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   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  /**
  18   * Class for backup BigBlueButtonBN.
  19   *
  20   * @package   mod_bigbluebuttonbn
  21   * @copyright 2010 onwards, Blindside Networks Inc
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   * @author    Fred Dixon  (ffdixon [at] blindsidenetworks [dt] com)
  24   * @author    Jesus Federico  (jesus [at] blindsidenetworks [dt] com)
  25   */
  26  
  27  defined('MOODLE_INTERNAL') || die;
  28  global $CFG;
  29  require_once($CFG->dirroot.'/mod/bigbluebuttonbn/backup/moodle2/backup_bigbluebuttonbn_stepslib.php');
  30  
  31  /**
  32   * Backup task that provides all the settings and steps to perform one complete backup of the activity.
  33   *
  34   * @package   mod_bigbluebuttonbn
  35   * @copyright 2010 onwards, Blindside Networks Inc
  36   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class backup_bigbluebuttonbn_activity_task extends backup_activity_task {
  39      /**
  40       * Define (add) particular settings this activity can have.
  41       *
  42       * @return void
  43       */
  44      protected function define_my_settings() {
  45          // No particular settings for this activity.
  46      }
  47  
  48      /**
  49       * Define (add) particular steps this activity can have.
  50       *
  51       * @return void
  52       */
  53      protected function define_my_steps() {
  54          // Choice only has one structure step.
  55          $this->add_step(new backup_bigbluebuttonbn_activity_structure_step('bigbluebuttonbn_structure', 'bigbluebuttonbn.xml'));
  56      }
  57  
  58      /**
  59       * Code the transformations to perform in the activity in order to get transportable (encoded) links.
  60       *
  61       * @param string $content
  62       *
  63       * @return string
  64       */
  65      public static function encode_content_links($content) {
  66          global $CFG;
  67  
  68          $base = preg_quote($CFG->wwwroot.'/mod/bigbluebuttonbn', '#');
  69  
  70          // Link to the list of bigbluebuttonbns.
  71          $pattern = '#('.$base."\/index.php\?id\=)([0-9]+)#";
  72          $content = preg_replace($pattern, '$@BIGBLUEBUTTONBNINDEX*$2@$', $content);
  73  
  74          // Link to bigbluebuttonbn view by moduleid.
  75          $pattern = '#('.$base."\/view.php\?id\=)([0-9]+)#";
  76          $content = preg_replace($pattern, '$@BIGBLUEBUTTONBNVIEWBYID*$2@$', $content);
  77  
  78          return $content;
  79      }
  80  }