/**
* Generates a XML string from your array or object of artists, albums
* or tracks.
*
* @throws MetaTuneException
* @param mixed $input
* @return string
*/
public function generateXML($input)
{
if (!is_array($input) && $input instanceof SpotifyItem) {
return $input->asXML();
}
// Empty array. No need for that.
if (count($input) < 1) {
throw new MetaTuneException(1003);
}
if ($input[0] instanceof Artist) {
$xml = new MBSimpleXMLElement('<?xml version = "1.0" encoding = "UTF-8"?><artists></artists>');
} else {
if ($input[0] instanceof Track) {
$xml = new MBSimpleXMLElement('<?xml version = "1.0" encoding = "UTF-8"?><tracks></tracks>');
} else {
if ($input[0] instanceof Album) {
$xml = new MBSimpleXMLElement('<?xml version = "1.0" encoding = "UTF-8"?><albums></albums>');
} else {
throw new MetaTuneException(1004);
}
}
}
foreach ($input as $item) {
$xml->addXMLElement(new MBSimpleXMLElement($item->asXML()));
}
return $xml->asXML();
}
/**
* Get XML representation of track.
*
* @return string
*/
public function asXML()
{
$xml = new MBSimpleXMLElement('<track></track>');
$xml->addAttribute("href", $this->getURI());
$xml->addCData("name", $this->getTitle());
// Add artists
if ($this->artist != null) {
if (is_array($this->artist)) {
foreach ($this->artist as $artist) {
$xml->addXMLElement(new MBSimpleXMLElement($artist->asXML()));
}
} else {
$xml->addXMLElement(new MBSimpleXMLElement($this->artist->asXML()));
}
}
if ($this->album != null) {
$xml->addXMLElement(new MBSimpleXMLElement($this->album->asXML()));
}
$xml->addChild("length", $this->length);
$xml->addChild("popularity", $this->popularity);
$xml->addChild("track-number", $this->trackNr);
$xml->addChild("disc-number", $this->discNr);
return $xml->asXML();
}
/**
* Get XML representation of album.
*
* @return string
*/
public function asXML()
{
$xml = new MBSimpleXMLElement('<album></album>');
$xml->addAttribute("href", $this->getURI());
$xml->addCData("name", $this->getName());
$xml->addXMLElement(new MBSimpleXMLElement($this->artist->asXML()));
$tracksElement = $xml->addChild("tracks");
foreach ($this->tracks as $track) {
$tracksElement->addXMLElement(new MBSimpleXMLElement($track->asXML()));
}
$xml->addChild("popularity", $this->popularity);
$xml->addChild("released", $this->release);
return $xml->asXML();
}