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Differences Between: [Versions 400 and 403] [Versions 401 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace mod_bigbluebuttonbn\external;
  18  
  19  use core_external\external_api;
  20  use core_external\external_function_parameters;
  21  use core_external\external_multiple_structure;
  22  use core_external\external_single_structure;
  23  use core_external\external_value;
  24  use core_external\restricted_context_exception;
  25  use mod_bigbluebuttonbn\instance;
  26  use mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy;
  27  use mod_bigbluebuttonbn\meeting;
  28  
  29  /**
  30   * External service to fetch meeting information.
  31   *
  32   * @package   mod_bigbluebuttonbn
  33   * @category  external
  34   * @copyright 2018 onwards, Blindside Networks Inc
  35   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class meeting_info extends external_api {
  38  
  39      /**
  40       * Returns description of method parameters.
  41       *
  42       * @return external_function_parameters
  43       */
  44      public static function execute_parameters(): external_function_parameters {
  45          return new external_function_parameters([
  46              'bigbluebuttonbnid' => new external_value(PARAM_INT, 'bigbluebuttonbn instance id'),
  47              'groupid' => new external_value(PARAM_INT, 'bigbluebuttonbn group id', VALUE_DEFAULT, 0),
  48              'updatecache' => new external_value(PARAM_BOOL, 'update cache ?', VALUE_DEFAULT, false),
  49          ]);
  50      }
  51  
  52      /**
  53       * Fetch meeting information.
  54       *
  55       * @param int $bigbluebuttonbnid the bigbluebuttonbn instance id
  56       * @param int $groupid
  57       * @param bool $updatecache
  58       * @return array
  59       * @throws \moodle_exception
  60       * @throws restricted_context_exception
  61       */
  62      public static function execute(
  63          int $bigbluebuttonbnid,
  64          int $groupid,
  65          bool $updatecache = false
  66      ): array {
  67          // Validate the bigbluebuttonbnid ID.
  68          [
  69              'bigbluebuttonbnid' => $bigbluebuttonbnid,
  70              'groupid' => $groupid,
  71              'updatecache' => $updatecache,
  72          ] = self::validate_parameters(self::execute_parameters(), [
  73              'bigbluebuttonbnid' => $bigbluebuttonbnid,
  74              'groupid' => $groupid,
  75              'updatecache' => $updatecache,
  76          ]);
  77  
  78          // Fetch the session, features, and profile.
  79          $instance = instance::get_from_instanceid($bigbluebuttonbnid);
  80          $instance->set_group_id($groupid);
  81          if (!groups_group_visible($groupid, $instance->get_course(), $instance->get_cm())) {
  82              throw new restricted_context_exception();
  83          }
  84          $context = $instance->get_context();
  85  
  86          // Validate that the user has access to this activity and to manage recordings.
  87          self::validate_context($context);
  88  
  89          // Check if the BBB server is working.
  90          $serverversion = bigbluebutton_proxy::get_server_version();
  91          if ($serverversion === null) {
  92              throw new \moodle_exception('general_error_no_answer', 'mod_bigbluebuttonbn',
  93                  bigbluebutton_proxy::get_server_not_available_url($instance),
  94                  bigbluebutton_proxy::get_server_not_available_message($instance));
  95          }
  96          $meetinginfo = (array) meeting::get_meeting_info_for_instance($instance, $updatecache);
  97  
  98          // Make the structure WS friendly.
  99          array_walk($meetinginfo['features'], function(&$value, $key){
 100              $value = ['name' => $key, 'isenabled' => (bool) $value];
 101          });
 102          return $meetinginfo;
 103      }
 104  
 105      /**
 106       * Describe the return structure of the external service.
 107       *
 108       * @return external_single_structure
 109       * @since Moodle 3.0
 110       */
 111      public static function execute_returns(): external_single_structure {
 112          return new external_single_structure([
 113                  'cmid' => new external_value(PARAM_INT, 'CM id'),
 114                  'userlimit' => new external_value(PARAM_INT, 'User limit'),
 115                  'bigbluebuttonbnid' => new external_value(PARAM_RAW, 'bigbluebuttonbn instance id'),
 116                  'groupid' => new external_value(PARAM_INT, 'bigbluebuttonbn group id', VALUE_DEFAULT, 0),
 117                  'meetingid' => new external_value(PARAM_RAW, 'Meeting id'),
 118                  'openingtime' => new external_value(PARAM_INT, 'Opening time', VALUE_OPTIONAL),
 119                  'closingtime' => new external_value(PARAM_INT, 'Closing time', VALUE_OPTIONAL),
 120                  'statusrunning' => new external_value(PARAM_BOOL, 'Status running', VALUE_OPTIONAL),
 121                  'statusclosed' => new external_value(PARAM_BOOL, 'Status closed', VALUE_OPTIONAL),
 122                  'statusopen' => new external_value(PARAM_BOOL, 'Status open', VALUE_OPTIONAL),
 123                  'statusmessage' => new external_value(PARAM_TEXT, 'Status message', VALUE_OPTIONAL),
 124                  'startedat' => new external_value(PARAM_INT, 'Started at', VALUE_OPTIONAL),
 125                  'moderatorcount' => new external_value(PARAM_INT, 'Moderator count', VALUE_OPTIONAL),
 126                  'participantcount' => new external_value(PARAM_INT, 'Participant count', VALUE_OPTIONAL),
 127                  'moderatorplural' => new external_value(PARAM_BOOL, 'Several moderators ?', VALUE_OPTIONAL),
 128                  'participantplural' => new external_value(PARAM_BOOL, 'Several participants ?', VALUE_OPTIONAL),
 129                  'canjoin' => new external_value(PARAM_BOOL, 'Can join'),
 130                  'ismoderator' => new external_value(PARAM_BOOL, 'Is moderator'),
 131                  'presentations' => new external_multiple_structure(
 132                      new external_single_structure([
 133                          'url' => new external_value(PARAM_URL, 'presentation URL'),
 134                          'iconname' => new external_value(PARAM_RAW, 'icon name'),
 135                          'icondesc' => new external_value(PARAM_TEXT, 'icon text'),
 136                          'name' => new external_value(PARAM_TEXT, 'presentation name'),
 137                      ])
 138                  ),
 139                  'joinurl' => new external_value(PARAM_URL, 'Join URL'),
 140                  'guestaccessenabled' => new external_value(PARAM_BOOL, 'Guest access enabled', VALUE_OPTIONAL),
 141                  'guestjoinurl' => new external_value(PARAM_URL, 'Guest URL', VALUE_OPTIONAL),
 142                  'guestpassword' => new external_value(PARAM_RAW, 'Guest join password', VALUE_OPTIONAL),
 143                  'features' => new external_multiple_structure(
 144                      new external_single_structure([
 145                          'name' => new external_value(PARAM_ALPHA, 'Feature name.'),
 146                          'isenabled' => new external_value(PARAM_BOOL, 'Whether the feature is enabled.'),
 147                      ]), 'List of features for the instance', VALUE_OPTIONAL
 148                  ),
 149              ]
 150          );
 151      }
 152  }