/**
* Extract Track informations from object
* @access public
* @static
* @param \stdClass $track Object represent Track
* @return Track
*/
public static function extractInfos($track)
{
// create Track instance
$trackItem = new self();
// update informations
$trackItem->setUri((string) $track->href);
$trackItem->setName((string) $track->name);
// is popularity available ?
if (isset($track->popularity)) {
// update popularity
$trackItem->setPopularity((double) $track->popularity);
}
// is disc number available ?
if (isset($track->{'disc-number'})) {
// update disc number
$trackItem->setDiscNumber($track->{'disc-number'});
}
// is track number available ?
if (isset($track->{'track-number'})) {
// update track number
$trackItem->setTrackNumber($track->{'track-number'});
}
// is track length available ?
if (isset($track->length)) {
// update track length
$trackItem->setLength($track->length);
}
// is track albul available ?
if (isset($track->album)) {
// update track album
$trackItem->setAlbum(Album::extractInfos($track->album));
}
// is artists available ?
if (isset($track->artists) && is_array($track->artists)) {
// setup artists container
$artists = array();
// iterate artists
foreach ($track->artists as $artist) {
// create Artist and store on container
$artists[] = Artist::extractInfos($artist);
}
// set artists of track
$trackItem->setArtists($artists);
}
// is external ids available ?
if (isset($track->{'external-ids'}) && is_array($track->{'external-ids'})) {
// setup external ids container
$externalIds = array();
// iterate external ids
foreach ($track->{'external-ids'} as $externalId) {
// create ExternalId and store on container
$externalIds[] = ExternalId::extractInfos($externalId);
}
// set external ids of track
$trackItem->setExternalIds($externalIds);
}
// is teritories availabality available ?
if (isset($track->availability) && isset($track->availability->territories)) {
// update territories availability
$trackItem->setTerritories(explode(' ', $track->availability->territories));
}
// on retourne l'instance de la piste
return $trackItem;
}
