231 lines
8.5 KiB
Python
231 lines
8.5 KiB
Python
from django import forms
|
|
from django.conf import settings
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.core.exceptions import ValidationError
|
|
from django.db.models import Count, FilteredRelation, Q
|
|
from django.db.models.expressions import F, Value
|
|
from django.db.models.functions import Coalesce
|
|
from django.forms import ModelForm
|
|
from django.http import (
|
|
HttpResponseForbidden,
|
|
HttpResponseNotFound,
|
|
HttpResponseRedirect,
|
|
Http404,
|
|
)
|
|
from django.urls import reverse_lazy
|
|
from django.utils.decorators import method_decorator
|
|
from django.utils.translation import gettext as _
|
|
from django.views.generic import View
|
|
from django.views.generic.base import TemplateResponseMixin
|
|
from django.views.generic.detail import SingleObjectMixin
|
|
from reversion import revisions
|
|
from reversion.models import Revision, Version
|
|
from django_ratelimit.decorators import ratelimit
|
|
|
|
from judge.dblock import LockModel
|
|
from judge.models import Comment, Notification
|
|
from judge.widgets import HeavyPreviewPageDownWidget
|
|
from judge.jinja2.reference import get_user_from_text
|
|
from judge.models.notification import make_notification
|
|
|
|
|
|
DEFAULT_OFFSET = 10
|
|
|
|
|
|
def _get_html_link_notification(comment):
|
|
return f'<a href="{comment.get_absolute_url()}">{comment.page_title}</a>'
|
|
|
|
|
|
def add_mention_notifications(comment):
|
|
users_mentioned = get_user_from_text(comment.body).exclude(id=comment.author.id)
|
|
link = _get_html_link_notification(comment)
|
|
make_notification(users_mentioned, "Mention", link, comment.author)
|
|
|
|
|
|
class CommentForm(ModelForm):
|
|
class Meta:
|
|
model = Comment
|
|
fields = ["body", "parent"]
|
|
widgets = {
|
|
"parent": forms.HiddenInput(),
|
|
}
|
|
|
|
if HeavyPreviewPageDownWidget is not None:
|
|
widgets["body"] = HeavyPreviewPageDownWidget(
|
|
preview=reverse_lazy("comment_preview"),
|
|
preview_timeout=1000,
|
|
hide_preview_button=True,
|
|
)
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
self.request = request
|
|
super(CommentForm, self).__init__(*args, **kwargs)
|
|
self.fields["body"].widget.attrs.update({"placeholder": _("Comment body")})
|
|
|
|
def clean(self):
|
|
if self.request is not None and self.request.user.is_authenticated:
|
|
profile = self.request.profile
|
|
if profile.mute:
|
|
raise ValidationError(_("Your part is silent, little toad."))
|
|
elif (
|
|
not self.request.user.is_staff
|
|
and not profile.submission_set.filter(
|
|
points=F("problem__points")
|
|
).exists()
|
|
):
|
|
raise ValidationError(
|
|
_(
|
|
"You need to have solved at least one problem "
|
|
"before your voice can be heard."
|
|
)
|
|
)
|
|
return super(CommentForm, self).clean()
|
|
|
|
|
|
class CommentedDetailView(TemplateResponseMixin, SingleObjectMixin, View):
|
|
comment_page = None
|
|
|
|
def is_comment_locked(self):
|
|
if self.request.user.has_perm("judge.override_comment_lock"):
|
|
return False
|
|
return (
|
|
self.request.in_contest
|
|
and self.request.participation.contest.use_clarifications
|
|
)
|
|
|
|
@method_decorator(ratelimit(key="user", rate=settings.RL_COMMENT))
|
|
@method_decorator(login_required)
|
|
def post(self, request, *args, **kwargs):
|
|
self.object = self.get_object()
|
|
if self.is_comment_locked():
|
|
return HttpResponseForbidden()
|
|
|
|
parent = request.POST.get("parent")
|
|
if parent:
|
|
try:
|
|
parent = int(parent)
|
|
except ValueError:
|
|
return HttpResponseNotFound()
|
|
else:
|
|
if not self.object.comments.filter(hidden=False, id=parent).exists():
|
|
return HttpResponseNotFound()
|
|
|
|
form = CommentForm(request, request.POST)
|
|
if form.is_valid():
|
|
comment = form.save(commit=False)
