Implemented sorting by track title, artist name etc...

(Sorting order is not getting saved.)

wobuzz/player/playlist.py

@@ -22,7 +22,15 @@ class Playlist:
         # no other playlist can be created using the same name
         self.app.utils.unique_names.append(self.title)
 
-        self.sorting: list[Qt.SortOrder] | None = None  # Custom sort order if None
+        # the number is the index of the header section,
+        # the bool is the sorting order (True = ascending, False = descending)
+        self.sorting: list[tuple[int, bool]] = [
+            (0, True),
+            (1, True),
+            (2, True),
+            (3, True),
+            (4, True)
+        ]
         self.tracks: list[Track] = []
         self.current_track_index = 0
         self.current_track: Track | None = None
@@ -127,6 +135,30 @@ class Playlist:
 
     def load_from_wbz(self, path):
         self.load_from_m3u(path)  # placeholder
+        
+    def sync(self, view, user_sort: bool=False):
+        num_tracks = view.topLevelItemCount()
+
+        i = 0
+
+        while i < num_tracks:
+            track_item = view.topLevelItem(i)
+            track = track_item.track
+
+            track_item.index = i
+            
+            if user_sort:
+                track_item.index_user_sort = i
+
+            self.tracks[i] = track
+
+            track.set_occurrences()
+
+            i += 1
+
+        # make sure the next track is cached (could be moved by user)
+        if self.app.player.current_playlist == self and self.has_tracks():
+            self.app.player.cache_next_track()
 
     def has_tracks(self):
         return len(self.tracks) > 0
@@ -169,7 +201,12 @@ class Playlist:
         return self.current_track.sound, self.current_track.duration
 
     def save(self):
-        wbz_data = ""
+
+        first_view = list(self.views.values())[0]
+        first_view.sortItems(4, Qt.SortOrder.AscendingOrder)
+        self.sync(first_view)
+
+        wbz_data = "#WOBUZZM3U\n"
 
         for track in self.tracks:
             wbz_data += f"{track.path}\n"