[Summary view]

Differences Between: [Versions 400 and 402] [Versions 401 and 402]

   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\external_warnings;
  25  use core_external\restricted_context_exception;
  26  use mod_bigbluebuttonbn\instance;
  27  use mod_bigbluebuttonbn\local\bigbluebutton\recordings\recording_data;
  28  use mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy;
  29  
  30  /**
  31   * External service to fetch a list of recordings from the BBB service.
  32   *
  33   * @package   mod_bigbluebuttonbn
  34   * @category  external
  35   * @copyright 2018 onwards, Blindside Networks Inc
  36   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class get_recordings extends external_api {
  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              'tools' => new external_value(PARAM_RAW, 'a set of enabled tools', VALUE_DEFAULT,
  48                  'protect,unprotect,publish,unpublish,delete'),
  49              'groupid' => new external_value(PARAM_INT, 'Group ID', VALUE_DEFAULT, null),
  50          ]);
  51      }
  52  
  53      /**
  54       * Get a list of recordings
  55       *
  56       * @param int $bigbluebuttonbnid the bigbluebuttonbn instance id to which the recordings are referred.
  57       * @param string|null $tools
  58       * @param int|null $groupid
  59       * @return array of warnings and status result
  60       * @throws \invalid_parameter_exception
  61       * @throws restricted_context_exception
  62       */
  63      public static function execute(
  64          int $bigbluebuttonbnid = 0,
  65          ?string $tools = 'protect,unprotect,publish,unpublish,delete',
  66          ?int $groupid = null
  67      ): array {
  68          global $USER;
  69  
  70          $returnval = [
  71              'status' => false,
  72              'warnings' => [],
  73          ];
  74  
  75          // Validate the bigbluebuttonbnid ID.
  76          [
  77              'bigbluebuttonbnid' => $bigbluebuttonbnid,
  78              'tools' => $tools,
  79              'groupid' => $groupid,
  80          ] = self::validate_parameters(self::execute_parameters(), [
  81              'bigbluebuttonbnid' => $bigbluebuttonbnid,
  82              'tools' => $tools,
  83              'groupid' => $groupid,
  84          ]);
  85  
  86          $tools = explode(',', $tools ?? 'protect,unprotect,publish,unpublish,delete');
  87  
  88          // Fetch the session, features, and profile.
  89          $instance = instance::get_from_instanceid($bigbluebuttonbnid);
  90          if (!$instance) {
  91              $returnval['warnings'][] = [
  92                  'item' => $bigbluebuttonbnid,
  93                  'warningcode' => 'nosuchinstance',
  94                  'message' => get_string('nosuchinstance', 'mod_bigbluebuttonbn',
  95                      (object) ['id' => $bigbluebuttonbnid, 'entity' => 'bigbluebuttonbn'])
  96              ];
  97          } else {
  98              $typeprofiles = bigbluebutton_proxy::get_instance_type_profiles();
  99              $profilefeature = $typeprofiles[$instance->get_type()]['features'];
 100              $showrecordings = in_array('all', $profilefeature) || in_array('showrecordings', $profilefeature);
 101              if ($showrecordings) {
 102                  $context = $instance->get_context();
 103                  // Validate that the user has access to this activity.
 104                  self::validate_context($context);
 105                  if (!$instance->user_has_group_access($USER, $groupid)) {
 106                      new restricted_context_exception();
 107                  }
 108                  if ($groupid) {
 109                      $instance->set_group_id($groupid);
 110                  }
 111                  $recordings = $instance->get_recordings([], $instance->get_instance_var('recordings_deleted') ?? false);
 112                  $tabledata = recording_data::get_recording_table($recordings, $tools, $instance);
 113  
 114                  $returnval['tabledata'] = $tabledata;
 115                  $returnval['status'] = true;
 116              } else {
 117                  $returnval['warnings'][] = [
 118                      'item' => $bigbluebuttonbnid,
 119                      'warningcode' => 'instanceprofilewithoutrecordings',
 120                      'message' => get_string('instanceprofilewithoutrecordings', 'mod_bigbluebuttonbn')
 121                  ];
 122              }
 123          }
 124          return $returnval;
 125      }
 126  
 127      /**
 128       * Describe the return structure of the external service.
 129       *
 130       * @return external_single_structure
 131       * @since Moodle 3.0
 132       */
 133      public static function execute_returns(): external_single_structure {
 134          return new external_single_structure([
 135              'status' => new external_value(PARAM_BOOL, 'Whether the fetch was successful'),
 136              'tabledata' => new external_single_structure([
 137                  'activity' => new external_value(PARAM_ALPHANUMEXT),
 138                  'ping_interval' => new external_value(PARAM_INT),
 139                  'locale' => new external_value(PARAM_TEXT),
 140                  'profile_features' => new external_multiple_structure(new external_value(PARAM_TEXT)),
 141                  'columns' => new external_multiple_structure(new external_single_structure([
 142                      'key' => new external_value(PARAM_ALPHA),
 143                      'label' => new external_value(PARAM_TEXT),
 144                      'width' => new external_value(PARAM_ALPHANUMEXT),
 145                      // See https://datatables.net/reference/option/columns.type .
 146                      'type' => new external_value(PARAM_ALPHANUMEXT, 'Column type', VALUE_OPTIONAL),
 147                      'sortable' => new external_value(PARAM_BOOL, 'Whether this column is sortable', VALUE_OPTIONAL, false),
 148                      'allowHTML' => new external_value(PARAM_BOOL, 'Whether this column contains HTML', VALUE_OPTIONAL, false),
 149                      'formatter' => new external_value(PARAM_ALPHANUMEXT, 'Formatter name', VALUE_OPTIONAL),
 150                  ])),
 151                  'data' => new external_value(PARAM_RAW), // For now it will be json encoded.
 152              ], '', VALUE_OPTIONAL),
 153              'warnings' => new external_warnings()
 154          ]);
 155      }
 156  }