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Differences Between: [Versions 401 and 402] [Versions 401 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 instance list 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   * Course module instance list viewed event class.
  30   *
  31   * This is an abstract to guide the developers in using this event name for their events.
  32   * It is intended to be used when the user viewes the list of all the instances of a module
  33   * in a course. This replaces the historical 'view all' log entry generated in mod/somemod/index.php.
  34   *
  35   * Example:
  36   *
  37   *     \mod_chat\event\course_module_instance_list_viewed extends \core\event\course_module_instance_list_viewed
  38   *
  39   * @package    core
  40   * @since      Moodle 2.7
  41   * @copyright  2013 onwards Ankit Agarwal
  42   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  43   */
  44  abstract class course_module_instance_list_viewed extends base{
  45  
  46      /** @var string protected var to store mod name */
  47      protected $modname;
  48  
  49      /**
  50       * Init method.
  51       *
  52       * @throws \coding_exception
  53       * @return void
  54       */
  55      protected function init() {
  56          $this->data['crud'] = 'r';
  57          $this->data['edulevel'] = self::LEVEL_OTHER;
  58          if (strstr($this->component, 'mod_') === false) {
  59              throw new \coding_exception('The event name or namespace is invalid.');
  60          } else {
  61              $this->modname = str_replace('mod_', '', $this->component);
  62          }
  63      }
  64  
  65      /**
  66       * Returns description of what happened.
  67       *
  68       * @return string
  69       */
  70      public function get_description() {
  71          return "The user with id '$this->userid' viewed the instance list for the module '$this->modname' in the course " .
  72              "with id '$this->courseid'.";
  73      }
  74  
  75      /**
  76       * Return localised event name.
  77       *
  78       * @return string
  79       */
  80      public static function get_name() {
  81          return get_string('eventcoursemoduleinstancelistviewed', 'core');
  82      }
  83  
  84      /**
  85       * Get URL related to the action.
  86       *
  87       * @return \moodle_url
  88       */
  89      public function get_url() {
  90          return new \moodle_url("/mod/$this->modname/index.php", array('id' => $this->courseid));
  91      }
  92  
  93      /**
  94       * Return the legacy event log data.
  95       *
  96       * @return array|null
  97       */
  98      protected function get_legacy_logdata() {
  99          return array($this->courseid, $this->modname, 'view all', 'index.php?id=' . $this->courseid, '');
 100      }
 101  
 102  
 103      /**
 104       * Custom validation.
 105       *
 106       * @throws \coding_exception
 107       * @return void
 108       */
 109      protected function validate_data() {
 110          parent::validate_data();
 111          if ($this->contextlevel != CONTEXT_COURSE) {
 112              throw new \coding_exception('Context level must be CONTEXT_COURSE.');
 113          }
 114      }
 115  }