/**
* @Route("/events", name="events")
* @Template("TuneMapsFrontBundle:Contents:events.html.twig")
*/
public function eventsAction()
{
$em = $this->getDoctrine()->getEntityManager();
$user = $this->get('security.context')->getToken()->getUser();
$lastFmCrawler = new LastFMCrawler();
$events = $lastFmCrawler->getEvents($user->getLastLocation());
$artistrepository = $em->getRepository('TuneMaps\\MusicDataBundle\\Entity\\Artist');
$artistplayedrepository = $em->getRepository('TuneMaps\\MusicDataBundle\\Entity\\ArtistPlayed');
/*
* Event Recommendation Algorithm
* @author D. Eikelenboom
* @return list of events
*/
$user = $this->get('security.context')->getToken()->getUser();
foreach ($events as $event) {
//get all attending artists
$artists = $event->getAttendingArtists();
$sumPlaycount = 0;
foreach ($artists as $artist_partial) {
//get playcount for an artist for this user
$artist = $artistrepository->findOneBy(array('name' => $artist_partial->getName()));
$playcount;
if ($artist == NULL) {
//if artist is not in database for this user, then it has not been played yet
$playcount = 0;
} else {
//retrieve from crawler if not in own db
$artistPlayed = $artistplayedrepository->findOneBy(array('artist' => $artist->getId(), 'user' => $user->getId()));
//get playcount
if ($artistPlayed != null) {
$playcount = $artistPlayed->getTimesPlayed();
}
}
//and sum the playcounts for the event
$sumPlaycount = $sumPlaycount + $playcount;
}
//total sum of playcounts for this event
$event->setRank($sumPlaycount);
}
//sort events on rank/playcount
usort($events, function ($a, $b) {
return $a->getRank() < $b->getRank();
});
//limit to a list of 10 events
$events = array_slice($events, 0, 10);
return array('events' => $events);
}
public function getEvents($n, $location)
{
$crawler = new LastFMCrawler();
$events = $crawler->getEvents($location);
$user = $this->get('security.context')->getToken()->getUser();
foreach ($events as $event) {
//get all attending artists
$artists = $event->getAttendingArtists();
$playcount = 0;
foreach ($artists as $artistname) {
//get playcount for an artist for this user
$artist = $em->getRepository('TuneMaps\\MusicDataBundle\\Entity\\Artist')->findOneBy(array('name' => $artistname));
/*$artistPlayed = $em->getRepository('TuneMaps\MusicDataBundle\Entity\ArtistPlayed')->findOneBy(array('artist' => $artist->getId(), 'user' => $user->getId()));
//get playcount
if($artistPlayed != null) {
$playcount = $artistPlayed->getTimesPlayed();
}*/
}
}
//sort on highest playcount
return 'test';
}
