Revert "Revert "Change comment style (#67)" (#68)"

This reverts commit 0494a36681.

dmoj/settings.py

@@ -219,6 +219,7 @@ else:
     }
 
 INSTALLED_APPS += (
+    "debug_toolbar",
     "django.contrib.admin",
     "judge",
     "django.contrib.auth",
@@ -248,6 +249,7 @@ INSTALLED_APPS += (
 )
 
 MIDDLEWARE = (
+    "debug_toolbar.middleware.DebugToolbarMiddleware",
     "judge.middleware.SlowRequestMiddleware",
     "judge.middleware.ShortCircuitMiddleware",
     "django.contrib.sessions.middleware.SessionMiddleware",
@@ -421,7 +423,12 @@ STATICFILES_DIRS = [
 STATIC_URL = "/static/"
 
 # Define a cache
-CACHES = {}
+CACHES = {
+    "default": {
+        "BACKEND": "django.core.cache.backends.memcached.PyMemcacheCache",
+        "LOCATION": "127.0.0.1:11211",
+    }
+}
 
 # Authentication
 AUTHENTICATION_BACKENDS = (
@@ -481,3 +488,9 @@ except IOError:
     pass
 
 DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
+
+INTERNAL_IPS = [
+    # ...
+    "127.0.0.1",
+    # ...
+]

dmoj/urls.py

@@ -1,5 +1,6 @@
 import chat_box.views as chat
 
+from django.urls import include, path
 from django.conf import settings
 from django.conf.urls import include, url
 from django.contrib import admin
@@ -206,6 +207,7 @@ def paged_list_view(view, name, **kwargs):
 
 
 urlpatterns = [
+    path('__debug__/', include('debug_toolbar.urls')),
     url("", include("pagedown.urls")),
     url(
         r"^$",
@@ -468,6 +470,8 @@ urlpatterns = [
     url(r"^comments/upvote/$", comment.upvote_comment, name="comment_upvote"),
     url(r"^comments/downvote/$", comment.downvote_comment, name="comment_downvote"),
     url(r"^comments/hide/$", comment.comment_hide, name="comment_hide"),
+    url(r"^comments/get_replies/$", comment.get_replies, name="comment_get_replies"),
+    url(r"^comments/show_more/$", comment.get_show_more, name="comment_show_more"),
     url(
         r"^comments/(?P<id>\d+)/",
         include(

judge/comments.py

@@ -11,6 +11,7 @@ from django.http import (
     HttpResponseForbidden,
     HttpResponseNotFound,
     HttpResponseRedirect,
+    Http404,
 )
 from django.urls import reverse_lazy
 from django.utils.decorators import method_decorator
@@ -151,40 +152,92 @@ class CommentedDetailView(TemplateResponseMixin, SingleObjectMixin, View):
         return self.render_to_response(context)
 
     def get(self, request, *args, **kwargs):
+        pre_query = None
+        if "comment-id" in  request.GET:
+            comment_id = int(request.GET["comment-id"])
+            try:
+                comment_obj = Comment.objects.get(pk=comment_id)
+            except Comment.DoesNotExist:
+                raise Http404
+            pre_query = comment_obj
+            while comment_obj is not None:
+                pre_query = comment_obj
+                comment_obj = comment_obj.parent                        
         self.object = self.get_object()
         return self.render_to_response(
             self.get_context_data(
                 object=self.object,
+                pre_query=pre_query,
                 comment_form=CommentForm(request, initial={"parent": None}),
             )
         )
 
-    def get_context_data(self, **kwargs):
+    def get_context_data(self, pre_query=None, **kwargs):
         context = super(CommentedDetailView, self).get_context_data(**kwargs)
         queryset = self.object.comments
-        context["has_comments"] = queryset.exists()
-        context["comment_lock"] = self.is_comment_locked()
-        queryset = (
-            queryset.select_related("author__user")
+        queryset = queryset.filter(parent=None, hidden=False)
+        queryset_all = None
+        comment_count = len(queryset)
+        context["comment_remove"] = -1
+        if (pre_query != None):
+            comment_remove = pre_query.id
+            queryset_all = pre_query.get_descendants(include_self=True)
+            queryset_all = (
+                queryset_all.select_related("author__user")
                 .filter(hidden=False)
                 .defer("author__about")
-            .annotate(revisions=Count("versions"))
+                .annotate(revisions=Count("versions", distinct=True))
+            )
+            context["comment_remove"] = comment_remove
+        else:
+            queryset = (
+                queryset.select_related("author__user")
+                .defer("author__about")
+                .filter(hidden=False)
+                .annotate(
+                    count_replies=Count("replies", distinct=True), 
+                    revisions=Count("versions", distinct=True),
+                )[:10]
             )
             
         if self.request.user.is_authenticated:
             profile = self.request.profile
+            if (pre_query != None):
+                queryset_all = queryset_all.annotate(
+                    my_vote=FilteredRelation(
+                        "votes", condition=Q(votes__voter_id=profile.id)
+                    ),
+                ).annotate(vote_score=Coalesce(F("my_vote__score"), Value(0)))
+            else:
                 queryset = queryset.annotate(
                     my_vote=FilteredRelation(
                         "votes", condition=Q(votes__voter_id=profile.id)
                     ),
                 ).annotate(vote_score=Coalesce(F("my_vote__score"), Value(0)))
+            
             context["is_new_user"] = (
                 not self.request.user.is_staff
                 and not profile.submission_set.filter(
                     points=F("problem__points")
                 ).exists()
             )
+        
+        context["has_comments"] = queryset.exists()
+        context["comment_lock"] = self.is_comment_locked()
         context["comment_list"] = queryset
-        context["comment_count"] = len(queryset)
+        context["comment_all_list"] = queryset_all
+
         context["vote_hide_threshold"] = settings.DMOJ_COMMENT_VOTE_HIDE_THRESHOLD
+        if queryset.exists():
+            context["comment_root_id"] = queryset[0].id
+        else: 
+            context["comment_root_id"] = 0
+        context["comment_parrent_none"] = 1
+        if (pre_query != None):
+            context["offset"] = 1
+        else:
+            context["offset"] = 10
+        
+        context["limit"] = 10
+        context["comment_count"] = comment_count
         return context