Fix views & update templates

gallery/models/album.py

@@ -3,6 +3,7 @@ from math import floor
 
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.db.models import Sum
 from django.templatetags.static import static
 from django.urls import reverse
 from django.utils.text import slugify
@@ -24,8 +25,8 @@ class Album(models.Model):
 
     @property
     def photos_views(self):
-        total_views = sum(self.photos.views())
-        return total_views
+        return self.photos.aggregate(total_views=Sum('views'))['total_views'] or 0
+
 
     @property
     def cover_image_data(self):