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