Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

Differences Between: [Versions 310 and 400] [Versions 311 and 400] [Versions 39 and 400] [Versions 400 and 401] [Versions 400 and 402] [Versions 400 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          $eventdata = new \core\message\message();
1441          $eventdata->courseid         = $course->id;
1442          $eventdata->name             = 'submission';
1443          $eventdata->component        = 'mod_feedback';
1444          $eventdata->userfrom         = $user1;
1445          $eventdata->userto           = $user2;
1446          $eventdata->subject          = 'Feedback submitted';
1447          $eventdata->fullmessage      = 'Feedback submitted from an user';
1448          $eventdata->fullmessageformat = FORMAT_PLAIN;
1449          $eventdata->fullmessagehtml  = '<strong>Feedback submitted</strong>';
1450          $eventdata->smallmessage     = '';
1451          $eventdata->customdata         = ['datakey' => 'data'];
1452          message_send($eventdata);
1453  
1454          $this->setUser($user1);
1455          // Get unread notifications from any user to user1.
1456          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1457          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1458          $this->assertCount(3, $messages['messages']);
1459  
1460          // Get one unread notifications from any user to user1.
1461          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_UNREAD, true, 0, 1);
1462          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1463          $this->assertCount(1, $messages['messages']);
1464  
1465          // Get read notifications from any user to user1.
1466          $messages = core_message_external::get_messages($user1->id, 0, 'notifications', MESSAGE_GET_READ, true, 0, 0);
1467          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1468          $this->assertCount(0, $messages['messages']);
1469  
1470          // Get unread both type of messages from any user to user1.
1471          $messages = core_message_external::get_messages($user1->id, 0, 'both', MESSAGE_GET_UNREAD, true, 0, 0);
1472          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1473          $this->assertCount(4, $messages['messages']);
1474  
1475          // Get unread notifications from no-reply-user to user1.
1476          $messages = core_message_external::get_messages($user1->id, $userfrom->id, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1477          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1478          $this->assertCount(1, $messages['messages']);
1479  
1480          // Get notifications send by user1 to any user.
1481          $messages = core_message_external::get_messages(0, $user1->id, 'notifications', MESSAGE_GET_UNREAD, true, 0, 0);
1482          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1483          $this->assertCount(1, $messages['messages']);
1484          // Check we receive custom data as a unserialisable json.
1485          $this->assertObjectHasAttribute('datakey', json_decode($messages['messages'][0]['customdata']));
1486          $this->assertEquals('mod_feedback', $messages['messages'][0]['component']);
1487          $this->assertEquals('submission', $messages['messages'][0]['eventtype']);
1488          $feedbackicon = clean_param($PAGE->get_renderer('core')->image_url('monologo', 'mod_feedback')->out(), PARAM_URL);
1489          $this->assertEquals($feedbackicon, $messages['messages'][0]['iconurl']);
1490  
1491          // Test warnings.
1492          $CFG->messaging = 0;
1493  
1494          $messages = core_message_external::get_messages(0, $user1->id, 'both', MESSAGE_GET_UNREAD, true, 0, 0);
1495          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1496          $this->assertCount(1, $messages['warnings']);
1497  
1498          // Test exceptions.
1499  
1500          // Messaging disabled.
1501          try {
1502              $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1503              $this->fail('Exception expected due messaging disabled.');
1504          } catch (\moodle_exception $e) {
1505              $this->assertEquals('disabled', $e->errorcode);
1506          }
1507  
1508          $CFG->messaging = 1;
1509  
1510          // Invalid users.
1511          try {
1512              $messages = core_message_external::get_messages(0, 0, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1513              $this->fail('Exception expected due invalid users.');
1514          } catch (\moodle_exception $e) {
1515              $this->assertEquals('accessdenied', $e->errorcode);
1516          }
1517  
1518          // Invalid user ids.
1519          try {
1520              $messages = core_message_external::get_messages(2500, 0, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1521              $this->fail('Exception expected due invalid users.');
1522          } catch (\moodle_exception $e) {
1523              $this->assertEquals('invaliduser', $e->errorcode);
1524          }
1525  
1526          // Invalid users (permissions).
1527          $this->setUser($user2);
1528          try {
1529              $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, true, 0, 0);
1530              $this->fail('Exception expected due invalid user.');
1531          } catch (\moodle_exception $e) {
1532              $this->assertEquals('accessdenied', $e->errorcode);
1533          }
1534  
1535      }
1536  
1537      /**
1538       * Test get_messages where we want all messages from a user, sent to any user.
1539       */
1540      public function test_get_messages_useridto_all() {
1541          $this->resetAfterTest(true);
1542  
1543          $user1 = self::getDataGenerator()->create_user();
1544          $user2 = self::getDataGenerator()->create_user();
1545          $user3 = self::getDataGenerator()->create_user();
1546  
1547          $this->setUser($user1);
1548  
1549          // Send a message from user 1 to two other users.
1550          $this->send_message($user1, $user2, 'some random text 1', 0, 1);
1551          $this->send_message($user1, $user3, 'some random text 2', 0, 2);
1552  
1553          // Get messages sent from user 1.
1554          $messages = core_message_external::get_messages(0, $user1->id, 'conversations', MESSAGE_GET_UNREAD, false, 0, 0);
1555          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1556  
1557          // Confirm the data is correct.
1558          $messages = $messages['messages'];
1559          $this->assertCount(2, $messages);
1560  
1561          $message1 = array_shift($messages);
1562          $message2 = array_shift($messages);
1563  
1564          $this->assertEquals($user1->id, $message1['useridfrom']);
1565          $this->assertEquals($user2->id, $message1['useridto']);
1566  
1567          $this->assertEquals($user1->id, $message2['useridfrom']);
1568          $this->assertEquals($user3->id, $message2['useridto']);
1569      }
1570  
1571      /**
1572       * Test get_messages where we want all messages to a user, sent by any user.
1573       */
1574      public function test_get_messages_useridfrom_all() {
1575          $this->resetAfterTest();
1576  
1577          $user1 = self::getDataGenerator()->create_user();
1578          $user2 = self::getDataGenerator()->create_user();
1579          $user3 = self::getDataGenerator()->create_user();
1580  
1581          $this->setUser($user1);
1582  
1583          // Send a message to user 1 from two other users.
1584          $this->send_message($user2, $user1, 'some random text 1', 0, 1);
1585          $this->send_message($user3, $user1, 'some random text 2', 0, 2);
1586  
1587          // Get messages sent to user 1.
1588          $messages = core_message_external::get_messages($user1->id, 0, 'conversations', MESSAGE_GET_UNREAD, false, 0, 0);
1589          $messages = \external_api::clean_returnvalue(core_message_external::get_messages_returns(), $messages);
1590  
1591          // Confirm the data is correct.
1592          $messages = $messages['messages'];
1593          $this->assertCount(2, $messages);
1594  
1595          $message1 = array_shift($messages);
1596          $message2 = array_shift($messages);
1597  
1598          $this->assertEquals($user2->id, $message1['useridfrom']);
1599          $this->assertEquals($user1->id, $message1['useridto']);
1600  
1601          $this->assertEquals($user3->id, $message2['useridfrom']);
1602          $this->assertEquals($user1->id, $message2['useridto']);
1603      }
1604  
1605      /**
1606       * Test get_blocked_users.
1607       */
1608      public function test_get_blocked_users() {
1609          $this->resetAfterTest(true);
1610  
1611          $user1 = self::getDataGenerator()->create_user();
1612          $userstranger = self::getDataGenerator()->create_user();
1613          $useroffline1 = self::getDataGenerator()->create_user();
1614          $useroffline2 = self::getDataGenerator()->create_user();
1615          $userblocked = self::getDataGenerator()->create_user();
1616  
1617          // Login as user1.
1618          $this->setUser($user1);
1619  
1620          \core_message\api::add_contact($user1->id, $useroffline1->id);
1621          \core_message\api::add_contact($user1->id, $useroffline2->id);
1622  
1623          // The userstranger sends a couple of messages to user1.
1624          $this->send_message($userstranger, $user1, 'Hello there!');
1625          $this->send_message($userstranger, $user1, 'How you goin?');
1626  
1627          // The userblocked sends a message to user1.
1628          // Note that this user is not blocked at this point.
1629          $this->send_message($userblocked, $user1, 'Here, have some spam.');
1630  
1631          // Retrieve the list of blocked users.
1632          $this->setUser($user1);
1633          $blockedusers = core_message_external::get_blocked_users($user1->id);
1634          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1635          $this->assertCount(0, $blockedusers['users']);
1636  
1637          // Block the $userblocked and retrieve again the list.
1638          \core_message\api::block_user($user1->id, $userblocked->id);
1639          $blockedusers = core_message_external::get_blocked_users($user1->id);
1640          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1641          $this->assertCount(1, $blockedusers['users']);
1642  
1643          // Remove the $userblocked and check that the list now is empty.
1644          delete_user($userblocked);
1645          $blockedusers = core_message_external::get_blocked_users($user1->id);
1646          $blockedusers = \external_api::clean_returnvalue(core_message_external::get_blocked_users_returns(), $blockedusers);
1647          $this->assertCount(0, $blockedusers['users']);
1648      }
1649  
1650      /**
1651       * Test mark_message_read.
1652       */
1653      public function test_mark_message_read() {
1654          $this->resetAfterTest(true);
1655  
1656          $user1 = self::getDataGenerator()->create_user();
1657          $user2 = self::getDataGenerator()->create_user();
1658          $user3 = self::getDataGenerator()->create_user();
1659  
1660          // Login as user1.
1661          $this->setUser($user1);
1662          \core_message\api::add_contact($user1->id, $user2->id);
1663          \core_message\api::add_contact($user1->id, $user3->id);
1664  
1665          // The user2 sends a couple of messages to user1.
1666          $this->send_message($user2, $user1, 'Hello there!');
1667          $this->send_message($user2, $user1, 'How you goin?');
1668          $this->send_message($user3, $user1, 'How you goin?');
1669          $this->send_message($user3, $user2, 'How you goin?');
1670  
1671          // Retrieve all messages sent by user2 (they are currently unread).
1672          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_UNREAD);
1673  
1674          $messageids = array();
1675          foreach ($lastmessages as $m) {
1676              $messageid = core_message_external::mark_message_read($m->id, time());
1677              $messageids[] = \external_api::clean_returnvalue(core_message_external::mark_message_read_returns(), $messageid);
1678          }
1679  
1680          // Retrieve all messages sent (they are currently read).
1681          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_READ);
1682          $this->assertCount(2, $lastmessages);
1683          $this->assertArrayHasKey($messageids[0]['messageid'], $lastmessages);
1684          $this->assertArrayHasKey($messageids[1]['messageid'], $lastmessages);
1685  
1686          // Retrieve all messages sent by any user (that are currently unread).
1687          $lastmessages = message_get_messages($user1->id, 0, 0, MESSAGE_GET_UNREAD);
1688          $this->assertCount(1, $lastmessages);
1689  
1690          // Invalid message ids.
1691          try {
1692              $messageid = core_message_external::mark_message_read(1337, time());
1693              $this->fail('Exception expected due invalid messageid.');
1694          } catch (\dml_missing_record_exception $e) {
1695              $this->assertEquals('invalidrecordunknown', $e->errorcode);
1696          }
1697  
1698          // A message to a different user.
1699          $lastmessages = message_get_messages($user2->id, $user3->id, 0, MESSAGE_GET_UNREAD);
1700          $messageid = array_pop($lastmessages)->id;
1701          try {
1702              $messageid = core_message_external::mark_message_read($messageid, time());
1703              $this->fail('Exception expected due invalid messageid.');
1704          } catch (\invalid_parameter_exception $e) {
1705              $this->assertEquals('invalidparameter', $e->errorcode);
1706          }
1707      }
1708  
1709      /**
1710       * Test mark_notification_read.
1711       */
1712      public function test_mark_notification_read() {
1713          $this->resetAfterTest(true);
1714  
1715          $user1 = self::getDataGenerator()->create_user();
1716          $user2 = self::getDataGenerator()->create_user();
1717          $user3 = self::getDataGenerator()->create_user();
1718  
1719          // Login as user1.
1720          $this->setUser($user1);
1721          \core_message\api::add_contact($user1->id, $user2->id);
1722          \core_message\api::add_contact($user1->id, $user3->id);
1723  
1724          // The user2 sends a couple of notifications to user1.
1725          $this->send_message($user2, $user1, 'Hello there!', 1);
1726          $this->send_message($user2, $user1, 'How you goin?', 1);
1727          $this->send_message($user3, $user1, 'How you goin?', 1);
1728          $this->send_message($user3, $user2, 'How you goin?', 1);
1729  
1730          // Retrieve all notifications sent by user2 (they are currently unread).
1731          $lastnotifications = message_get_messages($user1->id, $user2->id, 1, MESSAGE_GET_UNREAD);
1732  
1733          $notificationids = array();
1734          foreach ($lastnotifications as $n) {
1735              $notificationid = core_message_external::mark_notification_read($n->id, time());
1736              $notificationids[] = \external_api::clean_returnvalue(core_message_external::mark_notification_read_returns(),
1737                  $notificationid);
1738          }
1739  
1740          // Retrieve all notifications sent (they are currently read).
1741          $lastnotifications = message_get_messages($user1->id, $user2->id, 1, MESSAGE_GET_READ);
1742          $this->assertCount(2, $lastnotifications);
1743          $this->assertArrayHasKey($notificationids[1]['notificationid'], $lastnotifications);
1744          $this->assertArrayHasKey($notificationids[0]['notificationid'], $lastnotifications);
1745  
1746          // Retrieve all notifications sent by any user (that are currently unread).
1747          $lastnotifications = message_get_messages($user1->id, 0, 1, MESSAGE_GET_UNREAD);
1748          $this->assertCount(1, $lastnotifications);
1749  
1750          // Invalid notification ids.
1751          try {
1752              $notificationid = core_message_external::mark_notification_read(1337, time());
1753              $this->fail('Exception expected due invalid notificationid.');
1754          } catch (\dml_missing_record_exception $e) {
1755              $this->assertEquals('invalidrecord', $e->errorcode);
1756          }
1757  
1758          // A notification to a different user.
1759          $lastnotifications = message_get_messages($user2->id, $user3->id, 1, MESSAGE_GET_UNREAD);
1760          $notificationid = array_pop($lastnotifications)->id;
1761          try {
1762              $notificationid = core_message_external::mark_notification_read($notificationid, time());
1763              $this->fail('Exception expected due invalid notificationid.');
1764          } catch (\invalid_parameter_exception $e) {
1765              $this->assertEquals('invalidparameter', $e->errorcode);
1766          }
1767      }
1768  
1769      /**
1770       * Test delete_message.
1771       */
1772      public function test_delete_message() {
1773          global $DB;
1774          $this->resetAfterTest(true);
1775  
1776          $user1 = self::getDataGenerator()->create_user();
1777          $user2 = self::getDataGenerator()->create_user();
1778          $user3 = self::getDataGenerator()->create_user();
1779          $user4 = self::getDataGenerator()->create_user();
1780  
1781          // Login as user1.
1782          $this->setUser($user1);
1783          \core_message\api::add_contact($user1->id, $user2->id);
1784          \core_message\api::add_contact($user1->id, $user3->id);
1785  
1786          // User user1 does not interchange messages with user3.
1787          $m1to2 = message_post_message($user1, $user2, 'some random text 1', FORMAT_MOODLE);
1788          $m2to3 = message_post_message($user2, $user3, 'some random text 3', FORMAT_MOODLE);
1789          $m3to2 = message_post_message($user3, $user2, 'some random text 4', FORMAT_MOODLE);
1790          $m3to4 = message_post_message($user3, $user4, 'some random text 4', FORMAT_MOODLE);
1791  
1792          // Retrieve all messages sent by user2 (they are currently unread).
1793          $lastmessages = message_get_messages($user1->id, $user2->id, 0, MESSAGE_GET_UNREAD);
1794  
1795          // Delete a message not read, as a user from.
1796          $result = core_message_external::delete_message($m1to2, $user1->id, false);
1797          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1798          $this->assertTrue($result['status']);
1799          $this->assertCount(0, $result['warnings']);
1800          $mua = $DB->get_record('message_user_actions', array('messageid' => $m1to2, 'userid' => $user1->id));
1801          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua->action);
1802  
1803          // Try to delete the same message again.
1804          $result = core_message_external::delete_message($m1to2, $user1->id, false);
1805          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1806          $this->assertFalse($result['status']);
1807  
1808          // Try to delete a message that does not belong to me.
1809          try {
1810              $messageid = core_message_external::delete_message($m2to3, $user3->id, false);
1811              $this->fail('Exception expected due invalid messageid.');
1812          } catch (\moodle_exception $e) {
1813              $this->assertEquals('You do not have permission to delete this message', $e->errorcode);
1814          }
1815  
1816          $this->setUser($user3);
1817          // Delete a message not read, as a user to.
1818          $result = core_message_external::delete_message($m2to3, $user3->id, false);
1819          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1820          $this->assertTrue($result['status']);
1821          $this->assertCount(0, $result['warnings']);
1822          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m2to3, 'userid' => $user3->id,
1823              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1824  
1825          // Delete a message read.
1826          $message = $DB->get_record('messages', ['id' => $m3to2]);
1827          \core_message\api::mark_message_as_read($user3->id, $message, time());
1828          $result = core_message_external::delete_message($m3to2, $user3->id);
1829          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1830          $this->assertTrue($result['status']);
1831          $this->assertCount(0, $result['warnings']);
1832          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m3to2, 'userid' => $user3->id,
1833              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1834  
1835          // Invalid message ids.
1836          try {
1837              $result = core_message_external::delete_message(-1, $user1->id);
1838              $this->fail('Exception expected due invalid messageid.');
1839          } catch (\dml_missing_record_exception $e) {
1840              $this->assertEquals('invalidrecord', $e->errorcode);
1841          }
1842  
1843          // Invalid user.
1844          try {
1845              $result = core_message_external::delete_message($m1to2, -1, false);
1846              $this->fail('Exception expected due invalid user.');
1847          } catch (\moodle_exception $e) {
1848              $this->assertEquals('invaliduser', $e->errorcode);
1849          }
1850  
1851          // Not active user.
1852          delete_user($user2);
1853          try {
1854              $result = core_message_external::delete_message($m1to2, $user2->id, false);
1855              $this->fail('Exception expected due invalid user.');
1856          } catch (\moodle_exception $e) {
1857              $this->assertEquals('userdeleted', $e->errorcode);
1858          }
1859  
1860          // Now, as an admin, try to delete any message.
1861          $this->setAdminUser();
1862          $result = core_message_external::delete_message($m3to4, $user4->id, false);
1863          $result = \external_api::clean_returnvalue(core_message_external::delete_message_returns(), $result);
1864          $this->assertTrue($result['status']);
1865          $this->assertCount(0, $result['warnings']);
1866          $this->assertTrue($DB->record_exists('message_user_actions', array('messageid' => $m3to4, 'userid' => $user4->id,
1867              'action' => \core_message\api::MESSAGE_ACTION_DELETED)));
1868  
1869      }
1870  
1871      public function test_mark_all_notifications_as_read_invalid_user_exception() {
1872          $this->resetAfterTest(true);
1873  
1874          $this->expectException('moodle_exception');
1875          core_message_external::mark_all_notifications_as_read(-2132131, 0);
1876      }
1877  
1878      public function test_mark_all_notifications_as_read_access_denied_exception() {
1879          $this->resetAfterTest(true);
1880  
1881          $sender = $this->getDataGenerator()->create_user();
1882          $user = $this->getDataGenerator()->create_user();
1883  
1884          $this->setUser($user);
1885          $this->expectException('moodle_exception');
1886          core_message_external::mark_all_notifications_as_read($sender->id, 0);
1887      }
1888  
1889      public function test_mark_all_notifications_as_read_missing_from_user_exception() {
1890          $this->resetAfterTest(true);
1891  
1892          $sender = $this->getDataGenerator()->create_user();
1893  
1894          $this->setUser($sender);
1895          $this->expectException('moodle_exception');
1896          core_message_external::mark_all_notifications_as_read($sender->id, 99999);
1897      }
1898  
1899      public function test_mark_all_notifications_as_read() {
1900          global $DB;
1901  
1902          $this->resetAfterTest(true);
1903  
1904          $sender1 = $this->getDataGenerator()->create_user();
1905          $sender2 = $this->getDataGenerator()->create_user();
1906          $sender3 = $this->getDataGenerator()->create_user();
1907          $recipient = $this->getDataGenerator()->create_user();
1908  
1909          $this->setUser($recipient);
1910  
1911          $this->send_message($sender1, $recipient, 'Notification', 1);
1912          $this->send_message($sender1, $recipient, 'Notification', 1);
1913          $this->send_message($sender2, $recipient, 'Notification', 1);
1914          $this->send_message($sender2, $recipient, 'Notification', 1);
1915          $this->send_message($sender3, $recipient, 'Notification', 1);
1916          $this->send_message($sender3, $recipient, 'Notification', 1);
1917  
1918          core_message_external::mark_all_notifications_as_read($recipient->id, $sender1->id);
1919          $readnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', [$recipient->id]);
1920          $unreadnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NULL', [$recipient->id]);
1921  
1922          $this->assertCount(2, $readnotifications);
1923          $this->assertCount(4, $unreadnotifications);
1924  
1925          core_message_external::mark_all_notifications_as_read($recipient->id, 0);
1926          $readnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', [$recipient->id]);
1927          $unreadnotifications = $DB->get_records_select('notifications', 'useridto = ? AND timeread IS NULL', [$recipient->id]);
1928  
1929          $this->assertCount(6, $readnotifications);
1930          $this->assertCount(0, $unreadnotifications);
1931      }
1932  
1933      public function test_mark_all_notifications_as_read_time_created_to() {
1934          global $DB;
1935  
1936          $this->resetAfterTest(true);
1937  
1938          $sender1 = $this->getDataGenerator()->create_user();
1939          $sender2 = $this->getDataGenerator()->create_user();
1940  
1941          $recipient = $this->getDataGenerator()->create_user();
1942          $this->setUser($recipient);
1943  
1944          // Record messages as sent on one second intervals.
