392 lines
11 KiB
PHP
392 lines
11 KiB
PHP
<?php
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/**
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* ownCloud - media plugin
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*
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* @author Robin Appelman
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* @copyright 2010 Robin Appelman icewind1991@gmail.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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//class for managing a music collection
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class OC_MEDIA_COLLECTION{
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public static $uid;
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private static $artistIdCache=array();
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private static $albumIdCache=array();
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private static $songIdCache=array();
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private static $queries=array();
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/**
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* get the id of an artist (case-insensitive)
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* @param string name
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* @return int
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*/
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public static function getArtistId($name){
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if(empty($name)){
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return 0;
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}
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$name=strtolower($name);
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if(isset(self::$artistIdCache[$name])){
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return self::$artistIdCache[$name];
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}else{
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$query=OC_DB::prepare("SELECT artist_id FROM *PREFIX*media_artists WHERE lower(artist_name) LIKE ?");
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$artists=$query->execute(array($name))->fetchAll();
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if(is_array($artists) and isset($artists[0])){
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self::$artistIdCache[$name]=$artists[0]['artist_id'];
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return $artists[0]['artist_id'];
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}else{
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return 0;
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}
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}
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}
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/**
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* get the id of an album (case-insensitive)
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* @param string name
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* @param int artistId
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* @return int
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*/
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public static function getAlbumId($name,$artistId){
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if(empty($name)){
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return 0;
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}
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$name=strtolower($name);
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if(!isset(self::$albumIdCache[$artistId])){
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self::$albumIdCache[$artistId]=array();
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}
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if(isset(self::$albumIdCache[$artistId][$name])){
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return self::$albumIdCache[$artistId][$name];
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}else{
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$query=OC_DB::prepare("SELECT album_id FROM *PREFIX*media_albums WHERE lower(album_name) LIKE ? AND album_artist=?");
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$albums=$query->execute(array($name,$artistId))->fetchAll();
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if(is_array($albums) and isset($albums[0])){
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self::$albumIdCache[$artistId][$name]=$albums[0]['album_id'];
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return $albums[0]['album_id'];
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}else{
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return 0;
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}
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}
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}
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/**
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* get the id of an song (case-insensitive)
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* @param string name
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* @param int artistId
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* @param int albumId
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* @return int
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*/
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public static function getSongId($name,$artistId,$albumId){
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if(empty($name)){
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return 0;
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}
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$name=strtolower($name);
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if(!isset(self::$albumIdCache[$artistId])){
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self::$albumIdCache[$artistId]=array();
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}
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if(!isset(self::$albumIdCache[$artistId][$albumId])){
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self::$albumIdCache[$artistId][$albumId]=array();
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}
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if(isset(self::$albumIdCache[$artistId][$albumId][$name])){
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return self::$albumIdCache[$artistId][$albumId][$name];
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}else{
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$uid=$_SESSION['user_id'];
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$query=OC_DB::prepare("SELECT song_id FROM *PREFIX*media_songs WHERE song_user=? AND song_name LIKE ? AND song_artist=? AND song_album=?");
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$songs=$query->execute(array($uid,$name,$artistId,$albumId))->fetchAll();
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if(is_array($songs) and isset($songs[0])){
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self::$albumIdCache[$artistId][$albumId][$name]=$songs[0]['song_id'];
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return $songs[0]['song_id'];
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}else{
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return 0;
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}
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}
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}
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/**
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* Get the list of artists that (optionally) match a search string
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* @param string search optional
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* @return array the list of artists found
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*/
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static public function getArtists($search='%',$exact=false){
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$uid=self::$uid;
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if(empty($uid)){
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$uid=self::$uid=$_SESSION['user_id'];
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}
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if(!$exact and $search!='%'){
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$search="%$search%";
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}elseif($search==''){
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$search='%';
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}
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$query=OC_DB::prepare("SELECT DISTINCT artist_name, artist_id FROM *PREFIX*media_artists
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INNER JOIN *PREFIX*media_songs ON artist_id=song_artist WHERE artist_name LIKE ? AND song_user=? ORDER BY artist_name");
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$result=$query->execute(array($search,self::$uid));
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return $result->fetchAll();
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}
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/**
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* Add an artists to the database
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* @param string name