|
|
comment.author = request.profile
|
|
comment.linked_object = self.object
|
|
|
|
with revisions.create_revision():
|
|
revisions.set_user(request.user)
|
|
revisions.set_comment(_("Posted comment"))
|
|
comment.save()
|
|
|
|
# add notification for reply
|
|
comment_notif_link = _get_html_link_notification(comment)
|
|
if comment.parent and comment.parent.author != comment.author:
|
|
make_notification(
|
|
[comment.parent.author], "Reply", comment_notif_link, comment.author
|
|
)
|
|
|
|
# add notification for page authors
|
|
page_authors = comment.linked_object.authors.all()
|
|
make_notification(
|
|
page_authors, "Comment", comment_notif_link, comment.author
|
|
)
|
|
|
|
add_mention_notifications(comment)
|
|
|
|
return HttpResponseRedirect(comment.get_absolute_url())
|
|
|
|
context = self.get_context_data(object=self.object, comment_form=form)
|
|
return self.render_to_response(context)
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
target_comment = None
|
|
self.object = self.get_object()
|
|
if "comment-id" in request.GET:
|
|
try:
|
|
comment_id = int(request.GET["comment-id"])
|
|
comment_obj = Comment.objects.get(id=comment_id)
|
|
except (Comment.DoesNotExist, ValueError):
|
|
raise Http404
|
|
if comment_obj.linked_object != self.object:
|
|
raise Http404
|
|
target_comment = comment_obj.get_root()
|
|
return self.render_to_response(
|
|
self.get_context_data(
|
|
object=self.object,
|
|
target_comment=target_comment,
|
|
comment_form=CommentForm(request, initial={"parent": None}),
|
|
)
|
|
)
|
|
|
|
def _get_queryset(self, target_comment):
|
|
if target_comment:
|
|
queryset = target_comment.get_descendants(include_self=True)
|
|
queryset = (
|
|
queryset.select_related("author__user")
|
|
.filter(hidden=False)
|
|
.defer("author__about")
|
|
)
|
|
else:
|
|
queryset = self.object.comments
|
|
queryset = queryset.filter(parent=None, hidden=False)
|
|
queryset = (
|
|
queryset.select_related("author__user")
|
|
.defer("author__about")
|
|
.filter(hidden=False)
|
|
.annotate(
|
|
count_replies=Count("replies", distinct=True),
|
|
)[:DEFAULT_OFFSET]
|
|
)
|
|
|
|
if self.request.user.is_authenticated:
|
|
profile = self.request.profile
|
|
queryset = queryset.annotate(
|
|
my_vote=FilteredRelation(
|
|
"votes", condition=Q(votes__voter_id=profile.id)
|
|
),
|
|
).annotate(vote_score=Coalesce(F("my_vote__score"), Value(0)))
|
|
|
|
return queryset
|
|
|
|
def get_context_data(self, target_comment=None, **kwargs):
|
|
context = super(CommentedDetailView, self).get_context_data(**kwargs)
|
|
queryset = self._get_queryset(target_comment)
|
|
comment_count = self.object.comments.filter(parent=None, hidden=False).count()
|
|
context["target_comment"] = -1
|
|
if target_comment != None:
|
|
context["target_comment"] = target_comment.id
|
|
|
|
if self.request.user.is_authenticated:
|
|
context["is_new_user"] = (
|
|
not self.request.user.is_staff
|
|
and not self.request.profile.submission_set.filter(
|
|
points=F("problem__points")
|
|
).exists()
|
|
)
|
|
|
|
context["has_comments"] = queryset.exists()
|
|
context["comment_lock"] = self.is_comment_locked()
|
|
context["comment_list"] = list(queryset)
|
|
|
|
context["vote_hide_threshold"] = settings.DMOJ_COMMENT_VOTE_HIDE_THRESHOLD
|
|
if queryset.exists():
|
|
context["comment_root_id"] = context["comment_list"][0].id
|
|
else:
|
|
context["comment_root_id"] = 0
|
|
context["comment_parent_none"] = 1
|
|
if target_comment != None:
|
|
context["offset"] = 0
|
|
context["comment_more"] = comment_count - 1
|
|
else:
|
|
context["offset"] = DEFAULT_OFFSET
|
|
context["comment_more"] = comment_count - DEFAULT_OFFSET
|
|
|
|
context["limit"] = DEFAULT_OFFSET
|
|
context["comment_count"] = comment_count
|
|
context["profile"] = self.request.profile
|
|
return context
|