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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  declare(strict_types=1);
  18  
  19  namespace mod_feedback\completion;
  20  
  21  use core_completion\activity_custom_completion;
  22  
  23  /**
  24   * Activity custom completion subclass for the feedback activity.
  25   *
  26   * Class for defining mod_feedback's custom completion rules and fetching the completion statuses
  27   * of the custom completion rules for a given feedback instance and a user.
  28   *
  29   * @package mod_feedback
  30   * @copyright Simey Lameze <simey@moodle.com>
  31   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32   */
  33  class custom_completion extends activity_custom_completion {
  34  
  35      /**
  36       * Fetches the completion state for a given completion rule.
  37       *
  38       * @param string $rule The completion rule.
  39       * @return int The completion state.
  40       */
  41      public function get_state(string $rule): int {
  42          global $DB;
  43  
  44          $this->validate_rule($rule);
  45  
  46          // Feedback only supports completionsubmit as a custom rule.
  47          $status = $DB->record_exists('feedback_completed', ['feedback' => $this->cm->instance, 'userid' => $this->userid]);
  48          return $status ? COMPLETION_COMPLETE : COMPLETION_INCOMPLETE;
  49      }
  50  
  51      /**
  52       * Fetch the list of custom completion rules that this module defines.
  53       *
  54       * @return array
  55       */
  56      public static function get_defined_custom_rules(): array {
  57          return ['completionsubmit'];
  58      }
  59  
  60      /**
  61       * Returns an associative array of the descriptions of custom completion rules.
  62       *
  63       * @return array
  64       */
  65      public function get_custom_rule_descriptions(): array {
  66          return [
  67              'completionsubmit' => get_string('completiondetail:submit', 'feedback')
  68          ];
  69      }
  70  
  71      /**
  72       * Returns an array of all completion rules, in the order they should be displayed to users.
  73       *
  74       * @return array
  75       */
  76      public function get_sort_order(): array {
  77          return [
  78              'completionview',
  79              'completionsubmit',
  80          ];
  81      }
  82  }