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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_single_structure;
  22  use core_external\external_value;
  23  use core_external\restricted_context_exception;
  24  use mod_bigbluebuttonbn\instance;
  25  use mod_bigbluebuttonbn\meeting;
  26  
  27  /**
  28   * External service to check whether a user can join a meeting.
  29   *
  30   * This is mainly used by the mobile application.
  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 can_join extends external_api {
  38      /**
  39       * Returns description of method parameters
  40       *
  41       * @return external_function_parameters
  42       */
  43      public static function execute_parameters(): external_function_parameters {
  44          return new external_function_parameters([
  45              'cmid' => new external_value(PARAM_INT, 'course module id', VALUE_REQUIRED),
  46              'groupid' => new external_value(PARAM_INT, 'bigbluebuttonbn group id', VALUE_DEFAULT, 0),
  47          ]);
  48      }
  49  
  50      /**
  51       * Updates a recording
  52       *
  53       * @param int $cmid the bigbluebuttonbn course module id
  54       * @param null|int $groupid
  55       * @return array (empty array for now)
  56       * @throws \restricted_context_exception
  57       */
  58      public static function execute(
  59          int $cmid,
  60          ?int $groupid = 0
  61      ): array {
  62          // Validate the cmid ID.
  63          [
  64              'cmid' => $cmid,
  65              'groupid' => $groupid,
  66          ] = self::validate_parameters(self::execute_parameters(), [
  67              'cmid' => $cmid,
  68              'groupid' => $groupid,
  69          ]);
  70  
  71          $result = [
  72              'can_join' => false,
  73              'cmid' => $cmid,
  74          ];
  75  
  76          $instance = instance::get_from_cmid($cmid);
  77          if (empty($instance)) {
  78              return $result;
  79          }
  80          // Validate the groupid.
  81          if (!groups_group_visible($groupid, $instance->get_course(), $instance->get_cm())) {
  82              throw new restricted_context_exception();
  83          }
  84          $instance->set_group_id($groupid);
  85  
  86          self::validate_context($instance->get_context());
  87  
  88          $meeting = new meeting($instance);
  89  
  90          $result['can_join'] = $meeting->can_join();
  91  
  92          return $result;
  93      }
  94  
  95      /**
  96       * Describe the return structure of the external service.
  97       *
  98       * @return external_single_structure
  99       * @since Moodle 3.3
 100       */
 101      public static function execute_returns(): external_single_structure {
 102          return new external_single_structure([
 103              'can_join' => new external_value(PARAM_BOOL, 'Can join session'),
 104              'cmid' => new external_value(PARAM_INT, 'course module id', VALUE_REQUIRED),
 105          ]);
 106      }
 107  }