/**
* Add a track to a talk by POSTing to /talks/123/tracks with the `track_uri`
* in the body
*
* @param PDO $db
* @param Request $request
*/
public function addTrackToTalk(Request $request, PDO $db)
{
if (!isset($request->user_id)) {
throw new Exception("You must be logged in to create data", 400);
}
$talk_id = $this->getItemId($request);
$talk_mapper = new TalkMapper($db, $request);
$talk = $talk_mapper->getTalkById($talk_id);
if (!$talk) {
throw new Exception("Talk not found", 404);
}
$is_admin = $talk_mapper->thisUserHasAdminOn($talk_id);
$is_speaker = $talk_mapper->isUserASpeakerOnTalk($talk_id, $request->user_id);
if (!($is_admin || $is_speaker)) {
throw new Exception("You do not have permission to add this talk to a track", 400);
}
$track_uri = $request->getParameter("track_uri");
$pattern = '@/' . $request->version . '/tracks/([\\d]+)$@';
if (!preg_match($pattern, $track_uri, $matches)) {
throw new Exception('Invalid track_uri', 400);
}
$track_id = $matches[1];
// is this track on this event?
$event_mapper = new EventMapper($db, $request);
$track_events = $event_mapper->getEventByTrackId($track_id, true, false, false);
if (!$track_events || !$track_events[0]['ID']) {
throw new Exception("Associated event not found", 400);
}
$track_event_id = $track_events[0]['ID'];
if ($talk->event_id != $track_event_id) {
throw new Exception("This talk cannot be added to this track", 400);
}
// add talk to track
$talk_mapper->addTalkToTrack($talk_id, $track_id);
$uri = $request->base . '/' . $request->version . '/talks/' . $talk_id;
header('Location: ' . $uri, null, 201);
exit;
}
