Split views & remove converters

gallery/views/photo.py

@@ -0,0 +1,126 @@
+from django.conf import settings
+from django.core.cache import cache
+from django.core.paginator import Paginator
+from django.db.models import Count, F, Q, Sum
+from django.http import JsonResponse
+from django.shortcuts import get_object_or_404, redirect
+from django.urls import reverse
+from django.views import View
+from django.views.generic import DetailView, ListView, TemplateView
+
+from ..models import Album, Photo, Redir
+
+
+class PhotosList(ListView):
+    """Shows all public photos sorted by user-selected ordering."""
+    model = Photo
+    paginate_by = 30
+
+    def get_queryset(self):
+        ordering_options = {
+            'latest': '-taken_at',
+            'liked': 'likes',
+            'popular': '-views',
+            'favorite': '-is_favorite'
+        }
+        order = ordering_options.get(self.request.GET.get('order', 'latest'), '-taken_at')
+        return Photo.objects.filter(album__is_public=True).order_by(order).select_related('album')
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['order'] = self.request.GET.get('order', 'latest')
+        context['canonical_url'] = self.request.build_absolute_uri(reverse('gallery:photos_url'))
+        return context
+
+
+class PhotoDetail(DetailView):
+    """Shows a single photo and handles liking functionality."""
+    model = Photo
+    slug_url_kwarg = 'photo_slug'
+    template_name = 'gallery/photo_detail.html'
+
+    def get_object(self, queryset=None):
+        album_slug = self.kwargs.get('album_slug')
+        photo_slug = self.kwargs.get('photo_slug')
+        photo = get_object_or_404(Photo.objects.select_related('album'), slug=photo_slug, album__slug=album_slug)
+
+        if photo.slug not in self.request.session:
+            photo.add_view()
+            self.request.session[photo.slug] = 0
+
+        return photo
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context.update({
+            "next": self.object.get_next(),
+            "prev": self.object.get_prev(),
+            "canonical_url": self.request.build_absolute_uri(self.object.get_absolute_url()),
+            "liked": self.request.session.get(f"liked_{self.object.slug}", False)
+        })
+        return context
+
+
+class PhotoLike(View):
+    """Ajax like photo button."""
+
+    def get(self, request, *args, **kwargs):
+        return JsonResponse({'error': 'This endpoint only supports POST requests.'}, status=405)
+
+    def post(self, request, album_slug, photo_slug):
+        photo = get_object_or_404(Photo.objects.select_related('album'), slug=photo_slug, album__slug=album_slug)
+        session_key = f"liked_{photo.slug}"
+        liked = request.session.get(session_key, False)
+
+        if not liked:
+            photo.likes += 1
+            if request.user.is_authenticated:
+                photo.is_favorite = True
+            request.session[session_key] = True
+            status = "liked"
+        else:
+            photo.likes = max(0, photo.likes - 1)
+            if request.user.is_authenticated:
+                photo.is_favorite = False
+            request.session[session_key] = False
+            status = "unliked"
+
+        photo.save()
+        return JsonResponse({'success': True, 'likes': photo.likes, 'status': status})
+
+
+class PhotoSlideshow(DetailView):
+    """Slideshow."""
+    model = Photo
+    slug_url_kwarg = 'photo_slug'
+    template_name = 'gallery/photo_slideshow.html'
+
+    def get_object(self, queryset=None):
+        album_slug = self.kwargs.get('album_slug')
+        photo_slug = self.kwargs.get('photo_slug')
+        photo = get_object_or_404(
+            Photo.objects.select_related('album'),
+            slug=photo_slug,
+            album__slug=album_slug
+        )
+
+        if photo.slug not in self.request.session:
+            photo.add_view()
+            self.request.session[photo.slug] = 0
+
+        return photo
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        current_photo = self.object
+
+        next_photo = current_photo.get_next()
+
+        if not next_photo:
+            next_photo = Photo.objects.filter(album=current_photo.album).order_by('taken_at').first()
+
+        context.update({
+            "next_photo": next_photo,
+            "liked": self.request.session.get(f"liked_{current_photo.slug}", False)
+        })
+        return context