add methods to open lyric files

+ add api endpoints to check and get lyrics

app/api/lyrics.py

@@ -1,6 +1,6 @@
 from flask import Blueprint, request
 
-from app.lib.lyrics import get_lyrics
+from app.lib.lyrics import get_lyrics, check_lyrics_file, get_lyrics_from_duplicates
 
 api = Blueprint("lyrics", __name__, url_prefix="")
 
@@ -13,13 +13,33 @@ def send_lyrics():
     data = request.get_json()
 
     filepath = data.get("filepath", None)
+    trackhash = data.get("trackhash", None)
 
-    if filepath is None:
-        return {"error": "No filepath provided"}, 400
+    if filepath is None or trackhash is None:
+        return {"error": "No filepath or trackhash provided"}, 400
 
     lyrics = get_lyrics(filepath)
 
+    if lyrics is None:
+        lyrics = get_lyrics_from_duplicates(trackhash, filepath)
+
     if lyrics is None:
         return {"error": "No lyrics found"}, 204
 
     return {"lyrics": lyrics}, 200
+
+
+@api.route("/lyrics/check", methods=["POST"])
+def check_lyrics():
+    data = request.get_json()
+
+    filepath = data.get("filepath", None)
+    trackhash = data.get("trackhash", None)
+
+    if filepath is None or trackhash is None:
+        return {"error": "No filepath or trackhash provided"}, 400
+
+    exists, filepath = check_lyrics_file(filepath, trackhash)
+
+    if exists:
+        return {"filepath": filepath}, 200