1945          $time = time();
1946  
1947          $this->send_message($sender1, $recipient, 'Message 1', 1, $time);
1948          $this->send_message($sender2, $recipient, 'Message 2', 1, $time + 1);
1949          $this->send_message($sender1, $recipient, 'Message 3', 1, $time + 2);
1950          $this->send_message($sender2, $recipient, 'Message 4', 1, $time + 3);
1951  
1952          // Mark notifications sent from sender1 up until the second message; should only mark the first notification as read.
1953          core_message_external::mark_all_notifications_as_read($recipient->id, $sender1->id, $time + 1);
1954  
1955          $params = [$recipient->id];
1956  
1957          $this->assertEquals(1, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1958          $this->assertEquals(3, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1959  
1960          // Mark all notifications as read from any sender up to the time the third message was sent.
1961          core_message_external::mark_all_notifications_as_read($recipient->id, 0, $time + 2);
1962  
1963          $this->assertEquals(3, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1964          $this->assertEquals(1, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1965  
1966          // Mark all notifications as read from any sender with a time after all messages were sent.
1967          core_message_external::mark_all_notifications_as_read($recipient->id, 0, $time + 10);
1968  
1969          $this->assertEquals(4, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NOT NULL', $params));
1970          $this->assertEquals(0, $DB->count_records_select('notifications', 'useridto = ? AND timeread IS NULL', $params));
1971      }
1972  
1973      /**
1974       * Test get_user_notification_preferences
1975       */
1976      public function test_get_user_notification_preferences() {
1977          $this->resetAfterTest(true);
1978  
1979          $user = self::getDataGenerator()->create_user();
1980          $this->setUser($user);
1981  
1982          // Set a couple of preferences to test.
1983          set_user_preference('message_provider_mod_assign_assign_notification_enabled', 'popup', $user);
1984  
1985          $prefs = core_message_external::get_user_notification_preferences();
1986          $prefs = \external_api::clean_returnvalue(core_message_external::get_user_notification_preferences_returns(), $prefs);
1987          // Check processors.
1988          $this->assertGreaterThanOrEqual(2, count($prefs['preferences']['processors']));
1989          $this->assertEquals($user->id, $prefs['preferences']['userid']);
1990  
1991          // Check components.
1992          $this->assertGreaterThanOrEqual(8, count($prefs['preferences']['components']));
1993  
1994          // Check some preferences that we previously set.
1995          $found = 0;
1996          foreach ($prefs['preferences']['components'] as $component) {
1997              foreach ($component['notifications'] as $prefdata) {
1998                  if ($prefdata['preferencekey'] != 'message_provider_mod_assign_assign_notification') {
1999                      continue;
2000                  }
2001                  foreach ($prefdata['processors'] as $processor) {
2002                      if ($processor['name'] == 'popup') {
2003                          $this->assertTrue($processor['enabled']);
2004                          $found = 1;
2005                      }
2006                  }
2007              }
2008          }
2009          $this->assertEquals(1, $found);
2010      }
2011  
2012      /**
2013       * Test get_user_notification_preferences permissions
2014       */
2015      public function test_get_user_notification_preferences_permissions() {
2016          $this->resetAfterTest(true);
2017  
2018          $user = self::getDataGenerator()->create_user();
2019          $otheruser = self::getDataGenerator()->create_user();
2020          $this->setUser($user);
2021  
2022          $this->expectException('moodle_exception');
2023          $prefs = core_message_external::get_user_notification_preferences($otheruser->id);
2024      }
2025  
2026      /**
2027       * Tests searching for users when site-wide messaging is disabled.
2028       *
2029       * This test verifies that any contacts are returned, as well as any non-contacts whose profile we can view.
2030       * If checks this by placing some users in the same course, where default caps would permit a user to view another user's
2031       * profile.
2032       */
2033      public function test_message_search_users_messagingallusers_disabled() {
2034          global $DB;
2035          $this->resetAfterTest();
2036  
2037          // Create some users.
2038          $users = [];
2039          foreach (range(1, 8) as $i) {
2040              $user = new \stdClass();
2041              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2042              $user->lastname = $i;
2043              $user = $this->getDataGenerator()->create_user($user);
2044              $users[$i] = $user;
2045          }
2046  
2047          // Enrol a few users in the same course, but leave them as non-contacts.
2048          $course1 = $this->getDataGenerator()->create_course();
2049          $course2 = $this->getDataGenerator()->create_course();
2050  
2051          $this->setAdminUser();
2052          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2053          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2054          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2055  
2056          // Add some other users as contacts.
2057          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2058          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2059          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2060  
2061          // Enrol a user as a teacher in the course, and make the teacher role a course contact role.
2062          $this->getDataGenerator()->enrol_user($users[8]->id, $course2->id, 'editingteacher');
2063          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
2064          set_config('coursecontact', $teacherrole->id);
2065  
2066          // Create individual conversations between some users, one contact and one non-contact.
2067          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2068              [$users[1]->id, $users[2]->id]);
2069          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2070              [$users[6]->id, $users[1]->id]);
2071  
2072          // Create a group conversation between 4 users, including a contact and a non-contact.
2073          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2074              [$users[1]->id, $users[2]->id, $users[4]->id, $users[7]->id], 'Project chat');
2075  
2076          // Set as the user performing the search.
2077          $this->setUser($users[1]);
2078  
2079          // Perform a search with $CFG->messagingallusers disabled.
2080          set_config('messagingallusers', 0);
2081          $result = core_message_external::message_search_users($users[1]->id, 'search');
2082          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2083  
2084          // Confirm that we returns contacts and non-contacts.
2085          $this->assertArrayHasKey('contacts', $result);
2086          $this->assertArrayHasKey('noncontacts', $result);
2087          $contacts = $result['contacts'];
2088          $noncontacts = $result['noncontacts'];
2089  
2090          // Check that we retrieved the correct contacts.
2091          $this->assertCount(2, $contacts);
2092          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2093          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2094  
2095          // Verify the correct conversations were returned for the contacts.
2096          $this->assertCount(2, $contacts[0]['conversations']);
2097          // We can't rely on the ordering of conversations within the results, so sort by id first.
2098          usort($contacts[0]['conversations'], function($a, $b) {
2099              return $b['id'] <=> $a['id'];
2100          });
2101          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $contacts[0]['conversations'][0]['type']);
2102          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $contacts[0]['conversations'][1]['type']);
2103  
2104          $this->assertCount(0, $contacts[1]['conversations']);
2105  
2106          // Check that we retrieved the correct non-contacts.
2107          // When site wide messaging is disabled, we expect to see only those users who we share a course with and whose profiles
2108          // are visible in that course. This excludes users like course contacts.
2109          $this->assertCount(3, $noncontacts);
2110          // Self-conversation first.
2111          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2112          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2113          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2114  
2115          // Verify the correct conversations were returned for the non-contacts.
2116          $this->assertCount(1, $noncontacts[1]['conversations']);
2117          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $noncontacts[1]['conversations'][0]['type']);
2118  
2119          $this->assertCount(1, $noncontacts[2]['conversations']);
2120          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $noncontacts[2]['conversations'][0]['type']);
2121      }
2122  
2123      /**
2124       * Tests searching for users when site-wide messaging is enabled.
2125       *
2126       * This test verifies that any contacts are returned, as well as any non-contacts, regardless of whether the searching user
2127       * can view their respective profile.
2128       */
2129      public function test_message_search_users_messagingallusers_enabled() {
2130          global $DB;
2131          $this->resetAfterTest();
2132  
2133          // Create some users.
2134          $users = [];
2135          foreach (range(1, 9) as $i) {
2136              $user = new \stdClass();
2137              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2138              $user->lastname = $i;
2139              $user = $this->getDataGenerator()->create_user($user);
2140              $users[$i] = $user;
2141          }
2142  
2143          // Enrol a few users in the same course, but leave them as non-contacts.
2144          $course1 = $this->getDataGenerator()->create_course();
2145          $course2 = $this->getDataGenerator()->create_course();
2146  
2147          $this->setAdminUser();
2148          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2149          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2150          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2151  
2152          // Add some other users as contacts.
2153          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2154          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2155          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2156  
2157          // Enrol a user as a teacher in the course, and make the teacher role a course contact role.
2158          $this->getDataGenerator()->enrol_user($users[9]->id, $course2->id, 'editingteacher');
2159          $teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));
2160          set_config('coursecontact', $teacherrole->id);
2161  
2162          // Create individual conversations between some users, one contact and one non-contact.
2163          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2164              [$users[1]->id, $users[2]->id]);
2165          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
2166              [$users[6]->id, $users[1]->id]);
2167  
2168          // Create a group conversation between 5 users, including a contact and a non-contact, and a user NOT in a shared course.
2169          \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2170              [$users[1]->id, $users[2]->id, $users[4]->id, $users[7]->id, $users[8]->id], 'Project chat');
2171  
2172          // Set as the user performing the search.
2173          $this->setUser($users[1]);
2174  
2175          // Perform a search with $CFG->messagingallusers enabled.
2176          set_config('messagingallusers', 1);
2177          $result = core_message_external::message_search_users($users[1]->id, 'search');
2178          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2179  
2180          // Confirm that we returns contacts and non-contacts.
2181          $this->assertArrayHasKey('contacts', $result);
2182          $this->assertArrayHasKey('noncontacts', $result);
2183          $contacts = $result['contacts'];
2184          $noncontacts = $result['noncontacts'];
2185  
2186          // Check that we retrieved the correct contacts.
2187          $this->assertCount(2, $contacts);
2188          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2189          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2190  
2191          // Verify the correct conversations were returned for the contacts.
2192          $this->assertCount(2, $contacts[0]['conversations']);
2193          // We can't rely on the ordering of conversations within the results, so sort by id first.
2194          usort($contacts[0]['conversations'], function($a, $b) {
2195              return $b['id'] <=> $a['id'];
2196          });
2197          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $contacts[0]['conversations'][0]['type']);
2198          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $contacts[0]['conversations'][1]['type']);
2199  
2200          $this->assertCount(0, $contacts[1]['conversations']);
2201  
2202          // Check that we retrieved the correct non-contacts.
2203          // If site wide messaging is enabled, we expect to be able to search for any users whose profiles we can view.
2204          // In this case, as a student, that's the course contact for course2 and those noncontacts sharing a course with user1.
2205          $this->assertCount(4, $noncontacts);
2206          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2207          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2208          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2209          $this->assertEquals($users[9]->id, $noncontacts[3]['id']);
2210  
2211          // Verify the correct conversations were returned for the non-contacts.
2212          $this->assertCount(1, $noncontacts[1]['conversations']);
2213          $this->assertCount(1, $noncontacts[2]['conversations']);
2214          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $noncontacts[1]['conversations'][0]['type']);
2215          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, $noncontacts[2]['conversations'][0]['type']);
2216          $this->assertCount(0, $noncontacts[3]['conversations']);
2217      }
2218  
2219      /**
2220       * Verify searching for users find themselves when they have self-conversations.
2221       */
2222      public function test_message_search_users_self_conversations() {
2223          $this->resetAfterTest();
2224  
2225          // Create some users.
2226          $user1 = new \stdClass();
2227          $user1->firstname = 'User';
2228          $user1->lastname = 'One';
2229          $user1 = $this->getDataGenerator()->create_user($user1);
2230          $user2 = new \stdClass();
2231          $user2->firstname = 'User';
2232          $user2->lastname = 'Two';
2233          $user2 = $this->getDataGenerator()->create_user($user2);
2234  
2235          // Get self-conversation for user1.
2236          $sc1 = \core_message\api::get_self_conversation($user1->id);
2237          testhelper::send_fake_message_to_conversation($user1, $sc1->id, 'Hi myself!');
2238  
2239          // Perform a search as user1.
2240          $this->setUser($user1);
2241          $result = core_message_external::message_search_users($user1->id, 'One');
2242          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2243  
2244          // Check results are empty.
2245          $this->assertCount(0, $result['contacts']);
2246          $this->assertCount(1, $result['noncontacts']);
2247      }
2248  
2249      /**
2250       * Verify searching for users works even if no matching users from either contacts, or non-contacts can be found.
2251       */
2252      public function test_message_search_users_with_empty_result() {
2253          $this->resetAfterTest();
2254  
2255          // Create some users, but make sure neither will match the search term.
2256          $user1 = new \stdClass();
2257          $user1->firstname = 'User';
2258          $user1->lastname = 'One';
2259          $user1 = $this->getDataGenerator()->create_user($user1);
2260          $user2 = new \stdClass();
2261          $user2->firstname = 'User';
2262          $user2->lastname = 'Two';
2263          $user2 = $this->getDataGenerator()->create_user($user2);
2264  
2265          // Perform a search as user1.
2266          $this->setUser($user1);
2267          $result = core_message_external::message_search_users($user1->id, 'search');
2268          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2269  
2270          // Check results are empty.
2271          $this->assertCount(0, $result['contacts']);
2272          $this->assertCount(0, $result['noncontacts']);
2273      }
2274  
2275      /**
2276       * Test verifying that limits and offsets work for both the contacts and non-contacts return data.
2277       */
2278      public function test_message_search_users_limit_offset() {
2279          $this->resetAfterTest();
2280  
2281          // Create 20 users.
2282          $users = [];
2283          foreach (range(1, 20) as $i) {
2284              $user = new \stdClass();
2285              $user->firstname = "User search";
2286              $user->lastname = $i;
2287              $user = $this->getDataGenerator()->create_user($user);
2288              $users[$i] = $user;
2289          }
2290  
2291          // Enrol the first 8 users in the same course, but leave them as non-contacts.
2292          $this->setAdminUser();
2293          $course1 = $this->getDataGenerator()->create_course();
2294          foreach (range(1, 8) as $i) {
2295              $this->getDataGenerator()->enrol_user($users[$i]->id, $course1->id);
2296          }
2297  
2298          // Add 5 users, starting at the 11th user, as contacts for user1.
2299          foreach (range(11, 15) as $i) {
2300              \core_message\api::add_contact($users[1]->id, $users[$i]->id);
2301          }
2302  
2303          // Set as the user performing the search.
2304          $this->setUser($users[1]);
2305  
2306          // Search using a limit of 3.
2307          // This tests the case where we have more results than the limit for both contacts and non-contacts.
2308          $result = core_message_external::message_search_users($users[1]->id, 'search', 0, 3);
2309          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2310          $contacts = $result['contacts'];
2311          $noncontacts = $result['noncontacts'];
2312  
2313          // Check that we retrieved the correct contacts.
2314          $this->assertCount(3, $contacts);
2315          $this->assertEquals($users[11]->id, $contacts[0]['id']);
2316          $this->assertEquals($users[12]->id, $contacts[1]['id']);
2317          $this->assertEquals($users[13]->id, $contacts[2]['id']);
2318  
2319          // Check that we retrieved the correct non-contacts.
2320          // Consider first conversation is self-conversation.
2321          $this->assertCount(3, $noncontacts);
2322          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2323          $this->assertEquals($users[2]->id, $noncontacts[1]['id']);
2324          $this->assertEquals($users[3]->id, $noncontacts[2]['id']);
2325  
2326          // Now, offset to get the next batch of results.
2327          // We expect to see 2 contacts, and 3 non-contacts.
2328          $result = core_message_external::message_search_users($users[1]->id, 'search', 3, 3);
2329          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2330          $contacts = $result['contacts'];
2331          $noncontacts = $result['noncontacts'];
2332          $this->assertCount(2, $contacts);
2333          $this->assertEquals($users[14]->id, $contacts[0]['id']);
2334          $this->assertEquals($users[15]->id, $contacts[1]['id']);
2335  
2336          $this->assertCount(3, $noncontacts);
2337          $this->assertEquals($users[4]->id, $noncontacts[0]['id']);
2338          $this->assertEquals($users[5]->id, $noncontacts[1]['id']);
2339          $this->assertEquals($users[6]->id, $noncontacts[2]['id']);
2340  
2341          // Now, offset to get the next batch of results.
2342          // We expect to see 0 contacts, and 2 non-contacts.
2343          $result = core_message_external::message_search_users($users[1]->id, 'search', 6, 3);
2344          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2345          $contacts = $result['contacts'];
2346          $noncontacts = $result['noncontacts'];
2347          $this->assertCount(0, $contacts);
2348  
2349          $this->assertCount(2, $noncontacts);
2350          $this->assertEquals($users[7]->id, $noncontacts[0]['id']);
2351          $this->assertEquals($users[8]->id, $noncontacts[1]['id']);
2352      }
2353  
2354      /**
2355       * Tests searching users as another user having the 'moodle/user:viewdetails' capability.
2356       */
2357      public function test_message_search_users_with_cap() {
2358          $this->resetAfterTest();
2359          global $DB;
2360  
2361          // Create some users.
2362          $users = [];
2363          foreach (range(1, 8) as $i) {
2364              $user = new \stdClass();
2365              $user->firstname = ($i == 4) ? 'User' : 'User search'; // Ensure the fourth user won't match the search term.
2366              $user->lastname = $i;
2367              $user = $this->getDataGenerator()->create_user($user);
2368              $users[$i] = $user;
2369          }
2370  
2371          // Enrol a few users in the same course, but leave them as non-contacts.
2372          $course1 = $this->getDataGenerator()->create_course();
2373          $this->setAdminUser();
2374          $this->getDataGenerator()->enrol_user($users[1]->id, $course1->id);
2375          $this->getDataGenerator()->enrol_user($users[6]->id, $course1->id);
2376          $this->getDataGenerator()->enrol_user($users[7]->id, $course1->id);
2377  
2378          // Add some other users as contacts.
2379          \core_message\api::add_contact($users[1]->id, $users[2]->id);
2380          \core_message\api::add_contact($users[3]->id, $users[1]->id);
2381          \core_message\api::add_contact($users[1]->id, $users[4]->id);
2382  
2383          // Set as the user performing the search.
2384          $this->setUser($users[1]);
2385  
2386          // Grant the authenticated user role the capability 'user:viewdetails' at site context.
2387          $authenticatedrole = $DB->get_record('role', ['shortname' => 'user'], '*', MUST_EXIST);
2388          assign_capability('moodle/user:viewdetails', CAP_ALLOW, $authenticatedrole->id, \context_system::instance());
2389  
2390          // Perform a search with $CFG->messagingallusers disabled.
2391          set_config('messagingallusers', 0);
2392          $result = core_message_external::message_search_users($users[1]->id, 'search');
2393          $result = \external_api::clean_returnvalue(core_message_external::message_search_users_returns(), $result);
2394          $contacts = $result['contacts'];
2395          $noncontacts = $result['noncontacts'];
2396  
2397          // Check that we retrieved the correct contacts.
2398          $this->assertCount(2, $contacts);
2399          $this->assertEquals($users[2]->id, $contacts[0]['id']);
2400          $this->assertEquals($users[3]->id, $contacts[1]['id']);
2401  
2402          // Check that we retrieved the correct non-contacts.
2403          // Site-wide messaging is disabled, so we expect to be able to search for any users whose profile we can view.
2404          // Consider first conversations is self-conversation.
2405          $this->assertCount(3, $noncontacts);
2406          $this->assertEquals($users[1]->id, $noncontacts[0]['id']);
2407          $this->assertEquals($users[6]->id, $noncontacts[1]['id']);
2408          $this->assertEquals($users[7]->id, $noncontacts[2]['id']);
2409      }
2410  
2411      /**
2412       * Tests searching users as another user without the 'moodle/user:viewdetails' capability.
2413       */
2414      public function test_message_search_users_without_cap() {
2415          $this->resetAfterTest();
2416  
2417          // Create some users.
2418          $user1 = $this->getDataGenerator()->create_user();
2419          $user2 = $this->getDataGenerator()->create_user();
2420  
2421          // The person doing the search for another user.
2422          $this->setUser($user1);
2423  
2424          // Ensure an exception is thrown.
2425          $this->expectException('moodle_exception');
2426          core_message_external::message_search_users($user2->id, 'User');
2427          $this->assertDebuggingCalled();
2428      }
2429  
2430      /**
2431       * Tests searching users with messaging disabled.
2432       */
2433      public function test_message_search_users_messaging_disabled() {
2434          $this->resetAfterTest();
2435  
2436          // Create some skeleton data just so we can call the WS.
2437          $user = $this->getDataGenerator()->create_user();
2438  
2439          // The person doing the search.
2440          $this->setUser($user);
2441  
2442          // Disable messaging.
2443          set_config('messaging', 0);
2444  
2445          // Ensure an exception is thrown.
