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															@@ -141,6 +141,23 @@ module.exports = { 
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															 		}); 
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															 		}); 
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															 	}, 
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															 	}, 
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															+	updatePlaylistId: (session, oldId, newId, cb) => { 
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															+		db.models.playlist.findOne({ _id: oldId }).exec((err, doc) => { 
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															+			if (err) throw err; 
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															+			doc._id = newId; 
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															+			let newPlaylist = new db.models.playlist(doc); 
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															+			newPlaylist.isNew = true; 
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															+			newPlaylist.save(err => { 
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															+				if (err) console.error(err); 
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															+			}); 
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															+			db.models.playlist.remove({ _id: oldId }); 
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															+			cache.hdel('playlists', oldId, () => { 
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															+				cache.hset('playlists', newId, doc); 
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															+				return cb({ status: 'success', data: doc }); 
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															+			}); 
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															+		}); 
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															+	}, 
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															+ 
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															 	promoteSong: (session, playlistId, fromIndex, cb) => { 
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															 	promoteSong: (session, playlistId, fromIndex, cb) => { 
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															 		db.models.playlist.findOne({ _id: playlistId }, (err, playlist) => { 
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															 		db.models.playlist.findOne({ _id: playlistId }, (err, playlist) => { 
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															 			if (err) throw err; 
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															 			if (err) throw err; 
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															@@ -184,9 +201,9 @@ module.exports = { 
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															 	remove: (session, _id, cb) => { 
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															 	remove: (session, _id, cb) => { 
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															 		db.models.playlist.remove({ _id }).exec(err => { 
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															 		db.models.playlist.remove({ _id }).exec(err => { 
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															 			if (err) throw err; 
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															 			if (err) throw err; 
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															-		}); 
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															-		cache.hdel('playlists', _id, () => { 
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															-			return cb({ status: 'success', message: 'Playlist successfully removed' }); 
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															+			cache.hdel('playlists', _id, () => { 
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															+				return cb({ status: 'success', message: 'Playlist successfully removed' }); 
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															+			}); 
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															 		}); 
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															 		}); 
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															 	} 
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															 	} 
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