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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   * Provides the class {@link workshopform_rubric\privacy\provider}
  19   *
  20   * @package     workshopform_rubric
  21   * @category    privacy
  22   * @copyright   2018 David Mudrák <david@moodle.com>
  23   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace workshopform_rubric\privacy;
  27  
  28  use core_privacy\local\request\writer;
  29  
  30  defined('MOODLE_INTERNAL') || die();
  31  
  32  /**
  33   * Privacy API implementation for the Rubric strategy.
  34   *
  35   * @copyright 2018 David Mudrák <david@moodle.com>
  36   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class provider implements \core_privacy\local\metadata\null_provider, \mod_workshop\privacy\workshopform_provider {
  39  
  40      /**
  41       * Explain that this plugin stores no personal data.
  42       *
  43       * @return string
  44       */
  45      public static function get_reason() : string {
  46          return 'privacy:metadata';
  47      }
  48  
  49      /**
  50       * Return details of the filled assessment form.
  51       *
  52       * @param stdClass $user User we are exporting data for
  53       * @param context $context The workshop activity context
  54       * @param array $subcontext Subcontext within the context to export to
  55       * @param int $assessmentid ID of the assessment
  56       */
  57      public static function export_assessment_form(\stdClass $user, \context $context, array $subcontext, int $assessmentid) {
  58          global $DB;
  59  
  60          if ($context->contextlevel != CONTEXT_MODULE) {
  61              throw new \coding_exception('Unexpected context provided');
  62          }
  63  
  64          $sql = "SELECT r.id, r.workshopid, r.description, r.descriptionformat,
  65                         rl.id AS levelid, rl.grade AS levelgrade, rl.definition, rl.definitionformat,
  66                         wg.grade
  67                    FROM {course_modules} cm
  68                    JOIN {context} ctx ON ctx.contextlevel = :contextlevel AND ctx.instanceid = cm.id
  69                    JOIN {workshop} w ON cm.instance = w.id
  70                    JOIN {workshopform_rubric} r ON r.workshopid = w.id
  71                    JOIN {workshopform_rubric_levels} rl ON rl.dimensionid = r.id
  72               LEFT JOIN {workshop_grades} wg ON wg.strategy = :strategy AND wg.dimensionid = r.id AND wg.assessmentid = :assessmentid
  73                   WHERE ctx.id = :contextid
  74                ORDER BY r.sort, rl.grade DESC";
  75  
  76          $params = [
  77              'strategy' => 'rubric',
  78              'contextlevel' => CONTEXT_MODULE,
  79              'contextid' => $context->id,
  80              'assessmentid' => $assessmentid,
  81          ];
  82  
  83          $writer = \core_privacy\local\request\writer::with_context($context);
  84          $criteria = [];
  85          $workshopid = null;
  86          $hasdata = false;
  87  
  88          $rs = $DB->get_recordset_sql($sql, $params);
  89  
  90          foreach ($rs as $record) {
  91              if (empty($criteria[$record->id])) {
  92                  $criteria[$record->id] = (object) [
  93                      'description' => $writer->rewrite_pluginfile_urls($subcontext, 'workshopform_rubric', 'description',
  94                          $record->id, $record->description),
  95                      'descriptionformat' => $record->descriptionformat,
  96                      'grade' => $record->grade,
  97                      'levels' => [],
  98                  ];
  99                  $workshopid = $record->workshopid;
 100              }
 101              $criteria[$record->id]->levels[] = (object) [
 102                  'grade' => $record->levelgrade,
 103                  'definition' => $record->definition,
 104                  'definitionformat' => $record->definitionformat,
 105              ];
 106              if ($record->grade !== null) {
 107                  $hasdata = true;
 108              }
 109          }
 110  
 111          $rs->close();
 112  
 113          if ($hasdata) {
 114              $data = (object) [
 115                  'criteria' => array_values($criteria),
 116              ];
 117              $layout = $DB->get_field('workshopform_rubric_config', 'layout', ['workshopid' => $workshopid]);
 118  
 119              foreach (array_keys($criteria) as $dimensionid) {
 120                  $writer->export_area_files($subcontext, 'workshopform_rubric', 'description', $dimensionid);
 121              }
 122  
 123              $writer->export_data($subcontext, $data);
 124              $writer->export_metadata($subcontext, 'layout', $layout, get_string('layout', 'workshopform_rubric'));
 125          }
 126      }
 127  }