2446          $this->expectException('moodle_exception');
2447          core_message_external::message_search_users($user->id, 'User');
2448      }
2449  
2450      /**
2451       * Tests searching messages.
2452       */
2453      public function test_messagearea_search_messages() {
2454          $this->resetAfterTest(true);
2455  
2456          // Create some users.
2457          $user1 = self::getDataGenerator()->create_user();
2458          $user2 = self::getDataGenerator()->create_user();
2459  
2460          // The person doing the search.
2461          $this->setUser($user1);
2462  
2463          // Send some messages back and forth.
2464          $time = time();
2465          $this->send_message($user1, $user2, 'Yo!', 0, $time);
2466          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
2467          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
2468          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
2469          $convid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
2470  
2471          // Perform a search.
2472          $result = core_message_external::data_for_messagearea_search_messages($user1->id, 'o');
2473  
2474          // We need to execute the return values cleaning process to simulate the web service server.
2475          $result = \external_api::clean_returnvalue(core_message_external::data_for_messagearea_search_messages_returns(), $result);
2476  
2477          // Confirm the data is correct.
2478          $messages = $result['contacts'];
2479          $this->assertCount(2, $messages);
2480  
2481          $message1 = $messages[0];
2482          $message2 = $messages[1];
2483  
2484          $this->assertEquals($user2->id, $message1['userid']);
2485          $this->assertEquals(fullname($user2), $message1['fullname']);
2486          $this->assertTrue($message1['ismessaging']);
2487          $this->assertFalse($message1['sentfromcurrentuser']);
2488          $this->assertEquals('Word.', $message1['lastmessage']);
2489          $this->assertNotEmpty($message1['messageid']);
2490          $this->assertNull($message1['isonline']);
2491          $this->assertFalse($message1['isread']);
2492          $this->assertFalse($message1['isblocked']);
2493          $this->assertNull($message1['unreadcount']);
2494          $this->assertEquals($convid, $message1['conversationid']);
2495  
2496          $this->assertEquals($user2->id, $message2['userid']);
2497          $this->assertEquals(fullname($user2), $message2['fullname']);
2498          $this->assertTrue($message2['ismessaging']);
2499          $this->assertTrue($message2['sentfromcurrentuser']);
2500          $this->assertEquals('Yo!', $message2['lastmessage']);
2501          $this->assertNotEmpty($message2['messageid']);
2502          $this->assertNull($message2['isonline']);
2503          $this->assertTrue($message2['isread']);
2504          $this->assertFalse($message2['isblocked']);
2505          $this->assertNull($message2['unreadcount']);
2506          $this->assertEquals($convid, $message2['conversationid']);
2507      }
2508  
2509      /**
2510       * Tests searching messages as another user.
2511       */
2512      public function test_messagearea_search_messages_as_other_user() {
2513          $this->resetAfterTest(true);
2514  
2515          // The person doing the search.
2516          $this->setAdminUser();
2517  
2518          // Create some users.
2519          $user1 = self::getDataGenerator()->create_user();
2520          $user2 = self::getDataGenerator()->create_user();
2521  
2522          // Send some messages back and forth.
2523          $time = time();
2524          $this->send_message($user1, $user2, 'Yo!', 0, $time);
2525          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
2526          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
2527          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
2528  
2529          // Perform a search.
2530          $result = core_message_external::data_for_messagearea_search_messages($user1->id, 'o');
2531  
2532          // We need to execute the return values cleaning process to simulate the web service server.
2533          $result = \external_api::clean_returnvalue(core_message_external::data_for_messagearea_search_messages_returns(),
2534              $result);
2535  
2536          // Confirm the data is correct.
2537          $messages = $result['contacts'];
2538          $this->assertCount(2, $messages);
2539  
2540          $message1 = $messages[0];
2541          $message2 = $messages[1];
2542  
2543          $this->assertEquals($user2->id, $message1['userid']);
2544          $this->assertEquals(fullname($user2), $message1['fullname']);
2545          $this->assertTrue($message1['ismessaging']);
2546          $this->assertFalse($message1['sentfromcurrentuser']);
2547          $this->assertEquals('Word.', $message1['lastmessage']);
2548          $this->assertNotEmpty($message1['messageid']);
2549          $this->assertFalse($message1['isonline']);
2550          $this->assertFalse($message1['isread']);
2551          $this->assertFalse($message1['isblocked']);
2552          $this->assertNull($message1['unreadcount']);
2553  
2554          $this->assertEquals($user2->id, $message2['userid']);
2555          $this->assertEquals(fullname($user2), $message2['fullname']);
2556          $this->assertTrue($message2['ismessaging']);
2557          $this->assertTrue($message2['sentfromcurrentuser']);
2558          $this->assertEquals('Yo!', $message2['lastmessage']);
2559          $this->assertNotEmpty($message2['messageid']);
2560          $this->assertFalse($message2['isonline']);
2561          $this->assertTrue($message2['isread']);
2562          $this->assertFalse($message2['isblocked']);
2563          $this->assertNull($message2['unreadcount']);
2564      }
2565  
2566      /**
2567       * Tests searching messages as another user without the proper capabilities.
2568       */
2569      public function test_messagearea_search_messages_as_other_user_without_cap() {
2570          $this->resetAfterTest(true);
2571  
2572          // Create some users.
2573          $user1 = self::getDataGenerator()->create_user();
2574          $user2 = self::getDataGenerator()->create_user();
2575  
2576          // The person doing the search for another user.
2577          $this->setUser($user1);
2578  
2579          // Ensure an exception is thrown.
2580          $this->expectException('moodle_exception');
2581          core_message_external::data_for_messagearea_search_messages($user2->id, 'Search');
2582      }
2583  
2584      /**
2585       * Tests searching messages with messaging disabled
2586       */
2587      public function test_messagearea_search_messages_messaging_disabled() {
2588          global $CFG;
2589  
2590          $this->resetAfterTest(true);
2591  
2592          // Create some skeleton data just so we can call the WS.
2593          $user = self::getDataGenerator()->create_user();
2594  
2595          // The person doing the search .
2596          $this->setUser($user);
2597  
2598          // Disable messaging.
2599          $CFG->messaging = 0;
2600  
2601          // Ensure an exception is thrown.
2602          $this->expectException('moodle_exception');
2603          core_message_external::data_for_messagearea_search_messages($user->id, 'Search');
2604      }
2605  
2606      /**
2607       * Tests retrieving contacts.
2608       */
2609      public function test_get_user_contacts() {
2610          $this->resetAfterTest(true);
2611  
2612          // Create some users.
2613          $user1 = self::getDataGenerator()->create_user();
2614  
2615          // Set as the user.
2616          $this->setUser($user1);
2617  
2618          $user2 = new \stdClass();
2619          $user2->firstname = 'User';
2620          $user2->lastname = 'A';
2621          $user2 = self::getDataGenerator()->create_user($user2);
2622  
2623          $user3 = new \stdClass();
2624          $user3->firstname = 'User';
2625          $user3->lastname = 'B';
2626          $user3 = self::getDataGenerator()->create_user($user3);
2627  
2628          $user4 = new \stdClass();
2629          $user4->firstname = 'User';
2630          $user4->lastname = 'C';
2631          $user4 = self::getDataGenerator()->create_user($user4);
2632  
2633          $user5 = new \stdClass();
2634          $user5->firstname = 'User';
2635          $user5->lastname = 'D';
2636          $user5 = self::getDataGenerator()->create_user($user5);
2637  
2638          // Add some users as contacts.
2639          \core_message\api::add_contact($user1->id, $user2->id);
2640          \core_message\api::add_contact($user1->id, $user3->id);
2641          \core_message\api::add_contact($user1->id, $user4->id);
2642  
2643          // Retrieve the contacts.
2644          $result = core_message_external::get_user_contacts($user1->id);
2645  
2646          // We need to execute the return values cleaning process to simulate the web service server.
2647          $result = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(),
2648              $result);
2649  
2650          // Confirm the data is correct.
2651          $contacts = $result;
2652          usort($contacts, ['static', 'sort_contacts_id']);
2653          $this->assertCount(3, $contacts);
2654  
2655          $contact1 = array_shift($contacts);
2656          $contact2 = array_shift($contacts);
2657          $contact3 = array_shift($contacts);
2658  
2659          $this->assertEquals($user2->id, $contact1['id']);
2660          $this->assertEquals(fullname($user2), $contact1['fullname']);
2661          $this->assertTrue($contact1['iscontact']);
2662  
2663          $this->assertEquals($user3->id, $contact2['id']);
2664          $this->assertEquals(fullname($user3), $contact2['fullname']);
2665          $this->assertTrue($contact2['iscontact']);
2666  
2667          $this->assertEquals($user4->id, $contact3['id']);
2668          $this->assertEquals(fullname($user4), $contact3['fullname']);
2669          $this->assertTrue($contact3['iscontact']);
2670      }
2671  
2672      /**
2673       * Tests retrieving contacts as another user.
2674       */
2675      public function test_get_user_contacts_as_other_user() {
2676          $this->resetAfterTest(true);
2677  
2678          $this->setAdminUser();
2679  
2680          // Create some users.
2681          $user1 = self::getDataGenerator()->create_user();
2682  
2683          $user2 = new \stdClass();
2684          $user2->firstname = 'User';
2685          $user2->lastname = 'A';
2686          $user2 = self::getDataGenerator()->create_user($user2);
2687  
2688          $user3 = new \stdClass();
2689          $user3->firstname = 'User';
2690          $user3->lastname = 'B';
2691          $user3 = self::getDataGenerator()->create_user($user3);
2692  
2693          $user4 = new \stdClass();
2694          $user4->firstname = 'User';
2695          $user4->lastname = 'C';
2696          $user4 = self::getDataGenerator()->create_user($user4);
2697  
2698          $user5 = new \stdClass();
2699          $user5->firstname = 'User';
2700          $user5->lastname = 'D';
2701          $user5 = self::getDataGenerator()->create_user($user5);
2702  
2703          // Add some users as contacts.
2704          \core_message\api::add_contact($user1->id, $user2->id);
2705          \core_message\api::add_contact($user1->id, $user3->id);
2706          \core_message\api::add_contact($user1->id, $user4->id);
2707  
2708          // Retrieve the contacts.
2709          $result = core_message_external::get_user_contacts($user1->id);
2710  
2711          // We need to execute the return values cleaning process to simulate the web service server.
2712          $result = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(),
2713              $result);
2714  
2715          // Confirm the data is correct.
2716          $contacts = $result;
2717          usort($contacts, ['static', 'sort_contacts_id']);
2718          $this->assertCount(3, $contacts);
2719  
2720          $contact1 = array_shift($contacts);
2721          $contact2 = array_shift($contacts);
2722          $contact3 = array_shift($contacts);
2723  
2724          $this->assertEquals($user2->id, $contact1['id']);
2725          $this->assertEquals(fullname($user2), $contact1['fullname']);
2726          $this->assertTrue($contact1['iscontact']);
2727  
2728          $this->assertEquals($user3->id, $contact2['id']);
2729          $this->assertEquals(fullname($user3), $contact2['fullname']);
2730          $this->assertTrue($contact2['iscontact']);
2731  
2732          $this->assertEquals($user4->id, $contact3['id']);
2733          $this->assertEquals(fullname($user4), $contact3['fullname']);
2734          $this->assertTrue($contact3['iscontact']);
2735      }
2736  
2737      /**
2738       * Tests retrieving contacts as another user without the proper capabilities.
2739       */
2740      public function test_get_user_contacts_as_other_user_without_cap() {
2741          $this->resetAfterTest(true);
2742  
2743          // Create some users.
2744          $user1 = self::getDataGenerator()->create_user();
2745          $user2 = self::getDataGenerator()->create_user();
2746  
2747          // The person retrieving the contacts for another user.
2748          $this->setUser($user1);
2749  
2750          // Perform the WS call and ensure an exception is thrown.
2751          $this->expectException('moodle_exception');
2752          core_message_external::get_user_contacts($user2->id);
2753      }
2754  
2755      /**
2756       * Tests retrieving contacts with messaging disabled.
2757       */
2758      public function test_get_user_contacts_messaging_disabled() {
2759          global $CFG;
2760  
2761          $this->resetAfterTest(true);
2762  
2763          // Create some skeleton data just so we can call the WS.
2764          $user = self::getDataGenerator()->create_user();
2765  
2766          // The person retrieving the contacts.
2767          $this->setUser($user);
2768  
2769          // Disable messaging.
2770          $CFG->messaging = 0;
2771  
2772          // Perform the WS call and ensure we are shown that it is disabled.
2773          $this->expectException('moodle_exception');
2774          core_message_external::get_user_contacts($user->id);
2775      }
2776  
2777      /**
2778       * Test getting contacts when there are no results.
2779       */
2780      public function test_get_user_contacts_no_results() {
2781          $this->resetAfterTest();
2782  
2783          $user1 = self::getDataGenerator()->create_user();
2784  
2785          $this->setUser($user1);
2786  
2787          $requests = core_message_external::get_user_contacts($user1->id);
2788          $requests = \external_api::clean_returnvalue(core_message_external::get_user_contacts_returns(), $requests);
2789  
2790          $this->assertEmpty($requests);
2791      }
2792  
2793      /**
2794       * Tests get_conversation_messages for retrieving messages.
2795       */
2796      public function test_get_conversation_messages() {
2797          $this->resetAfterTest(true);
2798  
2799          // Create some users.
2800          $user1 = self::getDataGenerator()->create_user();
2801          $user2 = self::getDataGenerator()->create_user();
2802          $user3 = self::getDataGenerator()->create_user();
2803          $user4 = self::getDataGenerator()->create_user();
2804          $user5 = self::getDataGenerator()->create_user();
2805  
2806          // Create group conversation.
2807          $conversation = \core_message\api::create_conversation(
2808              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2809              [$user1->id, $user2->id, $user3->id, $user4->id]
2810          );
2811  
2812          // The person asking for the messages.
2813          $this->setUser($user1);
2814  
2815          // Send some messages back and forth.
2816          $time = time();
2817          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Yo!', $time);
2818          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Sup mang?', $time + 1);
2819          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Writing PHPUnit tests!', $time + 2);
2820          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Word.', $time + 3);
2821  
2822          // Retrieve the messages.
2823          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id);
2824  
2825          // We need to execute the return values cleaning process to simulate the web service server.
2826          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2827              $result);
2828  
2829          // Check the results are correct.
2830          $this->assertEquals($conversation->id, $result['id']);
2831  
2832          // Confirm the members data is correct.
2833          $members = $result['members'];
2834          $this->assertCount(3, $members);
2835          $membersid = [$members[0]['id'], $members[1]['id'], $members[2]['id']];
2836          $this->assertContainsEquals($user1->id, $membersid);
2837          $this->assertContainsEquals($user2->id, $membersid);
2838          $this->assertContainsEquals($user3->id, $membersid);
2839  
2840          $membersfullnames = [$members[0]['fullname'], $members[1]['fullname'], $members[2]['fullname']];
2841          $this->assertContainsEquals(fullname($user1), $membersfullnames);
2842          $this->assertContainsEquals(fullname($user2), $membersfullnames);
2843          $this->assertContainsEquals(fullname($user3), $membersfullnames);
2844  
2845          // Confirm the messages data is correct.
2846          $messages = $result['messages'];
2847          $this->assertCount(4, $messages);
2848  
2849          $message1 = $messages[0];
2850          $message2 = $messages[1];
2851          $message3 = $messages[2];
2852          $message4 = $messages[3];
2853  
2854          $this->assertEquals($user1->id, $message1['useridfrom']);
2855          $this->assertStringContainsString('Yo!', $message1['text']);
2856  
2857          $this->assertEquals($user3->id, $message2['useridfrom']);
2858          $this->assertStringContainsString('Sup mang?', $message2['text']);
2859  
2860          $this->assertEquals($user2->id, $message3['useridfrom']);
2861          $this->assertStringContainsString('Writing PHPUnit tests!', $message3['text']);
2862  
2863          $this->assertEquals($user1->id, $message4['useridfrom']);
2864          $this->assertStringContainsString('Word.', $message4['text']);
2865      }
2866  
2867      /**
2868       * Tests get_conversation_messages for retrieving messages using timefrom parameter.
2869       */
2870      public function test_get_conversation_messages_timefrom() {
2871          $this->resetAfterTest(true);
2872  
2873          // Create some users.
2874          $user1 = self::getDataGenerator()->create_user();
2875          $user2 = self::getDataGenerator()->create_user();
2876          $user3 = self::getDataGenerator()->create_user();
2877          $user4 = self::getDataGenerator()->create_user();
2878  
2879          // Create group conversation.
2880          $conversation = \core_message\api::create_conversation(
2881              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2882              [$user1->id, $user2->id, $user3->id]
2883          );
2884  
2885          // The person asking for the messages.
2886          $this->setUser($user1);
2887  
2888          // Send some messages back and forth.
2889          $time = time();
2890          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 1', $time - 4);
2891          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 2', $time - 3);
2892          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 3', $time - 2);
2893          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 4', $time - 1);
2894  
2895          // Retrieve the messages from $time - 3, which should be the 3 most recent messages.
2896          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id, 0, 0, false, $time - 3);
2897  
2898          // We need to execute the return values cleaning process to simulate the web service server.
2899          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2900              $result);
2901  
2902          // Check the results are correct.
2903          $this->assertEquals($conversation->id, $result['id']);
2904  
2905          // Confirm the messages data is correct.
2906          $messages = $result['messages'];
2907          $this->assertCount(3, $messages);
2908  
2909          $message1 = $messages[0];
2910          $message2 = $messages[1];
2911          $message3 = $messages[2];
2912  
2913          $this->assertStringContainsString('Message 2', $message1['text']);
2914          $this->assertStringContainsString('Message 3', $message2['text']);
2915          $this->assertStringContainsString('Message 4', $message3['text']);
2916  
2917          // Confirm the members data is correct.
2918          $members = $result['members'];
2919          $this->assertCount(1, $members);
2920          $this->assertEquals($user2->id, $members[0]['id']);
2921      }
2922  
2923      /**
2924       * Tests get_conversation_messages for retrieving messages as another user.
2925       */
2926      public function test_get_conversation_messages_as_other_user() {
2927          $this->resetAfterTest(true);
2928  
2929          // Set as admin.
2930          $this->setAdminUser();
2931  
2932          // Create some users.
2933          $user1 = self::getDataGenerator()->create_user();
2934          $user2 = self::getDataGenerator()->create_user();
2935          $user3 = self::getDataGenerator()->create_user();
2936          $user4 = self::getDataGenerator()->create_user();
2937  
2938          // Create group conversation.
2939          $conversation = \core_message\api::create_conversation(
2940              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
2941              [$user1->id, $user2->id, $user3->id, $user4->id]
2942          );
2943  
2944          // Send some messages back and forth.
2945          $time = time();
2946          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Yo!', $time);
2947          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Sup mang?', $time + 1);
2948          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Writing PHPUnit tests!', $time + 2);
2949          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Word.', $time + 3);
2950  
2951          // Retrieve the messages.
2952          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id);
2953  
2954          // We need to execute the return values cleaning process to simulate the web service server.
2955          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(),
2956              $result);
2957  
2958          // Check the results are correct.
2959          $this->assertEquals($conversation->id, $result['id']);
2960  
2961          // Confirm the members data is correct.
2962          $members = $result['members'];
2963          $this->assertCount(3, $members);
2964          $membersid = [$members[0]['id'], $members[1]['id'], $members[2]['id']];
2965          $this->assertContainsEquals($user1->id, $membersid);
2966          $this->assertContainsEquals($user2->id, $membersid);
2967          $this->assertContainsEquals($user3->id, $membersid);
2968  
2969          // Confirm the message data is correct.
2970          $messages = $result['messages'];
2971          $this->assertCount(4, $messages);
2972  
2973          $message1 = $messages[0];
2974          $message2 = $messages[1];
2975          $message3 = $messages[2];
2976          $message4 = $messages[3];
2977  
2978          $this->assertEquals($user1->id, $message1['useridfrom']);
2979          $this->assertStringContainsString('Yo!', $message1['text']);
2980  
2981          $this->assertEquals($user3->id, $message2['useridfrom']);
2982          $this->assertStringContainsString('Sup mang?', $message2['text']);
2983  
2984          $this->assertEquals($user2->id, $message3['useridfrom']);
2985          $this->assertStringContainsString('Writing PHPUnit tests!', $message3['text']);
2986  
2987          $this->assertEquals($user1->id, $message4['useridfrom']);
2988          $this->assertStringContainsString('Word.', $message4['text']);
2989      }
2990  
2991      /**
2992       * Tests get_conversation_messages for retrieving messages as another user without the proper capabilities.
2993       */
2994      public function test_get_conversation_messages_as_other_user_without_cap() {
2995          $this->resetAfterTest(true);
2996  
2997          // Create some users.
2998          $user1 = self::getDataGenerator()->create_user();
2999          $user2 = self::getDataGenerator()->create_user();
3000          $user3 = self::getDataGenerator()->create_user();
3001          $user4 = self::getDataGenerator()->create_user();
3002  
3003          // Create group conversation.
3004          $conversation = \core_message\api::create_conversation(
3005              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3006              [$user1->id, $user2->id, $user3->id, $user4->id]
3007          );
3008  
3009          // The person asking for the messages for another user.
