add get_song_by_title_artist

backend/src/song.py

@@ -43,6 +43,20 @@ def get_song_by_mbid(mbid: str) -> Song | None:
     return song
 
 
+def get_song_by_title_artist(title: str, artist: str) -> Song | None:
+    conn = get_connection()
+    cursor = conn.cursor()
+    cursor.execute("SELECT * FROM songs WHERE title = ? AND artist = ?", (title, artist))
+    row = cursor.fetchone()
+    conn.close()
+
+    if row is None:
+        return None
+
+    song = Song(mbid=row["mbid"], title=row["title"], artist=row["artist"], tags=row["tags"].split(","), image_id=row["lastfm_image_id"], youtube_id=row["youtube_id"])
+    return song
+
+
 def add_song(song: Song):
     conn = get_connection()
     cursor = conn.cursor()