDataGenerator()->create_user();
2804          $user4 = self::getDataGenerator()->create_user();
2805          $user5 = self::getDataGenerator()->create_user();
2806  
2807          // Create group conversation.
2808          $conversation = \core_message\api::create_conversation(
2809              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2810              [$user1->id, $user2->id, $user3->id, $user4->id]
2811          );
2812  
2813          // The person asking for the messages.
2814          $this->setUser($user1);
2815  
2816          // Send some messages back and forth.
2817          $time = time();
2818          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Yo!', $time);
2819          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Sup mang?', $time + 1);
2820          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Writing PHPUnit tests!', $time + 2);
2821          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Word.', $time + 3);
2822  
2823          // Retrieve the messages.
2824          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id);
2825  
2826          // We need to execute the return values cleaning process to simulate the web service server.
2827          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2828              $result);
2829  
2830          // Check the results are correct.
2831          $this->assertEquals($conversation->id, $result['id']);
2832  
2833          // Confirm the members data is correct.
2834          $members = $result['members'];
2835          $this->assertCount(3, $members);
2836          $membersid = [$members[0]['id'], $members[1]['id'], $members[2]['id']];
2837          $this->assertContainsEquals($user1->id, $membersid);
2838          $this->assertContainsEquals($user2->id, $membersid);
2839          $this->assertContainsEquals($user3->id, $membersid);
2840  
2841          $membersfullnames = [$members[0]['fullname'], $members[1]['fullname'], $members[2]['fullname']];
2842          $this->assertContainsEquals(fullname($user1), $membersfullnames);
2843          $this->assertContainsEquals(fullname($user2), $membersfullnames);
2844          $this->assertContainsEquals(fullname($user3), $membersfullnames);
2845  
2846          // Confirm the messages data is correct.
2847          $messages = $result['messages'];
2848          $this->assertCount(4, $messages);
2849  
2850          $message1 = $messages[0];
2851          $message2 = $messages[1];
2852          $message3 = $messages[2];
2853          $message4 = $messages[3];
2854  
2855          $this->assertEquals($user1->id, $message1['useridfrom']);
2856          $this->assertStringContainsString('Yo!', $message1['text']);
2857  
2858          $this->assertEquals($user3->id, $message2['useridfrom']);
2859          $this->assertStringContainsString('Sup mang?', $message2['text']);
2860  
2861          $this->assertEquals($user2->id, $message3['useridfrom']);
2862          $this->assertStringContainsString('Writing PHPUnit tests!', $message3['text']);
2863  
2864          $this->assertEquals($user1->id, $message4['useridfrom']);
2865          $this->assertStringContainsString('Word.', $message4['text']);
2866      }
2867  
2868      /**
2869       * Tests get_conversation_messages for retrieving messages using timefrom parameter.
2870       */
2871      public function test_get_conversation_messages_timefrom() {
2872          $this->resetAfterTest(true);
2873  
2874          // Create some users.
2875          $user1 = self::getDataGenerator()->create_user();
2876          $user2 = self::getDataGenerator()->create_user();
2877          $user3 = self::getDataGenerator()->create_user();
2878          $user4 = self::getDataGenerator()->create_user();
2879  
2880          // Create group conversation.
2881          $conversation = \core_message\api::create_conversation(
2882              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2883              [$user1->id, $user2->id, $user3->id]
2884          );
2885  
2886          // The person asking for the messages.
2887          $this->setUser($user1);
2888  
2889          // Send some messages back and forth.
2890          $time = time();
2891          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 1', $time - 4);
2892          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 2', $time - 3);
2893          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 3', $time - 2);
2894          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 4', $time - 1);
2895  
2896          // Retrieve the messages from $time - 3, which should be the 3 most recent messages.
2897          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id, 0, 0, false, $time - 3);
2898  
2899          // We need to execute the return values cleaning process to simulate the web service server.
2900          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2901              $result);
2902  
2903          // Check the results are correct.
2904          $this->assertEquals($conversation->id, $result['id']);
2905  
2906          // Confirm the messages data is correct.
2907          $messages = $result['messages'];
2908          $this->assertCount(3, $messages);
2909  
2910          $message1 = $messages[0];
2911          $message2 = $messages[1];
2912          $message3 = $messages[2];
2913  
2914          $this->assertStringContainsString('Message 2', $message1['text']);
2915          $this->assertStringContainsString('Message 3', $message2['text']);
2916          $this->assertStringContainsString('Message 4', $message3['text']);
2917  
2918          // Confirm the members data is correct.
2919          $members = $result['members'];
2920          $this->assertCount(1, $members);
2921          $this->assertEquals($user2->id, $members[0]['id']);
2922      }
2923  
2924      /**
2925       * Tests get_conversation_messages for retrieving messages as another user.
2926       */
2927      public function test_get_conversation_messages_as_other_user() {
2928          $this->resetAfterTest(true);
2929  
2930          // Set as admin.
2931          $this->setAdminUser();
2932  
2933          // Create some users.
2934          $user1 = self::getDataGenerator()->create_user();
2935          $user2 = self::getDataGenerator()->create_user();
2936          $user3 = self::getDataGenerator()->create_user();
2937          $user4 = self::getDataGenerator()->create_user();
2938  
2939          // Create group conversation.
2940          $conversation = \core_message\api::create_conversation(
2941              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2942              [$user1->id, $user2->id, $user3->id, $user4->id]
2943          );
2944  
2945          // Send some messages back and forth.
2946          $time = time();
2947          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Yo!', $time);
2948          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Sup mang?', $time + 1);
2949          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Writing PHPUnit tests!', $time + 2);
2950          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Word.', $time + 3);
2951  
2952          // Retrieve the messages.
2953          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id);
2954  
2955          // We need to execute the return values cleaning process to simulate the web service server.
2956          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2957              $result);
2958  
2959          // Check the results are correct.
2960          $this->assertEquals($conversation->id, $result['id']);
2961  
2962          // Confirm the members data is correct.
2963          $members = $result['members'];
2964          $this->assertCount(3, $members);
2965          $membersid = [$members[0]['id'], $members[1]['id'], $members[2]['id']];
2966          $this->assertContainsEquals($user1->id, $membersid);
2967          $this->assertContainsEquals($user2->id, $membersid);
2968          $this->assertContainsEquals($user3->id, $membersid);
2969  
2970          // Confirm the message data is correct.
2971          $messages = $result['messages'];
2972          $this->assertCount(4, $messages);
2973  
2974          $message1 = $messages[0];
2975          $message2 = $messages[1];
2976          $message3 = $messages[2];
2977          $message4 = $messages[3];
2978  
2979          $this->assertEquals($user1->id, $message1['useridfrom']);
2980          $this->assertStringContainsString('Yo!', $message1['text']);
2981  
2982          $this->assertEquals($user3->id, $message2['useridfrom']);
2983          $this->assertStringContainsString('Sup mang?', $message2['text']);
2984  
2985          $this->assertEquals($user2->id, $message3['useridfrom']);
2986          $this->assertStringContainsString('Writing PHPUnit tests!', $message3['text']);
2987  
2988          $this->assertEquals($user1->id, $message4['useridfrom']);
2989          $this->assertStringContainsString('Word.', $message4['text']);
2990      }
2991  
2992      /**
2993       * Tests get_conversation_messages for retrieving messages as another user without the proper capabilities.
2994       */
2995      public function test_get_conversation_messages_as_other_user_without_cap() {
2996          $this->resetAfterTest(true);
2997  
2998          // Create some users.
2999          $user1 = self::getDataGenerator()->create_user();
3000          $user2 = self::getDataGenerator()->create_user();
3001          $user3 = self::getDataGenerator()->create_user();
3002          $user4 = self::getDataGenerator()->create_user();
3003  
3004          // Create group conversation.
3005          $conversation = \core_message\api::create_conversation(
3006              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3007              [$user1->id, $user2->id, $user3->id, $user4->id]
3008          );
3009  
3010          // The person asking for the messages for another user.
3011          $this->setUser($user1);
3012  
3013          // Ensure an exception is thrown.
3014          $this->expectException('moodle_exception');
3015          core_message_external::get_conversation_messages($user2->id, $conversation->id);
3016      }
3017  
3018      /**
3019       * Tests get_conversation_messages for retrieving messages as another user not in the conversation.
3020       */
3021      public function test_get_conversation_messages_as_user_not_in_conversation() {
3022          $this->resetAfterTest(true);
3023  
3024          // Create some users.
3025          $user1 = self::getDataGenerator()->create_user();
3026          $user2 = self::getDataGenerator()->create_user();
3027          $user3 = self::getDataGenerator()->create_user(); // Not in group.
3028  
3029          // Create group conversation.
3030          $conversation = \core_message\api::create_conversation(
3031              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3032              [$user1->id, $user2->id]
3033          );
3034  
3035          // The person asking for the messages for a conversation he does not belong to.
3036          $this->setUser($user3);
3037  
3038          // Ensure an exception is thrown.
3039          $this->expectExceptionMessage('User is not part of conversation.');
3040          core_message_external::get_conversation_messages($user3->id, $conversation->id);
3041      }
3042  
3043      /**
3044       * Tests get_conversation_messages for retrieving messages with messaging disabled.
3045       */
3046      public function test_get_conversation_messages_messaging_disabled() {
3047          $this->resetAfterTest(true);
3048  
3049          // Create some skeleton data just so we can call the WS.
3050          $user1 = self::getDataGenerator()->create_user();
3051          $user2 = self::getDataGenerator()->create_user();
3052          $user3 = self::getDataGenerator()->create_user();
3053          $user4 = self::getDataGenerator()->create_user();
3054  
3055          // Create group conversation.
3056          $conversation = \core_message\api::create_conversation(
3057              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3058              [$user1->id, $user2->id, $user3->id, $user4->id]
3059          );
3060  
3061          // The person asking for the messages for another user.
3062          $this->setUser($user1);
3063  
3064          // Disable messaging.
3065          set_config('messaging', 0);
3066  
3067          // Ensure an exception is thrown.
3068          $this->expectException('moodle_exception');
3069          core_message_external::get_conversation_messages($user1->id, $conversation->id);
3070      }
3071  
3072      /**
3073       * Test marking all conversation messages as read with an invalid user.
3074       */
3075      public function test_mark_all_conversation_messages_as_read_invalid_user_exception() {
3076          $this->resetAfterTest(true);
3077  
3078          $user1 = self::getDataGenerator()->create_user();
3079          $user2 = self::getDataGenerator()->create_user();
3080  
3081          // Send some messages back and forth.
3082          $time = time();
3083          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3084          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3085          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3086          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3087  
3088          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3089  
3090          $this->expectException('moodle_exception');
3091          core_message_external::mark_all_conversation_messages_as_read(-2132131, $conversationid);
3092      }
3093  
3094      /**
3095       * Test marking all conversation messages as read without proper access.
3096       */
3097      public function test_mark_all_conversation_messages_as_read_access_denied_exception() {
3098          $this->resetAfterTest(true);
3099  
3100          $user1 = self::getDataGenerator()->create_user();
3101          $user2 = self::getDataGenerator()->create_user();
3102          $user3 = self::getDataGenerator()->create_user();
3103  
3104          // Send some messages back and forth.
3105          $time = time();
3106          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3107          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3108          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3109          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3110  
3111          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3112  
3113          // User 3 is not in the conversation.
3114          $this->expectException('moodle_exception');
3115          core_message_external::mark_all_conversation_messages_as_read($user3->id, $conversationid);
3116      }
3117  
3118      /**
3119       * Test marking all conversation messages as read for another user.
3120       */
3121      public function test_mark_all_conversation_messages_as_read_wrong_user() {
3122          $this->resetAfterTest(true);
3123  
3124          $user1 = self::getDataGenerator()->create_user();
3125          $user2 = self::getDataGenerator()->create_user();
3126  
3127          // Send some messages back and forth.
3128          $time = time();
3129          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3130          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3131          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3132          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3133  
3134          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3135  
3136          // Can't mark the messages as read for user 2.
3137          $this->setUser($user1);
3138          $this->expectException('moodle_exception');
3139          core_message_external::mark_all_conversation_messages_as_read($user2->id, $conversationid);
3140      }
3141  
3142      /**
3143       * Test marking all conversation messages as admin.
3144       */
3145      public function test_mark_all_conversation_messages_as_admin() {
3146          global $DB;
3147  
3148          $this->resetAfterTest(true);
3149  
3150          $user1 = self::getDataGenerator()->create_user();
3151          $user2 = self::getDataGenerator()->create_user();
3152  
3153          // Send some messages back and forth.
3154          $time = time();
3155          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3156          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3157          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3158          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3159  
3160          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3161  
3162          // Admin can do anything.
3163          $this->setAdminUser();
3164          core_message_external::mark_all_conversation_messages_as_read($user2->id, $conversationid);
3165          $this->assertEquals(2, $DB->count_records('message_user_actions'));
3166      }
3167  
3168      /**
3169       * Test marking all conversation messages.
3170       */
3171      public function test_mark_all_conversation_messages_as_read() {
3172          global $DB;
3173  
3174          $this->resetAfterTest(true);
3175  
3176          $user1 = self::getDataGenerator()->create_user();
3177          $user2 = self::getDataGenerator()->create_user();
3178  
3179          // Send some messages back and forth.
3180          $time = time();
3181          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3182          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3183          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3184          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3185  
3186          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3187  
3188          // We are the user we want to mark the messages for and we are in the conversation, all good.
3189          $this->setUser($user1);
3190          core_message_external::mark_all_conversation_messages_as_read($user1->id, $conversationid);
3191          $this->assertEquals(2, $DB->count_records('message_user_actions'));
3192      }
3193  
3194      /**
3195       * Test getting unread conversation count.
3196       */
3197      public function test_get_unread_conversations_count() {
3198          $this->resetAfterTest(true);
3199  
3200          // Create some users.
3201          $user1 = self::getDataGenerator()->create_user();
3202          $user2 = self::getDataGenerator()->create_user();
3203          $user3 = self::getDataGenerator()->create_user();
3204          $user4 = self::getDataGenerator()->create_user();
3205  
3206          // The person wanting the conversation count.
