[server] minor refactors

server/app/api/__init__.py

@@ -13,7 +13,7 @@ from app.lib import folderslib
 from app.lib import playlistlib
 
 
-DB_TRACKS = instances.songs_instance.get_all_songs()
+PRE_TRACKS = instances.songs_instance.get_all_songs()
 VALID_FOLDERS: Set[str] = set()
 
 ALBUMS: List[models.Album] = []

server/app/api/album.py

@@ -21,7 +21,7 @@ def get_albums():
     """returns all the albums"""
     albums = []
 
-    for song in api.DB_TRACKS:
+    for song in api.PRE_TRACKS:
         al_obj = {"name": song["album"], "artist": song["artists"]}
 
         if al_obj not in albums: