[favorites] Add ability to favorite and add to Mopidy

vrobbler/apps/scrobbles/views.py

@@ -75,6 +75,7 @@ from scrobbles.models import (
     AudioScrobblerTSVImport,
     BGStatsImport,
     EBirdCSVImport,
+    FavoriteMedia,
     KoReaderImport,
     LastFmImport,
     RetroarchImport,
@@ -1033,6 +1034,58 @@ def add_to_mopidy_queue(request, uuid):
     return redirect("scrobbles:detail", uuid=uuid)
 
 
+@require_POST
+def toggle_favorite(request, media_type, object_id):
+    if not request.user.is_authenticated:
+        return HttpResponseRedirect(request.META.get("HTTP_REFERER", "/"))
+
+    app_model_map = {
+        "Video": ("videos", "Video"),
+        "Channel": ("videos", "Channel"),
+        "Track": ("music", "Track"),
+        "PodcastEpisode": ("podcasts", "PodcastEpisode"),
+        "SportEvent": ("sports", "SportEvent"),
+        "Book": ("books", "Book"),
+        "Paper": ("books", "Paper"),
+        "VideoGame": ("videogames", "VideoGame"),
+        "BoardGame": ("boardgames", "BoardGame"),
+        "GeoLocation": ("locations", "GeoLocation"),
+        "Beer": ("beers", "Beer"),
+        "Puzzle": ("puzzles", "Puzzle"),
+        "Food": ("foods", "Food"),
+        "Trail": ("trails", "Trail"),
+        "Task": ("tasks", "Task"),
+        "WebPage": ("webpages", "WebPage"),
+        "LifeEvent": ("lifeevents", "LifeEvent"),
+        "Mood": ("moods", "Mood"),
+        "BrickSet": ("bricksets", "BrickSet"),
+        "BirdingLocation": ("birds", "BirdingLocation"),
+    }
+
+    app_label, model_name = app_model_map.get(media_type, (None, None))
+    if not app_label:
+        messages.add_message(
+            request, messages.ERROR, f"Unknown media type: {media_type}"
+        )
+        return HttpResponseRedirect(request.META.get("HTTP_REFERER", "/"))
+
+    model = apps.get_model(app_label, model_name)
+    media_obj = get_object_or_404(model, id=object_id)
+    result = FavoriteMedia.toggle(media_obj, request.user)
+
+    is_favorited = result is not None
+    if not is_favorited:
+        msg = f'Removed "{media_obj}" from favorites.'
+    else:
+        msg = f'Added "{media_obj}" to favorites.'
+
+    if request.headers.get("x-requested-with") == "XMLHttpRequest":
+        return JsonResponse({"is_favorited": is_favorited, "message": msg})
+
+    messages.add_message(request, messages.SUCCESS, msg)
+    return HttpResponseRedirect(request.META.get("HTTP_REFERER", "/"))
+
+
 @api_view(["GET"])
 @permission_classes([IsAuthenticated])
 def export(request):
@@ -1183,6 +1236,13 @@ class ScrobbleDetailView(DetailView):
         except EmptyPage:
             context["related_scrobbles"] = paginator.page(paginator.num_pages)
 
+        if self.request.user.is_authenticated:
+            fk_field = self.MEDIA_FK_MAP.get(media_type)
+            if fk_field and media_obj:
+                context["is_favorited"] = FavoriteMedia.objects.filter(
+                    user=self.request.user, **{fk_field: media_obj}
+                ).exists()
+
         return context