3207          $this->setUser($user1);
3208  
3209          // Send some messages back and forth, have some different conversations with different users.
3210          $this->send_message($user1, $user2, 'Yo!');
3211          $this->send_message($user2, $user1, 'Sup mang?');
3212          $this->send_message($user1, $user2, 'Writing PHPUnit tests!');
3213          $this->send_message($user2, $user1, 'Word.');
3214  
3215          $this->send_message($user1, $user3, 'Booyah');
3216          $this->send_message($user3, $user1, 'Whaaat?');
3217          $this->send_message($user1, $user3, 'Nothing.');
3218          $this->send_message($user3, $user1, 'Cool.');
3219  
3220          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3221          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3222          $this->send_message($user1, $user4, 'Dope.');
3223  
3224          // Get the unread conversation count.
3225          $result = core_message_external::get_unread_conversations_count($user1->id);
3226  
3227          // We need to execute the return values cleaning process to simulate the web service server.
3228          $result = \external_api::clean_returnvalue(core_message_external::get_unread_conversations_count_returns(),
3229              $result);
3230  
3231          $this->assertEquals(3, $result);
3232      }
3233  
3234      /**
3235       * Test getting unread conversation count as other user.
3236       */
3237      public function test_get_unread_conversations_count_as_other_user() {
3238          $this->resetAfterTest(true);
3239  
3240          // The person wanting the conversation count.
3241          $this->setAdminUser();
3242  
3243          // Create some users.
3244          $user1 = self::getDataGenerator()->create_user();
3245          $user2 = self::getDataGenerator()->create_user();
3246          $user3 = self::getDataGenerator()->create_user();
3247          $user4 = self::getDataGenerator()->create_user();
3248  
3249          // Send some messages back and forth, have some different conversations with different users.
3250          $this->send_message($user1, $user2, 'Yo!');
3251          $this->send_message($user2, $user1, 'Sup mang?');
3252          $this->send_message($user1, $user2, 'Writing PHPUnit tests!');
3253          $this->send_message($user2, $user1, 'Word.');
3254  
3255          $this->send_message($user1, $user3, 'Booyah');
3256          $this->send_message($user3, $user1, 'Whaaat?');
3257          $this->send_message($user1, $user3, 'Nothing.');
3258          $this->send_message($user3, $user1, 'Cool.');
3259  
3260          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3261          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3262          $this->send_message($user1, $user4, 'Dope.');
3263  
3264          // Get the unread conversation count.
3265          $result = core_message_external::get_unread_conversations_count($user1->id);
3266  
3267          // We need to execute the return values cleaning process to simulate the web service server.
3268          $result = \external_api::clean_returnvalue(core_message_external::get_unread_conversations_count_returns(),
3269              $result);
3270  
3271          $this->assertEquals(3, $result);
3272      }
3273  
3274      /**
3275       * Test getting unread conversation count as other user without proper capability.
3276       */
3277      public function test_get_unread_conversations_count_as_other_user_without_cap() {
3278          $this->resetAfterTest(true);
3279  
3280          // Create some users.
3281          $user1 = self::getDataGenerator()->create_user();
3282          $user2 = self::getDataGenerator()->create_user();
3283  
3284          // The person wanting the conversation count.
3285          $this->setUser($user1);
3286  
3287          // Ensure an exception is thrown.
3288          $this->expectException('moodle_exception');
3289          core_message_external::get_unread_conversations_count($user2->id);
3290      }
3291  
3292      /**
3293       * Test deleting conversations.
3294       */
3295      public function test_delete_conversations_by_id() {
3296          global $DB;
3297  
3298          $this->resetAfterTest(true);
3299  
3300          // Create some users.
3301          $user1 = self::getDataGenerator()->create_user();
3302          $user2 = self::getDataGenerator()->create_user();
3303  
3304          // The person wanting to delete the conversation.
3305          $this->setUser($user1);
3306  
3307          // Send some messages back and forth.
3308          $time = time();
3309          $m1id = $this->send_message($user1, $user2, 'Yo!', 0, $time);
3310          $m2id = $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3311          $m3id = $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3312          $m4id = $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3313  
3314          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3315  
3316          // Delete the conversation.
3317          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3318  
3319          $muas = $DB->get_records('message_user_actions', array(), 'timecreated ASC');
3320          $this->assertCount(4, $muas);
3321          // Sort by id.
3322          ksort($muas);
3323  
3324          $mua1 = array_shift($muas);
3325          $mua2 = array_shift($muas);
3326          $mua3 = array_shift($muas);
3327          $mua4 = array_shift($muas);
3328  
3329          $this->assertEquals($user1->id, $mua1->userid);
3330          $this->assertEquals($m1id, $mua1->messageid);
3331          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
3332  
3333          $this->assertEquals($user1->id, $mua2->userid);
3334          $this->assertEquals($m2id, $mua2->messageid);
3335          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
3336  
3337          $this->assertEquals($user1->id, $mua3->userid);
3338          $this->assertEquals($m3id, $mua3->messageid);
3339          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
3340  
3341          $this->assertEquals($user1->id, $mua4->userid);
3342          $this->assertEquals($m4id, $mua4->messageid);
3343          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua4->action);
3344      }
3345  
3346      /**
3347       * Test deleting conversations as other user.
3348       */
3349      public function test_delete_conversations_by_id_as_other_user() {
3350          global $DB;
3351  
3352          $this->resetAfterTest(true);
3353  
3354          $this->setAdminUser();
3355  
3356          // Create some users.
3357          $user1 = self::getDataGenerator()->create_user();
3358          $user2 = self::getDataGenerator()->create_user();
3359  
3360          // Send some messages back and forth.
3361          $time = time();
3362          $m1id = $this->send_message($user1, $user2, 'Yo!', 0, $time);
3363          $m2id = $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3364          $m3id = $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3365          $m4id = $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3366  
3367          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3368  
3369          // Delete the conversation.
3370          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3371  
3372          $muas = $DB->get_records('message_user_actions', array(), 'timecreated ASC');
3373          $this->assertCount(4, $muas);
3374          // Sort by id.
3375          ksort($muas);
3376  
3377          $mua1 = array_shift($muas);
3378          $mua2 = array_shift($muas);
3379          $mua3 = array_shift($muas);
3380          $mua4 = array_shift($muas);
3381  
3382          $this->assertEquals($user1->id, $mua1->userid);
3383          $this->assertEquals($m1id, $mua1->messageid);
3384          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
3385  
3386          $this->assertEquals($user1->id, $mua2->userid);
3387          $this->assertEquals($m2id, $mua2->messageid);
3388          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
3389  
3390          $this->assertEquals($user1->id, $mua3->userid);
3391          $this->assertEquals($m3id, $mua3->messageid);
3392          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
3393  
3394          $this->assertEquals($user1->id, $mua4->userid);
3395          $this->assertEquals($m4id, $mua4->messageid);
3396          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua4->action);
3397      }
3398  
3399      /**
3400       * Test deleting conversations as other user without proper capability.
3401       */
3402      public function test_delete_conversations_by_id_as_other_user_without_cap() {
3403          $this->resetAfterTest(true);
3404  
3405          // Create some users.
3406          $user1 = self::getDataGenerator()->create_user();
3407          $user2 = self::getDataGenerator()->create_user();
3408          $user3 = self::getDataGenerator()->create_user();
3409  
3410          // Send some messages back and forth.
3411          $time = time();
3412          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3413          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3414          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3415          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3416  
3417          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3418  
3419          // The person wanting to delete the conversation.
3420          $this->setUser($user3);
3421  
3422          // Ensure an exception is thrown.
3423          $this->expectException('moodle_exception');
3424          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3425      }
3426  
3427      /**
3428       * Test deleting conversations with messaging disabled.
3429       */
3430      public function test_delete_conversations_by_id_messaging_disabled() {
3431          global $CFG;
3432  
3433          $this->resetAfterTest(true);
3434  
3435          // Create some users.
3436          $user1 = self::getDataGenerator()->create_user();
3437          $user2 = self::getDataGenerator()->create_user();
3438  
3439          // Send some messages back and forth.
3440          $time = time();
3441          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3442          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3443          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3444          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3445  
3446          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3447  
3448          // The person wanting to delete the conversation.
3449          $this->setUser($user1);
3450  
3451          // Disable messaging.
3452          $CFG->messaging = 0;
3453  
3454          // Ensure an exception is thrown.
3455          $this->expectException('moodle_exception');
3456          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3457      }
3458  
3459      /**
3460       * Test get message processor.
3461       */
3462      public function test_get_message_processor() {
3463          $this->resetAfterTest(true);
3464  
3465          // Create a user.
3466          $user1 = self::getDataGenerator()->create_user();
3467  
3468          // Set you as the user.
3469          $this->setUser($user1);
3470  
3471          // Get the message processors.
3472          $result = core_message_external::get_message_processor($user1->id, 'popup');
3473  
3474          // We need to execute the return values cleaning process to simulate the web service server.
3475          $result = \external_api::clean_returnvalue(core_message_external::get_message_processor_returns(), $result);
3476  
3477          $this->assertNotEmpty($result['systemconfigured']);
3478          $this->assertNotEmpty($result['userconfigured']);
3479      }
3480  
3481      /**
3482       * Test get_user_notification_preferences
3483       */
3484      public function test_get_user_message_preferences() {
3485          $this->resetAfterTest(true);
3486  
3487          $user = self::getDataGenerator()->create_user();
3488          $this->setUser($user);
3489  
3490          // Enable site-wide messagging privacy setting. The user will be able to receive messages from everybody.
3491          set_config('messagingallusers', true);
3492  
3493          // Set a couple of preferences to test.
3494          set_user_preference('message_provider_moodle_instantmessage_enabled', 'email', $user);
3495          set_user_preference('message_blocknoncontacts', \core_message\api::MESSAGE_PRIVACY_SITE, $user);
3496  
3497          $prefs = core_message_external::get_user_message_preferences();
3498          $prefs = \external_api::clean_returnvalue(core_message_external::get_user_message_preferences_returns(), $prefs);
3499          $this->assertEquals($user->id, $prefs['preferences']['userid']);
3500  
3501          // Check components.
3502          $this->assertCount(1, $prefs['preferences']['components']);
3503          $this->assertEquals(\core_message\api::MESSAGE_PRIVACY_SITE, $prefs['blocknoncontacts']);
3504  
3505          // Check some preferences that we previously set.
3506          $found = false;
3507          foreach ($prefs['preferences']['components'] as $component) {
3508              foreach ($component['notifications'] as $prefdata) {
3509                  if ($prefdata['preferencekey'] != 'message_provider_moodle_instantmessage') {
3510                      continue;
3511                  }
3512                  foreach ($prefdata['processors'] as $processor) {
3513                      if ($processor['name'] == 'email') {
3514                          $this->assertTrue($processor['enabled']);
3515                          $found = true;
3516                      }
3517                  }
3518              }
3519          }
3520          $this->assertTrue($found);
3521      }
3522  
3523      /**
3524       * Test get_user_message_preferences permissions
3525       */
3526      public function test_get_user_message_preferences_permissions() {
3527          $this->resetAfterTest(true);
3528  
3529          $user = self::getDataGenerator()->create_user();
3530          $otheruser = self::getDataGenerator()->create_user();
3531          $this->setUser($user);
3532  
3533          $this->expectException('moodle_exception');
3534          $prefs = core_message_external::get_user_message_preferences($otheruser->id);
3535      }
3536  
3537      /**
3538       * Comparison function for sorting contacts.
3539       *
3540       * @param array $a
3541       * @param array $b
3542       * @return bool
3543       */
3544      protected static function sort_contacts($a, $b) {
3545          return $a['userid'] <=> $b['userid'];
3546      }
3547  
3548      /**
3549       * Comparison function for sorting contacts.
3550       *
3551       * @param array $a
3552       * @param array $b
3553       * @return bool
3554       */
3555      protected static function sort_contacts_id($a, $b) {
3556          return $a['id'] <=> $b['id'];
3557      }
3558  
3559      /**
3560       * Test verifying that conversations can be marked as favourite conversations.
3561       */
3562      public function test_set_favourite_conversations_basic() {
3563          $this->resetAfterTest();
3564  
3565          $user1 = self::getDataGenerator()->create_user();
3566          $user2 = self::getDataGenerator()->create_user();
3567          $user3 = self::getDataGenerator()->create_user();
3568          $user4 = self::getDataGenerator()->create_user();
3569  
3570          $this->setUser($user1);
3571  
3572          // Now, create some conversations.
3573          $time = time();
3574          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3575          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3576          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3577  
3578          $this->send_message($user1, $user3, 'Booyah');
3579          $this->send_message($user3, $user1, 'Whaaat?');
3580          $this->send_message($user1, $user3, 'Nothing.');
3581  
3582          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3583          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3584  
3585          // Favourite 2 conversations as user 1.
3586          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3587          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3588          $result = core_message_external::set_favourite_conversations($user1->id, [$conversation1, $conversation2]);
3589  
3590          // We need to execute the return values cleaning process to simulate the web service server.
3591          $result = \external_api::clean_returnvalue(core_message_external::set_favourite_conversations_returns(), $result);
3592          $this->assertCount(0, $result);
3593      }
3594  
3595      /**
3596       * Test confirming that a user can't favourite a conversation on behalf of another user.
3597       */
3598      public function test_set_favourite_conversations_another_users_conversation() {
3599          $this->resetAfterTest();
3600  
3601          $user1 = self::getDataGenerator()->create_user();
3602          $user2 = self::getDataGenerator()->create_user();
3603          $user3 = self::getDataGenerator()->create_user();
3604  
3605          $this->setUser($user3);
3606  
3607          // Now, create some conversations.
3608          $time = time();
3609          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3610          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3611          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3612  
3613          $this->send_message($user1, $user3, 'Booyah');
3614          $this->send_message($user3, $user1, 'Whaaat?');
3615          $this->send_message($user1, $user3, 'Nothing.');
3616  
3617          // Try to favourite conversation 1 for user 2, as user3.
