Make **a lot** of Forum improvements in reducing the number of queries per page

This commit is contained in:
Skia
2017-05-20 12:47:48 +02:00
parent d7135e4d27
commit 97a39b0652
5 changed files with 170 additions and 38 deletions

View File

@ -41,7 +41,7 @@ from core.views import CanViewMixin, CanEditMixin, CanEditPropMixin, CanCreateMi
from forum.models import Forum, ForumMessage, ForumTopic, ForumMessageMeta
class ForumMainView(ListView):
queryset = Forum.objects.filter(parent=None)
queryset = Forum.objects.filter(parent=None).select_related("_last_message__author", "_last_message__topic___title")
template_name = "forum/main.jinja"
class ForumMarkAllAsRead(RedirectView):
@ -53,6 +53,8 @@ class ForumMarkAllAsRead(RedirectView):
fi = request.user.forum_infos
fi.last_read_date = timezone.now()
fi.save()
for m in request.user.read_messages.filter(date__lt=fi.last_read_date):
m.readers.remove(request.user) # Clean up to keep table low in data
except: pass
return super(ForumMarkAllAsRead, self).get(request, *args, **kwargs)
@ -62,9 +64,11 @@ class ForumLastUnread(ListView):
paginate_by = settings.SITH_FORUM_PAGE_LENGTH / 2
def get_queryset(self):
l = ForumMessage.objects.exclude(readers=self.request.user).filter(
date__gt=self.request.user.forum_infos.last_read_date).values_list('topic') # TODO try to do better
return self.model.objects.filter(id__in=l).annotate(models.Max('messages__date')).order_by('-messages__date__max').select_related('author')
topic_list = self.model.objects.filter(_last_message__date__gt=self.request.user.forum_infos.last_read_date)\
.exclude(_last_message__readers=self.request.user)\
.order_by('-_last_message__date')\
.select_related('_last_message__author__avatar_pict')
return topic_list
class ForumForm(forms.ModelForm):
class Meta:
@ -185,6 +189,15 @@ class ForumTopicDetailView(CanViewMixin, DetailView):
kwargs["msgs"] = paginator.page(paginator.num_pages)
return kwargs
class ForumMessageView(SingleObjectMixin, RedirectView):
model = ForumMessage
pk_url_kwarg = "message_id"
permanent = False
def get_redirect_url(self, *args, **kwargs):
self.object = self.get_object()
return self.object.get_url()
class ForumMessageEditView(CanEditMixin, UpdateView):
model = ForumMessage
fields = ['title', 'message']