3010          $this->setUser($user1);
3011  
3012          // Ensure an exception is thrown.
3013          $this->expectException('moodle_exception');
3014          core_message_external::get_conversation_messages($user2->id, $conversation->id);
3015      }
3016  
3017      /**
3018       * Tests get_conversation_messages for retrieving messages as another user not in the conversation.
3019       */
3020      public function test_get_conversation_messages_as_user_not_in_conversation() {
3021          $this->resetAfterTest(true);
3022  
3023          // Create some users.
3024          $user1 = self::getDataGenerator()->create_user();
3025          $user2 = self::getDataGenerator()->create_user();
3026          $user3 = self::getDataGenerator()->create_user(); // Not in group.
3027  
3028          // Create group conversation.
3029          $conversation = \core_message\api::create_conversation(
3030              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3031              [$user1->id, $user2->id]
3032          );
3033  
3034          // The person asking for the messages for a conversation he does not belong to.
3035          $this->setUser($user3);
3036  
3037          // Ensure an exception is thrown.
3038          $this->expectExceptionMessage('User is not part of conversation.');
3039          core_message_external::get_conversation_messages($user3->id, $conversation->id);
3040      }
3041  
3042      /**
3043       * Tests get_conversation_messages for retrieving messages with messaging disabled.
3044       */
3045      public function test_get_conversation_messages_messaging_disabled() {
3046          $this->resetAfterTest(true);
3047  
3048          // Create some skeleton data just so we can call the WS.
3049          $user1 = self::getDataGenerator()->create_user();
3050          $user2 = self::getDataGenerator()->create_user();
3051          $user3 = self::getDataGenerator()->create_user();
3052          $user4 = self::getDataGenerator()->create_user();
3053  
3054          // Create group conversation.
3055          $conversation = \core_message\api::create_conversation(
3056              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3057              [$user1->id, $user2->id, $user3->id, $user4->id]
3058          );
3059  
3060          // The person asking for the messages for another user.
3061          $this->setUser($user1);
3062  
3063          // Disable messaging.
3064          set_config('messaging', 0);
3065  
3066          // Ensure an exception is thrown.
3067          $this->expectException('moodle_exception');
3068          core_message_external::get_conversation_messages($user1->id, $conversation->id);
3069      }
3070  
3071      /**
3072       * Test marking all conversation messages as read with an invalid user.
3073       */
3074      public function test_mark_all_conversation_messages_as_read_invalid_user_exception() {
3075          $this->resetAfterTest(true);
3076  
3077          $user1 = self::getDataGenerator()->create_user();
3078          $user2 = self::getDataGenerator()->create_user();
3079  
3080          // Send some messages back and forth.
3081          $time = time();
3082          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3083          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3084          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3085          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3086  
3087          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3088  
3089          $this->expectException('moodle_exception');
3090          core_message_external::mark_all_conversation_messages_as_read(-2132131, $conversationid);
3091      }
3092  
3093      /**
3094       * Test marking all conversation messages as read without proper access.
3095       */
3096      public function test_mark_all_conversation_messages_as_read_access_denied_exception() {
3097          $this->resetAfterTest(true);
3098  
3099          $user1 = self::getDataGenerator()->create_user();
3100          $user2 = self::getDataGenerator()->create_user();
3101          $user3 = self::getDataGenerator()->create_user();
3102  
3103          // Send some messages back and forth.
3104          $time = time();
3105          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3106          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3107          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3108          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3109  
3110          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3111  
3112          // User 3 is not in the conversation.
3113          $this->expectException('moodle_exception');
3114          core_message_external::mark_all_conversation_messages_as_read($user3->id, $conversationid);
3115      }
3116  
3117      /**
3118       * Test marking all conversation messages as read for another user.
3119       */
3120      public function test_mark_all_conversation_messages_as_read_wrong_user() {
3121          $this->resetAfterTest(true);
3122  
3123          $user1 = self::getDataGenerator()->create_user();
3124          $user2 = self::getDataGenerator()->create_user();
3125  
3126          // Send some messages back and forth.
3127          $time = time();
3128          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3129          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3130          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3131          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3132  
3133          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3134  
3135          // Can't mark the messages as read for user 2.
3136          $this->setUser($user1);
3137          $this->expectException('moodle_exception');
3138          core_message_external::mark_all_conversation_messages_as_read($user2->id, $conversationid);
3139      }
3140  
3141      /**
3142       * Test marking all conversation messages as admin.
3143       */
3144      public function test_mark_all_conversation_messages_as_admin() {
3145          global $DB;
3146  
3147          $this->resetAfterTest(true);
3148  
3149          $user1 = self::getDataGenerator()->create_user();
3150          $user2 = self::getDataGenerator()->create_user();
3151  
3152          // Send some messages back and forth.
3153          $time = time();
3154          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3155          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3156          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3157          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3158  
3159          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3160  
3161          // Admin can do anything.
3162          $this->setAdminUser();
3163          core_message_external::mark_all_conversation_messages_as_read($user2->id, $conversationid);
3164          $this->assertEquals(2, $DB->count_records('message_user_actions'));
3165      }
3166  
3167      /**
3168       * Test marking all conversation messages.
3169       */
3170      public function test_mark_all_conversation_messages_as_read() {
3171          global $DB;
3172  
3173          $this->resetAfterTest(true);
3174  
3175          $user1 = self::getDataGenerator()->create_user();
3176          $user2 = self::getDataGenerator()->create_user();
3177  
3178          // Send some messages back and forth.
3179          $time = time();
3180          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3181          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3182          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3183          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3184  
3185          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3186  
3187          // We are the user we want to mark the messages for and we are in the conversation, all good.
3188          $this->setUser($user1);
3189          core_message_external::mark_all_conversation_messages_as_read($user1->id, $conversationid);
3190          $this->assertEquals(2, $DB->count_records('message_user_actions'));
3191      }
3192  
3193      /**
3194       * Test getting unread conversation count.
3195       */
3196      public function test_get_unread_conversations_count() {
3197          $this->resetAfterTest(true);
3198  
3199          // Create some users.
3200          $user1 = self::getDataGenerator()->create_user();
3201          $user2 = self::getDataGenerator()->create_user();
3202          $user3 = self::getDataGenerator()->create_user();
3203          $user4 = self::getDataGenerator()->create_user();
3204  
3205          // The person wanting the conversation count.
3206          $this->setUser($user1);
3207  
3208          // Send some messages back and forth, have some different conversations with different users.
3209          $this->send_message($user1, $user2, 'Yo!');
3210          $this->send_message($user2, $user1, 'Sup mang?');
3211          $this->send_message($user1, $user2, 'Writing PHPUnit tests!');
3212          $this->send_message($user2, $user1, 'Word.');
3213  
3214          $this->send_message($user1, $user3, 'Booyah');
3215          $this->send_message($user3, $user1, 'Whaaat?');
3216          $this->send_message($user1, $user3, 'Nothing.');
3217          $this->send_message($user3, $user1, 'Cool.');
3218  
3219          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3220          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3221          $this->send_message($user1, $user4, 'Dope.');
3222  
3223          // Get the unread conversation count.
3224          $result = core_message_external::get_unread_conversations_count($user1->id);
3225  
3226          // We need to execute the return values cleaning process to simulate the web service server.
3227          $result = \external_api::clean_returnvalue(core_message_external::get_unread_conversations_count_returns(),
3228              $result);
3229  
3230          $this->assertEquals(3, $result);
3231      }
3232  
3233      /**
3234       * Test getting unread conversation count as other user.
3235       */
3236      public function test_get_unread_conversations_count_as_other_user() {
3237          $this->resetAfterTest(true);
3238  
3239          // The person wanting the conversation count.
3240          $this->setAdminUser();
3241  
3242          // Create some users.
3243          $user1 = self::getDataGenerator()->create_user();
3244          $user2 = self::getDataGenerator()->create_user();
3245          $user3 = self::getDataGenerator()->create_user();
3246          $user4 = self::getDataGenerator()->create_user();
3247  
3248          // Send some messages back and forth, have some different conversations with different users.
3249          $this->send_message($user1, $user2, 'Yo!');
3250          $this->send_message($user2, $user1, 'Sup mang?');
3251          $this->send_message($user1, $user2, 'Writing PHPUnit tests!');
3252          $this->send_message($user2, $user1, 'Word.');
3253  
3254          $this->send_message($user1, $user3, 'Booyah');
3255          $this->send_message($user3, $user1, 'Whaaat?');
3256          $this->send_message($user1, $user3, 'Nothing.');
3257          $this->send_message($user3, $user1, 'Cool.');
3258  
3259          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3260          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3261          $this->send_message($user1, $user4, 'Dope.');
3262  
3263          // Get the unread conversation count.
3264          $result = core_message_external::get_unread_conversations_count($user1->id);
3265  
3266          // We need to execute the return values cleaning process to simulate the web service server.
3267          $result = \external_api::clean_returnvalue(core_message_external::get_unread_conversations_count_returns(),
3268              $result);
3269  
3270          $this->assertEquals(3, $result);
3271      }
3272  
3273      /**
3274       * Test getting unread conversation count as other user without proper capability.
3275       */
3276      public function test_get_unread_conversations_count_as_other_user_without_cap() {
3277          $this->resetAfterTest(true);
3278  
3279          // Create some users.
3280          $user1 = self::getDataGenerator()->create_user();
3281          $user2 = self::getDataGenerator()->create_user();
3282  
3283          // The person wanting the conversation count.
3284          $this->setUser($user1);
3285  
3286          // Ensure an exception is thrown.
3287          $this->expectException('moodle_exception');
3288          core_message_external::get_unread_conversations_count($user2->id);
3289      }
3290  
3291      /**
3292       * Test deleting conversations.
3293       */
3294      public function test_delete_conversations_by_id() {
3295          global $DB;
3296  
3297          $this->resetAfterTest(true);
3298  
3299          // Create some users.
3300          $user1 = self::getDataGenerator()->create_user();
3301          $user2 = self::getDataGenerator()->create_user();
3302  
3303          // The person wanting to delete the conversation.
3304          $this->setUser($user1);
3305  
3306          // Send some messages back and forth.
3307          $time = time();
3308          $m1id = $this->send_message($user1, $user2, 'Yo!', 0, $time);
3309          $m2id = $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3310          $m3id = $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3311          $m4id = $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3312  
3313          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3314  
3315          // Delete the conversation.
3316          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3317  
3318          $muas = $DB->get_records('message_user_actions', array(), 'timecreated ASC');
3319          $this->assertCount(4, $muas);
3320          // Sort by id.
3321          ksort($muas);
3322  
3323          $mua1 = array_shift($muas);
3324          $mua2 = array_shift($muas);
3325          $mua3 = array_shift($muas);
3326          $mua4 = array_shift($muas);
3327  
3328          $this->assertEquals($user1->id, $mua1->userid);
3329          $this->assertEquals($m1id, $mua1->messageid);
3330          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
3331  
3332          $this->assertEquals($user1->id, $mua2->userid);
3333          $this->assertEquals($m2id, $mua2->messageid);
3334          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
3335  
3336          $this->assertEquals($user1->id, $mua3->userid);
3337          $this->assertEquals($m3id, $mua3->messageid);
3338          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
3339  
3340          $this->assertEquals($user1->id, $mua4->userid);
3341          $this->assertEquals($m4id, $mua4->messageid);
3342          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua4->action);
3343      }
3344  
3345      /**
3346       * Test deleting conversations as other user.
3347       */
3348      public function test_delete_conversations_by_id_as_other_user() {
3349          global $DB;
3350  
3351          $this->resetAfterTest(true);
3352  
3353          $this->setAdminUser();
3354  
3355          // Create some users.
3356          $user1 = self::getDataGenerator()->create_user();
3357          $user2 = self::getDataGenerator()->create_user();
3358  
3359          // Send some messages back and forth.
3360          $time = time();
3361          $m1id = $this->send_message($user1, $user2, 'Yo!', 0, $time);
3362          $m2id = $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3363          $m3id = $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3364          $m4id = $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3365  
3366          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3367  
3368          // Delete the conversation.
3369          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3370  
3371          $muas = $DB->get_records('message_user_actions', array(), 'timecreated ASC');
3372          $this->assertCount(4, $muas);
3373          // Sort by id.
3374          ksort($muas);
3375  
3376          $mua1 = array_shift($muas);
3377          $mua2 = array_shift($muas);
3378          $mua3 = array_shift($muas);
3379          $mua4 = array_shift($muas);
3380  
3381          $this->assertEquals($user1->id, $mua1->userid);
3382          $this->assertEquals($m1id, $mua1->messageid);
3383          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
3384  
3385          $this->assertEquals($user1->id, $mua2->userid);
3386          $this->assertEquals($m2id, $mua2->messageid);
3387          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
3388  
3389          $this->assertEquals($user1->id, $mua3->userid);
3390          $this->assertEquals($m3id, $mua3->messageid);
3391          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
3392  
3393          $this->assertEquals($user1->id, $mua4->userid);
3394          $this->assertEquals($m4id, $mua4->messageid);
3395          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua4->action);
3396      }
3397  
3398      /**
3399       * Test deleting conversations as other user without proper capability.
3400       */
3401      public function test_delete_conversations_by_id_as_other_user_without_cap() {
3402          $this->resetAfterTest(true);
3403  
3404          // Create some users.
3405          $user1 = self::getDataGenerator()->create_user();
3406          $user2 = self::getDataGenerator()->create_user();
3407          $user3 = self::getDataGenerator()->create_user();
3408  
3409          // Send some messages back and forth.
3410          $time = time();
3411          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3412          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3413          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3414          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3415  
3416          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3417  
3418          // The person wanting to delete the conversation.
3419          $this->setUser($user3);
3420  
3421          // Ensure an exception is thrown.
3422          $this->expectException('moodle_exception');
3423          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3424      }
3425  
3426      /**
3427       * Test deleting conversations with messaging disabled.
3428       */
3429      public function test_delete_conversations_by_id_messaging_disabled() {
3430          global $CFG;
3431  
3432          $this->resetAfterTest(true);
3433  
3434          // Create some users.
3435          $user1 = self::getDataGenerator()->create_user();
3436          $user2 = self::getDataGenerator()->create_user();
3437  
3438          // Send some messages back and forth.
3439          $time = time();
3440          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3441          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3442          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3443          $this->send_message($user2, $user1, 'Word.', 0, $time + 3);
3444  
3445          $conversationid = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3446  
3447          // The person wanting to delete the conversation.
3448          $this->setUser($user1);
3449  
3450          // Disable messaging.
3451          $CFG->messaging = 0;
3452  
3453          // Ensure an exception is thrown.
3454          $this->expectException('moodle_exception');
3455          core_message_external::delete_conversations_by_id($user1->id, [$conversationid]);
3456      }
3457  
3458      /**
3459       * Test get message processor.
3460       */
3461      public function test_get_message_processor() {
3462          $this->resetAfterTest(true);
3463  
3464          // Create a user.
3465          $user1 = self::getDataGenerator()->create_user();
3466  
3467          // Set you as the user.
3468          $this->setUser($user1);
3469  
3470          // Get the message processors.
3471          $result = core_message_external::get_message_processor($user1->id, 'popup');
3472  
3473          // We need to execute the return values cleaning process to simulate the web service server.
3474          $result = \external_api::clean_returnvalue(core_message_external::get_message_processor_returns(), $result);
3475  
3476          $this->assertNotEmpty($result['systemconfigured']);
3477          $this->assertNotEmpty($result['userconfigured']);
3478      }
3479  
3480      /**
3481       * Test get_user_notification_preferences
3482       */
3483      public function test_get_user_message_preferences() {
3484          $this->resetAfterTest(true);
3485  
3486          $user = self::getDataGenerator()->create_user();
3487          $this->setUser($user);
3488  
3489          // Enable site-wide messagging privacy setting. The user will be able to receive messages from everybody.
3490          set_config('messagingallusers', true);
3491  
3492          // Set a couple of preferences to test.
3493          set_user_preference('message_provider_moodle_instantmessage_enabled', 'email', $user);
3494          set_user_preference('message_blocknoncontacts', \core_message\api::MESSAGE_PRIVACY_SITE, $user);
3495  
3496          $prefs = core_message_external::get_user_message_preferences();
3497          $prefs = \external_api::clean_returnvalue(core_message_external::get_user_message_preferences_returns(), $prefs);
3498          $this->assertEquals($user->id, $prefs['preferences']['userid']);
3499  
3500          // Check components.
3501          $this->assertCount(1, $prefs['preferences']['components']);
3502          $this->assertEquals(\core_message\api::MESSAGE_PRIVACY_SITE, $prefs['blocknoncontacts']);
3503  
3504          // Check some preferences that we previously set.
3505          $found = false;
3506          foreach ($prefs['preferences']['components'] as $component) {
3507              foreach ($component['notifications'] as $prefdata) {
3508                  if ($prefdata['preferencekey'] != 'message_provider_moodle_instantmessage') {
3509                      continue;
3510                  }
3511                  foreach ($prefdata['processors'] as $processor) {
3512                      if ($processor['name'] == 'email') {
3513                          $this->assertTrue($processor['enabled']);
3514                          $found = true;
3515                      }
3516                  }
3517              }
3518          }
3519          $this->assertTrue($found);
3520      }
3521  
3522      /**
3523       * Test get_user_message_preferences permissions
3524       */
3525      public function test_get_user_message_preferences_permissions() {
3526          $this->resetAfterTest(true);
3527  
3528          $user = self::getDataGenerator()->create_user();
3529          $otheruser = self::getDataGenerator()->create_user();
3530          $this->setUser($user);
3531  
3532          $this->expectException('moodle_exception');
3533          $prefs = core_message_external::get_user_message_preferences($otheruser->id);
3534      }
3535  
3536      /**
3537       * Comparison function for sorting contacts.
3538       *
3539       * @param array $a
3540       * @param array $b
3541       * @return bool
3542       */
3543      protected static function sort_contacts($a, $b) {
3544          return $a['userid'] <=> $b['userid'];
3545      }
3546  
3547      /**
3548       * Comparison function for sorting contacts.
3549       *
3550       * @param array $a
3551       * @param array $b
3552       * @return bool
3553       */
3554      protected static function sort_contacts_id($a, $b) {
3555          return $a['id'] <=> $b['id'];
3556      }
3557  
3558      /**
3559       * Test verifying that conversations can be marked as favourite conversations.
3560       */
3561      public function test_set_favourite_conversations_basic() {
3562          $this->resetAfterTest();
3563  
3564          $user1 = self::getDataGenerator()->create_user();
3565          $user2 = self::getDataGenerator()->create_user();
3566          $user3 = self::getDataGenerator()->create_user();
3567          $user4 = self::getDataGenerator()->create_user();
3568  
3569          $this->setUser($user1);
3570  
3571          // Now, create some conversations.
3572          $time = time();
3573          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3574          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3575          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3576  
3577          $this->send_message($user1, $user3, 'Booyah');
3578          $this->send_message($user3, $user1, 'Whaaat?');
3579          $this->send_message($user1, $user3, 'Nothing.');
3580  
3581          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3582          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3583  
3584          // Favourite 2 conversations as user 1.
3585          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3586          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3587          $result = core_message_external::set_favourite_conversations($user1->id, [$conversation1, $conversation2]);
3588  
3589          // We need to execute the return values cleaning process to simulate the web service server.
3590          $result = \external_api::clean_returnvalue(core_message_external::set_favourite_conversations_returns(), $result);
3591          $this->assertCount(0, $result);
3592      }
3593  
3594      /**
3595       * Test confirming that a user can't favourite a conversation on behalf of another user.
3596       */
3597      public function test_set_favourite_conversations_another_users_conversation() {
3598          $this->resetAfterTest();
3599  
3600          $user1 = self::getDataGenerator()->create_user();
3601          $user2 = self::getDataGenerator()->create_user();
3602          $user3 = self::getDataGenerator()->create_user();
3603  
3604          $this->setUser($user3);
3605  
3606          // Now, create some conversations.
3607          $time = time();
3608          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3609          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3610          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3611  
3612          $this->send_message($user1, $user3, 'Booyah');
3613          $this->send_message($user3, $user1, 'Whaaat?');
3614          $this->send_message($user1, $user3, 'Nothing.');
3615  
3616          // Try to favourite conversation 1 for user 2, as user3.
3617          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3618          $this->expectException(\moodle_exception::class);
3619          $result = core_message_external::set_favourite_conversations($user2->id, [$conversation1]);
3620      }
3621  
3622      /**
3623       * 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.
3624       */
3625      public function test_set_favourite_conversations_non_member() {
3626          $this->resetAfterTest();
3627  
3628          $user1 = self::getDataGenerator()->create_user();
3629          $user2 = self::getDataGenerator()->create_user();
3630          $user3 = self::getDataGenerator()->create_user();
3631  
3632          $this->setUser($user3);
3633  
3634          // Now, create some conversations.
3635          $time = time();
3636          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3637          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3638          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3639  
3640          $this->send_message($user1, $user3, 'Booyah');
3641          $this->send_message($user3, $user1, 'Whaaat?');
3642          $this->send_message($user1, $user3, 'Nothing.');
3643  
3644          // Try to favourite conversation 1 as user 3.
