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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   * @package    mod_data
  20   * @subpackage backup-moodle2
  21   * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  /**
  26   * Define all the restore steps that will be used by the restore_data_activity_task
  27   */
  28  
  29  /**
  30   * Structure step to restore one data activity
  31   */
  32  class restore_data_activity_structure_step extends restore_activity_structure_step {
  33  
  34      protected function define_structure() {
  35  
  36          $paths = array();
  37          $userinfo = $this->get_setting_value('userinfo');
  38  
  39          $paths[] = new restore_path_element('data', '/activity/data');
  40          $paths[] = new restore_path_element('data_field', '/activity/data/fields/field');
  41          if ($userinfo) {
  42              $paths[] = new restore_path_element('data_record', '/activity/data/records/record');
  43              $paths[] = new restore_path_element('data_content', '/activity/data/records/record/contents/content');
  44              $paths[] = new restore_path_element('data_rating', '/activity/data/records/record/ratings/rating');
  45          }
  46  
  47          // Return the paths wrapped into standard activity structure
  48          return $this->prepare_activity_structure($paths);
  49      }
  50  
  51      protected function process_data($data) {
  52          global $DB;
  53  
  54          $data = (object)$data;
  55          $oldid = $data->id;
  56          $data->course = $this->get_courseid();
  57  
  58          $data->timeavailablefrom = $this->apply_date_offset($data->timeavailablefrom);
  59          $data->timeavailableto = $this->apply_date_offset($data->timeavailableto);
  60          $data->timeviewfrom = $this->apply_date_offset($data->timeviewfrom);
  61          $data->timeviewto = $this->apply_date_offset($data->timeviewto);
  62          $data->assesstimestart = $this->apply_date_offset($data->assesstimestart);
  63          $data->assesstimefinish = $this->apply_date_offset($data->assesstimefinish);
  64  
  65          if ($data->scale < 0) { // scale found, get mapping
  66              $data->scale = -($this->get_mappingid('scale', abs($data->scale)));
  67          }
  68  
  69          // Some old backups can arrive with data->notification = null (MDL-24470)
  70          // convert them to proper column default (zero)
  71          if (is_null($data->notification)) {
  72              $data->notification = 0;
  73          }
  74  
  75          // insert the data record
  76          $newitemid = $DB->insert_record('data', $data);
  77          $this->apply_activity_instance($newitemid);
  78      }
  79  
  80      protected function process_data_field($data) {
  81          global $DB;
  82  
  83          $data = (object)$data;
  84          $oldid = $data->id;
  85  
  86          $data->dataid = $this->get_new_parentid('data');
  87  
  88          // insert the data_fields record
  89          $newitemid = $DB->insert_record('data_fields', $data);
  90          $this->set_mapping('data_field', $oldid, $newitemid, false); // no files associated
  91      }
  92  
  93      protected function process_data_record($data) {
  94          global $DB;
  95  
  96          $data = (object)$data;
  97          $oldid = $data->id;
  98  
  99          $data->timecreated = $this->apply_date_offset($data->timecreated);
 100          $data->timemodified = $this->apply_date_offset($data->timemodified);
 101  
 102          $data->userid = $this->get_mappingid('user', $data->userid);
 103          $data->groupid = $this->get_mappingid('group', $data->groupid);
 104          $data->dataid = $this->get_new_parentid('data');
 105  
 106          // insert the data_records record
 107          $newitemid = $DB->insert_record('data_records', $data);
 108          $this->set_mapping('data_record', $oldid, $newitemid, false); // no files associated
 109      }
 110  
 111      protected function process_data_content($data) {
 112          global $DB;
 113  
 114          $data = (object)$data;
 115          $oldid = $data->id;
 116  
 117          $data->fieldid = $this->get_mappingid('data_field', $data->fieldid);
 118          $data->recordid = $this->get_new_parentid('data_record');
 119  
 120          // insert the data_content record
 121          $newitemid = $DB->insert_record('data_content', $data);
 122          $this->set_mapping('data_content', $oldid, $newitemid, true); // files by this itemname
 123      }
 124  
 125      protected function process_data_rating($data) {
 126          global $DB;
 127  
 128          $data = (object)$data;
 129  
 130          // Cannot use ratings API, cause, it's missing the ability to specify times (modified/created)
 131          $data->contextid = $this->task->get_contextid();
 132          $data->itemid    = $this->get_new_parentid('data_record');
 133          if ($data->scaleid < 0) { // scale found, get mapping
 134              $data->scaleid = -($this->get_mappingid('scale', abs($data->scaleid)));
 135          }
 136          $data->rating = $data->value;
 137          $data->userid = $this->get_mappingid('user', $data->userid);
 138          $data->timecreated = $this->apply_date_offset($data->timecreated);
 139          $data->timemodified = $this->apply_date_offset($data->timemodified);
 140  
 141          // We need to check that component and ratingarea are both set here.
 142          if (empty($data->component)) {
 143              $data->component = 'mod_data';
 144          }
 145          if (empty($data->ratingarea)) {
 146              $data->ratingarea = 'entry';
 147          }
 148  
 149          $newitemid = $DB->insert_record('rating', $data);
 150      }
 151  
 152      protected function after_execute() {
 153          global $DB;
 154          // Add data related files, no need to match by itemname (just internally handled context)
 155          $this->add_related_files('mod_data', 'intro', null);
 156          // Add content related files, matching by itemname (data_content)
 157          $this->add_related_files('mod_data', 'content', 'data_content');
 158          // Adjust the data->defaultsort field
 159          if ($defaultsort = $DB->get_field('data', 'defaultsort', array('id' => $this->get_new_parentid('data')))) {
 160              if ($defaultsort = $this->get_mappingid('data_field', $defaultsort)) {
 161                  $DB->set_field('data', 'defaultsort', $defaultsort, array('id' => $this->get_new_parentid('data')));
 162              }
 163          }
 164      }
 165  }