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* @return integer the artist_id of the added artist
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*/
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static public function addArtist($name){
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$name=trim($name);
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if($name==''){
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return 0;
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}
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//check if the artist is already in the database
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$artistId=self::getArtistId($name);
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if($artistId!=0){
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return $artistId;
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}else{
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$query=OC_DB::prepare("INSERT INTO `*PREFIX*media_artists` (`artist_name`) VALUES (?)");
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$result=$query->execute(array($name));
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return self::getArtistId($name);;
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}
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}
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/**
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* Get the list of albums that (optionally) match an artist and/or search string
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* @param integer artist optional
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* @param string search optional
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* @return array the list of albums found
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*/
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static public function getAlbums($artist=0,$search='%',$exact=false){
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$uid=self::$uid;
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if(empty($uid)){
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$uid=self::$uid=$_SESSION['user_id'];
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}
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$cmd="SELECT DISTINCT album_name, album_artist, album_id
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FROM *PREFIX*media_albums INNER JOIN *PREFIX*media_songs ON album_id=song_album WHERE song_user=? ";
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$params=array(self::$uid);
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if($artist!=0){
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$cmd.="AND album_artist = ? ";
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array_push($params,$artist);
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}
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if($search!='%'){
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$cmd.="AND album_name LIKE ? ";
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if(!$exact){
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$search="%$search%";
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}
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array_push($params,$search);
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}
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$cmd.=' ORDER BY album_name';
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$query=OC_DB::prepare($cmd);
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return $query->execute($params)->fetchAll();
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}
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/**
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* Add an album to the database
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* @param string name
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* @param integer artist
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* @return integer the album_id of the added artist
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*/
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static public function addAlbum($name,$artist){
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$name=trim($name);
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if($name==''){
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return 0;
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}
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//check if the album is already in the database
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$albumId=self::getAlbumId($name,$artist);
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if($albumId!=0){
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return $albumId;
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}else{
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$query=OC_DB::prepare("INSERT INTO `*PREFIX*media_albums` (`album_name` ,`album_artist`) VALUES ( ?, ?)");
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$query->execute(array($name,$artist));
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return self::getAlbumId($name,$artist);
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}
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}
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/**
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* Get the list of songs that (optionally) match an artist and/or album and/or search string
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* @param integer artist optional
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* @param integer album optional
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* @param string search optional
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* @return array the list of songs found
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*/
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static public function getSongs($artist=0,$album=0,$search='',$exact=false){
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$uid=self::$uid;
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if(empty($uid)){
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$uid=self::$uid=$_SESSION['user_id'];
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}
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$params=array($uid);
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if($artist!=0){
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$artistString="AND song_artist = ?";
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array_push($params,$artist);
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}else{
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$artistString='';
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}
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if($album!=0){
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$albumString="AND song_album = ?";
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array_push($params,$album);
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}else{
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$albumString='';
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}
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if($search){
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if(!$exact){
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$search="%$search%";
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}
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$searchString ="AND song_name LIKE ?";
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array_push($params,$search);
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}else{
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$searchString='';
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}
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$query=OC_DB::prepare("SELECT * FROM *PREFIX*media_songs WHERE song_user=? $artistString $albumString $searchString ORDER BY song_track, song_name, song_path");
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return $query->execute($params)->fetchAll();
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}
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/**
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* Add an song to the database
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* @param string name
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* @param string path
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* @param integer artist
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* @param integer album
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* @return integer the song_id of the added artist
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*/
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static public function addSong($name,$path,$artist,$album,$length,$track,$size){
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$name=trim($name);
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$path=trim($path);
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if($name=='' or $path==''){
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return 0;
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}
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$uid=OC_User::getUser();
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//check if the song is already in the database
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$songId=self::getSongId($name,$artist,$album);
