/**
* Initialize a Quotation Collection
*
* I haven't overiden the constructer, but by overiding this method, I can more easily add new APIs, which I currently don't for this subclass
*/
protected function initializeAPIs()
{
parent::initializeAPIs();
}
/**
* This method I created as part of my favourite or loved tracks mashup. The code is for creating an instance of this
* class populated by the albums that correspond to a user's loved tracks in last.fm. By putting the code here as a static method
* future users of this class can populate their music collection with this info too.
*
* In the array I also put the track name and the url on Last.fm, I used non-numeric indices for this extra data.
*
* @return musicCollection
*/
public static function collectionFromLovedTracks()
{
$lovedTracksInfo = array();
$myLovedTracks = musicCollection::getLovedTracksFor(myInfo::MY_LAST_FM_USER_NAME);
// New Caching Code
$strippedUserName = preg_replace("/[^a-zA-Z0-9]/", "", myInfo::MY_LAST_FM_USER_NAME);
if (strlen($strippedUserName) > 0) {
$strippedUserName = $strippedUserName . 'LovedTracks';
$myCache = new Caching("./MashupCache/LovedTracks/", $strippedUserName);
if ($myCache->needToRenewData()) {
$lovedTracksCount = count($myLovedTracks);
$artistName = '';
$albumTitle = '';
$songTitle = '';
$songURL = '';
$i = 0;
while ($i < $lovedTracksCount) {
// Need album titles
$formattedSongTitle = str_replace(' ', '+', $myLovedTracks[$i]['name']);
// http://ax.itunes.apple.com/WebObjects/MZStoreServices.woa/wa/wsSearch?term=song+title&entity=musicTrack
$iTunesSearch = 'http://ax.itunes.apple.com/WebObjects/MZStoreServices.woa/wa/wsSearch?term=' . $formattedSongTitle . '&media=music&entity=musicTrack&attribute=musicTrackTerm';
$iTunesSearchResults = fetchThisURL($iTunesSearch);
$iTunesResults = json_decode($iTunesSearchResults);
$artistName = $myLovedTracks[$i]['artist']['name'];
$songTitle = $myLovedTracks[$i]['name'];
$songURL = 'http://' . $myLovedTracks[$i]['url'];
// This should solve some linking issues...
if ($iTunesResults->resultCount > 0) {
$j = 0;
$foundAlbum = false;
while ($j < $iTunesResults->resultCount && !$foundAlbum) {
if (strcmp($iTunesResults->results[$j]->artistName, $myLovedTracks[$i]['artist']['name']) == 0) {
$albumTitle = $iTunesResults->results[$j]->collectionName;
$foundAlbum = true;
}
$j++;
}
// if we don't find one, such as in the case of Tom Waits "Looking for the heart of Saturday Night" , we are end up with the wrong data...
if (!$foundAlbum) {
// This is necessary
$albumTitle = '';
}
} else {
$albumTitle = '';
}
$lovedTracksInfo[$i] = array(0 => $artistName, 1 => $albumTitle, 'songTitle' => $songTitle, 'songURL' => $songURL);
$i++;
}
$reformatedTracks = serialize($lovedTracksInfo);
$myCache->saveSerializedDataToFile($reformatedTracks);
} else {
// It doesn't need to be renewed so use local copy of array
$lovedTracksInfo = $myCache->getUnserializedData();
}
}
return new musicCollection($lovedTracksInfo);
}
