Refactor group music management: update removal logic and enhance user feedback in group views

game/views.py

@@ -131,13 +131,32 @@ class GroupAddMemberView(OwnerFilterMixin, SingleObjectMixin, View):
         return redirect(group)
 
 
-class GroupRemoveMusicView(OwnerFilterMixin, SingleObjectMixin, View):
-    model = models.MusicVideo
+class GroupRemoveMusicView(MemberFilterMixin, SingleObjectMixin, View):
+    model = models.Group
 
-    def get(self, request, pk):
-        music = self.get_object()
-        group = music.group
-        music.delete()
+    def post(self, request, pk):
+        group = self.get_object()
+        musics = group.musicvideo_set.filter(
+            owner=request.user, pk__in=request.POST.getlist("musics")
+        )
+
+        if musics.count() == 0:
+            messages.add_message(request, messages.INFO, "Aucune musique supprimée.")
+            return redirect(group)
+        if musics.count() != len(request.POST.getlist("musics")):
+            messages.add_message(
+                request,
+                messages.WARNING,
+                "Certaines musiques n'ont pas pu être supprimées.",
+            )
+            musics.delete()
+        else:
+            musics.delete()
+            messages.add_message(
+                request,
+                messages.SUCCESS,
+                "Les musiques sélectionnées ont été supprimées.",
+            )
         return redirect(group)