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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   * Search area for mod_resource activities.
  19   *
  20   * @package    mod_resource
  21   * @copyright  2015 David Monllao {@link http://www.davidmonllao.com}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace mod_resource\search;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  /**
  30   * Search area for mod_resource activities.
  31   *
  32   * @package    mod_resource
  33   * @copyright  2015 David Monllao {@link http://www.davidmonllao.com}
  34   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  class activity extends \core_search\base_activity {
  37      /**
  38       * Returns true if this area uses file indexing.
  39       *
  40       * @return bool
  41       */
  42      public function uses_file_indexing() {
  43          return true;
  44      }
  45  
  46      /**
  47       * Add the main file to the index.
  48       *
  49       * @param document $document The current document
  50       * @return null
  51       */
  52      public function attach_files($document) {
  53          $fs = get_file_storage();
  54  
  55          $cm = $this->get_cm($this->get_module_name(), $document->get('itemid'), $document->get('courseid'));
  56          $context = \context_module::instance($cm->id);
  57  
  58          // Order by sortorder desc, the first is consided the main file.
  59          $files = $fs->get_area_files($context->id, 'mod_resource', 'content', 0, 'sortorder DESC, id ASC', false);
  60  
  61          $mainfile = $files ? reset($files) : null;
  62          if ($mainfile && $mainfile->get_sortorder() > 0) {
  63              $document->add_stored_file($mainfile);
  64          }
  65      }
  66  
  67  }