/**
* Test that after toggling the twf subscription as another user,
* the discussion subscription functionality works as expected.
*/
public function test_twf_subscribe_toggle_as_other_repeat_subscriptions()
{
global $DB;
$this->resetAfterTest(true);
// Create a course, with a twf.
$course = $this->getDataGenerator()->create_course();
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_CHOOSESUBSCRIBE);
$twf = $this->getDataGenerator()->create_module('twf', $options);
// Create a user enrolled in the course as a student.
list($user) = $this->helper_create_users($course, 1);
// Post a discussion to the twf.
list($discussion, $post) = $this->helper_post_to_twf($twf, $user);
// Confirm that the user is currently not subscribed to the twf.
$this->assertFalse(\mod_twf\subscriptions::is_subscribed($user->id, $twf));
// Confirm that the user is unsubscribed from the discussion too.
$this->assertFalse(\mod_twf\subscriptions::is_subscribed($user->id, $twf, $discussion->id));
// Confirm that we have no records in either of the subscription tables.
$this->assertEquals(0, $DB->count_records('twf_subscriptions', array('userid' => $user->id, 'twf' => $twf->id)));
$this->assertEquals(0, $DB->count_records('twf_discussion_subs', array('userid' => $user->id, 'discussion' => $discussion->id)));
// Subscribing to the twf should create a record in the subscriptions table, but not the twf discussion
// subscriptions table.
\mod_twf\subscriptions::subscribe_user($user->id, $twf);
$this->assertEquals(1, $DB->count_records('twf_subscriptions', array('userid' => $user->id, 'twf' => $twf->id)));
$this->assertEquals(0, $DB->count_records('twf_discussion_subs', array('userid' => $user->id, 'discussion' => $discussion->id)));
// Now unsubscribe from the discussion. This should return true.
$this->assertTrue(\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion));
// Attempting to unsubscribe again should return false because no change was made.
$this->assertFalse(\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion));
// Subscribing to the discussion again should return truthfully as the subscription preference was removed.
$this->assertTrue(\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion));
// Attempting to subscribe again should return false because no change was made.
$this->assertFalse(\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion));
// Now unsubscribe from the discussion. This should return true once more.
$this->assertTrue(\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion));
// And unsubscribing from the twf but not as a request from the user should maintain their preference.
\mod_twf\subscriptions::unsubscribe_user($user->id, $twf);
$this->assertEquals(0, $DB->count_records('twf_subscriptions', array('userid' => $user->id, 'twf' => $twf->id)));
$this->assertEquals(1, $DB->count_records('twf_discussion_subs', array('userid' => $user->id, 'discussion' => $discussion->id)));
// Subscribing to the discussion should return truthfully because a change was made.
$this->assertTrue(\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion));
$this->assertEquals(0, $DB->count_records('twf_subscriptions', array('userid' => $user->id, 'twf' => $twf->id)));
$this->assertEquals(1, $DB->count_records('twf_discussion_subs', array('userid' => $user->id, 'discussion' => $discussion->id)));
}
// Ensure they are subscribed to the discussion still.
$subscriptionchanges[$userid] = $subscriptiontime;
}
}
}
$DB->set_field('twf_discussions', 'twf', $twfto->id, array('id' => $discussion->id));
$DB->set_field('twf_read', 'twfid', $twfto->id, array('discussionid' => $discussion->id));
// Delete the existing per-discussion subscriptions and replace them with the newly calculated ones.
$DB->delete_records('twf_discussion_subs', array('discussion' => $discussion->id));
$newdiscussion = clone $discussion;
$newdiscussion->twf = $twfto->id;
foreach ($subscriptionchanges as $userid => $preference) {
if ($preference != \mod_twf\subscriptions::FORUM_DISCUSSION_UNSUBSCRIBED) {
// Users must have viewdiscussion to a discussion.