3645          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3646          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3647          $this->expectException(\moodle_exception::class);
3648          $result = core_message_external::set_favourite_conversations($user3->id, [$conversation1]);
3649      }
3650  
3651      /**
3652       * Test confirming that a user can't favourite a non-existent conversation.
3653       */
3654      public function test_set_favourite_conversations_non_existent_conversation() {
3655          $this->resetAfterTest();
3656  
3657          $user1 = self::getDataGenerator()->create_user();
3658          $this->setUser($user1);
3659  
3660          // Try to favourite a non-existent conversation.
3661          $this->expectException(\moodle_exception::class);
3662          $result = core_message_external::set_favourite_conversations($user1->id, [0]);
3663      }
3664  
3665      /**
3666       * Test confirming that a user can unset a favourite conversation, or list of favourite conversations.
3667       */
3668      public function test_unset_favourite_conversations_basic() {
3669          $this->resetAfterTest();
3670  
3671          $user1 = self::getDataGenerator()->create_user();
3672          $user2 = self::getDataGenerator()->create_user();
3673          $user3 = self::getDataGenerator()->create_user();
3674          $user4 = self::getDataGenerator()->create_user();
3675  
3676          $this->setUser($user1);
3677  
3678          // Now, create some conversations.
3679          $time = time();
3680          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3681          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3682          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3683  
3684          $this->send_message($user1, $user3, 'Booyah');
3685          $this->send_message($user3, $user1, 'Whaaat?');
3686          $this->send_message($user1, $user3, 'Nothing.');
3687  
3688          $this->send_message($user1, $user4, 'Hey mate, you see the new messaging UI in Moodle?');
3689          $this->send_message($user4, $user1, 'Yah brah, it\'s pretty rad.');
3690  
3691          // Favourite 2 conversations as user 1.
3692          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3693          $conversation2 = \core_message\api::get_conversation_between_users([$user1->id, $user3->id]);
3694          \core_message\api::set_favourite_conversation($conversation1, $user1->id);
3695          \core_message\api::set_favourite_conversation($conversation2, $user1->id);
3696          // Consider first conversations is self-conversation.
3697          $this->assertCount(3, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3698  
3699          // Unset favourite self-conversation.
3700          $selfconversation = \core_message\api::get_self_conversation($user1->id);
3701          $result = core_message_external::unset_favourite_conversations($user1->id, [$selfconversation->id]);
3702          $this->assertCount(2, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3703  
3704          // Now, using the web service, unset the favourite conversations.
3705          $result = core_message_external::unset_favourite_conversations($user1->id, [$conversation1, $conversation2]);
3706  
3707          // We need to execute the return values cleaning process to simulate the web service server.
3708          $result = \external_api::clean_returnvalue(core_message_external::unset_favourite_conversations_returns(), $result);
3709          $this->assertCount(0, $result);
3710      }
3711  
3712      /**
3713       * Test confirming that a user can't unfavourite a conversation for another user.
3714       */
3715      public function test_unset_favourite_conversations_another_users_conversation() {
3716          $this->resetAfterTest();
3717  
3718          $user1 = self::getDataGenerator()->create_user();
3719          $user2 = self::getDataGenerator()->create_user();
3720          $user3 = self::getDataGenerator()->create_user();
3721  
3722          $this->setUser($user3);
3723  
3724          // Now, create some conversations.
3725          $time = time();
3726          $this->send_message($user1, $user2, 'Yo!', 0, $time);
3727          $this->send_message($user2, $user1, 'Sup mang?', 0, $time + 1);
3728          $this->send_message($user1, $user2, 'Writing PHPUnit tests!', 0, $time + 2);
3729  
3730          $this->send_message($user1, $user3, 'Booyah');
3731          $this->send_message($user3, $user1, 'Whaaat?');
3732          $this->send_message($user1, $user3, 'Nothing.');
3733  
3734          // Favourite conversation 1 for user1. The current user ($USER) isn't checked for this action.
3735          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3736          \core_message\api::set_favourite_conversation($conversation1, $user1->id);
3737          // Consider first conversations is self-conversation.
3738          $this->assertCount(2, \core_message\api::get_conversations($user1->id, 0, 20, null, true));
3739  
3740          // Try to unfavourite conversation 1 for user 2, as user3.
3741          $conversation1 = \core_message\api::get_conversation_between_users([$user1->id, $user2->id]);
3742          $this->expectException(\moodle_exception::class);
3743          $result = core_message_external::unset_favourite_conversations($user2->id, [$conversation1]);
3744      }
3745  
3746      /**
3747       * Test confirming that a user can't unfavourite a non-existent conversation.
3748       */
3749      public function test_unset_favourite_conversations_non_existent_conversation() {
3750          $this->resetAfterTest();
3751  
3752          $user1 = self::getDataGenerator()->create_user();
3753          $this->setUser($user1);
3754  
3755          // Try to unfavourite a non-existent conversation.
3756          $this->expectException(\moodle_exception::class);
3757          $result = core_message_external::unset_favourite_conversations($user1->id, [0]);
3758      }
3759  
3760      /**
3761       * Helper to seed the database with initial state.
3762       */
3763      protected function create_conversation_test_data() {
3764          // Create some users.
3765          $user1 = self::getDataGenerator()->create_user();
3766          $user2 = self::getDataGenerator()->create_user();
3767          $user3 = self::getDataGenerator()->create_user();
3768          $user4 = self::getDataGenerator()->create_user();
3769  
3770          $time = 1;
3771  
3772          // Create some conversations. We want:
3773          // 1) At least one of each type (group, individual) of which user1 IS a member and DID send the most recent message.
3774          // 2) At least one of each type (group, individual) of which user1 IS a member and DID NOT send the most recent message.
3775          // 3) At least one of each type (group, individual) of which user1 IS NOT a member.
3776          // 4) At least two group conversation having 0 messages, of which user1 IS a member (To confirm conversationid ordering).
3777          // 5) At least one group conversation having 0 messages, of which user1 IS NOT a member.
3778  
3779          // Individual conversation, user1 is a member, last message from other user.
3780          $ic1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3781              [$user1->id, $user2->id]);
3782          testhelper::send_fake_message_to_conversation($user1, $ic1->id, 'Message 1', $time);
3783          testhelper::send_fake_message_to_conversation($user2, $ic1->id, 'Message 2', $time + 1);
3784  
3785          // Individual conversation, user1 is a member, last message from user1.
3786          $ic2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3787              [$user1->id, $user3->id]);
3788          testhelper::send_fake_message_to_conversation($user3, $ic2->id, 'Message 3', $time + 2);
3789          testhelper::send_fake_message_to_conversation($user1, $ic2->id, 'Message 4', $time + 3);
3790  
3791          // Individual conversation, user1 is not a member.
3792          $ic3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3793              [$user2->id, $user3->id]);
3794          testhelper::send_fake_message_to_conversation($user2, $ic3->id, 'Message 5', $time + 4);
3795          testhelper::send_fake_message_to_conversation($user3, $ic3->id, 'Message 6', $time + 5);
3796  
3797          // Group conversation, user1 is not a member.
3798          $gc1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3799              [$user2->id, $user3->id, $user4->id], 'Project discussions');
3800          testhelper::send_fake_message_to_conversation($user2, $gc1->id, 'Message 7', $time + 6);
3801          testhelper::send_fake_message_to_conversation($user4, $gc1->id, 'Message 8', $time + 7);
3802  
3803          // Group conversation, user1 is a member, last message from another user.
3804          $gc2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3805              [$user1->id, $user3->id, $user4->id], 'Group chat');
3806          testhelper::send_fake_message_to_conversation($user1, $gc2->id, 'Message 9', $time + 8);
3807          testhelper::send_fake_message_to_conversation($user3, $gc2->id, 'Message 10', $time + 9);
3808          testhelper::send_fake_message_to_conversation($user4, $gc2->id, 'Message 11', $time + 10);
3809  
3810          // Group conversation, user1 is a member, last message from user1.
3811          $gc3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3812              [$user1->id, $user2->id, $user3->id, $user4->id], 'Group chat again!');
3813          testhelper::send_fake_message_to_conversation($user4, $gc3->id, 'Message 12', $time + 11);
3814          testhelper::send_fake_message_to_conversation($user3, $gc3->id, 'Message 13', $time + 12);
3815          testhelper::send_fake_message_to_conversation($user1, $gc3->id, 'Message 14', $time + 13);
3816  
3817          // Empty group conversations (x2), user1 is a member.
3818          $gc4 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3819              [$user1->id, $user2->id, $user3->id], 'Empty group');
3820          $gc5 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3821              [$user1->id, $user2->id, $user4->id], 'Another empty group');
3822  
3823          // Empty group conversation, user1 is NOT a member.
3824          $gc6 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
3825              [$user2->id, $user3->id, $user4->id], 'Empty group 3');
3826  
3827          return [$user1, $user2, $user3, $user4, $ic1, $ic2, $ic3, $gc1, $gc2, $gc3, $gc4, $gc5, $gc6];
3828      }
3829  
3830      /**
3831       * Test confirming the basic use of get_conversations, with no limits, nor type or favourite restrictions.
3832       */
3833      public function test_get_conversations_no_restrictions() {
3834          $this->resetAfterTest(true);
3835  
3836          // Get a bunch of conversations, some group, some individual and in different states.
3837          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3838              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3839  
3840          // The user making the request.
3841          $this->setUser($user1);
3842  
3843          // Get all conversations for user1.
3844          $result = core_message_external::get_conversations($user1->id);
3845          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3846          $conversations = $result['conversations'];
3847  
3848          $selfconversation = \core_message\api::get_self_conversation($user1->id);
3849  
3850          // Verify there are 7 conversations: 2 individual, 2 group with message, 2 group without messages
3851          // and a self-conversation.
3852          // The conversations with the most recent messages should be listed first, followed by the most newly created
3853          // conversations without messages.
3854          $this->assertCount(7, $conversations);
3855          $this->assertEquals($gc3->id, $conversations[0]['id']);
3856          $this->assertEquals($gc2->id, $conversations[1]['id']);
3857          $this->assertEquals($ic2->id, $conversations[2]['id']);
3858          $this->assertEquals($ic1->id, $conversations[3]['id']);
3859          $this->assertEquals($gc5->id, $conversations[4]['id']);
3860          $this->assertEquals($gc4->id, $conversations[5]['id']);
3861          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
3862  
3863          foreach ($conversations as $conv) {
3864              $this->assertArrayHasKey('id', $conv);
3865              $this->assertArrayHasKey('name', $conv);
3866              $this->assertArrayHasKey('subname', $conv);
3867              $this->assertArrayHasKey('imageurl', $conv);
3868              $this->assertArrayHasKey('type', $conv);
3869              $this->assertArrayHasKey('membercount', $conv);
3870              $this->assertArrayHasKey('isfavourite', $conv);
3871              $this->assertArrayHasKey('isread', $conv);
3872              $this->assertArrayHasKey('unreadcount', $conv);
3873              $this->assertArrayHasKey('members', $conv);
3874              foreach ($conv['members'] as $member) {
3875                  $this->assertArrayHasKey('id', $member);
3876                  $this->assertArrayHasKey('fullname', $member);
3877                  $this->assertArrayHasKey('profileimageurl', $member);
3878                  $this->assertArrayHasKey('profileimageurlsmall', $member);
3879                  $this->assertArrayHasKey('isonline', $member);
3880                  $this->assertArrayHasKey('showonlinestatus', $member);
3881                  $this->assertArrayHasKey('isblocked', $member);
3882                  $this->assertArrayHasKey('iscontact', $member);
3883                  $this->assertArrayHasKey('isdeleted', $member);
3884                  $this->assertArrayHasKey('canmessage', $member);
3885                  $this->assertArrayHasKey('requirescontact', $member);
3886                  $this->assertArrayHasKey('contactrequests', $member);
3887              }
3888              $this->assertArrayHasKey('messages', $conv);
3889              foreach ($conv['messages'] as $message) {
3890                  $this->assertArrayHasKey('id', $message);
3891                  $this->assertArrayHasKey('useridfrom', $message);
3892                  $this->assertArrayHasKey('text', $message);
3893                  $this->assertArrayHasKey('timecreated', $message);
3894              }
3895          }
3896      }
3897  
3898      /**
3899       * Test verifying that html format messages are supported, and that message_format_message_text() is being called appropriately.
3900       */
3901      public function test_get_conversations_message_format() {
3902          $this->resetAfterTest();
3903  
3904          global $DB;
3905          // Create some users.
3906          $user1 = self::getDataGenerator()->create_user();
3907          $user2 = self::getDataGenerator()->create_user();
3908  
3909          // Create conversation.
3910          $conversation = \core_message\api::create_conversation(
3911              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
3912              [$user1->id, $user2->id]
3913          );
3914  
3915          // Send some messages back and forth.
3916          $time = 1;
3917          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Sup mang?', $time + 1);
3918          $mid = testhelper::send_fake_message_to_conversation($user1, $conversation->id, '<a href="#">A link</a>', $time + 2);
3919          $message = $DB->get_record('messages', ['id' => $mid]);
3920  
3921          // The user in scope.
3922          $this->setUser($user1);
3923  
3924          // Verify the format of the html message.
3925          $expectedmessagetext = message_format_message_text($message);
3926          $result = core_message_external::get_conversations($user1->id);
3927          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3928          $conversations = $result['conversations'];
3929          $messages = $conversations[0]['messages'];
3930          $this->assertEquals($expectedmessagetext, $messages[0]['text']);
3931      }
3932  
3933      /**
3934       * Tests retrieving conversations with a limit and offset to ensure pagination works correctly.
3935       */
3936      public function test_get_conversations_limit_offset() {
3937          $this->resetAfterTest(true);
3938  
3939          // Get a bunch of conversations, some group, some individual and in different states.
3940          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3941              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3942  
3943          // The user making the request.
3944          $this->setUser($user1);
3945  
3946          // Get all conversations for user1.
3947          $result = core_message_external::get_conversations($user1->id, 0, 1);
3948          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3949          $conversations = $result['conversations'];
3950  
3951          // Verify the first conversation.
3952          $this->assertCount(1, $conversations);
3953          $conversation = array_shift($conversations);
3954          $this->assertEquals($gc3->id, $conversation['id']);
3955  
3956          // Verify the next conversation.
3957          $result = core_message_external::get_conversations($user1->id, 1, 1);
3958          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3959          $conversations = $result['conversations'];
3960          $this->assertCount(1, $conversations);
3961          $this->assertEquals($gc2->id, $conversations[0]['id']);
3962  
3963          // Verify the next conversation.
3964          $result = core_message_external::get_conversations($user1->id, 2, 1);
3965          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3966          $conversations = $result['conversations'];
3967          $this->assertCount(1, $conversations);
3968          $this->assertEquals($ic2->id, $conversations[0]['id']);
3969  
3970          // Skip one and get both empty conversations.
3971          $result = core_message_external::get_conversations($user1->id, 4, 2);
3972          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
3973          $conversations = $result['conversations'];
3974          $this->assertCount(2, $conversations);
3975          $this->assertEquals($gc5->id, $conversations[0]['id']);
3976          $this->assertEmpty($conversations[0]['messages']);
3977          $this->assertEquals($gc4->id, $conversations[1]['id']);
3978          $this->assertEmpty($conversations[1]['messages']);
3979  
3980          // Ask for an offset that doesn't exist and verify no conversations are returned.
3981          $conversations = \core_message\api::get_conversations($user1->id, 10, 1);
3982          $this->assertCount(0, $conversations);
3983      }
3984  
3985      /**
3986       * Test verifying the type filtering behaviour of the get_conversations external method.
3987       */
3988      public function test_get_conversations_type_filter() {
3989          $this->resetAfterTest(true);
3990  
3991          // Get a bunch of conversations, some group, some individual and in different states.
3992          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
3993              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
3994  
3995          // The user making the request.
3996          $this->setUser($user1);
3997  
3998          // Verify we can ask for only individual conversations.
3999          $result = core_message_external::get_conversations($user1->id, 0, 20,
4000              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL);
4001          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4002          $conversations = $result['conversations'];
4003          $this->assertCount(2, $conversations);
4004  
4005          // Verify we can ask for only group conversations.
4006          $result = core_message_external::get_conversations($user1->id, 0, 20,
4007              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP);
4008          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4009          $conversations = $result['conversations'];
4010          $this->assertCount(4, $conversations);
4011  
4012          // Verify an exception is thrown if an unrecognized type is specified.
4013          $this->expectException(\moodle_exception::class);
4014          core_message_external::get_conversations($user1->id, 0, 20, 0);
4015      }
4016  
4017      /**
4018       * Tests retrieving conversations when a 'self' conversation exists.
4019       */
4020      public function test_get_conversations_self_conversations() {
4021          global $DB;
4022          $this->resetAfterTest();
4023  
4024          // Create a conversation between one user and themself.
4025          $user1 = self::getDataGenerator()->create_user();
4026          $conversation = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF,
4027              [$user1->id]);
4028          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Test message to self!');
4029  
4030          // Verify we are in a 'self' conversation state.
4031          $members = $DB->get_records('message_conversation_members', ['conversationid' => $conversation->id]);
4032          $this->assertCount(1, $members);
4033          $member = array_pop($members);
4034          $this->assertEquals($user1->id, $member->userid);
4035  
4036          // Verify this conversation is returned by the method.
4037          $this->setUser($user1);
4038          $result = core_message_external::get_conversations($user1->id, 0, 20);
4039          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4040          $conversations = $result['conversations'];
4041          $this->assertCount(1, $conversations);
4042      }
4043  
4044      /**
4045       * Tests retrieving conversations when a conversation contains a deleted user.
4046       */
4047      public function test_get_conversations_deleted_user() {
4048          $this->resetAfterTest(true);
4049  
4050          // Get a bunch of conversations, some group, some individual and in different states.
4051          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4052              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4053  
4054          // The user making the request.
4055          $this->setUser($user1);
4056  
4057          $selfconversation = \core_message\api::get_self_conversation($user1->id);
4058  
4059          // Delete the second user and retrieve the conversations.
4060          // We should have 6 still, as conversations with soft-deleted users are still returned.
4061          // Group conversations are also present, albeit with less members.
4062          delete_user($user2);
4063          $result = core_message_external::get_conversations($user1->id);
4064          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4065          $conversations = $result['conversations'];
4066          $this->assertCount(7, $conversations);
4067          $this->assertEquals($gc3->id, $conversations[0]['id']);
4068          $this->assertcount(1, $conversations[0]['members']);
4069          $this->assertEquals($gc2->id, $conversations[1]['id']);
4070          $this->assertcount(1, $conversations[1]['members']);
4071          $this->assertEquals($ic2->id, $conversations[2]['id']);
4072          $this->assertEquals($ic1->id, $conversations[3]['id']);
4073          $this->assertEquals($gc5->id, $conversations[4]['id']);
4074          $this->assertEquals($gc4->id, $conversations[5]['id']);
4075          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
4076  
4077          // Delete a user from a group conversation where that user had sent the most recent message.
4078          // This user will still be present in the members array, as will the message in the messages array.
4079          delete_user($user4);
4080          $result = core_message_external::get_conversations($user1->id);
4081          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4082          $conversations = $result['conversations'];
4083          $this->assertCount(7, $conversations);
4084          $this->assertEquals($gc2->id, $conversations[1]['id']);
4085          $this->assertcount(1, $conversations[1]['members']);
4086          $this->assertEquals($user4->id, $conversations[1]['members'][0]['id']);
4087          $this->assertcount(1, $conversations[1]['messages']);
4088          $this->assertEquals($user4->id, $conversations[1]['messages'][0]['useridfrom']);
4089  
4090          // Delete the third user and retrieve the conversations.
4091          // We should have 7 still (including self-conversation), as conversations with soft-deleted users are still returned.
4092          // Group conversations are also present, albeit with less members.
4093          delete_user($user3);
4094          $result = core_message_external::get_conversations($user1->id);
4095          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4096          $conversations = $result['conversations'];
4097          $this->assertCount(7, $conversations);
4098          $this->assertEquals($gc3->id, $conversations[0]['id']);
4099          $this->assertcount(1, $conversations[0]['members']);
4100          $this->assertEquals($gc2->id, $conversations[1]['id']);
4101          $this->assertcount(1, $conversations[1]['members']);
4102          $this->assertEquals($ic2->id, $conversations[2]['id']);
4103          $this->assertEquals($ic1->id, $conversations[3]['id']);
4104          $this->assertEquals($gc5->id, $conversations[4]['id']);
4105          $this->assertEquals($gc4->id, $conversations[5]['id']);
4106          $this->assertEquals($selfconversation->id, $conversations[6]['id']);
4107      }
4108  
4109      /**
4110       * Tests retrieving conversations when a conversation contains a deleted from the database user.
4111       */
4112      public function test_get_conversations_deleted_user_from_database() {
4113          global $DB;
4114  
4115          $this->resetAfterTest();
4116  
4117          $user1 = self::getDataGenerator()->create_user();
4118          $user2 = self::getDataGenerator()->create_user();
4119          $user3 = self::getDataGenerator()->create_user();
4120  
4121          $conversation1 = \core_message\api::create_conversation(
4122              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4123              [
4124                  $user1->id,
4125                  $user2->id
4126              ],
4127              'Individual conversation 1'
4128          );
4129  
4130          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'A');
4131          testhelper::send_fake_message_to_conversation($user2, $conversation1->id, 'B');
4132          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'C');
4133  
4134          $conversation2 = \core_message\api::create_conversation(
4135              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4136              [
4137                  $user1->id,
4138                  $user3->id
4139              ],
4140              'Individual conversation 2'
4141          );
4142  
4143          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'A');
4144          testhelper::send_fake_message_to_conversation($user3, $conversation2->id, 'B');
4145          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'C');
4146  
4147          $this->setUser($user1);
4148  
4149          // Delete the second user (from DB as well as this could happen in the past).
