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<?php
/*
Copyright 2001 - 2007 Ampache.org
All Rights Reserved
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* xmlData
* This class takes care of all of the xml document stuff in Ampache these
* are all static calls
*/
class xmlData {
public static $version = '340001';
// This is added so that we don't pop any webservers
public static $limit = '5000';
/**
* constructor
* We don't use this, as its really a static class
*/
private function __construct() {
// Rien a faire
} // constructor
/**
* error
* This generates a standard XML Error message
* nothing fancy here...
*/
public static function error($string) {
$string = self::_header() . "\t<error><![CDATA[$string]]></error>" . self::_footer();
return $string;
} // error
/**
* single_string
* This takes two values, first the key second the string
*/
public static function single_string($key,$string) {
$final = self::_header() . "\t<$key><![CDATA[$string]]></$key>" . self::_footer();
return $final;
} // single_string
/**
* artists
* This takes an array of artists and then returns a pretty xml document with the information
* we want
*/
public static function artists($artists) {
if (count($artists) > self::$limit) {
$artists = array_splice($artists,0,self::$limit);
}
foreach ($artists as $artist_id) {
$artist = new Artist($artist_id);
$artist->format();
$string .= "<artist id=\"$artist->id\">\n" .
"\t<name><![CDATA[$artist->f_full_name]]></name>\n" .
"</artist>\n";
} // end foreach artists
$final = self::_header() . $string . self::_footer();
return $final;
} // artists
/**
* albums
* This echos out a standard albums XML document, it pays attention to the limit
*/
public static function albums($albums) {
if (count($albums) > self::$limit) {
$albums = array_splice($albums,0,self::$limit);
}
foreach ($albums as $album_id) {
$album = new Album($album_id);
$album->format();
// Build the Art URL, include session
$art_url = Config::get('web_path') . '/image.php?id=' . $album->id . '&auth=' . scrub_out($_REQUEST['auth']);
$string .= "<album id=\"$album->id\">\n" .
"\t<name><![CDATA[$album->name]]></name>\n";
// Do a little check for artist stuff
if ($album->artist_count != 1) {
$string .= "\t<artist id=\"0\"><![CDATA[Various]]></artist>\n";
}
else {
$string .= "\t<artist id=\"$album->artist\"><![CDATA[$album->artist_name]]></artist>\n";
}
$string .= "\t<year>$album->year</year>\n" .
"\t<tracks>$album->song_count</tracks>\n" .
"\t<disk>$album->disk</disk>\n" .
"\t<art><![CDATA[$art_url]]></art>\n" .
"</album>\n";
} // end foreach
$final = self::_header() . $string . self::_footer();
return $final;
} // albums
/**
* genres
* This takes an array of genre ids and returns a nice little pretty xml doc
*/
public static function genres($genres) {
if (count($genres) > self::$limit) {
$genres = array_slice($genres,0,self::$limit);
}
// Foreach the ids
foreach ($genres as $genre_id) {
$genre = new Genre($genre_id);
$genre->format();
$song_count = $genre->get_song_count();
$album_count = $genre->get_album_count();
$artist_count = $genre->get_artist_count();
$string .= "<genre id=\"$genre->id\">\n" .
"\t<name><![CDATA[$genre->name]]></name>\n" .
"\t<songs>$song_count</songs>\n" .
"\t<albums>$album_count</albums>\n" .
"\t<artists>$artist_count</artists>\n" .
"</genre>\n";
} // end foreach
$final = self::_header() . $string . self::_footer();
return $final;
} // genres
/**
* songs
* This returns an xml document from an array of song ids spiffy isn't it!
*/
public static function songs($songs) {
if (count($songs) > self::$limit) {
$songs = array_slice($songs,0,self::$limit);
}
// Foreach the ids!
foreach ($songs as $song_id) {
$song = new Song($song_id);
$song->format();
$string .= "<song id=\"$song->id\">\n" .
"\t<title><![CDATA[$song->title]]></title>\n" .
"\t<artist id=\"$song->artist\"><![CDATA[$song->f_artist_full]]></artist>\n" .
"\t<album id=\"$song->album\"><![CDATA[$song->f_album_full]]></album>\n" .
"\t<genre id=\"$song->genre\"><![CDATA[$song->genre]]></genre>\n" .
"\t<track>$song->track</track>\n" .
"\t<time>$song->time</time>\n" .
"\t<url><![CDATA[" . $song->get_url($_REQUEST['auth']) . "]]></url>\n" .
"</song>\n";
} // end foreach
$final = self::_header() . $string . self::_footer();
return $final;
} // songs
/**
* _header
* this returns a standard header, there are a few types
* so we allow them to pass a type if they want to
*/
private static function _header($type='') {
switch ($type) {
case 'xspf':
break;
case 'itunes':
break;
default:
$header = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<root>\n";
break;
} // end switch
return $header;
} // _header
/**
* _footer
* this returns the footer for this document, these are pretty boring
*/
private static function _footer($type='') {
switch ($type) {
default:
$footer = "\n</root>\n";
break;
} // end switch on type
return $footer;
} // _footer
} // xmlData
?>
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