3618          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3619          $this->expectException(\moodle_exception::class);
3620          $result = core_message_external::set_favourite_conversations($user2->id, [$conversation1]);
3621      }
3622  
3623      /**
3624       * Test confirming that a user can't mark a conversation as their own favourite if it's a conversation they're not a member of.
3625       */
3626      public function test_set_favourite_conversations_non_member() {
3627          $this->resetAfterTest();
3628  
3629          $user1 = self::getDataGenerator()->create_user();
3630          $user2 = self::getDataGenerator()->create_user();
3631          $user3 = self::getDataGenerator()->create_user();
3632  
3633          $this->setUser($user3);
3634  
3635          // Now, create some conversations.
3636          $time = time();
3637          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3638          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3639          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3640  
3641          $this->send_message($user1, $user3, 'Booyah');
3642          $this->send_message($user3, $user1, 'Whaaat?');
3643          $this->send_message($user1, $user3, 'Nothing.');
3644  
3645          // Try to favourite conversation 1 as user 3.
3646          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3647          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3648          $this->expectException(\moodle_exception::class);
3649          $result = core_message_external::set_favourite_conversations($user3->id, [$conversation1]);
3650      }
3651  
3652      /**
3653       * Test confirming that a user can't favourite a non-existent conversation.
3654       */
3655      public function test_set_favourite_conversations_non_existent_conversation() {
3656          $this->resetAfterTest();
3657  
3658          $user1 = self::getDataGenerator()->create_user();
3659          $this->setUser($user1);
3660  
3661          // Try to favourite a non-existent conversation.
3662          $this->expectException(\moodle_exception::class);
3663          $result = core_message_external::set_favourite_conversations($user1->id, [0]);
3664      }
3665  
3666      /**
3667       * Test confirming that a user can unset a favourite conversation, or list of favourite conversations.
3668       */
3669      public function test_unset_favourite_conversations_basic() {
3670          $this->resetAfterTest();
3671  
3672          $user1 = self::getDataGenerator()->create_user();
3673          $user2 = self::getDataGenerator()->create_user();
3674          $user3 = self::getDataGenerator()->create_user();
3675          $user4 = self::getDataGenerator()->create_user();
3676  
3677          $this->setUser($user1);
3678  
3679          // Now, create some conversations.
3680          $time = time();
3681          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3682          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3683          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3684  
3685          $this->send_message($user1, $user3, 'Booyah');
3686          $this->send_message($user3, $user1, 'Whaaat?');
3687          $this->send_message($user1, $user3, 'Nothing.');
3688  
3689          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3690          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3691  
3692          // Favourite 2 conversations as user 1.
3693          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3694          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3695          \core_message\api::set_favourite_conversation($conversation1, $user1->id);
3696          \core_message\api::set_favourite_conversation($conversation2, $user1->id);
3697          // Consider first conversations is self-conversation.
3698          $this->assertCount(3, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3699  
3700          // Unset favourite self-conversation.
3701          $selfconversation = \core_message\api::get_self_conversation($user1->id);
3702          $result = core_message_external::unset_favourite_conversations($user1->id, [$selfconversation->id]);
3703          $this->assertCount(2, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3704  
3705          // Now, using the web service, unset the favourite conversations.
3706          $result = core_message_external::unset_favourite_conversations($user1->id, [$conversation1, $conversation2]);
3707  
3708          // We need to execute the return values cleaning process to simulate the web service server.
3709          $result = \external_api::clean_returnvalue(core_message_external::unset_favourite_conversations_returns(), $result);
3710          $this->assertCount(0, $result);
3711      }
3712  
3713      /**
3714       * Test confirming that a user can't unfavourite a conversation for another user.
3715       */
3716      public function test_unset_favourite_conversations_another_users_conversation() {
3717          $this->resetAfterTest();
3718  
3719          $user1 = self::getDataGenerator()->create_user();
3720          $user2 = self::getDataGenerator()->create_user();
3721          $user3 = self::getDataGenerator()->create_user();
3722  
3723          $this->setUser($user3);
3724  
3725          // Now, create some conversations.
3726          $time = time();
3727          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3728          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3729          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3730  
3731          $this->send_message($user1, $user3, 'Booyah');
3732          $this->send_message($user3, $user1, 'Whaaat?');
3733          $this->send_message($user1, $user3, 'Nothing.');
3734  
3735          // Favourite conversation 1 for user1. The current user ($USER) isn't checked for this action.
3736          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3737          \core_message\api::set_favourite_conversation($conversation1, $user1->id);
3738          // Consider first conversations is self-conversation.
3739          $this->assertCount(2, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3740  
3741          // Try to unfavourite conversation 1 for user 2, as user3.
3742          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3743          $this->expectException(\moodle_exception::class);
3744          $result = core_message_external::unset_favourite_conversations($user2->id, [$conversation1]);
3745      }
3746  
3747      /**
3748       * Test confirming that a user can't unfavourite a non-existent conversation.
3749       */
3750      public function test_unset_favourite_conversations_non_existent_conversation() {
3751          $this->resetAfterTest();
3752  
3753          $user1 = self::getDataGenerator()->create_user();
3754          $this->setUser($user1);
3755  
3756          // Try to unfavourite a non-existent conversation.
3757          $this->expectException(\moodle_exception::class);
3758          $result = core_message_external::unset_favourite_conversations($user1->id, [0]);
3759      }
3760  
3761      /**
3762       * Helper to seed the database with initial state.
3763       */
3764      protected function create_conversation_test_data() {
3765          // Create some users.
3766          $user1 = self::getDataGenerator()->create_user();
3767          $user2 = self::getDataGenerator()->create_user();
3768          $user3 = self::getDataGenerator()->create_user();
3769          $user4 = self::getDataGenerator()->create_user();
3770  
3771          $time = 1;
3772  
3773          // Create some conversations. We want:
3774          // 1) At least one of each type (group, individual) of which user1 IS a member and DID send the most recent message.
3775          // 2) At least one of each type (group, individual) of which user1 IS a member and DID NOT send the most recent message.
3776          // 3) At least one of each type (group, individual) of which user1 IS NOT a member.
3777          // 4) At least two group conversation having 0 messages, of which user1 IS a member (To confirm conversationid ordering).
3778          // 5) At least one group conversation having 0 messages, of which user1 IS NOT a member.
3779  
3780          // Individual conversation, user1 is a member, last message from other user.
3781          $ic1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3782              [$user1->id, $user2->id]);
3783          testhelper::send_fake_message_to_conversation($user1, $ic1->id, 'Message 1', $time);
3784          testhelper::send_fake_message_to_conversation($user2, $ic1->id, 'Message 2', $time + 1);
3785  
3786          // Individual conversation, user1 is a member, last message from user1.
3787          $ic2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3788              [$user1->id, $user3->id]);
3789          testhelper::send_fake_message_to_conversation($user3, $ic2->id, 'Message 3', $time + 2);
3790          testhelper::send_fake_message_to_conversation($user1, $ic2->id, 'Message 4', $time + 3);
3791  
3792          // Individual conversation, user1 is not a member.
3793          $ic3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3794              [$user2->id, $user3->id]);
3795          testhelper::send_fake_message_to_conversation($user2, $ic3->id, 'Message 5', $time + 4);
3796          testhelper::send_fake_message_to_conversation($user3, $ic3->id, 'Message 6', $time + 5);
3797  
3798          // Group conversation, user1 is not a member.
3799          $gc1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3800              [$user2->id, $user3->id, $user4->id], 'Project discussions');
3801          testhelper::send_fake_message_to_conversation($user2, $gc1->id, 'Message 7', $time + 6);
3802          testhelper::send_fake_message_to_conversation($user4, $gc1->id, 'Message 8', $time + 7);
3803  
3804          // Group conversation, user1 is a member, last message from another user.
3805          $gc2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3806              [$user1->id, $user3->id, $user4->id], 'Group chat');
3807          testhelper::send_fake_message_to_conversation($user1, $gc2->id, 'Message 9', $time + 8);
3808          testhelper::send_fake_message_to_conversation($user3, $gc2->id, 'Message 10', $time + 9);
3809          testhelper::send_fake_message_to_conversation($user4, $gc2->id, 'Message 11', $time + 10);
3810  
3811          // Group conversation, user1 is a member, last message from user1.
3812          $gc3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3813              [$user1->id, $user2->id, $user3->id, $user4->id], 'Group chat again!');
3814          testhelper::send_fake_message_to_conversation($user4, $gc3->id, 'Message 12', $time + 11);
3815          testhelper::send_fake_message_to_conversation($user3, $gc3->id, 'Message 13', $time + 12);
3816          testhelper::send_fake_message_to_conversation($user1, $gc3->id, 'Message 14', $time + 13);
3817  
3818          // Empty group conversations (x2), user1 is a member.
3819          $gc4 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3820              [$user1->id, $user2->id, $user3->id], 'Empty group');
3821          $gc5 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3822              [$user1->id, $user2->id, $user4->id], 'Another empty group');
3823  
3824          // Empty group conversation, user1 is NOT a member.
3825          $gc6 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3826              [$user2->id, $user3->id, $user4->id], 'Empty group 3');
3827  
3828          return [$user1, $user2, $user3, $user4, $ic1, $ic2, $ic3, $gc1, $gc2, $gc3, $gc4, $gc5, $gc6];
3829      }
3830  
3831      /**
3832       * Test confirming the basic use of get_conversations, with no limits, nor type or favourite restrictions.
3833       */
3834      public function test_get_conversations_no_restrictions() {
3835          $this->resetAfterTest(true);
3836  
3837          // Get a bunch of conversations, some group, some individual and in different states.
3838          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3839              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3840  
3841          // The user making the request.
3842          $this->setUser($user1);
3843  
3844          // Get all conversations for user1.
3845          $result = core_message_external::get_conversations($user1->id);
3846          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3847          $conversations = $result['conversations'];
3848  
3849          $selfconversation = \core_message\api::get_self_conversation($user1->id);
3850  
3851          // Verify there are 7 conversations: 2 individual, 2 group with message, 2 group without messages
3852          // and a self-conversation.
3853          // The conversations with the most recent messages should be listed first, followed by the most newly created
3854          // conversations without messages.
3855          $this->assertCount(7, $conversations);
3856          $this->assertEquals($gc3->id, $conversations[0]['id']);
3857          $this->assertEquals($gc2->id, $conversations[1]['id']);
3858          $this->assertEquals($ic2->id, $conversations[2]['id']);
3859          $this->assertEquals($ic1->id, $conversations[3]['id']);
3860          $this->assertEquals($gc5->id, $conversations[4]['id']);
3861          $this->assertEquals($gc4->id, $conversations[5]['id']);
3862          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
3863  
3864          foreach ($conversations as $conv) {
3865              $this->assertArrayHasKey('id', $conv);
3866              $this->assertArrayHasKey('name', $conv);
3867              $this->assertArrayHasKey('subname', $conv);
3868              $this->assertArrayHasKey('imageurl', $conv);
3869              $this->assertArrayHasKey('type', $conv);
3870              $this->assertArrayHasKey('membercount', $conv);
3871              $this->assertArrayHasKey('isfavourite', $conv);
3872              $this->assertArrayHasKey('isread', $conv);
3873              $this->assertArrayHasKey('unreadcount', $conv);
3874              $this->assertArrayHasKey('members', $conv);
3875              foreach ($conv['members'] as $member) {
3876                  $this->assertArrayHasKey('id', $member);
3877                  $this->assertArrayHasKey('fullname', $member);
3878                  $this->assertArrayHasKey('profileimageurl', $member);
3879                  $this->assertArrayHasKey('profileimageurlsmall', $member);
3880                  $this->assertArrayHasKey('isonline', $member);
3881                  $this->assertArrayHasKey('showonlinestatus', $member);
3882                  $this->assertArrayHasKey('isblocked', $member);
3883                  $this->assertArrayHasKey('iscontact', $member);
3884                  $this->assertArrayHasKey('isdeleted', $member);
3885                  $this->assertArrayHasKey('canmessage', $member);
3886                  $this->assertArrayHasKey('requirescontact', $member);
3887                  $this->assertArrayHasKey('contactrequests', $member);
3888              }
3889              $this->assertArrayHasKey('messages', $conv);
3890              foreach ($conv['messages'] as $message) {
3891                  $this->assertArrayHasKey('id', $message);
3892                  $this->assertArrayHasKey('useridfrom', $message);
3893                  $this->assertArrayHasKey('text', $message);
3894                  $this->assertArrayHasKey('timecreated', $message);
3895              }
3896          }
3897      }
3898  
3899      /**
3900       * Test verifying that html format messages are supported, and that message_format_message_text() is being called appropriately.
3901       */
3902      public function test_get_conversations_message_format() {
3903          $this->resetAfterTest();
3904  
3905          global $DB;
3906          // Create some users.
3907          $user1 = self::getDataGenerator()->create_user();
3908          $user2 = self::getDataGenerator()->create_user();
3909  
3910          // Create conversation.
3911          $conversation = \core_message\api::create_conversation(
3912              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3913              [$user1->id, $user2->id]
3914          );
3915  
3916          // Send some messages back and forth.
3917          $time = 1;
3918          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Sup mang?', $time + 1);
3919          $mid = testhelper::send_fake_message_to_conversation($user1, $conversation->id, '<a href="#">A link</a>', $time + 2);
3920          $message = $DB->get_record('messages', ['id' => $mid]);
3921  
3922          // The user in scope.
3923          $this->setUser($user1);
3924  
3925          // Verify the format of the html message.
3926          $expectedmessagetext = message_format_message_text($message);
3927          $result = core_message_external::get_conversations($user1->id);
3928          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3929          $conversations = $result['conversations'];
3930          $messages = $conversations[0]['messages'];
3931          $this->assertEquals($expectedmessagetext, $messages[0]['text']);
3932      }
3933  
3934      /**
3935       * Tests retrieving conversations with a limit and offset to ensure pagination works correctly.
3936       */
3937      public function test_get_conversations_limit_offset() {
3938          $this->resetAfterTest(true);
3939  
3940          // Get a bunch of conversations, some group, some individual and in different states.