4150          delete_user($user2);
4151          $DB->delete_records('user', ['id' => $user2->id]);
4152          $result = core_message_external::get_conversations($user1->id, 0, 20, 1, false);
4153          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4154  
4155          $conversation = $result['conversations'];
4156  
4157          $this->assertCount(1, $conversation);
4158  
4159          $conversation = reset($conversation);
4160  
4161          $this->assertEquals($conversation2->id, $conversation['id']);
4162      }
4163  
4164      /**
4165       * Test verifying the behaviour of get_conversations() when fetching favourite conversations.
4166       */
4167      public function test_get_conversations_favourite_conversations() {
4168          $this->resetAfterTest(true);
4169  
4170          // Get a bunch of conversations, some group, some individual and in different states.
4171          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4172              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4173  
4174          // The user making the request.
4175          $this->setUser($user1);
4176  
4177          // Unset favourite self-conversation.
4178          $selfconversation = \core_message\api::get_self_conversation($user1->id);
4179          \core_message\api::unset_favourite_conversation($selfconversation->id, $user1->id);
4180  
4181          // Try to get ONLY favourite conversations, when no favourites exist.
4182          $result = core_message_external::get_conversations($user1->id, 0, 20, null, true);
4183          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4184          $conversations = $result['conversations'];
4185          $this->assertEquals([], $conversations);
4186  
4187          // Try to get NO favourite conversations, when no favourites exist.
4188          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4189          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4190          $conversations = $result['conversations'];
4191          // Consider first conversations is self-conversation.
4192          $this->assertCount(7, $conversations);
4193  
4194          // Mark a few conversations as favourites.
4195          \core_message\api::set_favourite_conversation($ic1->id, $user1->id);
4196          \core_message\api::set_favourite_conversation($gc2->id, $user1->id);
4197          \core_message\api::set_favourite_conversation($gc5->id, $user1->id);
4198  
4199          // Get the conversations, first with no restrictions, confirming the favourite status of the conversations.
4200          $result = core_message_external::get_conversations($user1->id);
4201          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4202          $conversations = $result['conversations'];
4203          $this->assertCount(7, $conversations);
4204          foreach ($conversations as $conv) {
4205              if (in_array($conv['id'], [$ic1->id, $gc2->id, $gc5->id])) {
4206                  $this->assertTrue($conv['isfavourite']);
4207              }
4208          }
4209  
4210          // Now, get ONLY favourite conversations.
4211          $result = core_message_external::get_conversations($user1->id, 0, 20, null, true);
4212          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4213          $conversations = $result['conversations'];
4214          $this->assertCount(3, $conversations);
4215          foreach ($conversations as $conv) {
4216              $this->assertTrue($conv['isfavourite']);
4217          }
4218  
4219          // Now, try ONLY favourites of type 'group'.
4220          $conversations = \core_message\api::get_conversations($user1->id, 0, 20,
4221              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP, true);
4222          $this->assertCount(2, $conversations);
4223          foreach ($conversations as $conv) {
4224              $this->assertTrue($conv->isfavourite);
4225          }
4226  
4227          // And NO favourite conversations.
4228          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4229          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4230          $conversations = $result['conversations'];
4231          $this->assertCount(4, $conversations);
4232          foreach ($conversations as $conv) {
4233              $this->assertFalse($conv['isfavourite']);
4234          }
4235      }
4236  
4237      /**
4238       * Test verifying that group linked conversations are returned and contain a subname matching the course name.
4239       */
4240      public function test_get_conversations_group_linked() {
4241          $this->resetAfterTest();
4242          global $CFG, $DB;
4243  
4244          // Create some users.
4245          $user1 = self::getDataGenerator()->create_user();
4246          $user2 = self::getDataGenerator()->create_user();
4247          $user3 = self::getDataGenerator()->create_user();
4248  
4249          $course1 = $this->getDataGenerator()->create_course();
4250  
4251          // Create a group with a linked conversation.
4252          $this->setAdminUser();
4253          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4254          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4255          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4256          $group1 = $this->getDataGenerator()->create_group([
4257              'courseid' => $course1->id,
4258              'enablemessaging' => 1,
4259              'picturepath' => $CFG->dirroot . '/lib/tests/fixtures/gd-logo.png'
4260          ]);
4261  
4262          // Add users to group1.
4263          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4264          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4265  
4266          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4267          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4268          $conversations = $result['conversations'];
4269  
4270          $this->assertEquals(2, $conversations[0]['membercount']);
4271          $this->assertEquals($course1->shortname, $conversations[0]['subname']);
4272          $groupimageurl = get_group_picture_url($group1, $group1->courseid, true);
4273          $this->assertEquals($groupimageurl, $conversations[0]['imageurl']);
4274  
4275          // Now, disable the conversation linked to the group and verify it's no longer returned.
4276          $DB->set_field('message_conversations', 'enabled', 0, ['id' => $conversations[0]['id']]);
4277          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4278          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4279          $conversations = $result['conversations'];
4280          $this->assertCount(0, $conversations);
4281      }
4282  
4283      /**
4284       * Test that group conversations containing MathJax don't break the WebService.
4285       */
4286      public function test_get_conversations_group_with_mathjax() {
4287          $this->resetAfterTest(true);
4288          $this->setAdminUser();
4289  
4290          // Enable MathJax filter in content and headings.
4291          $this->configure_filters([
4292              ['name' => 'mathjaxloader', 'state' => TEXTFILTER_ON, 'move' => -1, 'applytostrings' => true],
4293          ]);
4294  
4295          // Create some users, a course and a group with a linked conversation.
4296          $user1 = self::getDataGenerator()->create_user();
4297          $user2 = self::getDataGenerator()->create_user();
4298  
4299          $coursename = 'Course $$(a+b)=2$$';
4300          $groupname = 'Group $$(a+b)=2$$';
4301          $course1 = $this->getDataGenerator()->create_course(['shortname' => $coursename]);
4302  
4303          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4304          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4305          $group1 = $this->getDataGenerator()->create_group([
4306              'name' => $groupname,
4307              'courseid' => $course1->id,
4308              'enablemessaging' => 1,
4309          ]);
4310  
4311          // Add users to group1.
4312          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4313          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4314  
4315          // Call the WebService.
4316          $result = core_message_external::get_conversations($user1->id, 0, 20, null, false);
4317          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4318          $conversations = $result['conversations'];
4319  
4320          // Format original data.
4321          $coursecontext = \context_course::instance($course1->id);
4322          $coursename = external_format_string($coursename, $coursecontext->id);
4323          $groupname = external_format_string($groupname, $coursecontext->id);
4324  
4325          $this->assertStringContainsString('<span class="filter_mathjaxloader_equation">', $conversations[0]['name']);
4326          $this->assertStringContainsString('<span class="filter_mathjaxloader_equation">', $conversations[0]['subname']);
4327          $this->assertEquals($groupname, $conversations[0]['name']);
4328          $this->assertEquals($coursename, $conversations[0]['subname']);
4329      }
4330  
4331      /**
4332       * Test verifying get_conversations when there are users in a group and/or individual conversation. The reason this
4333       * test is performed is because we do not need as much data for group conversations (saving DB calls), so we want
4334       * to confirm this happens.
4335       */
4336      public function test_get_conversations_user_in_group_and_individual_chat() {
4337          $this->resetAfterTest();
4338  
4339          $user1 = self::getDataGenerator()->create_user();
4340          $user2 = self::getDataGenerator()->create_user();
4341          $user3 = self::getDataGenerator()->create_user();
4342  
4343          $conversation = \core_message\api::create_conversation(
4344              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4345              [
4346                  $user1->id,
4347                  $user2->id
4348              ],
4349              'Individual conversation'
4350          );
4351  
4352          testhelper::send_fake_message_to_conversation($user1, $conversation->id);
4353  
4354          $conversation = \core_message\api::create_conversation(
4355              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4356              [
4357                  $user1->id,
4358                  $user2->id,
4359              ],
4360              'Group conversation'
4361          );
4362  
4363          testhelper::send_fake_message_to_conversation($user1, $conversation->id);
4364  
4365          \core_message\api::create_contact_request($user1->id, $user2->id);
4366          \core_message\api::create_contact_request($user1->id, $user3->id);
4367  
4368          $this->setUser($user2);
4369          $result = core_message_external::get_conversations($user2->id);
4370          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4371          $conversations = $result['conversations'];
4372  
4373          $groupconversation = array_shift($conversations);
4374          $individualconversation = array_shift($conversations);
4375  
4376          $this->assertEquals('Group conversation', $groupconversation['name']);
4377          $this->assertEquals('Individual conversation', $individualconversation['name']);
4378  
4379          $this->assertCount(1, $groupconversation['members']);
4380          $this->assertCount(1, $individualconversation['members']);
4381  
4382          $groupmember = reset($groupconversation['members']);
4383          $this->assertNull($groupmember['requirescontact']);
4384          $this->assertNull($groupmember['canmessage']);
4385          $this->assertEmpty($groupmember['contactrequests']);
4386  
4387          $individualmember = reset($individualconversation['members']);
4388          $this->assertNotNull($individualmember['requirescontact']);
4389          $this->assertNotNull($individualmember['canmessage']);
4390          $this->assertNotEmpty($individualmember['contactrequests']);
4391      }
4392  
4393      /**
4394       * Test verifying get_conversations identifies if a conversation is muted or not.
4395       */
4396      public function test_get_conversations_some_muted() {
4397          $this->resetAfterTest();
4398  
4399          // Create some users.
4400          $user1 = self::getDataGenerator()->create_user();
4401          $user2 = self::getDataGenerator()->create_user();
4402          $user3 = self::getDataGenerator()->create_user();
4403  
4404          $conversation1 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4405              [$user1->id, $user2->id]);
4406          testhelper::send_fake_message_to_conversation($user1, $conversation1->id, 'Message 1');
4407          testhelper::send_fake_message_to_conversation($user2, $conversation1->id, 'Message 2');
4408          \core_message\api::mute_conversation($user1->id, $conversation1->id);
4409  
4410          $conversation2 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4411              [$user1->id, $user3->id]);
4412          testhelper::send_fake_message_to_conversation($user1, $conversation2->id, 'Message 1');
4413          testhelper::send_fake_message_to_conversation($user2, $conversation2->id, 'Message 2');
4414  
4415          $conversation3 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4416              [$user1->id, $user2->id]);
4417          \core_message\api::mute_conversation($user1->id, $conversation3->id);
4418  
4419          $conversation4 = \core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4420              [$user1->id, $user3->id]);
4421  
4422          $this->setUser($user1);
4423          $result = core_message_external::get_conversations($user1->id);
4424          $result = \external_api::clean_returnvalue(core_message_external::get_conversations_returns(), $result);
4425          $conversations = $result['conversations'];
4426  
4427          usort($conversations, function($first, $second){
4428              return $first['id'] <=> $second['id'];
4429          });
4430  
4431          $selfconversation = array_shift($conversations);
4432          $conv1 = array_shift($conversations);
4433          $conv2 = array_shift($conversations);
4434          $conv3 = array_shift($conversations);
4435          $conv4 = array_shift($conversations);
4436  
4437          $this->assertTrue($conv1['ismuted']);
4438          $this->assertFalse($conv2['ismuted']);
4439          $this->assertTrue($conv3['ismuted']);
4440          $this->assertFalse($conv4['ismuted']);
4441      }
4442  
4443      /**
4444       * Test returning members in a conversation with no contact requests.
4445       */
4446      public function test_get_conversation_members_messaging_disabled() {
4447          global $CFG;
4448  
4449          $this->resetAfterTest();
4450  
4451          $CFG->messaging = 0;
4452  
4453          $this->expectException('moodle_exception');
4454          core_message_external::get_conversation_members(1, 2);
4455      }
4456  
4457      /**
4458       * Test returning members in a conversation with no contact requests.
4459       */
4460      public function test_get_conversation_members_wrong_user() {
4461          $this->resetAfterTest();
4462  
4463          $user1 = self::getDataGenerator()->create_user();
4464          $user2 = self::getDataGenerator()->create_user();
4465  
4466          $this->setUser($user2);
4467  
4468          $this->expectException('moodle_exception');
4469          core_message_external::get_conversation_members($user1->id, 2);
4470      }
4471  
4472      /**
4473       * Test returning members in a conversation with no contact requests.
4474       */
4475      public function test_get_conversation_members() {
4476          $this->resetAfterTest();
4477  
4478          $lastaccess = new \stdClass();
4479          $lastaccess->lastaccess = time();
4480  
4481          $user1 = self::getDataGenerator()->create_user($lastaccess);
4482          $user2 = self::getDataGenerator()->create_user();
4483          $user3 = self::getDataGenerator()->create_user();
4484  
4485          // This user will not be in the conversation, but a contact request will exist for them.
4486          $user4 = self::getDataGenerator()->create_user();
4487  
4488          // Add some contact requests.
4489          \core_message\api::create_contact_request($user1->id, $user3->id);
4490          \core_message\api::create_contact_request($user1->id, $user4->id);
4491          \core_message\api::create_contact_request($user2->id, $user3->id);
4492  
4493          // User 1 and 2 are already contacts.
4494          \core_message\api::add_contact($user1->id, $user2->id);
4495  
4496          // User 1 has blocked user 3.
4497          \core_message\api::block_user($user1->id, $user3->id);
4498  
4499          $conversation = \core_message\api::create_conversation(
4500              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4501              [
4502                  $user1->id,
4503                  $user2->id,
4504                  $user3->id
4505              ]
4506          );
4507          $conversationid = $conversation->id;
4508  
4509          $this->setAdminUser();
4510  
4511          $members = core_message_external::get_conversation_members($user1->id, $conversationid, false);
4512          \external_api::clean_returnvalue(core_message_external::get_conversation_members_returns(), $members);
4513  
4514          // Sort them by id.
4515          ksort($members);
4516          $this->assertCount(3, $members);
4517          $member1 = array_shift($members);
4518          $member2 = array_shift($members);
4519          $member3 = array_shift($members);
4520  
4521          // Confirm the standard fields are OK.
4522          $this->assertEquals($user1->id, $member1->id);
4523          $this->assertEquals(fullname($user1), $member1->fullname);
4524          $this->assertEquals(true, $member1->isonline);
4525          $this->assertEquals(true, $member1->showonlinestatus);
4526          $this->assertEquals(false, $member1->iscontact);
4527          $this->assertEquals(false, $member1->isblocked);
4528          $this->assertObjectHasAttribute('contactrequests', $member1);
4529          $this->assertEmpty($member1->contactrequests);
4530  
4531          $this->assertEquals($user2->id, $member2->id);
4532          $this->assertEquals(fullname($user2), $member2->fullname);
4533          $this->assertEquals(false, $member2->isonline);
4534          $this->assertEquals(true, $member2->showonlinestatus);
4535          $this->assertEquals(true, $member2->iscontact);
4536          $this->assertEquals(false, $member2->isblocked);
4537          $this->assertObjectHasAttribute('contactrequests', $member2);
4538          $this->assertEmpty($member2->contactrequests);
4539  
4540          $this->assertEquals($user3->id, $member3->id);
4541          $this->assertEquals(fullname($user3), $member3->fullname);
4542          $this->assertEquals(false, $member3->isonline);
4543          $this->assertEquals(true, $member3->showonlinestatus);
4544          $this->assertEquals(false, $member3->iscontact);
4545          $this->assertEquals(true, $member3->isblocked);
4546          $this->assertObjectHasAttribute('contactrequests', $member3);
4547          $this->assertEmpty($member3->contactrequests);
4548      }
4549  
4550      /**
4551       * Test returning members in a conversation with contact requests.
4552       */
4553      public function test_get_conversation_members_with_contact_requests() {
4554          $this->resetAfterTest();
4555  
4556          $lastaccess = new \stdClass();
4557          $lastaccess->lastaccess = time();
4558  
4559          $user1 = self::getDataGenerator()->create_user($lastaccess);
4560          $user2 = self::getDataGenerator()->create_user();
4561          $user3 = self::getDataGenerator()->create_user();
4562  
4563          // This user will not be in the conversation, but a contact request will exist for them.
4564          $user4 = self::getDataGenerator()->create_user();
4565  
4566          // Add some contact requests.
4567          \core_message\api::create_contact_request($user1->id, $user2->id);
4568          \core_message\api::create_contact_request($user1->id, $user3->id);
4569          \core_message\api::create_contact_request($user1->id, $user4->id);
4570          \core_message\api::create_contact_request($user2->id, $user3->id);
4571  
4572          // User 1 and 2 are already contacts.
4573          \core_message\api::add_contact($user1->id, $user2->id);
4574          // User 1 has blocked user 3.
4575          \core_message\api::block_user($user1->id, $user3->id);
4576  
4577          $conversation = \core_message\api::create_conversation(
4578              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4579              [
4580                  $user1->id,
4581                  $user2->id,
4582                  $user3->id
4583              ]
4584          );
4585          $conversationid = $conversation->id;
4586  
4587          $this->setAdminUser();
4588  
4589          $members = core_message_external::get_conversation_members($user1->id, $conversationid, true);
4590          \external_api::clean_returnvalue(core_message_external::get_conversation_members_returns(), $members);
4591  
4592          // Sort them by id.
4593          ksort($members);
4594          $this->assertCount(3, $members);
4595          $member1 = array_shift($members);
4596          $member2 = array_shift($members);
4597          $member3 = array_shift($members);
4598  
4599          // Confirm the standard fields are OK.
4600          $this->assertEquals($user1->id, $member1->id);
4601          $this->assertEquals(fullname($user1), $member1->fullname);
4602          $this->assertEquals(true, $member1->isonline);
4603          $this->assertEquals(true, $member1->showonlinestatus);
4604          $this->assertEquals(false, $member1->iscontact);
4605          $this->assertEquals(false, $member1->isblocked);
4606          $this->assertCount(2, $member1->contactrequests);
4607  
4608          $this->assertEquals($user2->id, $member2->id);
4609          $this->assertEquals(fullname($user2), $member2->fullname);
4610          $this->assertEquals(false, $member2->isonline);
4611          $this->assertEquals(true, $member2->showonlinestatus);
4612          $this->assertEquals(true, $member2->iscontact);
4613          $this->assertEquals(false, $member2->isblocked);
4614          $this->assertCount(1, $member2->contactrequests);
4615  
4616          $this->assertEquals($user3->id, $member3->id);
4617          $this->assertEquals(fullname($user3), $member3->fullname);
4618          $this->assertEquals(false, $member3->isonline);
4619          $this->assertEquals(true, $member3->showonlinestatus);
4620          $this->assertEquals(false, $member3->iscontact);
4621          $this->assertEquals(true, $member3->isblocked);
4622          $this->assertCount(1, $member3->contactrequests);
4623  
4624          // Confirm the contact requests are OK.
4625          $request1 = array_shift($member1->contactrequests);
4626          $request2 = array_shift($member1->contactrequests);
4627  
4628          $this->assertEquals($user1->id, $request1->userid);
4629          $this->assertEquals($user2->id, $request1->requesteduserid);
4630  
4631          $this->assertEquals($user1->id, $request2->userid);
4632          $this->assertEquals($user3->id, $request2->requesteduserid);
4633  
4634          $request1 = array_shift($member2->contactrequests);
4635  
4636          $this->assertEquals($user1->id, $request1->userid);
4637          $this->assertEquals($user2->id, $request1->requesteduserid);
4638  
4639          $request1 = array_shift($member3->contactrequests);
4640  
4641          $this->assertEquals($user1->id, $request1->userid);
4642          $this->assertEquals($user3->id, $request1->requesteduserid);
4643      }
4644  
4645      /**
4646       * Test returning members in a conversation when you are not a member.
4647       */
4648      public function test_get_conversation_members_not_a_member() {
4649          $this->resetAfterTest();
4650  
4651          $user1 = self::getDataGenerator()->create_user();
4652          $user2 = self::getDataGenerator()->create_user();
4653  
4654          // This user will not be in the conversation.
4655          $user3 = self::getDataGenerator()->create_user();
4656  
4657          $conversation = \core_message\api::create_conversation(
4658              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
4659              [
4660                  $user1->id,
4661                  $user2->id,
4662              ]
4663          );
4664          $conversationid = $conversation->id;
4665  
4666          $this->setUser($user3);
4667  
4668          $this->expectException('moodle_exception');
4669          core_message_external::get_conversation_members($user3->id, $conversationid);
4670      }
4671  
4672      /**
4673       * Test verifying multiple messages can be sent to an individual conversation.
4674       */
4675      public function test_send_messages_to_conversation_individual() {
4676          $this->resetAfterTest(true);
4677  
4678          // Get a bunch of conversations, some group, some individual and in different states.
4679          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4680              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4681  
4682          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4683          $course1 = $this->getDataGenerator()->create_course();
4684          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4685          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4686          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4687          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4688  
4689          // The user making the request.
4690          $this->setUser($user1);
4691  
4692          // Try to send a message as user1 to a conversation user1 is a a part of.
