[Summary view]

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

   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 viewed event.
  19   *
  20   * @package    core
  21   * @copyright  2014 Adrian Greeve <adrian@moodle.com>
  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   * Course viewed event class.
  30   *
  31   * Class for event to be triggered when a course is viewed.
  32   *
  33   * @property-read array $other {
  34   *      Extra information about the event.
  35   *
  36   *      - int coursesectionnumber: (optional) The course section number.
  37   * }
  38   *
  39   * @package    core
  40   * @since      Moodle 2.7
  41   * @copyright  2014 Adrian Greeve <adrian@moodle.com>
  42   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  43   */
  44  class course_viewed extends base {
  45  
  46      /**
  47       * Init method.
  48       *
  49       * @return void
  50       */
  51      protected function init() {
  52          $this->data['crud'] = 'r';
  53          $this->data['edulevel'] = self::LEVEL_PARTICIPATING;
  54      }
  55  
  56      /**
  57       * Returns description of what happened.
  58       *
  59       * @return string
  60       */
  61      public function get_description() {
  62  
  63          // We keep compatibility with 2.7 and 2.8 other['coursesectionid'].
  64          $sectionstr = '';
  65          if (!empty($this->other['coursesectionnumber'])) {
  66              $sectionstr = "section number '{$this->other['coursesectionnumber']}' of the ";
  67          } else if (!empty($this->other['coursesectionid'])) {
  68              $sectionstr = "section number '{$this->other['coursesectionid']}' of the ";
  69          }
  70          $description = "The user with id '$this->userid' viewed the " . $sectionstr . "course with id '$this->courseid'.";
  71  
  72          return $description;
  73      }
  74  
  75      /**
  76       * Return localised event name.
  77       *
  78       * @return string
  79       */
  80      public static function get_name() {
  81          return get_string('eventcourseviewed', 'core');
  82      }
  83  
  84      /**
  85       * Get URL related to the action.
  86       *
  87       * @return \moodle_url|null
  88       */
  89      public function get_url() {
  90          global $CFG;
  91  
  92          // We keep compatibility with 2.7 and 2.8 other['coursesectionid'].
  93          $sectionnumber = null;
  94          if (isset($this->other['coursesectionnumber'])) {
  95              $sectionnumber = $this->other['coursesectionnumber'];
  96          } else if (isset($this->other['coursesectionid'])) {
  97              $sectionnumber = $this->other['coursesectionid'];
  98          }
  99          require_once($CFG->dirroot . '/course/lib.php');
 100          try {
 101              return course_get_url($this->courseid, $sectionnumber);
 102          } catch (\Exception $e) {
 103              return null;
 104          }
 105      }
 106  
 107      /**
 108       * Custom validation.
 109       *
 110       * @throws \coding_exception
 111       * @return void
 112       */
 113      protected function validate_data() {
 114          parent::validate_data();
 115  
 116          if ($this->contextlevel != CONTEXT_COURSE) {
 117              throw new \coding_exception('Context level must be CONTEXT_COURSE.');
 118          }
 119      }
 120  
 121      public static function get_other_mapping() {
 122          // No mapping required.
 123          return false;
 124      }
 125  }