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Differences Between: [Versions 311 and 402] [Versions 311 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   * Course module viewed event.
  19   *
  20   * @package    core
  21   * @copyright  2013 onwards Ankit Agarwal
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace core\event;
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  /**
  29   * Abstract Course module viewed event class.
  30   *
  31   * Class for event to be triggered when a course module is viewed.
  32   *
  33   * @package    core
  34   * @since      Moodle 2.7
  35   * @copyright  2013 onwards Ankit Agarwal
  36   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  abstract class course_module_viewed extends base {
  39  
  40      /**
  41       * Init method.
  42       *
  43       * Please override this in extending class and specify objecttable.
  44       *
  45       * @return void
  46       */
  47      protected function init() {
  48          $this->data['crud'] = 'r';
  49          $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
  50      }
  51  
  52      /**
  53       * Returns description of what happened.
  54       *
  55       * @return string
  56       */
  57      public function get_description() {
  58          return "The user with id '$this->userid' viewed the '{$this->objecttable}' activity with " .
  59              "course module id '$this->contextinstanceid'.";
  60      }
  61  
  62      /**
  63       * Return localised event name.
  64       *
  65       * @return string
  66       */
  67      public static function get_name() {
  68          return get_string('eventcoursemoduleviewed', 'core');
  69      }
  70  
  71      /**
  72       * Get URL related to the action.
  73       *
  74       * @return \moodle_url
  75       */
  76      public function get_url() {
  77          return new \moodle_url("/mod/$this->objecttable/view.php", array('id' => $this->contextinstanceid));
  78      }
  79  
  80      /**
  81       * Return the legacy event log data.
  82       *
  83       * @return array|null
  84       */
  85      protected function get_legacy_logdata() {
  86          return array($this->courseid, $this->objecttable, 'view', 'view.php?id=' . $this->contextinstanceid, $this->objectid,
  87                       $this->contextinstanceid);
  88      }
  89  
  90      /**
  91       * Custom validation.
  92       *
  93       * @throws \coding_exception
  94       * @return void
  95       */
  96      protected function validate_data() {
  97          parent::validate_data();
  98          // Make sure this class is never used without proper object details.
  99          if (empty($this->objectid) || empty($this->objecttable)) {
 100              throw new \coding_exception('The course_module_viewed event must define objectid and object table.');
 101          }
 102          // Make sure the context level is set to module.
 103          if ($this->contextlevel != CONTEXT_MODULE) {
 104              throw new \coding_exception('Context level must be CONTEXT_MODULE.');
 105          }
 106      }
 107  }