3941          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3942              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3943  
3944          // The user making the request.
3945          $this->setUser($user1);
3946  
3947          // Get all conversations for user1.
3948          $result = core_message_external::get_conversations($user1->id, 0, 1);
3949          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3950          $conversations = $result['conversations'];
3951  
3952          // Verify the first conversation.
3953          $this->assertCount(1, $conversations);
3954          $conversation = array_shift($conversations);
3955          $this->assertEquals($gc3->id, $conversation['id']);
3956  
3957          // Verify the next conversation.
3958          $result = core_message_external::get_conversations($user1->id, 1, 1);
3959          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3960          $conversations = $result['conversations'];
3961          $this->assertCount(1, $conversations);
3962          $this->assertEquals($gc2->id, $conversations[0]['id']);
3963  
3964          // Verify the next conversation.
3965          $result = core_message_external::get_conversations($user1->id, 2, 1);
3966          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3967          $conversations = $result['conversations'];
3968          $this->assertCount(1, $conversations);
3969          $this->assertEquals($ic2->id, $conversations[0]['id']);
3970  
3971          // Skip one and get both empty conversations.
3972          $result = core_message_external::get_conversations($user1->id, 4, 2);
3973          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3974          $conversations = $result['conversations'];
3975          $this->assertCount(2, $conversations);
3976          $this->assertEquals($gc5->id, $conversations[0]['id']);
3977          $this->assertEmpty($conversations[0]['messages']);
3978          $this->assertEquals($gc4->id, $conversations[1]['id']);
3979          $this->assertEmpty($conversations[1]['messages']);
3980  
3981          // Ask for an offset that doesn't exist and verify no conversations are returned.
3982          $conversations = \core_message\api::get_conversations($user1->id, 10, 1);
3983          $this->assertCount(0, $conversations);
3984      }
3985  
3986      /**
3987       * Test verifying the type filtering behaviour of the get_conversations external method.
3988       */
3989      public function test_get_conversations_type_filter() {
3990          $this->resetAfterTest(true);
3991  
3992          // Get a bunch of conversations, some group, some individual and in different states.
3993          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3994              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3995  
3996          // The user making the request.
3997          $this->setUser($user1);
3998  
3999          // Verify we can ask for only individual conversations.
4000          $result = core_message_external::get_conversations($user1->id, 0, 20,
4001              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL);
4002          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4003          $conversations = $result['conversations'];
4004          $this->assertCount(2, $conversations);
4005  
4006          // Verify we can ask for only group conversations.
4007          $result = core_message_external::get_conversations($user1->id, 0, 20,
4008              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP);
4009          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4010          $conversations = $result['conversations'];
4011          $this->assertCount(4, $conversations);
4012  
4013          // Verify an exception is thrown if an unrecognized type is specified.
4014          $this->expectException(\moodle_exception::class);
4015          core_message_external::get_conversations($user1->id, 0, 20, 0);
4016      }
4017  
4018      /**
4019       * Tests retrieving conversations when a 'self' conversation exists.
4020       */
4021      public function test_get_conversations_self_conversations() {
4022          global $DB;
4023          $this->resetAfterTest();
4024  
4025          // Create a conversation between one user and themself.
4026          $user1 = self::getDataGenerator()->create_user();
4027          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF,
4028              [$user1->id]);
4029          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Test message to self!');
4030  
4031          // Verify we are in a 'self' conversation state.
4032          $members = $DB->get_records('message_conversation_members', ['conversationid' => $conversation->id]);
4033          $this->assertCount(1, $members);
4034          $member = array_pop($members);
4035          $this->assertEquals($user1->id, $member->userid);
4036  
4037          // Verify this conversation is returned by the method.
4038          $this->setUser($user1);
4039          $result = core_message_external::get_conversations($user1->id, 0, 20);
4040          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4041          $conversations = $result['conversations'];
4042          $this->assertCount(1, $conversations);
4043      }
4044  
4045      /**
4046       * Tests retrieving conversations when a conversation contains a deleted user.
4047       */
4048      public function test_get_conversations_deleted_user() {
4049          $this->resetAfterTest(true);
4050  
4051          // Get a bunch of conversations, some group, some individual and in different states.
4052          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4053              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4054  
4055          // The user making the request.
4056          $this->setUser($user1);
4057  
4058          $selfconversation = \core_message\api::get_self_conversation($user1->id);
4059  
4060          // Delete the second user and retrieve the conversations.
4061          // We should have 6 still, as conversations with soft-deleted users are still returned.
4062          // Group conversations are also present, albeit with less members.
4063          delete_user($user2);
4064          $result = core_message_external::get_conversations($user1->id);
4065          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4066          $conversations = $result['conversations'];
4067          $this->assertCount(7, $conversations);
4068          $this->assertEquals($gc3->id, $conversations[0]['id']);
4069          $this->assertcount(1, $conversations[0]['members']);
4070          $this->assertEquals($gc2->id, $conversations[1]['id']);
4071          $this->assertcount(1, $conversations[1]['members']);
4072          $this->assertEquals($ic2->id, $conversations[2]['id']);
4073          $this->assertEquals($ic1->id, $conversations[3]['id']);
4074          $this->assertEquals($gc5->id, $conversations[4]['id']);
4075          $this->assertEquals($gc4->id, $conversations[5]['id']);
4076          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
4077  
4078          // Delete a user from a group conversation where that user had sent the most recent message.
4079          // This user will still be present in the members array, as will the message in the messages array.
4080          delete_user($user4);
4081          $result = core_message_external::get_conversations($user1->id);
4082          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4083          $conversations = $result['conversations'];
4084          $this->assertCount(7, $conversations);
4085          $this->assertEquals($gc2->id, $conversations[1]['id']);
4086          $this->assertcount(1, $conversations[1]['members']);
4087          $this->assertEquals($user4->id, $conversations[1]['members'][0]['id']);
4088          $this->assertcount(1, $conversations[1]['messages']);
4089          $this->assertEquals($user4->id, $conversations[1]['messages'][0]['useridfrom']);
4090  
4091          // Delete the third user and retrieve the conversations.
4092          // We should have 7 still (including self-conversation), as conversations with soft-deleted users are still returned.
4093          // Group conversations are also present, albeit with less members.
4094          delete_user($user3);
4095          $result = core_message_external::get_conversations($user1->id);
4096          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4097          $conversations = $result['conversations'];
4098          $this->assertCount(7, $conversations);
4099          $this->assertEquals($gc3->id, $conversations[0]['id']);
4100          $this->assertcount(1, $conversations[0]['members']);
4101          $this->assertEquals($gc2->id, $conversations[1]['id']);
4102          $this->assertcount(1, $conversations[1]['members']);
4103          $this->assertEquals($ic2->id, $conversations[2]['id']);
4104          $this->assertEquals($ic1->id, $conversations[3]['id']);
4105          $this->assertEquals($gc5->id, $conversations[4]['id']);
4106          $this->assertEquals($gc4->id, $conversations[5]['id']);
4107          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
4108      }
4109  
4110      /**
4111       * Tests retrieving conversations when a conversation contains a deleted from the database user.
4112       */
4113      public function test_get_conversations_deleted_user_from_database() {
4114          global $DB;
4115  
4116          $this->resetAfterTest();
4117  
4118          $user1 = self::getDataGenerator()->create_user();
4119          $user2 = self::getDataGenerator()->create_user();
4120          $user3 = self::getDataGenerator()->create_user();
4121  
4122          $conversation1 = \core_message\api::create_conversation(
4123              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4124              [
4125                  $user1->id,
4126                  $user2->id
4127              ],
4128              'Individual conversation 1'
4129          );
4130  
4131          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'A');
4132          testhelper::send_fake_message_to_conversation($user2, $conversation1->id, 'B');
4133          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'C');
4134  
4135          $conversation2 = \core_message\api::create_conversation(
4136              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4137              [
4138                  $user1->id,
4139                  $user3->id
4140              ],
4141              'Individual conversation 2'
4142          );
4143  
4144          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'A');
4145          testhelper::send_fake_message_to_conversation($user3, $conversation2->id, 'B');
4146          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'C');
4147  
4148          $this->setUser($user1);
4149  
4150          // Delete the second user (from DB as well as this could happen in the past).
4151          delete_user($user2);
4152          $DB->delete_records('user', ['id' => $user2->id]);
4153          $result = core_message_external::get_conversations($user1->id, 0, 20, 1, false);
4154          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4155  
4156          $conversation = $result['conversations'];
4157  
4158          $this->assertCount(1, $conversation);
4159  
4160          $conversation = reset($conversation);
4161  
4162          $this->assertEquals($conversation2->id, $conversation['id']);
4163      }
4164  
4165      /**
4166       * Test verifying the behaviour of get_conversations() when fetching favourite conversations.
4167       */
4168      public function test_get_conversations_favourite_conversations() {
4169          $this->resetAfterTest(true);
4170  
4171          // Get a bunch of conversations, some group, some individual and in different states.
4172          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4173              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4174  
4175          // The user making the request.
4176          $this->setUser($user1);
4177  
4178          // Unset favourite self-conversation.
4179          $selfconversation = \core_message\api::get_self_conversation($user1->id);
4180          \core_message\api::unset_favourite_conversation($selfconversation->id, $user1->id);
4181  
4182          // Try to get ONLY favourite conversations, when no favourites exist.
4183          $result = core_message_external::get_conversations($user1->id, 0, 20, null, true);
4184          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4185          $conversations = $result['conversations'];
4186          $this->assertEquals([], $conversations);
4187  
4188          // Try to get NO favourite conversations, when no favourites exist.
4189          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4190          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4191          $conversations = $result['conversations'];
4192          // Consider first conversations is self-conversation.
4193          $this->assertCount(7, $conversations);
4194  
4195          // Mark a few conversations as favourites.
4196          \core_message\api::set_favourite_conversation($ic1->id, $user1->id);
4197          \core_message\api::set_favourite_conversation($gc2->id, $user1->id);
4198          \core_message\api::set_favourite_conversation($gc5->id, $user1->id);
4199  
4200          // Get the conversations, first with no restrictions, confirming the favourite status of the conversations.
4201          $result = core_message_external::get_conversations($user1->id);
4202          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4203          $conversations = $result['conversations'];
4204          $this->assertCount(7, $conversations);
4205          foreach ($conversations as $conv) {
4206              if (in_array($conv['id'], [$ic1->id, $gc2->id, $gc5->id])) {
4207                  $this->assertTrue($conv['isfavourite']);
4208              }
4209          }
4210  
4211          // Now, get ONLY favourite conversations.
4212          $result = core_message_external::get_conversations($user1->id, 0, 20, null, true);
4213          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4214          $conversations = $result['conversations'];
4215          $this->assertCount(3, $conversations);
4216          foreach ($conversations as $conv) {
4217              $this->assertTrue($conv['isfavourite']);
4218          }
4219  
4220          // Now, try ONLY favourites of type 'group'.
4221          $conversations = \core_message\api::get_conversations($user1->id, 0, 20,
4222              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, true);
4223          $this->assertCount(2, $conversations);
4224          foreach ($conversations as $conv) {
4225              $this->assertTrue($conv->isfavourite);
4226          }
4227  
4228          // And NO favourite conversations.
4229          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4230          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4231          $conversations = $result['conversations'];
4232          $this->assertCount(4, $conversations);
4233          foreach ($conversations as $conv) {
4234              $this->assertFalse($conv['isfavourite']);
4235          }
4236      }
4237  
4238      /**
4239       * Test verifying that group linked conversations are returned and contain a subname matching the course name.
4240       */
4241      public function test_get_conversations_group_linked() {
4242          $this->resetAfterTest();
4243          global $CFG, $DB;
4244  
4245          // Create some users.
4246          $user1 = self::getDataGenerator()->create_user();
4247          $user2 = self::getDataGenerator()->create_user();
4248          $user3 = self::getDataGenerator()->create_user();
4249  
4250          $course1 = $this->getDataGenerator()->create_course();
4251  
4252          // Create a group with a linked conversation.
4253          $this->setAdminUser();
4254          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4255          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4256          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4257          $group1 = $this->getDataGenerator()->create_group([
4258              'courseid' => $course1->id,
4259              'enablemessaging' => 1,
4260              'picturepath' => $CFG->dirroot . '/lib/tests/fixtures/gd-logo.png'
4261          ]);
4262  
4263          // Add users to group1.
4264          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4265          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4266  
4267          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4268          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4269          $conversations = $result['conversations'];
4270  
4271          $this->assertEquals(2, $conversations[0]['membercount']);
4272          $this->assertEquals($course1->shortname, $conversations[0]['subname']);
4273          $groupimageurl = get_group_picture_url($group1, $group1->courseid, true);
4274          $this->assertEquals($groupimageurl, $conversations[0]['imageurl']);
4275  
4276          // Now, disable the conversation linked to the group and verify it's no longer returned.
4277          $DB->set_field('message_conversations', 'enabled', 0, ['id' => $conversations[0]['id']]);
4278          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4279          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4280          $conversations = $result['conversations'];
4281          $this->assertCount(0, $conversations);
4282      }
4283  
4284      /**
4285       * Test that group conversations containing MathJax don't break the WebService.
4286       */
4287      public function test_get_conversations_group_with_mathjax() {
4288          $this->resetAfterTest(true);
4289          $this->setAdminUser();
4290  
4291          // Enable MathJax filter in content and headings.
4292          $this->configure_filters([
4293              ['name' => 'mathjaxloader', 'state' => TEXTFILTER_ON, 'move' => -1, 'applytostrings' => true],
4294          ]);
4295  
4296          // Create some users, a course and a group with a linked conversation.
4297          $user1 = self::getDataGenerator()->create_user();
4298          $user2 = self::getDataGenerator()->create_user();
4299  
4300          $coursename = 'Course $$(a+b)=2$$';
4301          $groupname = 'Group $$(a+b)=2$$';
4302          $course1 = $this->getDataGenerator()->create_course(['shortname' => $coursename]);
4303  
4304          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4305          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4306          $group1 = $this->getDataGenerator()->create_group([
4307              'name' => $groupname,
4308              'courseid' => $course1->id,
4309              'enablemessaging' => 1,
4310          ]);
4311  
4312          // Add users to group1.
