public function deleteTrack($request, $db)
{
// Check for login
if (!isset($request->user_id)) {
throw new Exception("You must be logged in to delete this track", 401);
}
$track_id = $this->getItemId($request);
$track_mapper = new TrackMapper($db, $request);
$tracks = $track_mapper->getTrackById($track_id, true);
if (!$tracks) {
throw new Exception("Track not found", 404);
}
$event_mapper = new EventMapper($db, $request);
$events = $event_mapper->getEventByTrackId($track_id, true, false, false);
if (!$events || !$events[0]['ID']) {
throw new Exception("Associated event not found", 404);
}
$event_id = $events[0]['ID'];
if (!$event_mapper->thisUserHasAdminOn($event_id)) {
throw new Exception('You do not have permission to delete this track', 403);
}
$track_mapper->deleteEventTrack($track_id);
header("Content-Length: 0", null, 204);
exit;
}
public function getAction($request, $db)
{
$track_id = $this->getItemId($request);
// verbosity
$verbose = $this->getVerbosity($request);
if ($track_id) {
$mapper = new TrackMapper($db, $request);
$list = $mapper->getTrackById($track_id, $verbose);
if (false === $list) {
throw new Exception('Track not found', 404);
}
} else {
// listing makes no sense
throw new Exception('Generic tracks listing not supported', 405);
}
return $list;
}
public function getAction($request, $db)
{
$event_id = $this->getItemId($request);
// verbosity
$verbose = $this->getVerbosity($request);
// pagination settings
$start = $this->getStart($request);
$resultsperpage = $this->getResultsPerPage($request);
if (isset($request->url_elements[4])) {
switch ($request->url_elements[4]) {
case 'talks':
$talk_mapper = new TalkMapper($db, $request);
$list = $talk_mapper->getTalksByEventId($event_id, $resultsperpage, $start, $verbose);
break;
case 'comments':
$event_comment_mapper = new EventCommentMapper($db, $request);
$list = $event_comment_mapper->getEventCommentsByEventId($event_id, $resultsperpage, $start, $verbose);
break;
case 'talk_comments':
$sort = $this->getSort($request);
$talk_comment_mapper = new TalkCommentMapper($db, $request);
$list = $talk_comment_mapper->getCommentsByEventId($event_id, $resultsperpage, $start, $verbose, $sort);
break;
case 'attendees':
$user_mapper = new UserMapper($db, $request);
$list = $user_mapper->getUsersAttendingEventId($event_id, $resultsperpage, $start, $verbose);
break;
case 'attending':
$mapper = new EventMapper($db, $request);
$list = $mapper->getUserAttendance($event_id, $request->user_id);
break;
case 'tracks':
$mapper = new TrackMapper($db, $request);
$list = $mapper->getTracksByEventId($event_id, $resultsperpage, $start, $verbose);
break;
default:
throw new InvalidArgumentException('Unknown Subrequest', 404);
break;
}
} else {
$mapper = new EventMapper($db, $request);
$user_mapper = new UserMapper($db, $request);
$isSiteAdmin = $user_mapper->isSiteAdmin($request->user_id);
$activeEventsOnly = $isSiteAdmin ? false : true;
if ($event_id) {
$list = $mapper->getEventById($event_id, $verbose, $activeEventsOnly);
if (count($list['events']) == 0) {
throw new Exception('Event not found', 404);
}
} else {
// handle the filter parameters
$params = array();
// collection type filter
$filters = array("hot", "upcoming", "past", "cfp", "pending");
if (isset($request->parameters['filter']) && in_array($request->parameters['filter'], $filters)) {
$params["filter"] = $request->parameters['filter'];
// for pending events we need a logged in user with the correct permissions
if ($params["filter"] == 'pending') {
if (!isset($request->user_id)) {
throw new Exception("You must be logged in to view pending events", 400);
}
$user_mapper = new UserMapper($db, $request);
$canApproveEvents = $user_mapper->isSiteAdmin($request->user_id);
if (!$canApproveEvents) {
throw new Exception("You don't have permission to view pending events", 403);
}
}
}
if (isset($request->parameters['title'])) {
$title = filter_var($request->parameters['title'], FILTER_SANITIZE_STRING);
$params["title"] = $title;
}
if (isset($request->parameters['stub'])) {
$stub = filter_var($request->parameters['stub'], FILTER_SANITIZE_STRING);
$params["stub"] = $stub;
}
if (isset($request->parameters['tags'])) {
// if it isn't an array, make it one
if (is_array($request->parameters['tags'])) {
foreach ($request->parameters['tags'] as $t) {
$tags[] = filter_var(trim($t), FILTER_SANITIZE_STRING);
}
} else {
$tags = array(filter_var(trim($request->parameters['tags']), FILTER_SANITIZE_STRING));
}
$params["tags"] = $tags;
}
if (isset($request->parameters['startdate'])) {
$start_datetime = new DateTime($request->parameters['startdate']);
if ($start_datetime) {
$params["startdate"] = $start_datetime->format("U");
}
}
if (isset($request->parameters['enddate'])) {
$end_datetime = new DateTime($request->parameters['enddate']);
if ($end_datetime) {
$params["enddate"] = $end_datetime->format("U");
}
}
$list = $mapper->getEventList($resultsperpage, $start, $params, $verbose);
}
}
return $list;
}
/**
* Create track
*
* @param Request $request
* @param PDO $db
*
* @return void
*/
public function createTrack($request, $db)
{
// Check for login
if (!isset($request->user_id)) {
throw new Exception("You must be logged in to create a track", 401);
}
$track = array();
$event_id = $this->getItemId($request);
$track['event_id'] = $event_id;
if (empty($track['event_id'])) {
throw new Exception("POST expects a track representation sent to a specific event URL", 400);
}
$event_mapper = new EventMapper($db, $request);
$events = $event_mapper->getEventById($event_id, true);
if (!$events || $events['meta']['count'] == 0) {
throw new Exception("Associated event not found", 404);
}
if (!$event_mapper->thisUserHasAdminOn($event_id)) {
throw new Exception('You do not have permission to edit this track', 403);
}
// validate fields
$errors = [];
$track['track_name'] = filter_var($request->getParameter("track_name"), FILTER_SANITIZE_STRING, FILTER_FLAG_NO_ENCODE_QUOTES);
if (empty($track['track_name'])) {
$errors[] = "'track_name' is a required field";
}
$track['track_description'] = filter_var($request->getParameter("track_description"), FILTER_SANITIZE_STRING, FILTER_FLAG_NO_ENCODE_QUOTES);
if (empty($track['track_description'])) {
$errors[] = "'track_description' is a required field";
}
if ($errors) {
throw new Exception(implode(". ", $errors), 400);
}
$track_mapper = new TrackMapper($db, $request);
$track_id = $track_mapper->createEventTrack($track, $event_id);
$uri = $request->base . '/' . $request->version . '/tracks/' . $track_id;
header("Location: " . $uri, null, 201);
exit;
}
