Add can_resolve_censorship permission and uncensor feature

- Add custom permission to Photo model
- Add PhotoUncensorView POST endpoint to restore private photos
- Show private photos to users with can_resolve_censorship
- Add restore button in lightgallery toolbar for censored photos

photologue/views.py

@@ -121,6 +121,17 @@ class PhotoReportView(DetailView):
         return redirect(url)
 
 
+class PhotoUncensorView(LoginRequiredMixin, View):
+    def post(self, request, pk):
+        if not request.user.has_perm("photologue.can_resolve_censorship"):
+            from django.core.exceptions import PermissionDenied
+            raise PermissionDenied
+        photo = get_object_or_404(Photo, pk=pk)
+        photo.is_public = True
+        photo.save()
+        return JsonResponse({"ok": True})
+
+
 class TagDetail(LoginRequiredMixin, DetailView):
     model = Tag
 
@@ -146,8 +157,11 @@ class GalleryDetailView(LoginRequiredMixin, DetailView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
 
+        can_resolve = self.request.user.has_perm("photologue.can_resolve_censorship")
+        context["can_resolve_censorship"] = can_resolve
+
         # Non-staff members only see public photos + prefetch all owners informations (Optimisation)
-        if self.request.user.is_staff:
+        if self.request.user.is_staff or can_resolve:
             context["photos"] = self.object.photos.all().select_related("owner")
         else:
             context["photos"] = self.object.photos.filter(