1
0
Fork 0
mirror of https://github.com/Yetangitu/ampache synced 2025-10-03 17:59:21 +02:00
ampache/lib/class/xmldata.class.php
2008-03-20 07:52:51 +00:00

341 lines
8.1 KiB
PHP

<?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 {
// This is added so that we don't pop any webservers
private static $limit = '5000';
private static $offset = '0';
/**
* constructor
* We don't use this, as its really a static class
*/
private function __construct() {
// Rien a faire
} // constructor
/**
* set_offset
* This takes an int and changes the offset
*/
public static function set_offset($offset) {
$offset = intval($offset);
self::$offset = $offset;
} // set_offset
/**
* set_limit
* This sets the limit for any ampache transactions
*/
public static function set_limit($limit) {
if (!$limit) { return false; }
$limit = intval($limit);
self::$limit = $limit;
} // set_limit
/**
* error
* This generates a standard XML Error message
* nothing fancy here...
*/
public static function error($code,$string) {
$string = self::_header() . "\t<error code=\"$code\"><![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 $final;
} // single_string
/**
* keyed_array
* This will build an xml document from a key'd array,
*/
public static function keyed_array($array,$callback='') {
$string = '';
// Foreach it
foreach ($array as $key=>$value) {
// If it's an array, run again
if (is_array($value)) {
$value = self::keyed_array($value,1);
$string .= "\t<$key>$value</$key>\n";
}
else {
$string .= "\t<$key><![CDATA[$value]]></$key>\n";
}
} // end foreach
if (!$callback) {
$string = self::_header() . $string . self::_footer();
}
return $string;
} // keyed_array
/**
* artists
* This takes an array of artists and then returns a pretty xml document with the information
* we want
*/
public static function artists($artists) {
if (count($artists) > self::$limit) {
$artists = array_splice($artists,self::$offset,self::$limit);
}
$string = '';
foreach ($artists as $artist_id) {
$artist = new Artist($artist_id);
$artist->format();
$string .= "<artist id=\"$artist->id\">\n" .
"\t<name><![CDATA[$artist->f_full_name]]></name>\n" .
"\t<albums>$artist->albums</albums>\n" .
"\t<songs>$artist->songs</songs>\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,self::$offset,self::$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_id\"><![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,self::$offset,self::$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 $final;
} // genres
/**
* playlists
* This takes an array of playlist ids and then returns a nice pretty XML document
*/
public static function playlists($playlists) {
if (count($playlists) > self::$limit) {
$playlists = array_slice($playlists,self::$offset,self::$limit);
}
$string = '';
// Foreach the playlist ids
foreach ($playlists as $playlist_id) {
$playlist = new Playlist($playlist_id);
$playlist->format();
$item_total = $playlist->get_song_count();
// Build this element
$string .= "<playlist id=\"$playlist->id\">\n" .
"\t<name><![CDATA[$playlist->name]]></name>\n" .
"\t<owner><![CDATA[$playlist->f_user]]</owner>\n" .
"\t<items>$item_total</items>\n" .
"\t<type>$playlist->type</type>\n" .
"</playlist>\n";
} // end foreach
// Build the final and then send her off
$final = self::_header() . $string . self::_footer();
return $final;
} // playlists
/**
* songs
* This returns an xml document from an array of song ids spiffy isn't it!
*/
public static function songs($songs) {
if (count($songs) > self::$limit) {
$songs = array_slice($songs,self::$offset,self::$limit);
}
// Foreach the ids!
foreach ($songs as $song_id) {
$song = new Song($song_id);
$song->format();
$art_url = Config::get('web_path') . '/image.php?id=' . $song->album . '&auth=' . scrub_out($_REQUEST['auth']);
$string .= "<song id=\"$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" .
"\t<size>$song->size</size>\n" .
"\t<art><![CDATA[" . $art_url . "]]></art>\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
?>