$url->param('edit', $edit);
}
$PAGE->set_url($url);
$quora = $DB->get_record('quora', array('id' => $id), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $quora->course), '*', MUST_EXIST);
if (!($cm = get_coursemodule_from_instance('quora', $quora->id, $course->id))) {
$cm->id = 0;
}
require_login($course, false, $cm);
$context = context_module::instance($cm->id);
if (!has_capability('mod/quora:viewsubscribers', $context)) {
print_error('nopermissiontosubscribe', 'quora');
}
unset($SESSION->fromdiscussion);
$params = array('context' => $context, 'other' => array('quoraid' => $quora->id));
$event = \mod_quora\event\subscribers_viewed::create($params);
$event->trigger();
$quoraoutput = $PAGE->get_renderer('mod_quora');
$currentgroup = groups_get_activity_group($cm);
$options = array('quoraid' => $quora->id, 'currentgroup' => $currentgroup, 'context' => $context);
$existingselector = new mod_quora_existing_subscriber_selector('existingsubscribers', $options);
$subscriberselector = new mod_quora_potential_subscriber_selector('potentialsubscribers', $options);
$subscriberselector->set_existing_subscribers($existingselector->find_users(''));
if (data_submitted()) {
require_sesskey();
$subscribe = (bool) optional_param('subscribe', false, PARAM_RAW);
$unsubscribe = (bool) optional_param('unsubscribe', false, PARAM_RAW);
/** It has to be one or the other, not both or neither */
if (!($subscribe xor $unsubscribe)) {
print_error('invalidaction');
}
/**
* Test the subscribers_viewed event.
*/
public function test_subscribers_viewed()
{
// Setup test data.
$course = $this->getDataGenerator()->create_course();
$quora = $this->getDataGenerator()->create_module('quora', array('course' => $course->id));
$context = context_module::instance($quora->cmid);
$params = array('context' => $context, 'other' => array('quoraid' => $quora->id));
$event = \mod_quora\event\subscribers_viewed::create($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_quora\\event\\subscribers_viewed', $event);
$this->assertEquals($context, $event->get_context());
$expected = array($course->id, 'quora', 'view subscribers', "subscribers.php?id={$quora->id}", $quora->id, $quora->cmid);
$this->assertEventLegacyLogData($expected, $event);
$this->assertEventContextNotUsed($event);
$this->assertNotEmpty($event->get_name());
}