/**
* Run method with main page logic
*
* MEMBERS ONLY. POST requests only. Check that the user has a valid session and that a specified event exists. If true,
* make sure that the user does not already have an Attendance record. If no record exists,
* create new Attendance record and save it to database.
* @access public
*/
public function run()
{
$session = Session::getInstance();
$user = $session->getUser();
if (!$user || !$user->validUser()) {
$session->setMessage("Do not have permission to access", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
$eventDAO = EventDAO::getInstance();
$attendDAO = AttendanceDAO::getInstance();
if (!empty($_POST)) {
$event_id = isset($_POST["eventid"]) && is_numeric($_POST["eventid"]) ? intval($_POST["eventid"]) : 0;
$action = isset($_POST["action"]) ? $_POST["action"] : "";
if (empty($event_id) || $event_id < 0) {
$session->setMessage("Invalid event id", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
$event = $eventDAO->load($event_id);
if (!$event) {
$session->setMessage("Event could not be found", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
if ($action && strcmp($action, "remove") == 0) {
$attend = $attendDAO->loadExists($event, $user);
if (!$attend) {
$session->setMessage("You are not marked as attending", Session::MESSAGE_ERROR);
header("Location: {$event->getAbsoluteUrl()}");
return;
}
if ($attendDAO->delete($attend)) {
$session->setMessage("You are no longer as attending");
header("Location: {$event->getAbsoluteUrl()}");
return;
} else {
$session->setMessage("Request for attendance removal failed", Session::MESSAGE_ERROR);
header("Location: {$event->getAbsoluteUrl()}");
return;
}
} else {
$attend = $attendDAO->loadExists($event, $user);
if ($attend) {
$session->setMessage("You are already marked as attending", Session::MESSAGE_ERROR);
header("Location: {$event->getAbsoluteUrl()}");
return;
}
$attend = new Attendance();
$attend->setEventId($event->id);
$attend->setUserId($user->id);
if ($attendDAO->insert($attend)) {
$session->setMessage("You are now marked as attending");
header("Location: {$event->getAbsoluteUrl()}");
return;
} else {
$session->setMessage("Request for attendance failed", Session::MESSAGE_ERROR);
header("Location: {$event->getAbsoluteUrl()}");
return;
}
}
}
header("Location: " . BASE_URL);
return;
}