if (has_capability('mod/twf:viewdiscussion', $destinationctx, $userid)) {
\mod_twf\subscriptions::subscribe_user_to_discussion($userid, $newdiscussion, $destinationctx);
}
} else {
\mod_twf\subscriptions::unsubscribe_user_from_discussion($userid, $newdiscussion, $destinationctx);
}
}
$params = array('context' => $destinationctx, 'objectid' => $discussion->id, 'other' => array('fromtwfid' => $twf->id, 'totwfid' => $twfto->id));
$event = \mod_twf\event\discussion_moved::create($params);
$event->add_record_snapshot('twf_discussions', $discussion);
$event->add_record_snapshot('twf', $twf);
$event->add_record_snapshot('twf', $twfto);
$event->trigger();
// Delete the RSS files for the 2 twfs to force regeneration of the feeds
require_once $CFG->dirroot . '/mod/twf/rsslib.php';
twf_rss_delete_file($twf);
twf_rss_delete_file($twfto);
$includetext = optional_param('includetext', false, PARAM_BOOL);
$twf = $DB->get_record('twf', array('id' => $twfid), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $twf->course), '*', MUST_EXIST);
$discussion = $DB->get_record('twf_discussions', array('id' => $discussionid), '*', MUST_EXIST);
$cm = get_coursemodule_from_instance('twf', $twf->id, $course->id, false, MUST_EXIST);
$context = context_module::instance($cm->id);
require_sesskey();
require_login($course, false, $cm);
require_capability('mod/twf:viewdiscussion', $context);
$return = new stdClass();
if (is_guest($context, $USER)) {
// is_guest should be used here as this also checks whether the user is a guest in the current course.
// Guests and visitors cannot subscribe - only enrolled users.
throw new moodle_exception('noguestsubscribe', 'mod_twf');
}
if (!\mod_twf\subscriptions::is_subscribable($twf)) {
// Nothing to do. We won't actually output any content here though.
echo json_encode($return);
die;
}
if (\mod_twf\subscriptions::is_subscribed($USER->id, $twf, $discussion->id, $cm)) {
// The user is subscribed, unsubscribe them.
\mod_twf\subscriptions::unsubscribe_user_from_discussion($USER->id, $discussion, $context);
} else {
// The user is unsubscribed, subscribe them.
\mod_twf\subscriptions::subscribe_user_to_discussion($USER->id, $discussion, $context);
}
// Now return the updated subscription icon.
$return->icon = twf_get_discussion_subscription_icon($twf, $discussion->id, null, $includetext);
echo json_encode($return);
die;
/**
* Test that a user unsubscribed from a twf who has subscribed to a discussion, only receives posts made after
* they subscribed to the discussion.
*/
public function test_twf_discussion_subscription_twf_unsubscribed_discussion_subscribed_after_post()
{
$this->resetAfterTest(true);
// Create a course, with a twf.
$course = $this->getDataGenerator()->create_course();
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_CHOOSESUBSCRIBE);
$twf = $this->getDataGenerator()->create_module('twf', $options);
$expectedmessages = array();
// Create a user enrolled in the course as a student.
list($author) = $this->helper_create_users($course, 1);
// Post a discussion to the twf.
list($discussion, $post) = $this->helper_post_to_twf($twf, $author);
$this->helper_update_post_time($post, -90);
$expectedmessages[] = array('id' => $post->id, 'subject' => $post->subject, 'count' => 0);
// Then subscribe the user to the discussion.
$this->assertTrue(\mod_twf\subscriptions::subscribe_user_to_discussion($author->id, $discussion));
$this->helper_update_subscription_time($author, $discussion, -60);
// Then post a reply to the first discussion.
$reply = $this->helper_post_to_discussion($twf, $discussion, $author);
$this->helper_update_post_time($reply, -30);
$expectedmessages[] = array('id' => $reply->id, 'subject' => $reply->subject, 'count' => 1);
$expectedcount = 1;
// Run cron and check that the expected number of users received the notification.
$messages = $this->helper_run_cron_check_counts($expectedmessages, $expectedcount);
}
/**
* Test that the correct context is used in the events when subscribing
* users.
*/
public function test_twf_subscription_page_context_valid()
{
global $CFG, $PAGE;
require_once $CFG->dirroot . '/mod/twf/lib.php';
// Setup test data.
