Merge pull request #1006 from bookwyrm-social/queryset-performance

Queryset performance

bookwyrm/templates/user/followers.html

@@ -29,4 +29,6 @@
     <div>{% blocktrans with username=user.display_name %}{{ username }} has no followers{% endblocktrans %}</div>
     {% endif %}
 </div>
+
+{% include 'snippets/pagination.html' with page=followers path=request.path %}
 {% endblock %}

bookwyrm/templates/user/following.html

@@ -29,4 +29,6 @@
     <div>{% blocktrans with username=user|username %}{{ username }} isn't following any users{% endblocktrans %}</div>
     {% endif %}
 </div>
+
+{% include 'snippets/pagination.html' with page=following path=request.path %}
 {% endblock %}

bookwyrm/views/notifications.py

@@ -16,7 +16,7 @@ class Notifications(View):
         notifications = request.user.notification_set.all().order_by("-created_date")
         unread = [n.id for n in notifications.filter(read=False)]
         data = {
-            "notifications": notifications,
+            "notifications": notifications[:50],
             "unread": unread,
         }
         notifications.update(read=True)

bookwyrm/views/user.py

@@ -106,10 +106,11 @@ class Followers(View):
         if is_api_request(request):
             return ActivitypubResponse(user.to_followers_activity(**request.GET))
 
+        paginated = Paginator(user.followers.all(), PAGE_LENGTH)
         data = {
             "user": user,
             "is_self": request.user.id == user.id,
-            "followers": user.followers.all(),
+            "followers": paginated.page(request.GET.get("page", 1)),
         }
         return TemplateResponse(request, "user/followers.html", data)
 
@@ -131,10 +132,11 @@ class Following(View):
         if is_api_request(request):
             return ActivitypubResponse(user.to_following_activity(**request.GET))
 
+        paginated = Paginator(user.followers.all(), PAGE_LENGTH)
         data = {
             "user": user,
             "is_self": request.user.id == user.id,
-            "following": user.following.all(),
+            "following": paginated.page(request.GET.get("page", 1)),
         }
         return TemplateResponse(request, "user/following.html", data)