/**
  * Test discussion_moved event.
  */
 public function test_discussion_moved()
 {
     // Setup test data.
     $course = $this->getDataGenerator()->create_course();
     $fromanonforum = $this->getDataGenerator()->create_module('anonforum', array('course' => $course->id));
     $toanonforum = $this->getDataGenerator()->create_module('anonforum', array('course' => $course->id));
     $user = $this->getDataGenerator()->create_user();
     // Add a discussion.
     $record = array();
     $record['course'] = $course->id;
     $record['anonforum'] = $fromanonforum->id;
     $record['userid'] = $user->id;
     $discussion = $this->getDataGenerator()->get_plugin_generator('mod_anonforum')->create_discussion($record);
     $context = context_module::instance($toanonforum->cmid);
     $params = array('context' => $context, 'objectid' => $discussion->id, 'other' => array('fromanonforumid' => $fromanonforum->id, 'toanonforumid' => $toanonforum->id));
     $event = \mod_anonforum\event\discussion_moved::create($params);
     // Trigger and capture the event.
     $sink = $this->redirectEvents();
     $event->trigger();
     $events = $sink->get_events();
     $this->assertCount(1, $events);
     $event = reset($events);
     // Checking that the event contains the expected values.
     $this->assertInstanceOf('\\mod_anonforum\\event\\discussion_moved', $event);
     $this->assertEquals($context, $event->get_context());
     $expected = array($course->id, 'anonforum', 'move discussion', "discuss.php?d={$discussion->id}", $discussion->id, $toanonforum->cmid);
     $this->assertEventLegacyLogData($expected, $event);
     $this->assertEventContextNotUsed($event);
     $this->assertNotEmpty($event->get_name());
 }
    }
    if (!($cmto = get_coursemodule_from_instance('anonforum', $anonforumto->id, $course->id))) {
        print_error('cannotmovetonotfound', 'anonforum', $return);
    }
    $userid = $USER->id;
    if (!\core_availability\info_module::is_user_visible($cm, $userid, false)) {
        print_error('cannotmovenotvisible', 'anonforum', $return);
    }
    require_capability('mod/anonforum:startdiscussion', context_module::instance($cmto->id));
    if (!anonforum_move_attachments($discussion, $anonforum->id, $anonforumto->id)) {
        echo $OUTPUT->notification("Errors occurred while moving attachment directories - check your file permissions");
    }
    $DB->set_field('anonforum_discussions', 'anonforum', $anonforumto->id, array('id' => $discussion->id));
    $DB->set_field('anonforum_read', 'anonforumid', $anonforumto->id, array('discussionid' => $discussion->id));
    $params = array('context' => $modcontext, 'objectid' => $discussion->id, 'anonymous' => 1, 'other' => array('fromanonforumid' => $anonforum->id, 'toanonforumid' => $anonforumto->id));
    $event = \mod_anonforum\event\discussion_moved::create($params);
    $event->add_record_snapshot('anonforum_discussions', $discussion);
    $event->add_record_snapshot('anonforum', $anonforum);
    $event->add_record_snapshot('anonforum', $anonforumto);
    $event->trigger();
    // Delete the RSS files for the 2  anonymous forums to force regeneration of the feeds
    require_once $CFG->dirroot . '/mod/anonforum/rsslib.php';
    anonforum_rss_delete_file($anonforum);
    anonforum_rss_delete_file($anonforumto);
    redirect($return . '&moved=-1&sesskey=' . sesskey());
}
if (empty($anonforum->anonymous)) {
    $params = array('context' => $modcontext, 'objectid' => $discussion->id, 'anonymous' => 1);
    $event = \mod_anonforum\event\discussion_viewed::create($params);
    $event->add_record_snapshot('anonforum_discussions', $discussion);
    $event->add_record_snapshot('anonforum', $anonforum);