Sith/forum/views.py

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#
# Copyright 2016,2017,2018
# - Skia <skia@libskia.so>
# - Sli <antoine@bartuccio.fr>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
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import logging
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import math
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from functools import partial
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from ajax_select import make_ajax_field
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from django import forms
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from django.conf import settings
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.core.exceptions import PermissionDenied
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from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
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from django.db import IntegrityError
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from django.shortcuts import get_object_or_404
from django.urls import reverse_lazy
from django.utils import html, timezone
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from django.utils.decorators import method_decorator
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from django.utils.translation import gettext_lazy as _
from django.views.generic import DetailView, ListView, RedirectView
from django.views.generic.detail import SingleObjectMixin
from django.views.generic.edit import CreateView, DeleteView, UpdateView
from haystack.query import RelatedSearchQuerySet
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from honeypot.decorators import check_honeypot
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from core.views import (
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CanCreateMixin,
CanEditMixin,
CanEditPropMixin,
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CanViewMixin,
can_view,
)
from core.views.forms import MarkdownInput
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from forum.models import Forum, ForumMessage, ForumMessageMeta, ForumTopic
class ForumSearchView(ListView):
template_name = "forum/search.jinja"
def get_queryset(self):
query = self.request.GET.get("query", "")
order_by = self.request.GET.get("order", "")
try:
queryset = (
RelatedSearchQuerySet()
.models(ForumMessage)
.autocomplete(auto=html.escape(query))
)
except TypeError:
return []
if order_by == "date":
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queryset = queryset.order_by("-date")
queryset = queryset.load_all()
queryset = queryset.load_all_queryset(
ForumMessage,
ForumMessage.objects.all()
.prefetch_related("topic__forum__edit_groups")
.prefetch_related("topic__forum__view_groups")
.prefetch_related("topic__forum__owner_club"),
)
# Filter unauthorized responses
resp = []
count = 0
max_count = 30
for r in queryset:
if count >= max_count:
return resp
if can_view(r.object, self.request.user) and can_view(
r.object.topic, self.request.user
):
resp.append(r.object)
count += 1
return resp
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class ForumMainView(ListView):
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queryset = Forum.objects.filter(parent=None).prefetch_related(
"children___last_message__author", "children___last_message__topic"
)
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template_name = "forum/main.jinja"
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class ForumMarkAllAsRead(RedirectView):
permanent = False
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url = reverse_lazy("forum:last_unread")
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def get(self, request, *args, **kwargs):
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fi = request.user.forum_infos
fi.last_read_date = timezone.now()
fi.save()
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try:
for m in request.user.read_messages.filter(date__lt=fi.last_read_date):
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m.readers.remove(request.user) # Clean up to keep table low in data
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except IntegrityError:
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pass
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return super().get(request, *args, **kwargs)
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class ForumFavoriteTopics(ListView):
model = ForumTopic
template_name = "forum/favorite_topics.jinja"
paginate_by = settings.SITH_FORUM_PAGE_LENGTH / 2
def get_queryset(self):
topic_list = self.request.user.favorite_topics.all()
return topic_list
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class ForumLastUnread(ListView):
model = ForumTopic
template_name = "forum/last_unread.jinja"
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paginate_by = settings.SITH_FORUM_PAGE_LENGTH / 2
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def get_queryset(self):
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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", "author")
.prefetch_related("forum__edit_groups")
)
return topic_list
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class ForumNameField(forms.ModelChoiceField):
def label_from_instance(self, obj):
return obj.get_full_name()
class ForumForm(forms.ModelForm):
class Meta:
model = Forum
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fields = [
"name",
"parent",
"number",
"owner_club",
"is_category",
"edit_groups",
"view_groups",
]
edit_groups = make_ajax_field(Forum, "edit_groups", "groups", help_text="")
view_groups = make_ajax_field(Forum, "view_groups", "groups", help_text="")
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parent = ForumNameField(Forum.objects.all())
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class ForumCreateView(CanCreateMixin, CreateView):
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model = Forum
form_class = ForumForm
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template_name = "core/create.jinja"
def get_initial(self):
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init = super().get_initial()
parent = Forum.objects.filter(id=self.request.GET["parent"]).first()
if parent is not None:
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init["parent"] = parent
init["owner_club"] = parent.owner_club
init["edit_groups"] = parent.edit_groups.all()
init["view_groups"] = parent.view_groups.all()
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return init
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class ForumEditForm(ForumForm):
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recursive = forms.BooleanField(
label=_("Apply rights and club owner recursively"), required=False
)
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class ForumEditView(CanEditPropMixin, UpdateView):
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model = Forum
pk_url_kwarg = "forum_id"
form_class = ForumEditForm
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template_name = "core/edit.jinja"
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success_url = reverse_lazy("forum:main")
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def form_valid(self, form):
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ret = super().form_valid(form)
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if form.cleaned_data["recursive"]:
self.object.apply_rights_recursively()
return ret
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class ForumDeleteView(CanEditPropMixin, DeleteView):
model = Forum
pk_url_kwarg = "forum_id"
template_name = "core/delete_confirm.jinja"
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success_url = reverse_lazy("forum:main")
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class ForumDetailView(CanViewMixin, DetailView):