4313          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4314          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4315  
4316          // Call the WebService.
4317          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4318          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4319          $conversations = $result['conversations'];
4320  
4321          // Format original data.
4322          $coursecontext = \context_course::instance($course1->id);
4323          $coursename = external_format_string($coursename, $coursecontext->id);
4324          $groupname = external_format_string($groupname, $coursecontext->id);
4325  
4326          $this->assertStringContainsString('<span class="filter_mathjaxloader_equation">', $conversations[0]['name']);
4327          $this->assertStringContainsString('<span class="filter_mathjaxloader_equation">', $conversations[0]['subname']);
4328          $this->assertEquals($groupname, $conversations[0]['name']);
4329          $this->assertEquals($coursename, $conversations[0]['subname']);
4330      }
4331  
4332      /**
4333       * Test verifying get_conversations when there are users in a group and/or individual conversation. The reason this
4334       * test is performed is because we do not need as much data for group conversations (saving DB calls), so we want
4335       * to confirm this happens.
4336       */
4337      public function test_get_conversations_user_in_group_and_individual_chat() {
4338          $this->resetAfterTest();
4339  
4340          $user1 = self::getDataGenerator()->create_user();
4341          $user2 = self::getDataGenerator()->create_user();
4342          $user3 = self::getDataGenerator()->create_user();
4343  
4344          $conversation = \core_message\api::create_conversation(
4345              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4346              [
4347                  $user1->id,
4348                  $user2->id
4349              ],
4350              'Individual conversation'
4351          );
4352  
4353          testhelper::send_fake_message_to_conversation($user1, $conversation->id);
4354  
4355          $conversation = \core_message\api::create_conversation(
4356              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4357              [
4358                  $user1->id,
4359                  $user2->id,
4360              ],
4361              'Group conversation'
4362          );
4363  
4364          testhelper::send_fake_message_to_conversation($user1, $conversation->id);
4365  
4366          \core_message\api::create_contact_request($user1->id, $user2->id);
4367          \core_message\api::create_contact_request($user1->id, $user3->id);
4368  
4369          $this->setUser($user2);
4370          $result = core_message_external::get_conversations($user2->id);
4371          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4372          $conversations = $result['conversations'];
4373  
4374          $groupconversation = array_shift($conversations);
4375          $individualconversation = array_shift($conversations);
4376  
4377          $this->assertEquals('Group conversation', $groupconversation['name']);
4378          $this->assertEquals('Individual conversation', $individualconversation['name']);
4379  
4380          $this->assertCount(1, $groupconversation['members']);
4381          $this->assertCount(1, $individualconversation['members']);
4382  
4383          $groupmember = reset($groupconversation['members']);
4384          $this->assertNull($groupmember['requirescontact']);
4385          $this->assertNull($groupmember['canmessage']);
4386          $this->assertEmpty($groupmember['contactrequests']);
4387  
4388          $individualmember = reset($individualconversation['members']);
4389          $this->assertNotNull($individualmember['requirescontact']);
4390          $this->assertNotNull($individualmember['canmessage']);
4391          $this->assertNotEmpty($individualmember['contactrequests']);
4392      }
4393  
4394      /**
4395       * Test verifying get_conversations identifies if a conversation is muted or not.
4396       */
4397      public function test_get_conversations_some_muted() {
4398          $this->resetAfterTest();
4399  
4400          // Create some users.
4401          $user1 = self::getDataGenerator()->create_user();
4402          $user2 = self::getDataGenerator()->create_user();
4403          $user3 = self::getDataGenerator()->create_user();
4404  
4405          $conversation1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4406              [$user1->id, $user2->id]);
4407          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'Message 1');
4408          testhelper::send_fake_message_to_conversation($user2, $conversation1->id, 'Message 2');
4409          \core_message\api::mute_conversation($user1->id, $conversation1->id);
4410  
4411          $conversation2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4412              [$user1->id, $user3->id]);
4413          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'Message 1');
4414          testhelper::send_fake_message_to_conversation($user2, $conversation2->id, 'Message 2');
4415  
4416          $conversation3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4417              [$user1->id, $user2->id]);
4418          \core_message\api::mute_conversation($user1->id, $conversation3->id);
4419  
4420          $conversation4 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4421              [$user1->id, $user3->id]);
4422  
4423          $this->setUser($user1);
4424          $result = core_message_external::get_conversations($user1->id);
4425          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4426          $conversations = $result['conversations'];
4427  
4428          usort($conversations, function($first, $second){
4429              return $first['id'] <=> $second['id'];
4430          });
4431  
4432          $selfconversation = array_shift($conversations);
4433          $conv1 = array_shift($conversations);
4434          $conv2 = array_shift($conversations);
4435          $conv3 = array_shift($conversations);
4436          $conv4 = array_shift($conversations);
4437  
4438          $this->assertTrue($conv1['ismuted']);
4439          $this->assertFalse($conv2['ismuted']);
4440          $this->assertTrue($conv3['ismuted']);
4441          $this->assertFalse($conv4['ismuted']);
4442      }
4443  
4444      /**
4445       * Test returning members in a conversation with no contact requests.
4446       */
4447      public function test_get_conversation_members_messaging_disabled() {
4448          global $CFG;
4449  
4450          $this->resetAfterTest();
4451  
4452          $CFG->messaging = 0;
4453  
4454          $this->expectException('moodle_exception');
4455          core_message_external::get_conversation_members(1, 2);
4456      }
4457  
4458      /**
4459       * Test returning members in a conversation with no contact requests.
4460       */
4461      public function test_get_conversation_members_wrong_user() {
4462          $this->resetAfterTest();
4463  
4464          $user1 = self::getDataGenerator()->create_user();
4465          $user2 = self::getDataGenerator()->create_user();
4466  
4467          $this->setUser($user2);
4468  
4469          $this->expectException('moodle_exception');
4470          core_message_external::get_conversation_members($user1->id, 2);
4471      }
4472  
4473      /**
4474       * Test returning members in a conversation with no contact requests.
4475       */
4476      public function test_get_conversation_members() {
4477          $this->resetAfterTest();
4478  
4479          $lastaccess = new \stdClass();
4480          $lastaccess->lastaccess = time();
4481  
4482          $user1 = self::getDataGenerator()->create_user($lastaccess);
4483          $user2 = self::getDataGenerator()->create_user();
4484          $user3 = self::getDataGenerator()->create_user();
4485  
4486          // This user will not be in the conversation, but a contact request will exist for them.
4487          $user4 = self::getDataGenerator()->create_user();
4488  
4489          // Add some contact requests.
4490          \core_message\api::create_contact_request($user1->id, $user3->id);
4491          \core_message\api::create_contact_request($user1->id, $user4->id);
4492          \core_message\api::create_contact_request($user2->id, $user3->id);
4493  
4494          // User 1 and 2 are already contacts.
4495          \core_message\api::add_contact($user1->id, $user2->id);
4496  
4497          // User 1 has blocked user 3.
4498          \core_message\api::block_user($user1->id, $user3->id);
4499  
4500          $conversation = \core_message\api::create_conversation(
4501              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4502              [
4503                  $user1->id,
4504                  $user2->id,
4505                  $user3->id
4506              ]
4507          );
4508          $conversationid = $conversation->id;
4509  
4510          $this->setAdminUser();
4511  
4512          $members = core_message_external::get_conversation_members($user1->id, $conversationid, false);
4513          \external_api::clean_returnvalue(core_message_external::get_conversation_members_returns(), $members);
4514  
4515          // Sort them by id.
4516          ksort($members);
4517          $this->assertCount(3, $members);
4518          $member1 = array_shift($members);
4519          $member2 = array_shift($members);
4520          $member3 = array_shift($members);
4521  
4522          // Confirm the standard fields are OK.
4523          $this->assertEquals($user1->id, $member1->id);
4524          $this->assertEquals(fullname($user1), $member1->fullname);
4525          $this->assertEquals(true, $member1->isonline);
4526          $this->assertEquals(true, $member1->showonlinestatus);
4527          $this->assertEquals(false, $member1->iscontact);
4528          $this->assertEquals(false, $member1->isblocked);
4529          $this->assertObjectHasAttribute('contactrequests', $member1);
4530          $this->assertEmpty($member1->contactrequests);
4531  
4532          $this->assertEquals($user2->id, $member2->id);
4533          $this->assertEquals(fullname($user2), $member2->fullname);
4534          $this->assertEquals(false, $member2->isonline);
4535          $this->assertEquals(true, $member2->showonlinestatus);
4536          $this->assertEquals(true, $member2->iscontact);
4537          $this->assertEquals(false, $member2->isblocked);
4538          $this->assertObjectHasAttribute('contactrequests', $member2);
4539          $this->assertEmpty($member2->contactrequests);
4540  
4541          $this->assertEquals($user3->id, $member3->id);
4542          $this->assertEquals(fullname($user3), $member3->fullname);
4543          $this->assertEquals(false, $member3->isonline);
4544          $this->assertEquals(true, $member3->showonlinestatus);
4545          $this->assertEquals(false, $member3->iscontact);
4546          $this->assertEquals(true, $member3->isblocked);
4547          $this->assertObjectHasAttribute('contactrequests', $member3);
4548          $this->assertEmpty($member3->contactrequests);
4549      }
4550  
4551      /**
4552       * Test returning members in a conversation with contact requests.
4553       */
4554      public function test_get_conversation_members_with_contact_requests() {
4555          $this->resetAfterTest();
4556  
4557          $lastaccess = new \stdClass();
4558          $lastaccess->lastaccess = time();
4559  
4560          $user1 = self::getDataGenerator()->create_user($lastaccess);
4561          $user2 = self::getDataGenerator()->create_user();
4562          $user3 = self::getDataGenerator()->create_user();
4563  
4564          // This user will not be in the conversation, but a contact request will exist for them.
4565          $user4 = self::getDataGenerator()->create_user();
4566  
4567          // Add some contact requests.
4568          \core_message\api::create_contact_request($user1->id, $user2->id);
4569          \core_message\api::create_contact_request($user1->id, $user3->id);
4570          \core_message\api::create_contact_request($user1->id, $user4->id);
4571          \core_message\api::create_contact_request($user2->id, $user3->id);
4572  
4573          // User 1 and 2 are already contacts.
4574          \core_message\api::add_contact($user1->id, $user2->id);
4575          // User 1 has blocked user 3.
4576          \core_message\api::block_user($user1->id, $user3->id);
4577  
4578          $conversation = \core_message\api::create_conversation(
4579              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4580              [
4581                  $user1->id,
4582                  $user2->id,
4583                  $user3->id
4584              ]
4585          );
4586          $conversationid = $conversation->id;
4587  
4588          $this->setAdminUser();
4589  
4590          $members = core_message_external::get_conversation_members($user1->id, $conversationid, true);
4591          \external_api::clean_returnvalue(core_message_external::get_conversation_members_returns(), $members);
4592  
4593          // Sort them by id.
4594          ksort($members);
4595          $this->assertCount(3, $members);
4596          $member1 = array_shift($members);
4597          $member2 = array_shift($members);
4598          $member3 = array_shift($members);
4599  
4600          // Confirm the standard fields are OK.
4601          $this->assertEquals($user1->id, $member1->id);
4602          $this->assertEquals(fullname($user1), $member1->fullname);
4603          $this->assertEquals(true, $member1->isonline);
4604          $this->assertEquals(true, $member1->showonlinestatus);
4605          $this->assertEquals(false, $member1->iscontact);
4606          $this->assertEquals(false, $member1->isblocked);
4607          $this->assertCount(2, $member1->contactrequests);
4608  
4609          $this->assertEquals($user2->id, $member2->id);
4610          $this->assertEquals(fullname($user2), $member2->fullname);
4611          $this->assertEquals(false, $member2->isonline);
4612          $this->assertEquals(true, $member2->showonlinestatus);
4613          $this->assertEquals(true, $member2->iscontact);
4614          $this->assertEquals(false, $member2->isblocked);
4615          $this->assertCount(1, $member2->contactrequests);
4616  
4617          $this->assertEquals($user3->id, $member3->id);
4618          $this->assertEquals(fullname($user3), $member3->fullname);
4619          $this->assertEquals(false, $member3->isonline);
4620          $this->assertEquals(true, $member3->showonlinestatus);
4621          $this->assertEquals(false, $member3->iscontact);
4622          $this->assertEquals(true, $member3->isblocked);
4623          $this->assertCount(1, $member3->contactrequests);
4624  
4625          // Confirm the contact requests are OK.
4626          $request1 = array_shift($member1->contactrequests);
4627          $request2 = array_shift($member1->contactrequests);
4628  
4629          $this->assertEquals($user1->id, $request1->userid);
4630          $this->assertEquals($user2->id, $request1->requesteduserid);
4631  
4632          $this->assertEquals($user1->id, $request2->userid);
4633          $this->assertEquals($user3->id, $request2->requesteduserid);
4634  
4635          $request1 = array_shift($member2->contactrequests);
4636  
4637          $this->assertEquals($user1->id, $request1->userid);
4638          $this->assertEquals($user2->id, $request1->requesteduserid);
4639  
4640          $request1 = array_shift($member3->contactrequests);
4641  
4642          $this->assertEquals($user1->id, $request1->userid);
4643          $this->assertEquals($user3->id, $request1->requesteduserid);
4644      }
4645  
4646      /**
4647       * Test returning members in a conversation when you are not a member.
4648       */
4649      public function test_get_conversation_members_not_a_member() {
4650          $this->resetAfterTest();
4651  
4652          $user1 = self::getDataGenerator()->create_user();
4653          $user2 = self::getDataGenerator()->create_user();
4654  
4655          // This user will not be in the conversation.