4693          $messages = [
4694              [
4695                  'text' => 'a message from user 1',
4696                  'textformat' => FORMAT_MOODLE
4697              ],
4698              [
4699                  'text' => 'another message from user 1',
4700                  'textformat' => FORMAT_MOODLE
4701              ],
4702          ];
4703          // Redirect messages.
4704          // This marks messages as read, but we can still observe and verify the number of conversation recipients,
4705          // based on the message_viewed events generated as part of marking the message as read for each user.
4706          $this->preventResetByRollback();
4707          $sink = $this->redirectMessages();
4708          $writtenmessages = core_message_external::send_messages_to_conversation($ic1->id, $messages);
4709  
4710          \external_api::clean_returnvalue(core_message_external::send_messages_to_conversation_returns(), $writtenmessages);
4711  
4712          $this->assertCount(2, $writtenmessages);
4713          $this->assertObjectHasAttribute('id', $writtenmessages[0]);
4714          $this->assertEquals($user1->id, $writtenmessages[0]->useridfrom);
4715          $this->assertEquals('<p>a message from user 1</p>', $writtenmessages[0]->text);
4716          $this->assertNotEmpty($writtenmessages[0]->timecreated);
4717  
4718          $this->assertObjectHasAttribute('id', $writtenmessages[1]);
4719          $this->assertEquals($user1->id, $writtenmessages[1]->useridfrom);
4720          $this->assertEquals('<p>another message from user 1</p>', $writtenmessages[1]->text);
4721          $this->assertNotEmpty($writtenmessages[1]->timecreated);
4722      }
4723  
4724      /**
4725       * Test verifying multiple messages can be sent to an group conversation.
4726       */
4727      public function test_send_messages_to_conversation_group() {
4728          $this->resetAfterTest(true);
4729  
4730          // Get a bunch of conversations, some group, some individual and in different states.
4731          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4732              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4733  
4734          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4735          $course1 = $this->getDataGenerator()->create_course();
4736          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4737          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4738          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4739          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4740  
4741          // The user making the request.
4742          $this->setUser($user1);
4743  
4744          // Try to send a message as user1 to a conversation user1 is a a part of.
4745          $messages = [
4746              [
4747                  'text' => 'a message from user 1 to group conv',
4748                  'textformat' => FORMAT_MOODLE
4749              ],
4750              [
4751                  'text' => 'another message from user 1 to group conv',
4752                  'textformat' => FORMAT_MOODLE
4753              ],
4754          ];
4755          // Redirect messages.
4756          // This marks messages as read, but we can still observe and verify the number of conversation recipients,
4757          // based on the message_viewed events generated as part of marking the message as read for each user.
4758          $this->preventResetByRollback();
4759          $sink = $this->redirectMessages();
4760          $writtenmessages = core_message_external::send_messages_to_conversation($gc2->id, $messages);
4761  
4762          \external_api::clean_returnvalue(core_message_external::send_messages_to_conversation_returns(), $writtenmessages);
4763  
4764          $this->assertCount(2, $writtenmessages);
4765          $this->assertObjectHasAttribute('id', $writtenmessages[0]);
4766          $this->assertEquals($user1->id, $writtenmessages[0]->useridfrom);
4767          $this->assertEquals('<p>a message from user 1 to group conv</p>', $writtenmessages[0]->text);
4768          $this->assertNotEmpty($writtenmessages[0]->timecreated);
4769  
4770          $this->assertObjectHasAttribute('id', $writtenmessages[1]);
4771          $this->assertEquals($user1->id, $writtenmessages[1]->useridfrom);
4772          $this->assertEquals('<p>another message from user 1 to group conv</p>', $writtenmessages[1]->text);
4773          $this->assertNotEmpty($writtenmessages[1]->timecreated);
4774      }
4775  
4776      /**
4777       * Test verifying multiple messages can not be sent to a non existent conversation.
4778       */
4779      public function test_send_messages_to_conversation_non_existent_conversation() {
4780          $this->resetAfterTest(true);
4781  
4782          // Get a bunch of conversations, some group, some individual and in different states.
4783          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4784              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4785  
4786          // The user making the request.
4787          $this->setUser($user1);
4788  
4789          // Try to send a message as user1 to a conversation user1 is a a part of.
4790          $messages = [
4791              [
4792                  'text' => 'a message from user 1',
4793                  'textformat' => FORMAT_MOODLE
4794              ],
4795              [
4796                  'text' => 'another message from user 1',
4797                  'textformat' => FORMAT_MOODLE
4798              ],
4799          ];
4800          $this->expectException(\moodle_exception::class);
4801          $writtenmessages = core_message_external::send_messages_to_conversation(0, $messages);
4802      }
4803  
4804      /**
4805       * Test verifying multiple messages can not be sent to a conversation by a non-member.
4806       */
4807      public function test_send_messages_to_conversation_non_member() {
4808          $this->resetAfterTest(true);
4809  
4810          // Get a bunch of conversations, some group, some individual and in different states.
4811          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4812              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4813  
4814          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4815          $course1 = $this->getDataGenerator()->create_course();
4816          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4817          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4818          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4819          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4820  
4821          // The user making the request. This user is not a member of group conversation 1 (gc1).
4822          $this->setUser($user1);
4823  
4824          // Try to send a message as user1 to a conversation user1 is a a part of.
4825          $messages = [
4826              [
4827                  'text' => 'a message from user 1 to group conv',
4828                  'textformat' => FORMAT_MOODLE
4829              ],
4830              [
4831                  'text' => 'another message from user 1 to group conv',
4832                  'textformat' => FORMAT_MOODLE
4833              ],
4834          ];
4835          $this->expectException(\moodle_exception::class);
4836          $writtenmessages = core_message_external::send_messages_to_conversation($gc1->id, $messages);
4837      }
4838  
4839      /**
4840       * Test verifying a to long message can not be sent to a conversation.
4841       */
4842      public function test_send_messages_to_conversation_long_text() {
4843          $this->resetAfterTest(true);
4844  
4845          // Get a bunch of conversations, some group, some individual and in different states.
4846          list($user1, $user2, $user3, $user4, $ic1, $ic2, $ic3,
4847              $gc1, $gc2, $gc3, $gc4, $gc5, $gc6) = $this->create_conversation_test_data();
4848  
4849          // Enrol the users in the same course, so the default privacy controls (course + contacts) can be used.
4850          $course1 = $this->getDataGenerator()->create_course();
4851          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4852          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4853          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4854          $this->getDataGenerator()->enrol_user($user4->id, $course1->id);
4855  
4856          // The user making the request.
4857          $this->setUser($user1);
4858  
4859          // Try to send a message as user1 to a conversation user1 is a a part of.
4860          $messages = [
4861              [
4862                  'text' => str_repeat("M", \core_message\api::MESSAGE_MAX_LENGTH + 100),
4863                  'textformat' => FORMAT_MOODLE
4864              ],
4865          ];
4866  
4867          $this->expectException(\moodle_exception::class);
4868          $writtenmessages = core_message_external::send_messages_to_conversation($gc2->id, $messages);
4869      }
4870  
4871      /**
4872       * Test getting a conversation that doesn't exist.
4873       */
4874      public function test_get_conversation_no_conversation() {
4875          $this->resetAfterTest();
4876  
4877          $user1 = self::getDataGenerator()->create_user();
4878          $user2 = self::getDataGenerator()->create_user();
4879  
4880          $name = 'lol conversation';
4881          $conversation = \core_message\api::create_conversation(
4882              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4883              [
4884                  $user1->id,
4885                  $user2->id,
4886              ],
4887              $name
4888          );
4889          $conversationid = $conversation->id;
4890  
4891          $this->setUser($user1);
4892  
4893          $this->expectException('moodle_exception');
4894          $conv = core_message_external::get_conversation($user1->id, $conversationid + 1);
4895          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4896      }
4897  
4898      /**
4899       * Test verifying that the correct favourite information is returned for a non-linked converastion at user context.
4900       */
4901      public function test_get_conversation_favourited() {
4902          $this->resetAfterTest();
4903  
4904          $user1 = self::getDataGenerator()->create_user();
4905          $user2 = self::getDataGenerator()->create_user();
4906  
4907          // Create a conversation between the 2 users.
4908          $conversation = \core_message\api::create_conversation(
4909              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4910              [
4911                  $user1->id,
4912                  $user2->id,
4913              ],
4914              'An individual conversation'
4915          );
4916  
4917          // Favourite the conversation as user 1 only.
4918          \core_message\api::set_favourite_conversation($conversation->id, $user1->id);
4919  
4920          // Get the conversation for user1 and confirm it's favourited.
4921          $this->setUser($user1);
4922          $conv = core_message_external::get_conversation($user1->id, $conversation->id);
4923          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4924          $this->assertTrue($conv['isfavourite']);
4925  
4926          // Get the conversation for user2 and confirm it's NOT favourited.
4927          $this->setUser($user2);
4928          $conv = core_message_external::get_conversation($user2->id, $conversation->id);
4929          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4930          $this->assertFalse($conv['isfavourite']);
4931      }
4932  
4933      /**
4934       * Test verifying that the correct favourite information is returned for a group-linked conversation at course context.
4935       */
4936      public function test_get_conversation_favourited_group_linked() {
4937          $this->resetAfterTest();
4938          global $DB;
4939  
4940          $user1 = self::getDataGenerator()->create_user();
4941          $user2 = self::getDataGenerator()->create_user();
4942          $user3 = self::getDataGenerator()->create_user();
4943  
4944          $course1 = $this->getDataGenerator()->create_course();
4945          $course1context = \context_course::instance($course1->id);
4946  
4947          // Create a group with a linked conversation and a valid image.
4948          $this->setAdminUser();
4949          $this->getDataGenerator()->enrol_user($user1->id, $course1->id);
4950          $this->getDataGenerator()->enrol_user($user2->id, $course1->id);
4951          $this->getDataGenerator()->enrol_user($user3->id, $course1->id);
4952          $group1 = $this->getDataGenerator()->create_group([
4953              'courseid' => $course1->id,
4954              'enablemessaging' => 1
4955          ]);
4956  
4957          // Add users to group1.
4958          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user1->id));
4959          $this->getDataGenerator()->create_group_member(array('groupid' => $group1->id, 'userid' => $user2->id));
4960  
4961          // Verify that the conversation is a group linked conversation in the course context.
4962          $conversationrecord = $DB->get_record('message_conversations', ['component' => 'core_group', 'itemtype' => 'groups']);
4963          $this->assertEquals($course1context->id, $conversationrecord->contextid);
4964  
4965          // Favourite the conversation as user 1 only.
4966          \core_message\api::set_favourite_conversation($conversationrecord->id, $user1->id);
4967  
4968          // Get the conversation for user1 and confirm it's favourited.
4969          $this->setUser($user1);
4970          $conv = core_message_external::get_conversation($user1->id, $conversationrecord->id);
4971          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4972          $this->assertTrue($conv['isfavourite']);
4973  
4974          // Get the conversation for user2 and confirm it's NOT favourited.
4975          $this->setUser($user2);
4976          $conv = core_message_external::get_conversation($user2->id, $conversationrecord->id);
4977          $conv = \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
4978          $this->assertFalse($conv['isfavourite']);
4979      }
4980  
4981      /**
4982       * Test getting a conversation with no messages.
4983       */
4984      public function test_get_conversation_no_messages() {
4985          $this->resetAfterTest();
4986  
4987          $user1 = self::getDataGenerator()->create_user();
4988          $user2 = self::getDataGenerator()->create_user();
4989  
4990          $name = 'lol conversation';
4991          $conversation = \core_message\api::create_conversation(
4992              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
4993              [
4994                  $user1->id,
4995                  $user2->id,
4996              ],
4997              $name
4998          );
4999          $conversationid = $conversation->id;
5000  
5001          $this->setUser($user1);
5002  
5003          $conv = core_message_external::get_conversation($user1->id, $conversationid);
5004          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5005  
5006          $conv = (array) $conv;
5007          $this->assertEquals($conversationid, $conv['id']);
5008          $this->assertEquals($name, $conv['name']);
5009          $this->assertArrayHasKey('subname', $conv);
5010          $this->assertEquals(\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL, $conv['type']);
5011          $this->assertEquals(2, $conv['membercount']);
5012          $this->assertEquals(false, $conv['isfavourite']);
5013          $this->assertEquals(true, $conv['isread']);
5014          $this->assertEquals(0, $conv['unreadcount']);
5015          $this->assertCount(1, $conv['members']);
5016          foreach ($conv['members'] as $member) {
5017              $member = (array) $member;
5018              $this->assertArrayHasKey('id', $member);
5019              $this->assertArrayHasKey('fullname', $member);
5020              $this->assertArrayHasKey('profileimageurl', $member);
5021              $this->assertArrayHasKey('profileimageurlsmall', $member);
5022              $this->assertArrayHasKey('isonline', $member);
5023              $this->assertArrayHasKey('showonlinestatus', $member);
5024              $this->assertArrayHasKey('isblocked', $member);
5025              $this->assertArrayHasKey('iscontact', $member);
5026          }
5027          $this->assertEmpty($conv['messages']);
5028      }
5029  
5030      /**
5031       * Test getting a conversation with messages.
5032       */
5033      public function test_get_conversation_with_messages() {
5034          $this->resetAfterTest();
5035  
5036          $user1 = self::getDataGenerator()->create_user();
5037          $user2 = self::getDataGenerator()->create_user();
5038          $user3 = self::getDataGenerator()->create_user();
5039  
5040          // Some random conversation.
5041          $otherconversation = \core_message\api::create_conversation(
5042              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5043              [
5044                  $user1->id,
5045                  $user3->id,
5046              ]
5047          );
5048  
5049          $conversation = \core_message\api::create_conversation(
5050              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5051              [
5052                  $user1->id,
5053                  $user2->id,
5054              ]
5055          );
5056          $conversationid = $conversation->id;
5057  
5058          $time = time();
5059          $message1id = testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'A', $time - 10);
5060          $message2id = testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'B', $time - 5);
5061          $message3id = testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'C', $time);
5062  
5063          // Add some messages to the other convo to make sure they aren't included.
5064          testhelper::send_fake_message_to_conversation($user1, $otherconversation->id, 'foo');
5065  
5066          $this->setUser($user1);
5067  
5068          // Test newest first.
5069          $conv = core_message_external::get_conversation(
5070              $user1->id,
5071              $conversationid,
5072              false,
5073              false,
5074              0,
5075              0,
5076              0,
5077              0,
5078              true
5079          );
5080          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5081  
5082          $conv = (array) $conv;
5083          $this->assertEquals(false, $conv['isread']);
5084          $this->assertEquals(1, $conv['unreadcount']);
5085          $this->assertCount(3, $conv['messages']);
5086          $this->assertEquals($message3id, $conv['messages'][0]->id);
5087          $this->assertEquals($user1->id, $conv['messages'][0]->useridfrom);
5088          $this->assertEquals($message2id, $conv['messages'][1]->id);
5089          $this->assertEquals($user2->id, $conv['messages'][1]->useridfrom);
5090          $this->assertEquals($message1id, $conv['messages'][2]->id);
5091          $this->assertEquals($user1->id, $conv['messages'][2]->useridfrom);
5092  
5093          // Test newest last.
5094          $conv = core_message_external::get_conversation(
5095              $user1->id,
5096              $conversationid,
5097              false,
5098              false,
5099              0,
5100              0,
5101              0,
5102              0,
5103              false
5104          );
5105          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5106  
5107          $conv = (array) $conv;
5108          $this->assertCount(3, $conv['messages']);
5109          $this->assertEquals($message3id, $conv['messages'][2]->id);
5110          $this->assertEquals($user1->id, $conv['messages'][2]->useridfrom);
5111          $this->assertEquals($message2id, $conv['messages'][1]->id);
5112          $this->assertEquals($user2->id, $conv['messages'][1]->useridfrom);
5113          $this->assertEquals($message1id, $conv['messages'][0]->id);
5114          $this->assertEquals($user1->id, $conv['messages'][0]->useridfrom);
5115  
5116          // Test message offest and limit.
5117          $conv = core_message_external::get_conversation(
5118              $user1->id,
5119              $conversationid,
5120              false,
5121              false,
5122              0,
5123              0,
5124              1,
5125              1,
5126              true
5127          );
5128          \external_api::clean_returnvalue(core_message_external::get_conversation_returns(), $conv);
5129  
5130          $conv = (array) $conv;
5131          $this->assertCount(1, $conv['messages']);
5132          $this->assertEquals($message2id, $conv['messages'][0]->id);
5133          $this->assertEquals($user2->id, $conv['messages'][0]->useridfrom);
5134      }
5135  
5136      /**
5137       * Data provider for test_get_conversation_counts().
5138       */
5139      public function get_conversation_counts_test_cases() {
5140          $typeindividual = \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL;
5141          $typegroup = \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP;
5142          $typeself = \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF;
5143          list($user1, $user2, $user3, $user4, $user5, $user6, $user7, $user8) = [0, 1, 2, 3, 4, 5, 6, 7];
5144          $conversations = [
5145              [
5146                  'type' => $typeindividual,
5147                  'users' => [$user1, $user2],
5148                  'messages' => [$user1, $user2, $user2],
5149                  'favourites' => [$user1],
5150                  'enabled' => null // Individual conversations cannot be disabled.
5151              ],
5152              [
5153                  'type' => $typeindividual,
5154                  'users' => [$user1, $user3],
5155                  'messages' => [$user1, $user3, $user1],
5156                  'favourites' => [],
5157                  'enabled' => null // Individual conversations cannot be disabled.
5158              ],
5159              [
5160                  'type' => $typegroup,
5161                  'users' => [$user1, $user2, $user3, $user4],
5162                  'messages' => [$user1, $user2, $user3, $user4],
5163                  'favourites' => [],
5164                  'enabled' => true
5165              ],
5166              [
5167                  'type' => $typegroup,
5168                  'users' => [$user2, $user3, $user4],
5169                  'messages' => [$user2, $user3, $user4],
5170                  'favourites' => [],
5171                  'enabled' => true
5172              ],
5173              [
5174                  'type' => $typegroup,
5175                  'users' => [$user6, $user7],
5176                  'messages' => [$user6, $user7, $user7],
5177                  'favourites' => [$user6],
5178                  'enabled' => false
5179              ],
5180              [
5181                  'type' => $typeself,
5182                  'users' => [$user8],
5183                  'messages' => [$user8],
5184                  'favourites' => [],
5185                  'enabled' => null // Individual conversations cannot be disabled.
