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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\external_warnings;
  24  use core_external\restricted_context_exception;
  25  use mod_bigbluebuttonbn\instance;
  26  use mod_bigbluebuttonbn\local\exceptions\meeting_join_exception;
  27  use mod_bigbluebuttonbn\meeting;
  28  
  29  /**
  30   * External service to create the meeting (if needed), check user limit, and return the join URL when we can join.
  31   *
  32   * This is mainly used by the mobile application.
  33   *
  34   * @package   mod_bigbluebuttonbn
  35   * @category  external
  36   * @copyright 2018 onwards, Blindside Networks Inc
  37   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class get_join_url extends external_api {
  40      /**
  41       * Returns description of method parameters
  42       *
  43       * @return external_function_parameters
  44       */
  45      public static function execute_parameters(): external_function_parameters {
  46          return new external_function_parameters([
  47              'cmid' => new external_value(PARAM_INT, 'course module id', VALUE_REQUIRED),
  48              'groupid' => new external_value(PARAM_INT, 'bigbluebuttonbn group id', VALUE_DEFAULT, 0),
  49          ]);
  50      }
  51  
  52      /**
  53       * Updates a recording
  54       *
  55       * @param int $cmid the bigbluebuttonbn course module id
  56       * @param null|int $groupid
  57       * @return array (empty array for now)
  58       */
  59      public static function execute(
  60          int $cmid,
  61          ?int $groupid = 0
  62      ): array {
  63          // Validate the cmid ID.
  64          [
  65              'cmid' => $cmid,
  66              'groupid' => $groupid,
  67          ] = self::validate_parameters(self::execute_parameters(), [
  68              'cmid' => $cmid,
  69              'groupid' => $groupid,
  70          ]);
  71          $result = ['warnings' => []];
  72  
  73          $instance = instance::get_from_cmid($cmid);
  74          if (empty($instance)) {
  75              throw new \moodle_exception('nosuchinstance', 'mod_bigbluebuttonbn', null,
  76                  ['entity' => get_string('module', 'course'), 'id' => $cmid]);
  77          }
  78          // Validate the groupid.
  79          if (!groups_group_visible($groupid, $instance->get_course(), $instance->get_cm())) {
  80              throw new restricted_context_exception();
  81          }
  82          $instance->set_group_id($groupid);
  83  
  84          self::validate_context($instance->get_context());
  85  
  86          try {
  87              $result['join_url'] = meeting::join_meeting($instance);
  88          } catch (meeting_join_exception $e) {
  89              $result['warnings'][] = [
  90                  'item' => 'mod_bigbluebuttonbn',
  91                  'itemid' => $instance->get_instance_id(),
  92                  'warningcode' => $e->errorcode,
  93                  'message' => $e->getMessage()
  94              ];
  95          }
  96          return $result;
  97      }
  98  
  99      /**
 100       * Describe the return structure of the external service.
 101       *
 102       * @return external_single_structure
 103       * @since Moodle 3.3
 104       */
 105      public static function execute_returns(): external_single_structure {
 106          return new external_single_structure([
 107              'join_url' => new external_value(PARAM_RAW, 'Can join session', VALUE_OPTIONAL),
 108              'warnings' => new external_warnings(),
 109          ]);
 110      }
 111  }