Current File : //data/www_bck/varak.net_bck/gnufm.varak.net/utils/linkeddata.php
<?php
/* GNU FM -- a free network service for sharing your music listening habits
Copyright (C) 2009 Free Software Foundation, Inc
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Generates linked data URIs for various concepts including scrobble events,
* artists, albums and tracks. General technique is to create a dbtune.org
* URI if we have the appropriate MusicBrainz ID. Otherwise, create a URI
* based on the scrobble time if known. Lastly, create one based on the libre.fm
* artist page.
*/
require_once($install_path . 'data/Server.php');
function identifierScrobbleEvent ($username, $artist, $track, $album, $time, $mbid = null, $ambid = null, $lmbid = null) {
if (!($username && $artist && $track && $time)) {
return null;
}
$microhash = substr(md5($artist . '//' . $track), 0, 4);
return sprintf('%s#%s.%s', Server::getUserURL($username), rawurlencode($time), rawurlencode($microhash));
}
function identifierArtist ($username, $artist, $track, $album, $time, $mbid = null, $ambid = null, $lmbid = null) {
if (!empty($ambid)) {
return sprintf('http://dbtune.org/musicbrainz/resource/artist/%s', strtolower($ambid));
}
$u = identifierScrobbleEvent($username, $artist, $track, $album, $time, $mbid, $ambid, $lmbid) . '.artist';
if ($u != '.artist') {
return $u;
}
return sprintf('%s#artist', Server::getArtistURL($artist));
}
function identifierAlbum ($username, $artist, $track, $album, $time, $mbid = null, $ambid = null, $lmbid = null) {
if (!empty($lmbid)) {
return sprintf('http://dbtune.org/musicbrainz/resource/record/%s', strtolower($lmbid));
}
$u = identifierScrobbleEvent($username, $artist, $track, $album, $time, $mbid, $ambid, $lmbid) . '.album';
if ($u != '.album') {
return $u;
}
return sprintf('%s#album', Server::getAlbumURL($artist, $album));
}
function identifierTrack ($username, $artist, $track, $album, $time, $mbid = null, $ambid = null, $lmbid = null) {
if (!empty($mbid)) {
return sprintf('http://dbtune.org/musicbrainz/resource/track/%s', strtolower($mbid));
}
$u = identifierScrobbleEvent($username, $artist, $track, $album, $time, $mbid, $ambid, $lmbid) . '.track';
if ($u != '.track') {
return $u;
}
return sprintf('%s#track', Server::getTrackURL($artist, $album, $track));
}
Mini Shell