4656          $user3 = self::getDataGenerator()->create_user();
4657  
4658          $conversation = \core_message\api::create_conversation(
4659              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4660              [
4661                  $user1->id,
4662                  $user2->id,
4663              ]
4664          );
4665          $conversationid = $conversation->id;
4666  
4667          $this->setUser($user3);
4668  
4669          $this->expectException('moodle_exception');
4670          core_message_external::get_conversation_members($user3->id, $conversationid);
4671      }
4672  
4673      /**
4674       * Test verifying multiple messages can be sent to an individual conversation.
4675       */
4676      public function test_send_messages_to_conversation_individual() {
4677          $this->resetAfterTest(true);
4678  
4679          // Get a bunch of conversations, some group, some individual and in different states.
4680          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4681              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4682  
4683          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4684          $course1 = $this->getDataGenerator()->create_course();
4685          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4686          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4687          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4688          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4689  
4690          // The user making the request.
4691          $this->setUser($user1);
4692  
4693          // Try to send a message as user1 to a conversation user1 is a a part of.
4694          $messages = [
4695              [
4696                  'text' => 'a message from user 1',
4697                  'textformat' => FORMAT_MOODLE
4698              ],
4699              [
4700                  'text' => 'another message from user 1',
4701                  'textformat' => FORMAT_MOODLE
4702              ],
4703          ];
4704          // Redirect messages.
4705          // This marks messages as read, but we can still observe and verify the number of conversation recipients,
4706          // based on the message_viewed events generated as part of marking the message as read for each user.
4707          $this->preventResetByRollback();
4708          $sink = $this->redirectMessages();
4709          $writtenmessages = core_message_external::send_messages_to_conversation($ic1->id, $messages);
4710  
4711          \external_api::clean_returnvalue(core_message_external::send_messages_to_conversation_returns(), $writtenmessages);
4712  
4713          $this->assertCount(2, $writtenmessages);
4714          $this->assertObjectHasAttribute('id', $writtenmessages[0]);
4715          $this->assertEquals($user1->id, $writtenmessages[0]->useridfrom);
4716          $this->assertEquals('<p>a message from user 1</p>', $writtenmessages[0]->text);
4717          $this->assertNotEmpty($writtenmessages[0]->timecreated);
4718  
4719          $this->assertObjectHasAttribute('id', $writtenmessages[1]);
4720          $this->assertEquals($user1->id, $writtenmessages[1]->useridfrom);
4721          $this->assertEquals('<p>another message from user 1</p>', $writtenmessages[1]->text);
4722          $this->assertNotEmpty($writtenmessages[1]->timecreated);
4723      }
4724  
4725      /**
4726       * Test verifying multiple messages can be sent to an group conversation.
4727       */
4728      public function test_send_messages_to_conversation_group() {
4729          $this->resetAfterTest(true);
4730  
4731          // Get a bunch of conversations, some group, some individual and in different states.
4732          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4733              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4734  
4735          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4736          $course1 = $this->getDataGenerator()->create_course();
4737          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4738          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4739          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4740          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4741  
4742          // The user making the request.
4743          $this->setUser($user1);
4744  
4745          // Try to send a message as user1 to a conversation user1 is a a part of.
4746          $messages = [
4747              [
4748                  'text' => 'a message from user 1 to group conv',
4749                  'textformat' => FORMAT_MOODLE
4750              ],
4751              [
4752                  'text' => 'another message from user 1 to group conv',
4753                  'textformat' => FORMAT_MOODLE
4754              ],
4755          ];
4756          // Redirect messages.
4757          // This marks messages as read, but we can still observe and verify the number of conversation recipients,
4758          // based on the message_viewed events generated as part of marking the message as read for each user.
4759          $this->preventResetByRollback();
4760          $sink = $this->redirectMessages();
4761          $writtenmessages = core_message_external::send_messages_to_conversation($gc2->id, $messages);
4762  
4763          \external_api::clean_returnvalue(core_message_external::send_messages_to_conversation_returns(), $writtenmessages);
4764  
4765          $this->assertCount(2, $writtenmessages);
4766          $this->assertObjectHasAttribute('id', $writtenmessages[0]);
4767          $this->assertEquals($user1->id, $writtenmessages[0]->useridfrom);
4768          $this->assertEquals('<p>a message from user 1 to group conv</p>', $writtenmessages[0]->text);
4769          $this->assertNotEmpty($writtenmessages[0]->timecreated);
4770  
4771          $this->assertObjectHasAttribute('id', $writtenmessages[1]);
4772          $this->assertEquals($user1->id, $writtenmessages[1]->useridfrom);
4773          $this->assertEquals('<p>another message from user 1 to group conv</p>', $writtenmessages[1]->text);
4774          $this->assertNotEmpty($writtenmessages[1]->timecreated);
4775      }
4776  
4777      /**
4778       * Test verifying multiple messages can not be sent to a non existent conversation.
4779       */
4780      public function test_send_messages_to_conversation_non_existent_conversation() {
4781          $this->resetAfterTest(true);
4782  
4783          // Get a bunch of conversations, some group, some individual and in different states.
4784          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4785              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4786  
4787          // The user making the request.
4788          $this->setUser($user1);
4789  
4790          // Try to send a message as user1 to a conversation user1 is a a part of.
4791          $messages = [
4792              [
4793                  'text' => 'a message from user 1',
4794                  'textformat' => FORMAT_MOODLE
4795              ],
4796              [
4797                  'text' => 'another message from user 1',
4798                  'textformat' => FORMAT_MOODLE
4799              ],
4800          ];
4801          $this->expectException(\moodle_exception::class);
4802          $writtenmessages = core_message_external::send_messages_to_conversation(0, $messages);
4803      }
4804  
4805      /**
4806       * Test verifying multiple messages can not be sent to a conversation by a non-member.
4807       */
4808      public function test_send_messages_to_conversation_non_member() {
4809          $this->resetAfterTest(true);
4810  
4811          // Get a bunch of conversations, some group, some individual and in different states.
4812          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4813              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4814  
4815          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4816          $course1 = $this->getDataGenerator()->create_course();
4817          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4818          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4819          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4820          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4821  
4822          // The user making the request. This user is not a member of group conversation 1 (gc1).
4823          $this->setUser($user1);
4824  
4825          // Try to send a message as user1 to a conversation user1 is a a part of.
4826          $messages = [
4827              [
4828                  'text' => 'a message from user 1 to group conv',
4829                  'textformat' => FORMAT_MOODLE
4830              ],
4831              [
4832                  'text' => 'another message from user 1 to group conv',
4833                  'textformat' => FORMAT_MOODLE
4834              ],
4835          ];
4836          $this->expectException(\moodle_exception::class);
4837          $writtenmessages = core_message_external::send_messages_to_conversation($gc1->id, $messages);
4838      }
4839  
4840      /**
4841       * Test verifying a to long message can not be sent to a conversation.
4842       */
4843      public function test_send_messages_to_conversation_long_text() {
4844          $this->resetAfterTest(true);
4845  
4846          // Get a bunch of conversations, some group, some individual and in different states.
4847          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4848              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4849  
4850          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4851          $course1 = $this->getDataGenerator()->create_course();
4852          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4853          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4854          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4855          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4856  
4857          // The user making the request.
4858          $this->setUser($user1);
4859  
4860          // Try to send a message as user1 to a conversation user1 is a a part of.
4861          $messages = [
4862              [
4863                  'text' => str_repeat("M", \core_message\api::MESSAGE_MAX_LENGTH + 100),
4864                  'textformat' => FORMAT_MOODLE
4865              ],
4866          ];
4867  
4868          $this->expectException(\moodle_exception::class);
4869          $writtenmessages = core_message_external::send_messages_to_conversation($gc2->id, $messages);
4870      }
4871  
4872      /**
4873       * Test getting a conversation that doesn't exist.
4874       */
4875      public function test_get_conversation_no_conversation() {
4876          $this->resetAfterTest();
4877  
4878          $user1 = self::getDataGenerator()->create_user();
4879          $user2 = self::getDataGenerator()->create_user();
4880  
4881          $name = 'lol conversation';
4882          $conversation = \core_message\api::create_conversation(
4883              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4884              [
4885                  $user1->id,
4886                  $user2->id,
4887              ],
4888              $name
4889          );
4890          $conversationid = $conversation->id;
4891  
4892          $this->setUser($user1);
4893  
4894          $this->expectException('moodle_exception');
4895          $conv = core_message_external::get_conversation($user1->id, $conversationid + 1);
4896          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4897      }
4898  
4899      /**
4900       * Test verifying that the correct favourite information is returned for a non-linked converastion at user context.
4901       */
4902      public function test_get_conversation_favourited() {
4903          $this->resetAfterTest();
4904  
4905          $user1 = self::getDataGenerator()->create_user();
4906          $user2 = self::getDataGenerator()->create_user();
4907  
4908          // Create a conversation between the 2 users.
4909          $conversation = \core_message\api::create_conversation(
4910              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4911              [
4912                  $user1->id,
4913                  $user2->id,
4914              ],
4915              'An individual conversation'
4916          );
4917  
4918          // Favourite the conversation as user 1 only.
4919          \core_message\api::set_favourite_conversation($conversation->id, $user1->id);
4920  
4921          // Get the conversation for user1 and confirm it's favourited.
4922          $this->setUser($user1);
4923          $conv = core_message_external::get_conversation($user1->id, $conversation->id);
4924          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4925          $this->assertTrue($conv['isfavourite']);
4926  
4927          // Get the conversation for user2 and confirm it's NOT favourited.
4928          $this->setUser($user2);
4929          $conv = core_message_external::get_conversation($user2->id, $conversation->id);
4930          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4931          $this->assertFalse($conv['isfavourite']);
4932      }
4933  
4934      /**
4935       * Test verifying that the correct favourite information is returned for a group-linked conversation at course context.
4936       */
4937      public function test_get_conversation_favourited_group_linked() {
4938          $this->resetAfterTest();
4939          global $DB;
4940  
4941          $user1 = self::getDataGenerator()->create_user();
4942          $user2 = self::getDataGenerator()->create_user();
4943          $user3 = self::getDataGenerator()->create_user();
4944  
4945          $course1 = $this->getDataGenerator()->create_course();
4946          $course1context = \context_course::instance($course1->id);
4947  
4948          // Create a group with a linked conversation and a valid image.
4949          $this->setAdminUser();
4950          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4951          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4952          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4953          $group1 = $this->getDataGenerator()->create_group([
4954              'courseid' => $course1->id,
4955              'enablemessaging' => 1
4956          ]);
4957  
4958          // Add users to group1.
4959          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4960          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4961  
4962          // Verify that the conversation is a group linked conversation in the course context.
4963          $conversationrecord = $DB->get_record('message_conversations', ['component' => 'core_group', 'itemtype' => 'groups']);
4964          $this->assertEquals($course1context->id, $conversationrecord->contextid);
4965  
4966          // Favourite the conversation as user 1 only.
4967          \core_message\api::set_favourite_conversation($conversationrecord->id, $user1->id);
4968  
4969          // Get the conversation for user1 and confirm it's favourited.
4970          $this->setUser($user1);
4971          $conv = core_message_external::get_conversation($user1->id, $conversationrecord->id);
4972          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4973          $this->assertTrue($conv['isfavourite']);
4974  
4975          // Get the conversation for user2 and confirm it's NOT favourited.
4976          $this->setUser($user2);
4977          $conv = core_message_external::get_conversation($user2->id, $conversationrecord->id);
4978          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4979          $this->assertFalse($conv['isfavourite']);
4980      }
4981  
4982      /**
4983       * Test getting a conversation with no messages.
4984       */
4985      public function test_get_conversation_no_messages() {
4986          $this->resetAfterTest();
4987  
4988          $user1 = self::getDataGenerator()->create_user();
4989          $user2 = self::getDataGenerator()->create_user();
4990  
4991          $name = 'lol conversation';
4992          $conversation = \core_message\api::create_conversation(
4993              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4994              [
4995                  $user1->id,
4996                  $user2->id,
4997              ],
4998              $name
4999          );
5000          $conversationid = $conversation->id;
5001  
5002          $this->setUser($user1);
5003  
5004          $conv = core_message_external::get_conversation($user1->id, $conversationid);
5005          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5006  
5007          $conv = (array) $conv;
5008          $this->assertEquals($conversationid, $conv['id']);
5009          $this->assertEquals($name, $conv['name']);
5010          $this->assertArrayHasKey('subname', $conv);
5011          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $conv['type']);
5012          $this->assertEquals(2, $conv['membercount']);
5013          $this->assertEquals(false, $conv['isfavourite']);
5014          $this->assertEquals(true, $conv['isread']);
5015          $this->assertEquals(0, $conv['unreadcount']);
5016          $this->assertCount(1, $conv['members']);
5017          foreach ($conv['members'] as $member) {
5018              $member = (array) $member;
5019              $this->assertArrayHasKey('id', $member);
5020              $this->assertArrayHasKey('fullname', $member);
5021              $this->assertArrayHasKey('profileimageurl', $member);
5022              $this->assertArrayHasKey('profileimageurlsmall', $member);
5023              $this->assertArrayHasKey('isonline', $member);
5024              $this->assertArrayHasKey('showonlinestatus', $member);
5025              $this->assertArrayHasKey('isblocked', $member);
5026              $this->assertArrayHasKey('iscontact', $member);
5027          }
5028          $this->assertEmpty($conv['messages']);
5029      }
5030  
5031      /**
5032       * Test getting a conversation with messages.
5033       */
5034      public function test_get_conversation_with_messages() {
5035          $this->resetAfterTest();
5036  
5037          $user1 = self::getDataGenerator()->create_user();
5038          $user2 = self::getDataGenerator()->create_user();
5039          $user3 = self::getDataGenerator()->create_user();
5040  
5041          // Some random conversation.
5042          $otherconversation = \core_message\api::create_conversation(
5043              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5044              [
5045                  $user1->id,
5046                  $user3->id,
5047              ]
5048          );
5049  
5050          $conversation = \core_message\api::create_conversation(
5051              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5052              [
5053                  $user1->id,
5054                  $user2->id,
5055              ]
5056          );
5057          $conversationid = $conversation->id;
5058  
5059          $time = time();
5060          $message1id = testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'A', $time - 10);
5061          $message2id = testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'B', $time - 5);
5062          $message3id = testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'C', $time);
5063  
5064          // Add some messages to the other convo to make sure they aren't included.
