fix: case insensitive sorting on sort_tracks

app/lib/sortlib.py

@@ -1,6 +1,6 @@
 from itertools import groupby
 import os
-from pprint import pprint
+from typing import Callable
 from app.lib.albumslib import sort_by_track_no
 from app.models.folder import Folder
 from app.models.track import Track
@@ -14,25 +14,24 @@ def sort_tracks(tracks: list[Track], key: str, reverse: bool = False):
     if key == "default":
         return tracks
 
-    sortfunc = lambda x: getattr(x, key)
-
+    sortfunc: Callable[[Track], str] = lambda track: getattr(track, key)
     if key == "artists" or key == "albumartists":
-        sortfunc = lambda x: getattr(x, key)[0]["name"]
+        sortfunc = lambda track: getattr(track, key)[0]["name"]
 
     if key == "disc":
         # INFO: Group tracks into albums, then sort them by disc number.
-        tracks = sorted(tracks, key=lambda x: x.album)
+        tracks = sorted(tracks, key=lambda x: x.album.casefold())
         groups = groupby(tracks, lambda x: x.albumhash)
 
         return flatten([sort_by_track_no(list(g)) for k, g in groups])
 
     # INFO: sort tracks by title for a fallback value
-    tracks = sorted(tracks, key=lambda t: t.title)
+    tracks = sorted(tracks, key=lambda t: t.title.casefold())
 
     if key == "title" and not reverse:
         return tracks
 
-    return sorted(tracks, key=sortfunc, reverse=reverse)
+    return sorted(tracks, key=lambda track: sortfunc(track).casefold(), reverse=reverse)
 
 
 def sort_folders(folders: list[Folder], key: str, reverse: bool = False):
@@ -42,9 +41,9 @@ def sort_folders(folders: list[Folder], key: str, reverse: bool = False):
     if key == "default":
         return folders
 
-    sortfunc = lambda x: getattr(x, key)
+    sortfunc: Callable[[Folder], str | float] = lambda folder: getattr(folder, key)
 
     if key == "lastmod":
-        sortfunc = lambda x: os.path.getmtime(x.path)
+        sortfunc = lambda folder: os.path.getmtime(folder.path)
 
     return sorted(folders, key=sortfunc, reverse=reverse)