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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.
*/
/**
* metadata class
* This class is a abstraction layer for getting
* meta data for any object in Ampache, this includes
* album art, lyrics, id3tags, recommendations etc
* it makes use of Object::construct_from_array() as needed
*/
class metadata {
/**
* constructor
* We don't use this, as its really a static class
*/
private function __construct() {
// Rien a faire
} // constructor
/**
* recommend_similar
* This takes the input and returns an array of objects construct_from_array()'d
*/
public static function recommend_similar($type,$id,$limit='') {
// For now it's only mystrands
OpenStrands::set_auth_token(Config::get('mystrands_developer_key'));
$openstrands = new OpenStrands($GLOBALS['user']->prefs['mystrands_user'],$GLOBALS['user']->prefs['mystrands_pass']);
// Make sure auth worked
if (!$openstrands) { return false; }
switch ($type) {
case 'artist':
$artist = new Artist($id);
$seed = array('name'=>array($artist->name));
$results = $openstrands->recommend_artists($seed,$limit);
break;
}
$objects = array();
foreach ($results as $item) {
switch ($type) {
case 'artist':
$data['name'] = $item['ArtistName'];
$data['uid'] = $item['__attributes']['ArtistID'];
$data['mystrands_url'] = $item['URI'];
$data['links'] = "<a target=\"_blank\" href=\"" . $item['URI'] . "\">" . get_user_icon('world_link','MyStrands Link') . "</a>";
// Do a search for this artist in our instance
$artist_id = Catalog::check_artist($data['name'],1);
if ($artist_id) {
$artist = new Artist($artist_id);
$artist->format();
$data['links'] .= "<a href=\"$artist->f_link\">" . get_user_icon('ampache','Ampache') . "</a>";
}
$objects[] = Artist::construct_from_array($data);
break;
} // end switch on type
} // end foreach
return $objects;
} // recommend_similar
/**
* find_missing_tracks
* This returns an array of song objects using the construct_from_array() that are
* not in the specified album.
*/
public static function find_missing_tracks($album_id) {
// Build our object
$album = new Album($album_id);
$album->format();
$objects = array();
// For now it's only mystrands
OpenStrands::set_auth_token(Config::get('mystrands_developer_key'));
$openstrands = new OpenStrands($GLOBALS['user']->prefs['mystrands_user'],$GLOBALS['user']->prefs['mystrands_pass']);
if (!$openstrands) { return false; }
// Setup the string we're going to pass
if ($album->artist_count == '1') { $artist_name = $album->artist_name; }
else { $artist_name = "Various"; }
$data[] = array('artist'=>$artist_name,'album'=>$album->full_name);
// First find the album on mystrands
$result = $openstrands->match_albums($data);
if (!$result) { return false; }
$mystrands_id = $result['0']['__attributes']['AlbumId'];
if (!$mystrands_id) { return false; }
$tracks = $openstrands->lookup_album_tracks($mystrands_id,Openstrands::$alias);
$object = array();
// Recurse the data we've found and check the local album
foreach ($tracks as $track) {
if (!$album->has_track($track['TrackName'])) {
$data['title'] = $track['TrackName'];
$data['track'] = $track['TrackNumber'];
$data['disc'] = $track['DiscNumber'];
$data['artist'] = $track['ArtistName'];
$data['links'] = "<a target=\"_blank\" href=\"" . $track['URI'] . "\">" . get_user_icon('world_link','MyStrands') . "</a>";
// If we've got a purchase URL
if ($track['UserPurchaseURI']) {
$data['links'] .= "<a target=\"_blank\" href=\"" . $track['UserPurchaseURI'] . "\">" . get_user_icon('money',_('Buy Track from MyStrands')) . "</a>";
}
$objects[] = Album::construct_from_array($data);
}
} // end foreach
return $objects;
} // find_missing_tracks
} // metadata
?>
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