5065          testhelper::send_fake_message_to_conversation($user1, $otherconversation->id, 'foo');
5066  
5067          $this->setUser($user1);
5068  
5069          // Test newest first.
5070          $conv = core_message_external::get_conversation(
5071              $user1->id,
5072              $conversationid,
5073              false,
5074              false,
5075              0,
5076              0,
5077              0,
5078              0,
5079              true
5080          );
5081          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5082  
5083          $conv = (array) $conv;
5084          $this->assertEquals(false, $conv['isread']);
5085          $this->assertEquals(1, $conv['unreadcount']);
5086          $this->assertCount(3, $conv['messages']);
5087          $this->assertEquals($message3id, $conv['messages'][0]->id);
5088          $this->assertEquals($user1->id, $conv['messages'][0]->useridfrom);
5089          $this->assertEquals($message2id, $conv['messages'][1]->id);
5090          $this->assertEquals($user2->id, $conv['messages'][1]->useridfrom);
5091          $this->assertEquals($message1id, $conv['messages'][2]->id);
5092          $this->assertEquals($user1->id, $conv['messages'][2]->useridfrom);
5093  
5094          // Test newest last.
5095          $conv = core_message_external::get_conversation(
5096              $user1->id,
5097              $conversationid,
5098              false,
5099              false,
5100              0,
5101              0,
5102              0,
5103              0,
5104              false
5105          );
5106          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5107  
5108          $conv = (array) $conv;
5109          $this->assertCount(3, $conv['messages']);
5110          $this->assertEquals($message3id, $conv['messages'][2]->id);
5111          $this->assertEquals($user1->id, $conv['messages'][2]->useridfrom);
5112          $this->assertEquals($message2id, $conv['messages'][1]->id);
5113          $this->assertEquals($user2->id, $conv['messages'][1]->useridfrom);
5114          $this->assertEquals($message1id, $conv['messages'][0]->id);
5115          $this->assertEquals($user1->id, $conv['messages'][0]->useridfrom);
5116  
5117          // Test message offest and limit.
5118          $conv = core_message_external::get_conversation(
5119              $user1->id,
5120              $conversationid,
5121              false,
5122              false,
5123              0,
5124              0,
5125              1,
5126              1,
5127              true
5128          );
5129          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5130  
5131          $conv = (array) $conv;
5132          $this->assertCount(1, $conv['messages']);
5133          $this->assertEquals($message2id, $conv['messages'][0]->id);
5134          $this->assertEquals($user2->id, $conv['messages'][0]->useridfrom);
5135      }
5136  
5137      /**
5138       * Data provider for test_get_conversation_counts().
5139       */
5140      public function get_conversation_counts_test_cases() {
5141          $typeindividual = \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL;
5142          $typegroup = \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP;
5143          $typeself = \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF;
5144          list($user1, $user2, $user3, $user4, $user5, $user6, $user7, $user8) = [0, 1, 2, 3, 4, 5, 6, 7];
5145          $conversations = [
5146              [
5147                  'type' => $typeindividual,
5148                  'users' => [$user1, $user2],
5149                  'messages' => [$user1, $user2, $user2],
5150                  'favourites' => [$user1],
5151                  'enabled' => null // Individual conversations cannot be disabled.
5152              ],
5153              [
5154                  'type' => $typeindividual,
5155                  'users' => [$user1, $user3],
5156                  'messages' => [$user1, $user3, $user1],
5157                  'favourites' => [],
5158                  'enabled' => null // Individual conversations cannot be disabled.
5159              ],
5160              [
5161                  'type' => $typegroup,
5162                  'users' => [$user1, $user2, $user3, $user4],
5163                  'messages' => [$user1, $user2, $user3, $user4],
5164                  'favourites' => [],
5165                  'enabled' => true
5166              ],
5167              [
5168                  'type' => $typegroup,
5169                  'users' => [$user2, $user3, $user4],
5170                  'messages' => [$user2, $user3, $user4],
5171                  'favourites' => [],
5172                  'enabled' => true
5173              ],
5174              [
5175                  'type' => $typegroup,
5176                  'users' => [$user6, $user7],
5177                  'messages' => [$user6, $user7, $user7],
5178                  'favourites' => [$user6],
5179                  'enabled' => false
5180              ],
5181              [
5182                  'type' => $typeself,
5183                  'users' => [$user8],
5184                  'messages' => [$user8],
5185                  'favourites' => [],
5186                  'enabled' => null // Individual conversations cannot be disabled.
5187              ],
5188          ];
5189  
5190          return [
5191              'No conversations' => [
5192                  'conversationConfigs' => $conversations,
5193                  'deletemessagesuser' => null,
5194                  'deletemessages' => [],
5195                  'arguments' => [$user5],
5196                  'expectedcounts' => ['favourites' => 1, 'types' => [
5197                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5198                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5199                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5200                  ]],
5201                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5202                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5203                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5204                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5205                  ]],
5206                  'deletedusers' => []
5207              ],
5208              'No individual conversations, 2 group conversations' => [
5209                  'conversationConfigs' => $conversations,
5210                  'deletemessagesuser' => null,
5211                  'deletemessages' => [],
5212                  'arguments' => [$user4],
5213                  'expectedcounts' => ['favourites' => 1, 'types' => [
5214                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5215                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5216                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5217                  ]],
5218                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5219                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5220                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5221                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5222                  ]],
5223                  'deletedusers' => []
5224              ],
5225              '2 individual conversations (one favourited), 1 group conversation' => [
5226                  'conversationConfigs' => $conversations,
5227                  'deletemessagesuser' => null,
5228                  'deletemessages' => [],
5229                  'arguments' => [$user1],
5230                  'expectedcounts' => ['favourites' => 2, 'types' => [
5231                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5232                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5233                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5234                  ]],
5235                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5236                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5237                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5238                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5239                  ]],
5240                  'deletedusers' => []
5241              ],
5242              '1 individual conversation, 2 group conversations' => [
5243                  'conversationConfigs' => $conversations,
5244                  'deletemessagesuser' => null,
5245                  'deletemessages' => [],
5246                  'arguments' => [$user2],
5247                  'expectedcounts' => ['favourites' => 1, 'types' => [
5248                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5249                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5250                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5251                  ]],
5252                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5253                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5254                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5255                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5256                  ]],
5257                  'deletedusers' => []
5258              ],
5259              '2 group conversations only' => [
5260                  'conversationConfigs' => $conversations,
5261                  'deletemessagesuser' => null,
5262                  'deletemessages' => [],
5263                  'arguments' => [$user4],
5264                  'expectedcounts' => ['favourites' => 1, 'types' => [
5265                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5266                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5267                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5268                  ]],
5269                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5270                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5271                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5272                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5273                  ]],
5274                  'deletedusers' => []
5275              ],
5276              'All conversation types, delete a message from individual favourited, messages remaining' => [
5277                  'conversationConfigs' => $conversations,
5278                  'deletemessagesuser' => $user1,
5279                  'deletemessages' => [0],
5280                  'arguments' => [$user1],
5281                  'expectedcounts' => ['favourites' => 2, 'types' => [
5282                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5283                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5284                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5285                  ]],
5286                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5287                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5288                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5289                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5290                  ]],
5291                  'deletedusers' => []
5292              ],
5293              'All conversation types, delete a message from individual non-favourited, messages remaining' => [
5294                  'conversationConfigs' => $conversations,
5295                  'deletemessagesuser' => $user1,
5296                  'deletemessages' => [3],
5297                  'arguments' => [$user1],
5298                  'expectedcounts' => ['favourites' => 2, 'types' => [
5299                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5300                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5301                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5302                  ]],
5303                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5304                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5305                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5306                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5307                  ]],
5308                  'deletedusers' => []
5309              ],
5310              'All conversation types, delete all messages from individual favourited, no messages remaining' => [
5311                  'conversationConfigs' => $conversations,
5312                  'deletemessagesuser' => $user1,
5313                  'deletemessages' => [0, 1, 2],
5314                  'arguments' => [$user1],
5315                  'expectedcounts' => ['favourites' => 1, 'types' => [
5316                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5317                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5318                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5319                  ]],
5320                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5321                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5322                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5323                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5324                  ]],
5325                  'deletedusers' => []
5326              ],
5327              'All conversation types, delete all messages from individual non-favourited, no messages remaining' => [
5328                  'conversationConfigs' => $conversations,
5329                  'deletemessagesuser' => $user1,
5330                  'deletemessages' => [3, 4, 5],
5331                  'arguments' => [$user1],
5332                  'expectedcounts' => ['favourites' => 2, 'types' => [
5333                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5334                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5335                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5336                  ]],
5337                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5338                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5339                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5340                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5341                  ]],
5342                  'deletedusers' => []
5343              ],
5344              'All conversation types, delete all messages from individual favourited, no messages remaining, different user' => [
5345                  'conversationConfigs' => $conversations,
5346                  'deletemessagesuser' => $user1,
5347                  'deletemessages' => [0, 1, 2],
5348                  'arguments' => [$user2],
5349                  'expectedcounts' => ['favourites' => 1, 'types' => [
5350                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5351                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5352                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5353                  ]],
5354                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5355                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5356                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5357                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5358                  ]],
5359                  'deletedusers' => []
5360              ],
5361              'All conversation types, delete all messages from individual non-favourited, no messages remaining, different user' => [
5362                  'conversationConfigs' => $conversations,
5363                  'deletemessagesuser' => $user1,
5364                  'deletemessages' => [3, 4, 5],
5365                  'arguments' => [$user3],
5366                  'expectedcounts' => ['favourites' => 1, 'types' => [
5367                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5368                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5369                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5370                  ]],
5371                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5372                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5373                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5374                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5375                  ]],
5376                  'deletedusers' => []
5377              ],
5378              'All conversation types, delete some messages from group non-favourited, messages remaining,' => [
5379                  'conversationConfigs' => $conversations,
5380                  'deletemessagesuser' => $user1,
5381                  'deletemessages' => [6, 7],
5382                  'arguments' => [$user1],
5383                  'expectedcounts' => ['favourites' => 2, 'types' => [
5384                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5385                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5386                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5387                  ]],
5388                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5389                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5390                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5391                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5392                  ]],
5393                  'deletedusers' => []
5394              ],
5395              'All conversation types, delete all messages from group non-favourited, no messages remaining,' => [
5396                  'conversationConfigs' => $conversations,
5397                  'deletemessagesuser' => $user1,
5398                  'deletemessages' => [6, 7, 8, 9],
5399                  'arguments' => [$user1],
5400                  'expectedcounts' => ['favourites' => 2, 'types' => [
5401                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5402                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5403                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5404                  ]],
5405                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5406                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5407                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5408                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5409                  ]],
5410                  'deletedusers' => []
5411              ],
5412              'All conversation types, another user soft deleted' => [
5413                  'conversationConfigs' => $conversations,
5414                  'deletemessagesuser' => null,
5415                  'deletemessages' => [],
5416                  'arguments' => [$user1],
5417                  'expectedcounts' => ['favourites' => 2, 'types' => [
5418                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5419                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5420                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5421                  ]],
5422                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5423                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5424                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5425                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5426                  ]],
5427                  'deletedusers' => [$user2]
5428              ],
5429              'All conversation types, all group users soft deleted' => [
5430                  'conversationConfigs' => $conversations,
5431                  'deletemessagesuser' => null,
5432                  'deletemessages' => [],
5433                  'arguments' => [$user1],
5434                  'expectedcounts' => ['favourites' => 2, 'types' => [
5435                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5436                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5437                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5438                  ]],
5439                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5440                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5441                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5442                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5443                  ]],
5444                  'deletedusers' => [$user2, $user3, $user4]
5445              ],
5446              'Group conversation which is disabled, favourited' => [
5447                  'conversationConfigs' => $conversations,
5448                  'deletemessagesuser' => null,
5449                  'deletemessages' => [],
5450                  'arguments' => [$user6],
5451                  'expectedcounts' => ['favourites' => 1, 'types' => [
5452                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5453                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5454                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5455                  ]],
5456                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5457                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5458                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5459                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5460                  ]],
5461                  'deletedusers' => []
5462              ],
5463              'Group conversation which is disabled, non-favourited' => [
5464                  'conversationConfigs' => $conversations,
5465                  'deletemessagesuser' => null,
5466                  'deletemessages' => [],
5467                  'arguments' => [$user7],
5468                  'expectedcounts' => ['favourites' => 1, 'types' => [
5469                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5470                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5471                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5472                  ]],
5473                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5474                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5475                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5476                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5477                  ]],
5478                  'deletedusers' => []
5479              ],
5480              'Conversation with self' => [
5481                  'conversationConfigs' => $conversations,
5482                  'deletemessagesuser' => null,
5483                  'deletemessages' => [],
5484                  'arguments' => [$user8],
5485                  'expectedcounts' => ['favourites' => 0, 'types' => [
5486                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5487                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5488                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 1
5489                  ]],
5490                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5491                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5492                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5493                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5494                  ]],
5495                  'deletedusers' => []
5496              ],
5497          ];
5498      }
5499  
5500      /**
5501       * Test the get_conversation_counts() function.
5502       *
5503       * @dataProvider get_conversation_counts_test_cases()
5504       * @param array $conversationconfigs Conversations to create
5505       * @param int $deletemessagesuser The user who is deleting the messages
5506       * @param array $deletemessages The list of messages to delete (by index)
5507       * @param array $arguments Arguments for the count conversations function
5508       * @param array $expectedcounts the expected conversation counts
5509       * @param array $expectedunreadcounts the expected unread conversation counts
5510       * @param array $deletedusers the array of users to soft delete.
