Implemented base scrobble functions

maloja/database.py

@@ -703,7 +703,7 @@ DB['scrobbles'] = sql.Table(
 	sql.Column('rawscrobble',sql.String),
 	sql.Column('origin',sql.String),
 	sql.Column('duration',sql.Integer),
-	sql.Column('track_id',sql.Integer)
+	sql.Column('track_id',sql.Integer,sql.ForeignKey('tracks.id'))
 )
 DB['tracks'] = sql.Table(
 	'tracks', meta,
@@ -720,8 +720,8 @@ DB['artists'] = sql.Table(
 DB['trackartists'] = sql.Table(
 	'trackartists', meta,
 	sql.Column('id',sql.Integer,primary_key=True),
-	sql.Column('artist_id',sql.Integer),
-	sql.Column('track_id',sql.Integer)
+	sql.Column('artist_id',sql.Integer,sql.ForeignKey('artists.id')),
+	sql.Column('track_id',sql.Integer,sql.ForeignKey('tracks.id'))
 )
 
 meta.create_all(engine)
@@ -792,10 +792,22 @@ def get_track_id(trackdict):
 		).where(
 			DB['tracks'].c.title_normalized==ntitle
 		)
-		result = conn.execute(op)
-		for row in result:
+		result = conn.execute(op).all()
+	for row in result:
+		# check if the artists are the same
+		foundtrackartists = []
+		with engine.begin() as conn:
+			op = DB['trackartists'].select(
+				DB['trackartists'].c.artist_id
+			).where(
+				DB['trackartists'].c.track_id==row[0]
+			)
+			result = conn.execute(op).all()
+		match_artist_ids = [r.artist_id for r in result]
+		print("required artists",artist_ids,"this match",match_artist_ids)
+		if set(artist_ids) == set(match_artist_ids):
 			print("ID for",trackdict['title'],"was",row[0])
-			return row[0]
+			return row.id
 
 	with engine.begin() as conn:
 		op = DB['tracks'].insert().values(
@@ -803,8 +815,16 @@ def get_track_id(trackdict):
 			title_normalized=ntitle
 		)
 		result = conn.execute(op)
-		print("Created",trackdict['title'],result.inserted_primary_key)
-		return result.inserted_primary_key[0]
+		track_id = result.inserted_primary_key[0]
+	with engine.begin() as conn:
+		for artist_id in artist_ids:
+			op = DB['trackartists'].insert().values(
+				track_id=track_id,
+				artist_id=artist_id
+			)
+			result = conn.execute(op)
+		print("Created",trackdict['title'],track_id)
+		return track_id
 
 def get_artist_id(artistname):
 	nname = normalize_name(artistname)
@@ -816,10 +836,10 @@ def get_artist_id(artistname):
 		).where(
 			DB['artists'].c.name_normalized==nname
 		)
-		result = conn.execute(op)
-		for row in result:
-			print("ID for",artistname,"was",row[0])
-			return row[0]
+		result = conn.execute(op).all()
+	for row in result:
+		print("ID for",artistname,"was",row[0])
+		return row.id
 
 	with engine.begin() as conn:
 		op = DB['artists'].insert().values(