$course = $this->getDataGenerator()->create_course();
$user = $this->getDataGenerator()->create_user();
$this->getDataGenerator()->enrol_user($user->id, $course->id);
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_CHOOSESUBSCRIBE);
$twf = $this->getDataGenerator()->create_module('twf', $options);
$quiz = $this->getDataGenerator()->create_module('quiz', $options);
// Add a discussion.
$record = array();
$record['course'] = $course->id;
$record['twf'] = $twf->id;
$record['userid'] = $user->id;
$discussion = $this->getDataGenerator()->get_plugin_generator('mod_twf')->create_discussion($record);
// Add a post.
$record = array();
$record['discussion'] = $discussion->id;
$record['userid'] = $user->id;
$post = $this->getDataGenerator()->get_plugin_generator('mod_twf')->create_post($record);
// Set up the default page event to use this twf.
$PAGE = new moodle_page();
$cm = get_coursemodule_from_instance('twf', $discussion->twf);
$context = \context_module::instance($cm->id);
$PAGE->set_context($context);
$PAGE->set_cm($cm, $course, $twf);
// Trigger and capturing the event.
$sink = $this->redirectEvents();
// Trigger the event by subscribing the user to the twf.
\mod_twf\subscriptions::subscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user to the twf.
\mod_twf\subscriptions::unsubscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by subscribing the user to the discussion.
\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user from the discussion.
\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
// Now try with the context for a different module (quiz).
$PAGE = new moodle_page();
$cm = get_coursemodule_from_instance('quiz', $quiz->id);
$quizcontext = \context_module::instance($cm->id);
$PAGE->set_context($quizcontext);
$PAGE->set_cm($cm, $course, $quiz);
// Trigger and capturing the event.
$sink = $this->redirectEvents();
// Trigger the event by subscribing the user to the twf.
\mod_twf\subscriptions::subscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user to the twf.
\mod_twf\subscriptions::unsubscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by subscribing the user to the discussion.
\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user from the discussion.
\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
// Now try with the course context - the module context should still be used.
$PAGE = new moodle_page();
$coursecontext = \context_course::instance($course->id);
$PAGE->set_context($coursecontext);
// Trigger the event by subscribing the user to the twf.
\mod_twf\subscriptions::subscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user to the twf.
\mod_twf\subscriptions::unsubscribe_user($user->id, $twf);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by subscribing the user to the discussion.
\mod_twf\subscriptions::subscribe_user_to_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_created', $event);
$this->assertEquals($context, $event->get_context());
// Trigger the event by unsubscribing the user from the discussion.
\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion);
$events = $sink->get_events();
$sink->clear();
$this->assertCount(1, $events);
$event = reset($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_twf\\event\\discussion_subscription_deleted', $event);
$this->assertEquals($context, $event->get_context());
}
/**
* Given a new post, subscribes or unsubscribes as appropriate.
* Returns some text which describes what happened.
*
* @param object $fromform The submitted form
* @param stdClass $twf The twf record
* @param stdClass $discussion The twf discussion record
* @return string
*/
function twf_post_subscription($fromform, $twf, $discussion)
{
global $USER;
if (\mod_twf\subscriptions::is_forcesubscribed($twf)) {
return "";
} else {
if (\mod_twf\subscriptions::subscription_disabled($twf)) {
$subscribed = \mod_twf\subscriptions::is_subscribed($USER->id, $twf);
if ($subscribed && !has_capability('moodle/course:manageactivities', context_course::instance($twf->course), $USER->id)) {
// This user should not be subscribed to the twf.
\mod_twf\subscriptions::unsubscribe_user($USER->id, $twf);
}
return "";
}
}
$info = new stdClass();
$info->name = fullname($USER);
$info->discussion = format_string($discussion->name);
$info->twf = format_string($twf->name);
if (isset($fromform->discussionsubscribe) && $fromform->discussionsubscribe) {
if ($result = \mod_twf\subscriptions::subscribe_user_to_discussion($USER->id, $discussion)) {
return html_writer::tag('p', get_string('discussionnowsubscribed', 'twf', $info));
}
} else {
if ($result = \mod_twf\subscriptions::unsubscribe_user_from_discussion($USER->id, $discussion)) {
return html_writer::tag('p', get_string('discussionnownotsubscribed', 'twf', $info));
}
}
return '';
}