Add initial implementation of track.getInfo webservice method

nixtape/2.0/index.php

@@ -113,6 +113,7 @@ $method_map = array(
 	'tag.getinfo'           => method_tag_getInfo,
 	'track.addtags'         => method_track_addTags,
 	'track.removetag'       => method_track_removeTag,
+	'track.getinfo'		=> method_track_getInfo,
 	'track.gettoptags'      => method_track_getTopTags,
 	'track.gettopfans'      => method_track_getTopFans,
 	'track.gettags'         => method_track_getTags,
@@ -1137,6 +1138,31 @@ function method_track_removeTag() {
 }
 
 
+/**
+ * track.getinfo : Get general information about a track.
+ *
+ * ###Description
+ * Get further information about this track.
+ *
+ * ###Parameters
+ * * **artist** (required)		: Name of the track's artist.
+ * * **track** (required)		: Name of the track.
+ * * **username** (optional)		: User to get track info for (e.g. whether loved or not)
+ * ---
+ *
+ * @package Webservice
+ * @subpackage Track
+ * @api
+ */
+function method_track_getInfo() {
+	if (!isset($_REQUEST['artist']) || !isset($_REQUEST['track'])) {
+		report_failure(LFM_INVALID_PARAMS);
+	}
+
+	$xml = TrackXML::getInfo($_REQUEST['artist'], $_REQUEST['track'], $_REQUEST['username']);
+	respond($xml);
+}
+
 /**
  * track.gettoptags : Get the top tags for a track.
  *

nixtape/api/TrackXML.php

@@ -64,6 +64,33 @@ class TrackXML {
 		return $xml;
 	}
 
+	public static function getInfo($artist, $name, $username) {
+		global $adodb;
+
+		try {
+			$track = new Track($name, $artist);
+		} catch (Exception $e) {
+			return(XML::error('failed', '7', 'Invalid resource specified'));
+		}
+
+		$xml = new SimpleXMLElement('<lfm status="ok"></lfm>');
+		$root = $xml->addChild('track', null);
+		$root->addChild('name', $track->name);
+		$root->addChild('mbid', $track->mbid);
+		$root->addChild('url', $track->getURL());
+		$root->addChild('duration', $track->duration * 1000);
+		$streamable = $root->addChild('streamable', $track->streamable);
+		$streamable->addAttribute('fulltrack', $track->streamable);
+		$root->addChild('listeners', $track->getListenerCount());
+		$root->addChild('playcount', $track->getPlayCount());
+		if($username) {
+			$userid = $adodb->GetOne('SELECT uniqueid FROM Users WHERE '
+				                . 'username = ' . $adodb->qstr($username));
+			$root->addChild('userloved', $track->isLoved($userid) ? 1 : 0);
+		}
+		return $xml;
+	}
+
 	public static function getTopTags($artist, $name, $limit, $cache) {
 
 		try {