/**
* Edit a talk
*
* Edit talk after being called via the URL "/talks/[talkId]"
*
* @param Request $request
* @param PDO $db
*
* @throws Exception
* @return void
*/
public function editTalk(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 update this talk", 403);
}
// retrieve the talk data from the request
$data = $this->getTalkDataFromRequest($db, $request, $talk->event_id);
// edit the talk
$talk_mapper->editTalk($data, $talk_id);
header("Location: " . $request->base . $request->path_info, null, 204);
exit;
}