5511       */
5512      public function test_get_conversation_counts(
5513          $conversationconfigs,
5514          $deletemessagesuser,
5515          $deletemessages,
5516          $arguments,
5517          $expectedcounts,
5518          $expectedunreadcounts,
5519          $deletedusers
5520      ) {
5521          $this->resetAfterTest();
5522          $generator = $this->getDataGenerator();
5523          $users = [
5524              $generator->create_user(),
5525              $generator->create_user(),
5526              $generator->create_user(),
5527              $generator->create_user(),
5528              $generator->create_user(),
5529              $generator->create_user(),
5530              $generator->create_user(),
5531              $generator->create_user()
5532          ];
5533  
5534          $deleteuser = !is_null($deletemessagesuser) ? $users[$deletemessagesuser] : null;
5535          $this->setUser($users[$arguments[0]]);
5536          $arguments[0] = $users[$arguments[0]]->id;
5537          $systemcontext = \context_system::instance();
5538          $conversations = [];
5539          $messageids = [];
5540  
5541          foreach ($conversationconfigs as $config) {
5542              $conversation = \core_message\api::create_conversation(
5543                  $config['type'],
5544                  array_map(function($userindex) use ($users) {
5545                      return $users[$userindex]->id;
5546                  }, $config['users']),
5547                  null,
5548                  ($config['enabled'] ?? true)
5549              );
5550  
5551              foreach ($config['messages'] as $userfromindex) {
5552                  $userfrom = $users[$userfromindex];
5553                  $messageids[] = testhelper::send_fake_message_to_conversation($userfrom, $conversation->id);
5554              }
5555  
5556              // Remove the self conversations created by the generator,
5557              // so we can choose to set that ourself and honour the original intention of the test.
5558              $userids = array_map(function($userindex) use ($users) {
5559                  return $users[$userindex]->id;
5560              }, $config['users']);
5561              foreach ($userids as $userid) {
5562                  if ($conversation->type == \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF) {
5563                      \core_message\api::unset_favourite_conversation($conversation->id, $userid);
5564                  }
5565              }
5566  
5567              foreach ($config['favourites'] as $userfromindex) {
5568                  $userfrom = $users[$userfromindex];
5569                  $usercontext = \context_user::instance($userfrom->id);
5570                  $ufservice = \core_favourites\service_factory::get_service_for_user_context($usercontext);
5571                  $ufservice->create_favourite('core_message', 'message_conversations', $conversation->id, $systemcontext);
5572              }
5573  
5574              $conversations[] = $conversation;
5575          }
5576  
5577          foreach ($deletemessages as $messageindex) {
5578              \core_message\api::delete_message($deleteuser->id, $messageids[$messageindex]);
5579          }
5580  
5581          foreach ($deletedusers as $deleteduser) {
5582              delete_user($users[$deleteduser]);
5583          }
5584  
5585          $counts = core_message_external::get_conversation_counts(...$arguments);
5586          $counts = \external_api::clean_returnvalue(core_message_external::get_conversation_counts_returns(), $counts);
5587  
5588          $this->assertEquals($expectedcounts['favourites'], $counts['favourites']);
5589          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL],
5590              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL]);
5591          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP],
5592              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP]);
5593          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF],
5594              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF]);
5595      }
5596  
5597      /**
5598       * Test the get_unread_conversation_counts() function.
5599       *
5600       * @dataProvider get_conversation_counts_test_cases
5601       * @param array $conversationconfigs Conversations to create
5602       * @param int $deletemessagesuser The user who is deleting the messages
5603       * @param array $deletemessages The list of messages to delete (by index)
5604       * @param array $arguments Arguments for the count conversations function
5605       * @param array $expectedcounts the expected conversation counts
5606       * @param array $expectedunreadcounts the expected unread conversation counts
5607       * @param array $deletedusers the list of users to soft-delete.
5608       */
5609      public function test_get_unread_conversation_counts(
5610          $conversationconfigs,
5611          $deletemessagesuser,
5612          $deletemessages,
5613          $arguments,
5614          $expectedcounts,
5615          $expectedunreadcounts,
5616          $deletedusers
5617      ) {
5618          $this->resetAfterTest();
5619          $generator = $this->getDataGenerator();
5620          $users = [
5621              $generator->create_user(),
5622              $generator->create_user(),
5623              $generator->create_user(),
5624              $generator->create_user(),
5625              $generator->create_user(),
5626              $generator->create_user(),
5627              $generator->create_user(),
5628              $generator->create_user()
5629          ];
5630  
5631          $deleteuser = !is_null($deletemessagesuser) ? $users[$deletemessagesuser] : null;
5632          $this->setUser($users[$arguments[0]]);
5633          $arguments[0] = $users[$arguments[0]]->id;
5634          $systemcontext = \context_system::instance();
5635          $conversations = [];
5636          $messageids = [];
5637  
5638          foreach ($conversationconfigs as $config) {
5639              $conversation = \core_message\api::create_conversation(
5640                  $config['type'],
5641                  array_map(function($userindex) use ($users) {
5642                      return $users[$userindex]->id;
5643                  }, $config['users']),
5644                  null,
5645                  ($config['enabled'] ?? true)
5646              );
5647  
5648              foreach ($config['messages'] as $userfromindex) {
5649                  $userfrom = $users[$userfromindex];
5650                  $messageids[] = testhelper::send_fake_message_to_conversation($userfrom, $conversation->id);
5651              }
5652  
5653              foreach ($config['favourites'] as $userfromindex) {
5654                  $userfrom = $users[$userfromindex];
5655                  $usercontext = \context_user::instance($userfrom->id);
5656                  $ufservice = \core_favourites\service_factory::get_service_for_user_context($usercontext);
5657                  $ufservice->create_favourite('core_message', 'message_conversations', $conversation->id, $systemcontext);
5658              }
5659  
5660              $conversations[] = $conversation;
5661          }
5662  
5663          foreach ($deletemessages as $messageindex) {
5664              \core_message\api::delete_message($deleteuser->id, $messageids[$messageindex]);
5665          }
5666  
5667          foreach ($deletedusers as $deleteduser) {
5668              delete_user($users[$deleteduser]);
5669          }
5670  
5671          $counts = core_message_external::get_unread_conversation_counts(...$arguments);
5672          $counts = \external_api::clean_returnvalue(core_message_external::get_unread_conversation_counts_returns(), $counts);
5673  
5674          $this->assertEquals($expectedunreadcounts['favourites'], $counts['favourites']);
5675          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL],
5676              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL]);
5677          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP],
5678              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP]);
5679          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF],
5680              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF]);
5681      }
5682  
5683      /**
5684       * Test delete_message for all users.
5685       */
5686      public function test_delete_message_for_all_users() {
5687          global $DB;
5688  
5689          $this->resetAfterTest(true);
5690  
5691          // Create fake data to test it.
5692          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5693  
5694          // Send message as user1 to group conversation.
5695          $messageid1 = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5696          $messageid2 = testhelper::send_fake_message_to_conversation($user2, $convgroup->id);
5697  
5698          // User1 deletes the first message for all users of group conversation.
5699          // First, we have to allow user1 (Teacher) can delete messages for all users.
5700          $editingteacher = $DB->get_record('role', ['shortname' => 'editingteacher']);
5701          assign_capability('moodle/site:deleteanymessage', CAP_ALLOW, $editingteacher->id, \context_system::instance());
5702  
5703          $this->setUser($user1);
5704  
5705          // Now, user1 deletes message for all users.
5706          $return = core_message_external::delete_message_for_all_users($messageid1, $user1->id);
5707          $return = \external_api::clean_returnvalue(core_message_external::delete_message_for_all_users_returns(), $return);
5708          // Check if everything is ok.
5709          $this->assertEquals(array(), $return);
5710  
5711          // Check we have 3 records on message_user_actions with the mark MESSAGE_ACTION_DELETED.
5712          $muas = $DB->get_records('message_user_actions', array('messageid' => $messageid1), 'userid ASC');
5713          $this->assertCount(3, $muas);
5714          $mua1 = array_shift($muas);
5715          $mua2 = array_shift($muas);
5716          $mua3 = array_shift($muas);
5717  
5718          $this->assertEquals($user1->id, $mua1->userid);
5719          $this->assertEquals($messageid1, $mua1->messageid);
5720          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
5721          $this->assertEquals($user2->id, $mua2->userid);
5722          $this->assertEquals($messageid1, $mua2->messageid);
5723          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
5724          $this->assertEquals($user3->id, $mua3->userid);
5725          $this->assertEquals($messageid1, $mua3->messageid);
5726          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
5727      }
5728  
5729      /**
5730       * Test delete_message for all users with messaging disabled.
5731       */
5732      public function test_delete_message_for_all_users_messaging_disabled() {
5733          global $CFG;
5734  
5735          $this->resetAfterTest();
5736  
5737          // Create fake data to test it.
5738          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5739  
5740          // Send message as user1 to group conversation.
5741          $messageid = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5742  
5743          $this->setUser($user1);
5744  
5745          // Disable messaging.
5746          $CFG->messaging = 0;
5747  
5748          // Ensure an exception is thrown.
5749          $this->expectException('moodle_exception');
5750          core_message_external::delete_message_for_all_users($messageid, $user1->id);
5751      }
5752  
5753      /**
5754       * Test delete_message for all users with no permission.
5755       */
5756      public function test_delete_message_for_all_users_no_permission() {
5757          $this->resetAfterTest();
5758  
5759          // Create fake data to test it.
5760          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5761  
5762          // Send message as user1 to group conversation.
5763          $messageid = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5764  
5765          $this->setUser($user2);
5766  
5767          // Try as user2 to delete a message for all users without permission to do it.
5768          $this->expectException('moodle_exception');
5769          $this->expectExceptionMessage('You do not have permission to delete this message for everyone.');
5770          core_message_external::delete_message_for_all_users($messageid, $user2->id);
5771      }
5772  
5773      /**
5774       * Test delete_message for all users in a private conversation.
5775       */
5776      public function test_delete_message_for_all_users_private_conversation() {
5777          global $DB;
5778  
5779          $this->resetAfterTest();
5780  
5781          // Create fake data to test it.
5782          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5783  
5784          // Send message as user1 to private conversation.
5785          $messageid = testhelper::send_fake_message_to_conversation($user1, $convindividual->id);
5786  
5787          // First, we have to allow user1 (Teacher) can delete messages for all users.
5788          $editingteacher = $DB->get_record('role', ['shortname' => 'editingteacher']);
5789          assign_capability('moodle/site:deleteanymessage', CAP_ALLOW, $editingteacher->id, \context_system::instance());
5790  
5791          $this->setUser($user1);
5792  
5793          // Try as user1 to delete a private message for all users on individual conversation.
5794          // User1 should not delete message for all users in a private conversations despite being a teacher.
5795          // Because is a teacher in a course and not in a system context.
5796          $this->expectException('moodle_exception');
5797          $this->expectExceptionMessage('You do not have permission to delete this message for everyone.');
5798          core_message_external::delete_message_for_all_users($messageid, $user1->id);
5799      }
5800  
5801      /**
5802       * Test retrieving conversation messages by providing a timefrom higher than last message timecreated. It should return no
5803       * messages but keep the return structure to not break when called from the ws.
5804       */
5805      public function test_get_conversation_messages_timefrom_higher_than_last_timecreated() {
5806          $this->resetAfterTest(true);
5807  
5808          // Create some users.
5809          $user1 = self::getDataGenerator()->create_user();
5810          $user2 = self::getDataGenerator()->create_user();
5811          $user3 = self::getDataGenerator()->create_user();
5812          $user4 = self::getDataGenerator()->create_user();
5813  
5814          // Create group conversation.
5815          $conversation = \core_message\api::create_conversation(
5816              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
5817              [$user1->id, $user2->id, $user3->id, $user4->id]
5818          );
5819  
5820          // The person asking for the messages for another user.
5821          $this->setUser($user1);
5822  
5823          // Send some messages back and forth.
5824          $time = 1;
5825          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 1', $time + 1);
5826          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 2', $time + 2);
5827          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 3', $time + 3);
5828          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Message 4', $time + 4);
5829  
5830          // Retrieve the messages.
5831          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id, 0, 0, '', $time + 5);
5832  
5833          // We need to execute the return values cleaning process to simulate the web service server.
5834          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(), $result);
5835  
5836          // Check the results are correct.
5837          $this->assertEquals($conversation->id, $result['id']);
5838  
5839          // Confirm the message data is correct.
5840          $messages = $result['messages'];
5841          $this->assertEquals(0, count($messages));
5842  
5843          // Confirm that members key is present.
5844          $this->assertArrayHasKey('members', $result);
5845      }
5846  
5847      /**
5848       * Helper to seed the database with initial state with data.
5849       */
5850      protected function create_delete_message_test_data() {
5851          // Create some users.
5852          $user1 = self::getDataGenerator()->create_user();
5853          $user2 = self::getDataGenerator()->create_user();
5854          $user3 = self::getDataGenerator()->create_user();
5855  
5856          // Create a course and enrol the users.
5857          $course = $this->getDataGenerator()->create_course();
5858          $coursecontext = \context_course::instance($course->id);
5859          $this->getDataGenerator()->enrol_user($user1->id, $course->id, 'editingteacher');
5860          $this->getDataGenerator()->enrol_user($user2->id, $course->id, 'student');
5861          $this->getDataGenerator()->enrol_user($user3->id, $course->id, 'student');
5862  
5863          // Create a group and added the users into.
5864          $group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
5865          groups_add_member($group1->id, $user1->id);
5866          groups_add_member($group1->id, $user2->id);
5867          groups_add_member($group1->id, $user3->id);
5868  
5869          // Create a group conversation linked with the course.
5870          $convgroup = \core_message\api::create_conversation(
5871              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
5872              [$user1->id, $user2->id, $user3->id],
5873              'Group test delete for everyone', \core_message\api::MESSAGE_CONVERSATION_ENABLED,
5874              'core_group',
5875              'groups',
5876              $group1->id,
5877              \context_course::instance($course->id)->id
5878          );
5879  
5880          // Create and individual conversation.
5881          $convindividual = \core_message\api::create_conversation(
5882              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5883              [$user1->id, $user2->id]
5884          );
5885  
5886          return [$user1, $user2, $user3, $convgroup, $convindividual];
5887      }
5888  }