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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_resource\completion;
  20  
  21  use core_completion\activity_custom_completion;
  22  
  23  /**
  24   * Activity custom completion subclass for the resource.
  25   *
  26   * Class for defining mod_resource's custom completion rules and fetching the completion statuses
  27   * of the custom completion rules for a given resource instance and a user.
  28   *
  29   * @package    mod_resource
  30   * @copyright  2021 Huong Nguyen <huongn@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          return COMPLETION_UNKNOWN;
  43      }
  44  
  45      /**
  46       * Fetch the list of custom completion rules that this module defines.
  47       *
  48       * @return array
  49       */
  50      public static function get_defined_custom_rules(): array {
  51          // This activity/resource do not have any custom rules.
  52          return [];
  53      }
  54  
  55      /**
  56       * Returns an associative array of the descriptions of custom completion rules.
  57       *
  58       * @return array
  59       */
  60      public function get_custom_rule_descriptions(): array {
  61          // This activity/resource do not have any custom rule descriptions.
  62          return [];
  63      }
  64  
  65      /**
  66       * Show the manual completion or not regardless of the course's showcompletionconditions setting.
  67       *
  68       * @return bool
  69       */
  70      public function manual_completion_always_shown(): bool {
  71          $display = $this->cm->customdata['display'] ?? null;
  72  
  73          $displaytypes = [
  74                  RESOURCELIB_DISPLAY_NEW,
  75                  RESOURCELIB_DISPLAY_OPEN,
  76                  RESOURCELIB_DISPLAY_DOWNLOAD,
  77                  RESOURCELIB_DISPLAY_POPUP
  78          ];
  79  
  80          return in_array($display, $displaytypes);
  81      }
  82  
  83      /**
  84       * Returns an array of all completion rules, in the order they should be displayed to users.
  85       *
  86       * @return array
  87       */
  88      public function get_sort_order(): array {
  89          // This module only supports manual completion.
  90          return [];
  91      }
  92  }