old_contents: import json
  
  from django.core.cache import cache
  from django.http import HttpResponse
  from django.views.generic.base import View
  from django.views.generic.list import ListView
  from django.utils.decorators import method_decorator
  
  from django.contrib.auth.decorators import login_required
  
  from favorites.models import Favorite
  from packages.models import Package
  
  
  class ToggleFavorite(View):
  
      @method_decorator(login_required)
      def dispatch(self, *args, **kwargs):
          return super(UserFavorites, self).dispatch(*args, **kwargs)
  
      def render_json(self, **data):
          return HttpResponse(json.dumps(data), mimetype="application/json")
  
      def post(self, request, *args, **kwargs):
          try:
              package = Package.objects.get(name=kwargs.get("package"))
          except Package.DoesNotExist:
              return self.render_json(package=kwargs.get("package"), success=False, message="Package does not exist")
  
          fav = Favorite.objects.filter(package=package, user=request.user)
  
          if fav:
              fav.delete()
              return self.render_json(package=package.name, success=True, action="unfavorite")
          else:
              Favorite.objects.create(package=package, user=request.user)
              return self.render_json(package=package.name, success=True, action="favorite")
  
  
  class UserFavorites(ListView):
  
      queryset = Favorite.objects.all().select_related("package")
      template_name = "favorites/favorite_list.html"
  
      @method_decorator(login_required)
      def dispatch(self, *args, **kwargs):
          return super(UserFavorites, self).dispatch(*args, **kwargs)
  
      def get_queryset(self):
          cached = cache.get("crate:favorites:user(%s):queryset" % self.request.user.pk)
  
          if cached:
              return cached
  
          qs = super(UserFavorites, self).get_queryset()
          qs = qs.filter(user=self.request.user)
  
          qs = sorted(qs, key=lambda x: x.package.latest.created, reverse=True)
  
          cache.set("crate:favorites:user(%s):queryset" % self.request.user.pk, qs, 60 * 60)
  
          return qs
  
new_contents: import json
  
  from django.core.cache import cache
  from django.http import HttpResponse
  from django.views.generic.base import View
  from django.views.generic.list import ListView
  from django.utils.decorators import method_decorator
  
  from django.contrib.auth.decorators import login_required
  
  from favorites.models import Favorite
  from packages.models import Package
  
  
  class ToggleFavorite(View):
  
      @method_decorator(login_required)
      def dispatch(self, *args, **kwargs):
          return super(ToggleFavorite, self).dispatch(*args, **kwargs)
  
      def render_json(self, **data):
          return HttpResponse(json.dumps(data), mimetype="application/json")
  
      def post(self, request, *args, **kwargs):
          try:
              package = Package.objects.get(name=kwargs.get("package"))
          except Package.DoesNotExist:
              return self.render_json(package=kwargs.get("package"), success=False, message="Package does not exist")
  
          fav = Favorite.objects.filter(package=package, user=request.user)
  
          if fav:
              fav.delete()
              return self.render_json(package=package.name, success=True, action="unfavorite")
          else:
              Favorite.objects.create(package=package, user=request.user)
              return self.render_json(package=package.name, success=True, action="favorite")
  
  
  class UserFavorites(ListView):
  
      queryset = Favorite.objects.all().select_related("package")
      template_name = "favorites/favorite_list.html"
  
      @method_decorator(login_required)
      def dispatch(self, *args, **kwargs):
          return super(UserFavorites, self).dispatch(*args, **kwargs)
  
      def get_queryset(self):
          cached = cache.get("crate:favorites:user(%s):queryset" % self.request.user.pk)
  
          if cached:
              return cached
  
          qs = super(UserFavorites, self).get_queryset()
          qs = qs.filter(user=self.request.user)
  
          qs = sorted(qs, key=lambda x: x.package.latest.created, reverse=True)
  
          cache.set("crate:favorites:user(%s):queryset" % self.request.user.pk, qs, 60 * 60)
  
          return qs
  
subject: fix the name of the class in the super() call