/**
* @param SimpleXMLElement $xml
* @return Track
*/
public static function fromXML(SimpleXMLElement $xml)
{
$track = new Track();
if (!empty($xml->name)) {
$track->setName((string) $xml->name[0]);
}
if (!empty($xml->cmt)) {
$track->setComment((string) $xml->cmt[0]);
}
if (!empty($xml->desc)) {
$track->setDescription((string) $xml->desc[0]);
}
if (!empty($xml->src)) {
$track->setSource((string) $xml->src[0]);
}
if (!empty($xml->link)) {
$links = [];
foreach ($xml->link as $link) {
array_push($links, Link::fromXML($link));
}
$track->setLinks($links);
}
if (!empty($xml->number)) {
$track->setNumber((int) $xml->number[0]);
}
if (!empty($xml->type)) {
$track->setType((string) $xml->type[0]);
}
if (!empty($xml->extensions)) {
$track->setExtensions(Extensions::fromXML($xml->extensions[0]));
}
if (!empty($xml->trkseg)) {
$trackSegments = [];
foreach ($xml->trkseg as $trackSegment) {
array_push($trackSegments, TrackSegment::fromXML($trackSegment));
}
$track->setTrackSegments($trackSegments);
}
return $track;
}
public static function findArtistTracks($entityManager)
{
#get the configuration file for the app
$file = file_get_contents(__DIR__ . "/../../etc/config.json");
$config = json_decode($file, true);
$artistRepository = $entityManager->getRepository('Artist');
$artists = $artistRepository->findBy(array('hasTracks' => NULL), array('name' => 'ASC'), 30, 0);
if (count($artists) == 0) {
error_log("no trackless artists. Exit");
return;
} else {
error_log(count($artists) . "artist(s) to process.");
}
foreach ($artists as $artist) {
$name = $artist->getName();
if (!$name) {
continue;
}
#ignore artists that already have tracks
if ($artist->getTracks()->count()) {
$entityManager->persist($artist);
continue;
}
error_log("processing {$name}");
$spotifyId = $artist->getSpotifyId();
$parameters = array('bucket' => array('id:spotify-WW', 'tracks'), 'limit' => "true", "results" => 10);
if ($spotifyId) {
$parameters['artist_id'] = $spotifyId;
} else {
$parameters['artist'] = $name;
}
$query = http_build_query($parameters);
$query = preg_replace("/\\%5B\\d+\\%5D/im", "", $query);
\Echonest\Service\Echonest::configure($config['echonest']['key']);
$response = \Echonest\Service\Echonest::query('song', 'search', $query);
$response = $response->response;
if ($response && $response->status->code == 0) {
$songs = $response->songs;
$entityManager->persist($artist);
#no songs, move on to next artist
if (!count($songs)) {
$artist->setHasTracks(false);
continue;
} else {
$artist->setHasTracks(true);
}
foreach ($songs as $song) {
$track = new \Track();
$title = $song->title;
$track->setName($title);
$foreign = array_shift($song->tracks);
if ($foreign) {
$spotifyId = $foreign->foreign_id;
$track->setSpotifyId($spotifyId);
}
$artist->addTrack($track);
$track->assignToArtist($artist);
$entityManager->persist($track);
}
} else {
error_log("error: " . $response->status->message);
break;
}
}
$entityManager->flush();
}
