[Summary view]

   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * Defines backup_forum_activity_task class
  20   *
  21   * @package   mod_forum
  22   * @category  backup
  23   * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  24   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  require_once($CFG->dirroot . '/mod/forum/backup/moodle2/backup_forum_stepslib.php');
  30  require_once($CFG->dirroot . '/mod/forum/backup/moodle2/backup_forum_settingslib.php');
  31  
  32  /**
  33   * Provides the steps to perform one complete backup of the Forum instance
  34   */
  35  class backup_forum_activity_task extends backup_activity_task {
  36  
  37      /**
  38       * No specific settings for this activity
  39       */
  40      protected function define_my_settings() {
  41      }
  42  
  43      /**
  44       * Defines a backup step to store the instance data in the forum.xml file
  45       */
  46      protected function define_my_steps() {
  47          $this->add_step(new backup_forum_activity_structure_step('forum structure', 'forum.xml'));
  48      }
  49  
  50      /**
  51       * Encodes URLs to the index.php, view.php and discuss.php scripts
  52       *
  53       * @param string $content some HTML text that eventually contains URLs to the activity instance scripts
  54       * @return string the content with the URLs encoded
  55       */
  56      static public function encode_content_links($content) {
  57          global $CFG;
  58  
  59          $base = preg_quote($CFG->wwwroot,"/");
  60  
  61          // Link to the list of forums
  62          $search="/(".$base."\/mod\/forum\/index.php\?id\=)([0-9]+)/";
  63          $content= preg_replace($search, '$@FORUMINDEX*$2@$', $content);
  64  
  65          // Link to forum view by moduleid
  66          $search="/(".$base."\/mod\/forum\/view.php\?id\=)([0-9]+)/";
  67          $content= preg_replace($search, '$@FORUMVIEWBYID*$2@$', $content);
  68  
  69          // Link to forum view by forumid
  70          $search="/(".$base."\/mod\/forum\/view.php\?f\=)([0-9]+)/";
  71          $content= preg_replace($search, '$@FORUMVIEWBYF*$2@$', $content);
  72  
  73          // Link to forum discussion with parent syntax
  74          $search = "/(".$base."\/mod\/forum\/discuss.php\?d\=)([0-9]+)(?:\&amp;|\&)parent\=([0-9]+)/";
  75          $content= preg_replace($search, '$@FORUMDISCUSSIONVIEWPARENT*$2*$3@$', $content);
  76  
  77          // Link to forum discussion with relative syntax
  78          $search="/(".$base."\/mod\/forum\/discuss.php\?d\=)([0-9]+)\#([0-9]+)/";
  79          $content= preg_replace($search, '$@FORUMDISCUSSIONVIEWINSIDE*$2*$3@$', $content);
  80  
  81          // Link to forum discussion by discussionid
  82          $search="/(".$base."\/mod\/forum\/discuss.php\?d\=)([0-9]+)/";
  83          $content= preg_replace($search, '$@FORUMDISCUSSIONVIEW*$2@$', $content);
  84  
  85          return $content;
  86      }
  87  }