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   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_survey_activity_task class
  20   *
  21   * @package     mod_survey
  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/survey/backup/moodle2/backup_survey_stepslib.php');
  30  
  31  /**
  32   * Provides all the settings and steps to perform one complete backup of the activity
  33   */
  34  class backup_survey_activity_task extends backup_activity_task {
  35  
  36      /**
  37       * No specific settings for this activity
  38       */
  39      protected function define_my_settings() {
  40      }
  41  
  42      /**
  43       * Defines a backup step to store the instance data in the survey.xml file
  44       */
  45      protected function define_my_steps() {
  46          $this->add_step(new backup_survey_activity_structure_step('survey_structure', 'survey.xml'));
  47      }
  48  
  49      /**
  50       * Encodes URLs to the index.php and view.php scripts
  51       *
  52       * @param string $content some HTML text that eventually contains URLs to the activity instance scripts
  53       * @return string the content with the URLs encoded
  54       */
  55      static public function encode_content_links($content) {
  56          global $CFG;
  57  
  58          $base = preg_quote($CFG->wwwroot,"/");
  59  
  60          // Link to the list of surveys
  61          $search="/(".$base."\/mod\/survey\/index.php\?id\=)([0-9]+)/";
  62          $content= preg_replace($search, '$@SURVEYINDEX*$2@$', $content);
  63  
  64          // Link to survey view by moduleid
  65          $search="/(".$base."\/mod\/survey\/view.php\?id\=)([0-9]+)/";
  66          $content= preg_replace($search, '$@SURVEYVIEWBYID*$2@$', $content);
  67  
  68          return $content;
  69      }
  70  }