Caches é SQL optimisations

photologue/views.py

@@ -20,10 +20,16 @@ from django.views.generic.dates import ArchiveIndexView, YearArchiveView
 from django.views.generic.detail import DetailView
 from django.views.generic.edit import DeleteView, FormView
 from PIL import Image
+from django.contrib.auth import get_user_model
+
+
 
 from .forms import UploadForm
 from .models import Gallery, Photo, Tag
 
+# Cette ligne renvoie le modèle d'utilisateur actif (le natif ou le vôtre)
+User = get_user_model()
+
 
 class GalleryDateView(LoginRequiredMixin):
     model = Gallery
@@ -135,11 +141,11 @@ class GalleryDetailView(LoginRequiredMixin, DetailView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
 
-        # Non-staff members only see public photos
+        # Non-staff members only see public photos + prefetch all owners informations (Optimisation)
         if self.request.user.is_staff:
-            context["photos"] = self.object.photos.all()
+            context["photos"] = self.object.photos.all().select_related('owner')
         else:
-            context["photos"] = self.object.photos.filter(is_public=True)
+            context["photos"] = self.object.photos.filter(is_public=True).select_related('onwer')
 
         # List owners
         context["owners"] = []
@@ -147,6 +153,8 @@ class GalleryDetailView(LoginRequiredMixin, DetailView):
             if photo.owner not in context["owners"]:
                 context["owners"].append(photo.owner)
 
+
+
         # Filter on owner
         if "owner" in self.kwargs:
             context["photos"] = context["photos"].filter(owner__id=self.kwargs["owner"])