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if($songId!=0){
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$songInfo=self::getSong($songId);
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self::moveSong($songInfo['song_path'],$path);
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return $songId;
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}else{
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if(!isset(self::$queries['addsong'])){
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$query=OC_DB::prepare("INSERT INTO `*PREFIX*media_songs` (`song_name` ,`song_artist` ,`song_album` ,`song_path` ,`song_user`,`song_length`,`song_track`,`song_size`,`song_playcount`,`song_lastplayed`)
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VALUES (?, ?, ?, ?,?,?,?,?,0,0)");
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self::$queries['addsong']=$query;
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}else{
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$query=self::$queries['addsong'];
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}
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$query->execute(array($name,$artist,$album,$path,$uid,$length,$track,$size));
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$songId=OC_DB::insertid('*PREFIX*media_songs');
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// self::setLastUpdated();
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return self::getSongId($name,$artist,$album);
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}
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}
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public static function getSongCount(){
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$query=OC_DB::prepare("SELECT COUNT(song_id) AS count FROM *PREFIX*media_songs");
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$result=$query->execute()->fetchAll();
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return $result[0]['count'];
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}
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public static function getArtistCount(){
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$query=OC_DB::prepare("SELECT COUNT(artist_id) AS count FROM *PREFIX*media_artists");
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$result=$query->execute()->fetchAll();
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return $result[0]['count'];
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}
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public static function getAlbumCount(){
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$query=OC_DB::prepare("SELECT COUNT(album_id) AS count FROM *PREFIX*media_albums");
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$result=$query->execute()->fetchAll();
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return $result[0]['count'];
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}
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public static function getArtistName($artistId){
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$query=OC_DB::prepare("SELECT artist_name FROM *PREFIX*media_artists WHERE artist_id=?");
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$artist=$query->execute(array($artistId))->fetchAll();
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if(count($artist)>0){
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return $artist[0]['artist_name'];
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}else{
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return '';
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}
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}
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public static function getAlbumName($albumId){
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$query=OC_DB::prepare("SELECT album_name FROM *PREFIX*media_albums WHERE album_id=?");
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$album=$query->execute(array($albumId))->fetchAll();
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if(count($album)>0){
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return $album[0]['album_name'];
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}else{
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return '';
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}
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}
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public static function getSong($id){
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$query=OC_DB::prepare("SELECT * FROM *PREFIX*media_songs WHERE song_id=?");
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$song=$query->execute(array($id))->fetchAll();
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if(count($song)>0){
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return $song[0];
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}else{
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return '';
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}
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}
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/**
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* get the number of songs in a directory
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* @param string $path
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*/
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public static function getSongCountByPath($path){
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$query=OC_DB::prepare("SELECT COUNT(song_id) AS count FROM *PREFIX*media_songs WHERE song_path LIKE ?");
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$result=$query->execute(array("$path%"))->fetchAll();
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return $result[0]['count'];
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}
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/**
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* remove a song from the database by path
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* @param string $path the path of the song
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*
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* if a path of a folder is passed, all songs stored in the folder will be removed from the database
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*/
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public static function deleteSongByPath($path){
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$query=OC_DB::prepare("DELETE FROM *PREFIX*media_songs WHERE song_path LIKE ?");
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$query->execute(array("$path%"));
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}
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/**
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* increase the play count of a song
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* @param int songId
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*/
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public static function registerPlay($songId){
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$now=time();
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$query=OC_DB::prepare('UPDATE *PREFIX*media_songs SET song_playcount=song_playcount+1, song_lastplayed=? WHERE song_id=? AND song_lastplayed<?');
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$query->execute(array($now,$songId,$now-60));
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}
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/**
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* get the id of the song by path
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* @param string $path
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* @return int
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*/
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public static function getSongByPath($path){
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$query=OC_DB::prepare("SELECT song_id FROM *PREFIX*media_songs WHERE song_path = ?");
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$result=$query->execute(array($path));
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if($row=$result->fetchRow()){
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return $row['song_id'];
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}else{
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return 0;
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}
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}
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/**
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* set the path of a song
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* @param string $oldPath
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* @param string $newPath
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*/
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public static function moveSong($oldPath,$newPath){
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$query=OC_DB::prepare("UPDATE *PREFIX*media_songs SET song_path = ? WHERE song_path = ?");
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$query->execute(array($newPath,$oldPath));
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}
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}
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?>
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