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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  namespace mod_quiz\question;
  18  
  19  use mod_quiz\quiz_attempt;
  20  
  21  defined('MOODLE_INTERNAL') || die();
  22  
  23  require_once($CFG->dirroot . '/question/engine/datalib.php');
  24  
  25  /**
  26   * A {@see qubaid_condition} for finding all the question usages belonging to a particular quiz.
  27   *
  28   * @package   mod_quiz
  29   * @category  question
  30   * @copyright 2010 The Open University
  31   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32   */
  33  class qubaids_for_quiz extends \qubaid_join {
  34  
  35      /**
  36       * Constructor.
  37       *
  38       * @param int $quizid The quiz to search.
  39       * @param bool $includepreviews Whether to include preview attempts
  40       * @param bool $onlyfinished Whether to only include finished attempts or not
  41       */
  42      public function __construct(int $quizid, bool $includepreviews = true, bool $onlyfinished = false) {
  43          $where = 'quiza.quiz = :quizaquiz';
  44          $params = ['quizaquiz' => $quizid];
  45  
  46          if (!$includepreviews) {
  47              $where .= ' AND preview = 0';
  48          }
  49  
  50          if ($onlyfinished) {
  51              $where .= ' AND state = :statefinished';
  52              $params['statefinished'] = quiz_attempt::FINISHED;
  53          }
  54  
  55          parent::__construct('{quiz_attempts} quiza', 'quiza.uniqueid', $where, $params);
  56      }
  57  }