5186              ],
5187          ];
5188  
5189          return [
5190              'No conversations' => [
5191                  'conversationConfigs' => $conversations,
5192                  'deletemessagesuser' => null,
5193                  'deletemessages' => [],
5194                  'arguments' => [$user5],
5195                  'expectedcounts' => ['favourites' => 1, 'types' => [
5196                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5197                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5198                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5199                  ]],
5200                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5201                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5202                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5203                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5204                  ]],
5205                  'deletedusers' => []
5206              ],
5207              'No individual conversations, 2 group conversations' => [
5208                  'conversationConfigs' => $conversations,
5209                  'deletemessagesuser' => null,
5210                  'deletemessages' => [],
5211                  'arguments' => [$user4],
5212                  'expectedcounts' => ['favourites' => 1, 'types' => [
5213                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5214                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5215                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5216                  ]],
5217                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5218                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5219                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5220                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5221                  ]],
5222                  'deletedusers' => []
5223              ],
5224              '2 individual conversations (one favourited), 1 group conversation' => [
5225                  'conversationConfigs' => $conversations,
5226                  'deletemessagesuser' => null,
5227                  'deletemessages' => [],
5228                  'arguments' => [$user1],
5229                  'expectedcounts' => ['favourites' => 2, 'types' => [
5230                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5231                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5232                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5233                  ]],
5234                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5235                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5236                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5237                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5238                  ]],
5239                  'deletedusers' => []
5240              ],
5241              '1 individual conversation, 2 group conversations' => [
5242                  'conversationConfigs' => $conversations,
5243                  'deletemessagesuser' => null,
5244                  'deletemessages' => [],
5245                  'arguments' => [$user2],
5246                  'expectedcounts' => ['favourites' => 1, 'types' => [
5247                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5248                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5249                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5250                  ]],
5251                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5252                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5253                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5254                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5255                  ]],
5256                  'deletedusers' => []
5257              ],
5258              '2 group conversations only' => [
5259                  'conversationConfigs' => $conversations,
5260                  'deletemessagesuser' => null,
5261                  'deletemessages' => [],
5262                  'arguments' => [$user4],
5263                  'expectedcounts' => ['favourites' => 1, 'types' => [
5264                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5265                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5266                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5267                  ]],
5268                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5269                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5270                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5271                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5272                  ]],
5273                  'deletedusers' => []
5274              ],
5275              'All conversation types, delete a message from individual favourited, messages remaining' => [
5276                  'conversationConfigs' => $conversations,
5277                  'deletemessagesuser' => $user1,
5278                  'deletemessages' => [0],
5279                  'arguments' => [$user1],
5280                  'expectedcounts' => ['favourites' => 2, 'types' => [
5281                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5282                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5283                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5284                  ]],
5285                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5286                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5287                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5288                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5289                  ]],
5290                  'deletedusers' => []
5291              ],
5292              'All conversation types, delete a message from individual non-favourited, messages remaining' => [
5293                  'conversationConfigs' => $conversations,
5294                  'deletemessagesuser' => $user1,
5295                  'deletemessages' => [3],
5296                  'arguments' => [$user1],
5297                  'expectedcounts' => ['favourites' => 2, 'types' => [
5298                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5299                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5300                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5301                  ]],
5302                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5303                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5304                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5305                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5306                  ]],
5307                  'deletedusers' => []
5308              ],
5309              'All conversation types, delete all messages from individual favourited, no messages remaining' => [
5310                  'conversationConfigs' => $conversations,
5311                  'deletemessagesuser' => $user1,
5312                  'deletemessages' => [0, 1, 2],
5313                  'arguments' => [$user1],
5314                  'expectedcounts' => ['favourites' => 1, 'types' => [
5315                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5316                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5317                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5318                  ]],
5319                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5320                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5321                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5322                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5323                  ]],
5324                  'deletedusers' => []
5325              ],
5326              'All conversation types, delete all messages from individual non-favourited, no messages remaining' => [
5327                  'conversationConfigs' => $conversations,
5328                  'deletemessagesuser' => $user1,
5329                  'deletemessages' => [3, 4, 5],
5330                  'arguments' => [$user1],
5331                  'expectedcounts' => ['favourites' => 2, 'types' => [
5332                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5333                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5334                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5335                  ]],
5336                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5337                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5338                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5339                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5340                  ]],
5341                  'deletedusers' => []
5342              ],
5343              'All conversation types, delete all messages from individual favourited, no messages remaining, different user' => [
5344                  'conversationConfigs' => $conversations,
5345                  'deletemessagesuser' => $user1,
5346                  'deletemessages' => [0, 1, 2],
5347                  'arguments' => [$user2],
5348                  'expectedcounts' => ['favourites' => 1, 'types' => [
5349                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5350                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5351                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5352                  ]],
5353                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5354                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5355                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5356                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5357                  ]],
5358                  'deletedusers' => []
5359              ],
5360              'All conversation types, delete all messages from individual non-favourited, no messages remaining, different user' => [
5361                  'conversationConfigs' => $conversations,
5362                  'deletemessagesuser' => $user1,
5363                  'deletemessages' => [3, 4, 5],
5364                  'arguments' => [$user3],
5365                  'expectedcounts' => ['favourites' => 1, 'types' => [
5366                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5367                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5368                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5369                  ]],
5370                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5371                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5372                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 2,
5373                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5374                  ]],
5375                  'deletedusers' => []
5376              ],
5377              'All conversation types, delete some messages from group non-favourited, messages remaining,' => [
5378                  'conversationConfigs' => $conversations,
5379                  'deletemessagesuser' => $user1,
5380                  'deletemessages' => [6, 7],
5381                  'arguments' => [$user1],
5382                  'expectedcounts' => ['favourites' => 2, 'types' => [
5383                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5384                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5385                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5386                  ]],
5387                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5388                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5389                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5390                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5391                  ]],
5392                  'deletedusers' => []
5393              ],
5394              'All conversation types, delete all messages from group non-favourited, no messages remaining,' => [
5395                  'conversationConfigs' => $conversations,
5396                  'deletemessagesuser' => $user1,
5397                  'deletemessages' => [6, 7, 8, 9],
5398                  'arguments' => [$user1],
5399                  'expectedcounts' => ['favourites' => 2, 'types' => [
5400                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5401                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5402                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5403                  ]],
5404                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5405                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5406                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5407                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5408                  ]],
5409                  'deletedusers' => []
5410              ],
5411              'All conversation types, another user soft deleted' => [
5412                  'conversationConfigs' => $conversations,
5413                  'deletemessagesuser' => null,
5414                  'deletemessages' => [],
5415                  'arguments' => [$user1],
5416                  'expectedcounts' => ['favourites' => 2, 'types' => [
5417                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5418                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5419                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5420                  ]],
5421                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5422                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5423                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5424                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5425                  ]],
5426                  'deletedusers' => [$user2]
5427              ],
5428              'All conversation types, all group users soft deleted' => [
5429                  'conversationConfigs' => $conversations,
5430                  'deletemessagesuser' => null,
5431                  'deletemessages' => [],
5432                  'arguments' => [$user1],
5433                  'expectedcounts' => ['favourites' => 2, 'types' => [
5434                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5435                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5436                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5437                  ]],
5438                  'expectedunreadcounts' => ['favourites' => 1, 'types' => [
5439                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 1,
5440                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 1,
5441                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5442                  ]],
5443                  'deletedusers' => [$user2, $user3, $user4]
5444              ],
5445              'Group conversation which is disabled, favourited' => [
5446                  'conversationConfigs' => $conversations,
5447                  'deletemessagesuser' => null,
5448                  'deletemessages' => [],
5449                  'arguments' => [$user6],
5450                  'expectedcounts' => ['favourites' => 1, 'types' => [
5451                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5452                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5453                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5454                  ]],
5455                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5456                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5457                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5458                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5459                  ]],
5460                  'deletedusers' => []
5461              ],
5462              'Group conversation which is disabled, non-favourited' => [
5463                  'conversationConfigs' => $conversations,
5464                  'deletemessagesuser' => null,
5465                  'deletemessages' => [],
5466                  'arguments' => [$user7],
5467                  'expectedcounts' => ['favourites' => 1, 'types' => [
5468                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5469                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5470                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5471                  ]],
5472                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5473                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5474                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5475                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5476                  ]],
5477                  'deletedusers' => []
5478              ],
5479              'Conversation with self' => [
5480                  'conversationConfigs' => $conversations,
5481                  'deletemessagesuser' => null,
5482                  'deletemessages' => [],
5483                  'arguments' => [$user8],
5484                  'expectedcounts' => ['favourites' => 0, 'types' => [
5485                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5486                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5487                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 1
5488                  ]],
5489                  'expectedunreadcounts' => ['favourites' => 0, 'types' => [
5490                      \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL => 0,
5491                      \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP => 0,
5492                      \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF => 0
5493                  ]],
5494                  'deletedusers' => []
5495              ],
5496          ];
5497      }
5498  
5499      /**
5500       * Test the get_conversation_counts() function.
5501       *
5502       * @dataProvider get_conversation_counts_test_cases()
5503       * @param array $conversationconfigs Conversations to create
5504       * @param int $deletemessagesuser The user who is deleting the messages
5505       * @param array $deletemessages The list of messages to delete (by index)
5506       * @param array $arguments Arguments for the count conversations function
5507       * @param array $expectedcounts the expected conversation counts
5508       * @param array $expectedunreadcounts the expected unread conversation counts
5509       * @param array $deletedusers the array of users to soft delete.
5510       */
5511      public function test_get_conversation_counts(
5512          $conversationconfigs,
5513          $deletemessagesuser,
5514          $deletemessages,
5515          $arguments,
5516          $expectedcounts,
5517          $expectedunreadcounts,
5518          $deletedusers
5519      ) {
5520          $this->resetAfterTest();
5521          $generator = $this->getDataGenerator();
5522          $users = [
5523              $generator->create_user(),
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          ];
5532  
5533          $deleteuser = !is_null($deletemessagesuser) ? $users[$deletemessagesuser] : null;
5534          $this->setUser($users[$arguments[0]]);
5535          $arguments[0] = $users[$arguments[0]]->id;
5536          $systemcontext = \context_system::instance();
5537          $conversations = [];
5538          $messageids = [];
5539  
5540          foreach ($conversationconfigs as $config) {
5541              $conversation = \core_message\api::create_conversation(
5542                  $config['type'],
5543                  array_map(function($userindex) use ($users) {
5544                      return $users[$userindex]->id;
5545                  }, $config['users']),
5546                  null,
5547                  ($config['enabled'] ?? true)
5548              );
5549  
5550              foreach ($config['messages'] as $userfromindex) {
5551                  $userfrom = $users[$userfromindex];
5552                  $messageids[] = testhelper::send_fake_message_to_conversation($userfrom, $conversation->id);
5553              }
5554  
5555              // Remove the self conversations created by the generator,
5556              // so we can choose to set that ourself and honour the original intention of the test.
5557              $userids = array_map(function($userindex) use ($users) {
5558                  return $users[$userindex]->id;
5559              }, $config['users']);
5560              foreach ($userids as $userid) {
5561                  if ($conversation->type == \core_message\api::MESSAGE_CONVERSATION_TYPE_SELF) {
5562                      \core_message\api::unset_favourite_conversation($conversation->id, $userid);
5563                  }
5564              }
5565  
5566              foreach ($config['favourites'] as $userfromindex) {
5567                  $userfrom = $users[$userfromindex];
5568                  $usercontext = \context_user::instance($userfrom->id);
5569                  $ufservice = \core_favourites\service_factory::get_service_for_user_context($usercontext);
5570                  $ufservice->create_favourite('core_message', 'message_conversations', $conversation->id, $systemcontext);
5571              }
5572  
5573              $conversations[] = $conversation;
5574          }
5575  
5576          foreach ($deletemessages as $messageindex) {
5577              \core_message\api::delete_message($deleteuser->id, $messageids[$messageindex]);
5578          }
5579  
5580          foreach ($deletedusers as $deleteduser) {
5581              delete_user($users[$deleteduser]);
5582          }
5583  
5584          $counts = core_message_external::get_conversation_counts(...$arguments);
5585          $counts = \external_api::clean_returnvalue(core_message_external::get_conversation_counts_returns(), $counts);
5586  
5587          $this->assertEquals($expectedcounts['favourites'], $counts['favourites']);
5588          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL],
5589              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL]);
5590          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP],
5591              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP]);
5592          $this->assertEquals($expectedcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF],
5593              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF]);
5594      }
5595  
5596      /**
5597       * Test the get_unread_conversation_counts() function.
5598       *
5599       * @dataProvider get_conversation_counts_test_cases
5600       * @param array $conversationconfigs Conversations to create
5601       * @param int $deletemessagesuser The user who is deleting the messages
5602       * @param array $deletemessages The list of messages to delete (by index)
5603       * @param array $arguments Arguments for the count conversations function
5604       * @param array $expectedcounts the expected conversation counts
5605       * @param array $expectedunreadcounts the expected unread conversation counts
5606       * @param array $deletedusers the list of users to soft-delete.
5607       */
5608      public function test_get_unread_conversation_counts(
5609          $conversationconfigs,
5610          $deletemessagesuser,
5611          $deletemessages,
5612          $arguments,
5613          $expectedcounts,
5614          $expectedunreadcounts,
5615          $deletedusers
5616      ) {
5617          $this->resetAfterTest();
5618          $generator = $this->getDataGenerator();
5619          $users = [
5620              $generator->create_user(),
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          ];
5629  
5630          $deleteuser = !is_null($deletemessagesuser) ? $users[$deletemessagesuser] : null;
5631          $this->setUser($users[$arguments[0]]);
5632          $arguments[0] = $users[$arguments[0]]->id;
5633          $systemcontext = \context_system::instance();
5634          $conversations = [];
5635          $messageids = [];
5636  
5637          foreach ($conversationconfigs as $config) {
5638              $conversation = \core_message\api::create_conversation(
5639                  $config['type'],
5640                  array_map(function($userindex) use ($users) {
5641                      return $users[$userindex]->id;
5642                  }, $config['users']),
5643                  null,
5644                  ($config['enabled'] ?? true)
5645              );
5646  
5647              foreach ($config['messages'] as $userfromindex) {
5648                  $userfrom = $users[$userfromindex];
5649                  $messageids[] = testhelper::send_fake_message_to_conversation($userfrom, $conversation->id);
5650              }
5651  
5652              foreach ($config['favourites'] as $userfromindex) {
5653                  $userfrom = $users[$userfromindex];
5654                  $usercontext = \context_user::instance($userfrom->id);
5655                  $ufservice = \core_favourites\service_factory::get_service_for_user_context($usercontext);
5656                  $ufservice->create_favourite('core_message', 'message_conversations', $conversation->id, $systemcontext);
5657              }
5658  
5659              $conversations[] = $conversation;
5660          }
5661  
5662          foreach ($deletemessages as $messageindex) {
5663              \core_message\api::delete_message($deleteuser->id, $messageids[$messageindex]);
5664          }
5665  
5666          foreach ($deletedusers as $deleteduser) {
5667              delete_user($users[$deleteduser]);
5668          }
5669  
5670          $counts = core_message_external::get_unread_conversation_counts(...$arguments);
5671          $counts = \external_api::clean_returnvalue(core_message_external::get_unread_conversation_counts_returns(), $counts);
5672  
5673          $this->assertEquals($expectedunreadcounts['favourites'], $counts['favourites']);
5674          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL],
5675              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL]);
5676          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP],
5677              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP]);
5678          $this->assertEquals($expectedunreadcounts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF],
5679              $counts['types'][\core_message\api::MESSAGE_CONVERSATION_TYPE_SELF]);
5680      }
5681  
5682      /**
5683       * Test delete_message for all users.
5684       */
5685      public function test_delete_message_for_all_users() {
5686          global $DB;
5687  
5688          $this->resetAfterTest(true);
5689  
5690          // Create fake data to test it.
5691          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5692  
5693          // Send message as user1 to group conversation.
5694          $messageid1 = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5695          $messageid2 = testhelper::send_fake_message_to_conversation($user2, $convgroup->id);
5696  
5697          // User1 deletes the first message for all users of group conversation.
5698          // First, we have to allow user1 (Teacher) can delete messages for all users.
5699          $editingteacher = $DB->get_record('role', ['shortname' => 'editingteacher']);
5700          assign_capability('moodle/site:deleteanymessage', CAP_ALLOW, $editingteacher->id, \context_system::instance());
5701  
5702          $this->setUser($user1);
5703  
5704          // Now, user1 deletes message for all users.
5705          $return = core_message_external::delete_message_for_all_users($messageid1, $user1->id);
5706          $return = \external_api::clean_returnvalue(core_message_external::delete_message_for_all_users_returns(), $return);
5707          // Check if everything is ok.
5708          $this->assertEquals(array(), $return);
5709  
5710          // Check we have 3 records on message_user_actions with the mark MESSAGE_ACTION_DELETED.
5711          $muas = $DB->get_records('message_user_actions', array('messageid' => $messageid1), 'userid ASC');
5712          $this->assertCount(3, $muas);
5713          $mua1 = array_shift($muas);
5714          $mua2 = array_shift($muas);
5715          $mua3 = array_shift($muas);
5716  
5717          $this->assertEquals($user1->id, $mua1->userid);
5718          $this->assertEquals($messageid1, $mua1->messageid);
5719          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua1->action);
5720          $this->assertEquals($user2->id, $mua2->userid);
5721          $this->assertEquals($messageid1, $mua2->messageid);
5722          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua2->action);
5723          $this->assertEquals($user3->id, $mua3->userid);
5724          $this->assertEquals($messageid1, $mua3->messageid);
5725          $this->assertEquals(\core_message\api::MESSAGE_ACTION_DELETED, $mua3->action);
5726      }
5727  
5728      /**
5729       * Test delete_message for all users with messaging disabled.
5730       */
5731      public function test_delete_message_for_all_users_messaging_disabled() {
5732          global $CFG;
5733  
5734          $this->resetAfterTest();
5735  
5736          // Create fake data to test it.
5737          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5738  
5739          // Send message as user1 to group conversation.
5740          $messageid = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5741  
5742          $this->setUser($user1);
5743  
5744          // Disable messaging.
5745          $CFG->messaging = 0;
5746  
5747          // Ensure an exception is thrown.
5748          $this->expectException('moodle_exception');
5749          core_message_external::delete_message_for_all_users($messageid, $user1->id);
5750      }
5751  
5752      /**
5753       * Test delete_message for all users with no permission.
5754       */
5755      public function test_delete_message_for_all_users_no_permission() {
5756          $this->resetAfterTest();
5757  
5758          // Create fake data to test it.
5759          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5760  
5761          // Send message as user1 to group conversation.
5762          $messageid = testhelper::send_fake_message_to_conversation($user1, $convgroup->id);
5763  
5764          $this->setUser($user2);
5765  
5766          // Try as user2 to delete a message for all users without permission to do it.
5767          $this->expectException('moodle_exception');
5768          $this->expectExceptionMessage('You do not have permission to delete this message for everyone.');
5769          core_message_external::delete_message_for_all_users($messageid, $user2->id);
5770      }
5771  
5772      /**
5773       * Test delete_message for all users in a private conversation.
5774       */
5775      public function test_delete_message_for_all_users_private_conversation() {
5776          global $DB;
5777  
5778          $this->resetAfterTest();
5779  
5780          // Create fake data to test it.
5781          list($user1, $user2, $user3, $convgroup, $convindividual) = $this->create_delete_message_test_data();
5782  
5783          // Send message as user1 to private conversation.
5784          $messageid = testhelper::send_fake_message_to_conversation($user1, $convindividual->id);
5785  
5786          // First, we have to allow user1 (Teacher) can delete messages for all users.
5787          $editingteacher = $DB->get_record('role', ['shortname' => 'editingteacher']);
5788          assign_capability('moodle/site:deleteanymessage', CAP_ALLOW, $editingteacher->id, \context_system::instance());
5789  
5790          $this->setUser($user1);
5791  
5792          // Try as user1 to delete a private message for all users on individual conversation.
5793          // User1 should not delete message for all users in a private conversations despite being a teacher.
5794          // Because is a teacher in a course and not in a system context.
5795          $this->expectException('moodle_exception');
5796          $this->expectExceptionMessage('You do not have permission to delete this message for everyone.');
5797          core_message_external::delete_message_for_all_users($messageid, $user1->id);
5798      }
5799  
5800      /**
5801       * Test retrieving conversation messages by providing a timefrom higher than last message timecreated. It should return no
5802       * messages but keep the return structure to not break when called from the ws.
5803       */
5804      public function test_get_conversation_messages_timefrom_higher_than_last_timecreated() {
5805          $this->resetAfterTest(true);
5806  
5807          // Create some users.
5808          $user1 = self::getDataGenerator()->create_user();
5809          $user2 = self::getDataGenerator()->create_user();
5810          $user3 = self::getDataGenerator()->create_user();
5811          $user4 = self::getDataGenerator()->create_user();
5812  
5813          // Create group conversation.
5814          $conversation = \core_message\api::create_conversation(
5815              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
5816              [$user1->id, $user2->id, $user3->id, $user4->id]
5817          );
5818  
5819          // The person asking for the messages for another user.
5820          $this->setUser($user1);
5821  
5822          // Send some messages back and forth.
5823          $time = 1;
5824          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 1', $time + 1);
5825          testhelper::send_fake_message_to_conversation($user2, $conversation->id, 'Message 2', $time + 2);
5826          testhelper::send_fake_message_to_conversation($user1, $conversation->id, 'Message 3', $time + 3);
5827          testhelper::send_fake_message_to_conversation($user3, $conversation->id, 'Message 4', $time + 4);
5828  
5829          // Retrieve the messages.
5830          $result = core_message_external::get_conversation_messages($user1->id, $conversation->id, 0, 0, '', $time + 5);
5831  
5832          // We need to execute the return values cleaning process to simulate the web service server.
5833          $result = \external_api::clean_returnvalue(core_message_external::get_conversation_messages_returns(), $result);
5834  
5835          // Check the results are correct.
5836          $this->assertEquals($conversation->id, $result['id']);
5837  
5838          // Confirm the message data is correct.
5839          $messages = $result['messages'];
5840          $this->assertEquals(0, count($messages));
5841  
5842          // Confirm that members key is present.
5843          $this->assertArrayHasKey('members', $result);
5844      }
5845  
5846      /**
5847       * Helper to seed the database with initial state with data.
5848       */
5849      protected function create_delete_message_test_data() {
5850          // Create some users.
5851          $user1 = self::getDataGenerator()->create_user();
5852          $user2 = self::getDataGenerator()->create_user();
5853          $user3 = self::getDataGenerator()->create_user();
5854  
5855          // Create a course and enrol the users.
5856          $course = $this->getDataGenerator()->create_course();
5857          $coursecontext = \context_course::instance($course->id);
5858          $this->getDataGenerator()->enrol_user($user1->id, $course->id, 'editingteacher');
5859          $this->getDataGenerator()->enrol_user($user2->id, $course->id, 'student');
5860          $this->getDataGenerator()->enrol_user($user3->id, $course->id, 'student');
5861  
5862          // Create a group and added the users into.
5863          $group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
5864          groups_add_member($group1->id, $user1->id);
5865          groups_add_member($group1->id, $user2->id);
5866          groups_add_member($group1->id, $user3->id);
5867  
5868          // Create a group conversation linked with the course.
5869          $convgroup = \core_message\api::create_conversation(
5870              \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,
5871              [$user1->id, $user2->id, $user3->id],
5872              'Group test delete for everyone', \core_message\api::MESSAGE_CONVERSATION_ENABLED,
5873              'core_group',
5874              'groups',
5875              $group1->id,
5876              \context_course::instance($course->id)->id
5877          );
5878  
5879          // Create and individual conversation.
5880          $convindividual = \core_message\api::create_conversation(
5881              \core_message\api::MESSAGE_CONVERSATION_TYPE_INDIVIDUAL,
5882              [$user1->id, $user2->id]
5883          );
5884  
5885          return [$user1, $user2, $user3, $convgroup, $convindividual];
5886      }
5887  }