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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

Differences Between: [Versions 310 and 400] [Versions 311 and 400] [Versions 39 and 400] [Versions 400 and 401] [Versions 400 and 402] [Versions 400 and 403]

   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   * Upgrade script for the quiz module.
  19   *
  20   * @package    mod_quiz
  21   * @copyright  2006 Eloy Lafuente (stronk7)
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  /**
  28   * Quiz module upgrade function.
  29   * @param string $oldversion the version we are upgrading from.
  30   */
  31  function xmldb_quiz_upgrade($oldversion) {
  32      global $CFG, $DB;
  33      $dbman = $DB->get_manager();
  34  
  35      // Automatically generated Moodle v3.6.0 release upgrade line.
  36      // Put any upgrade step following this.
  37  
  38      // Automatically generated Moodle v3.7.0 release upgrade line.
  39      // Put any upgrade step following this.
  40  
  41      // Automatically generated Moodle v3.8.0 release upgrade line.
  42      // Put any upgrade step following this.
  43  
  44      // Automatically generated Moodle v3.9.0 release upgrade line.
  45      // Put any upgrade step following this.
  46  
  47      if ($oldversion < 2020061501) {
  48  
  49          // Define field completionminattempts to be added to quiz.
  50          $table = new xmldb_table('quiz');
  51          $field = new xmldb_field('completionminattempts', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0',
  52              'completionpass');
  53  
  54          // Conditionally launch add field completionminattempts.
  55          if (!$dbman->field_exists($table, $field)) {
  56              $dbman->add_field($table, $field);
  57          }
  58  
  59          // Quiz savepoint reached.
  60          upgrade_mod_savepoint(true, 2020061501, 'quiz');
  61      }
  62  
  63      if ($oldversion < 2021052503) {
  64          $table = new xmldb_table('quiz');
  65          $field = new xmldb_field('completionpass');
  66  
  67          if ($dbman->field_exists($table, $field)) {
  68              $sql = "SELECT q.id, m.id as quizid " .
  69                  "FROM {quiz} q " .
  70                  "INNER JOIN {course_modules} cm ON cm.instance = q.id " .
  71                  "INNER JOIN {modules} m ON m.id = cm.module " .
  72                  "WHERE m.name = :name AND q.completionpass = :completionpass";
  73  
  74              /** @var moodle_recordset $records */
  75              $records = $DB->get_recordset_sql($sql, ['name' => 'quiz', 'completionpass' => 1], 0, 1000);
  76              while ($records->valid()) {
  77                  $quizmodule = null;
  78                  foreach ($records as $record) {
  79                      $ids[] = $record->id;
  80                      $quizmodule = $record->quizid;
  81                  }
  82  
  83                  if ($ids) {
  84                      list($insql, $params) = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED);
  85                      $DB->set_field_select('course_modules', 'completionpassgrade', 1,
  86                          "module = :quiz AND instance $insql", $params + ['quiz' => $quizmodule]);
  87  
  88                      // Reset the value so it doesn't get picked on the next run. The field will be dropped later.
  89                      $DB->set_field_select('quiz', 'completionpass', 0, "id $insql", $params);
  90  
  91                      // Get the next batch of records.
  92                      $records = $DB->get_recordset_sql($sql, ['name' => 'quiz', 'completionpass' => 1], 0, 1000);
  93                  }
  94              }
  95              $records->close();
  96  
  97              // We have completed our checks. Drop the field.
  98              if ($dbman->field_exists($table, $field)) {
  99                  $dbman->drop_field($table, $field);
 100              }
 101          }
 102  
 103          upgrade_mod_savepoint(true, 2021052503, 'quiz');
 104      }
 105  
 106      if ($oldversion < 2021101900) {
 107  
 108          // Define field gradednotificationsenttime to be added to quiz_attempts.
 109          $table = new xmldb_table('quiz_attempts');
 110          $field = new xmldb_field('gradednotificationsenttime', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'sumgrades');
 111  
 112          // Conditionally launch add field gradednotificationsenttime.
 113          if (!$dbman->field_exists($table, $field)) {
 114              $dbman->add_field($table, $field);
 115  
 116              $DB->execute('UPDATE {quiz_attempts} SET gradednotificationsenttime = timefinish');
 117          }
 118  
 119          // Quiz savepoint reached.
 120          upgrade_mod_savepoint(true, 2021101900, 'quiz');
 121      }
 122  
 123      if ($oldversion < 2022020300) {
 124          // Define table quiz_slot_tags to be dropped.
 125          $table = new xmldb_table('quiz_slot_tags');
 126  
 127          // Conditionally launch drop table for quiz_slot_tags.
 128          if ($dbman->table_exists($table)) {
 129              $dbman->drop_table($table);
 130          }
 131  
 132          // Define fields to be dropped from quiz_slots.
 133          $table = new xmldb_table('quiz_slots');
 134  
 135          // Define key questionid (foreign) to be dropped form quiz_slots.
 136          $key = new xmldb_key('questionid', XMLDB_KEY_FOREIGN, ['questionid'], 'question', ['id']);
 137  
 138          // Launch drop key questionid.
 139          $dbman->drop_key($table, $key);
 140  
 141          // Define key questioncategoryid (foreign) to be dropped form quiz_slots.
 142          $key = new xmldb_key('questioncategoryid', XMLDB_KEY_FOREIGN, ['questioncategoryid'], 'question_categories', ['id']);
 143  
 144          // Launch drop key questioncategoryid.
 145          $dbman->drop_key($table, $key);
 146  
 147          $field = new xmldb_field('questionid');
 148          // Conditionally launch drop field questionid.
 149          if ($dbman->field_exists($table, $field)) {
 150              $dbman->drop_field($table, $field);
 151          }
 152  
 153          $field = new xmldb_field('questioncategoryid');
 154          // Conditionally launch drop field questioncategoryid.
 155          if ($dbman->field_exists($table, $field)) {
 156              $dbman->drop_field($table, $field);
 157          }
 158  
 159          $field = new xmldb_field('includingsubcategories');
 160          // Conditionally launch drop field includingsubcategories.
 161          if ($dbman->field_exists($table, $field)) {
 162              $dbman->drop_field($table, $field);
 163          }
 164  
 165          // Quiz savepoint reached.
 166          upgrade_mod_savepoint(true, 2022020300, 'quiz');
 167      }
 168  
 169      // Automatically generated Moodle v4.0.0 release upgrade line.
 170      // Put any upgrade step following this.
 171  
 172      return true;
 173  }