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model = Forum
template_name = "forum/forum.jinja"
pk_url_kwarg = "forum_id"
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def get_context_data(self, **kwargs):
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kwargs = super().get_context_data(**kwargs)
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qs = (
self.object.topics.order_by("-_last_message__date")
.select_related("_last_message__author", "author")
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.prefetch_related("forum__edit_groups")
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)
paginator = Paginator(qs, settings.SITH_FORUM_PAGE_LENGTH)
page = self.request.GET.get("topic_page")
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try:
kwargs["topics"] = paginator.page(page)
except PageNotAnInteger:
kwargs["topics"] = paginator.page(1)
except EmptyPage:
kwargs["topics"] = paginator.page(paginator.num_pages)
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return kwargs
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class TopicForm(forms.ModelForm):
class Meta:
model = ForumMessage
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fields = ["title", "message"]
widgets = {"message": MarkdownInput}
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title = forms.CharField(required=True, label=_("Title"))
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@method_decorator(
partial(check_honeypot, field_name=settings.HONEYPOT_FIELD_NAME_FORUM), name="post"
)
class ForumTopicCreateView(CanCreateMixin, CreateView):
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model = ForumMessage
form_class = TopicForm
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template_name = "forum/reply.jinja"
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def dispatch(self, request, *args, **kwargs):
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self.forum = get_object_or_404(
Forum, id=self.kwargs["forum_id"], is_category=False
)
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if not request.user.can_view(self.forum):
raise PermissionDenied
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return super().dispatch(request, *args, **kwargs)
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def form_valid(self, form):
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topic = ForumTopic(
_title=form.instance.title, author=self.request.user, forum=self.forum
)
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topic.save()
form.instance.topic = topic
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form.instance.author = self.request.user
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return super().form_valid(form)
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class ForumTopicEditView(CanEditMixin, UpdateView):
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model = ForumTopic
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fields = ["forum"]
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pk_url_kwarg = "topic_id"
template_name = "core/edit.jinja"
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class ForumTopicSubscribeView(
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LoginRequiredMixin, CanViewMixin, SingleObjectMixin, RedirectView
):
model = ForumTopic
pk_url_kwarg = "topic_id"
permanent = False
def get(self, request, *args, **kwargs):
self.object = self.get_object()
if self.object.subscribed_users.filter(id=request.user.id).exists():
self.object.subscribed_users.remove(request.user)
else:
self.object.subscribed_users.add(request.user)
return super().get(request, *args, **kwargs)
def get_redirect_url(self, *args, **kwargs):
return self.object.get_absolute_url()
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class ForumTopicDetailView(CanViewMixin, DetailView):
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model = ForumTopic
pk_url_kwarg = "topic_id"
template_name = "forum/topic.jinja"
context_object_name = "topic"
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queryset = ForumTopic.objects.select_related("forum__parent")
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def get_context_data(self, **kwargs):
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kwargs = super().get_context_data(**kwargs)
msg = self.object.get_first_unread_message(self.request.user)
if msg is None:
kwargs["first_unread_message_id"] = math.inf
else:
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kwargs["first_unread_message_id"] = msg.id
paginator = Paginator(
self.object.messages.select_related("author__avatar_pict")
.prefetch_related("topic__forum__edit_groups", "readers")
.order_by("date"),
settings.SITH_FORUM_PAGE_LENGTH,
)
page = self.request.GET.get("page")
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try:
kwargs["msgs"] = paginator.page(page)
except PageNotAnInteger:
kwargs["msgs"] = paginator.page(1)
except EmptyPage:
kwargs["msgs"] = paginator.page(paginator.num_pages)
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return kwargs
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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()
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@method_decorator(
partial(check_honeypot, field_name=settings.HONEYPOT_FIELD_NAME_FORUM), name="post"
)
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class ForumMessageEditView(CanEditMixin, UpdateView):
model = ForumMessage
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form_class = forms.modelform_factory(
model=ForumMessage,
fields=["title", "message"],
widgets={"message": MarkdownInput},
)
template_name = "forum/reply.jinja"
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pk_url_kwarg = "message_id"
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def form_valid(self, form):
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ForumMessageMeta(
message=self.object, user=self.request.user, action="EDIT"
).save()
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return super().form_valid(form)
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def get_context_data(self, **kwargs):
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kwargs = super().get_context_data(**kwargs)
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kwargs["topic"] = self.object.topic
return kwargs
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class ForumMessageDeleteView(SingleObjectMixin, RedirectView):
model = ForumMessage
pk_url_kwarg = "message_id"
permanent = False
def get_redirect_url(self, *args, **kwargs):
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self.object = self.get_object()
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if self.object.can_be_moderated_by(self.request.user):
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ForumMessageMeta(
message=self.object, user=self.request.user, action="DELETE"
).save()
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return self.object.get_absolute_url()
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class ForumMessageUndeleteView(SingleObjectMixin, RedirectView):
model = ForumMessage
pk_url_kwarg = "message_id"
permanent = False
def get_redirect_url(self, *args, **kwargs):
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self.object = self.get_object()
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if self.object.can_be_moderated_by(self.request.user):
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ForumMessageMeta(
message=self.object, user=self.request.user, action="UNDELETE"
).save()
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return self.object.get_absolute_url()
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@method_decorator(
partial(check_honeypot, field_name=settings.HONEYPOT_FIELD_NAME_FORUM), name="post"
)
class ForumMessageCreateView(CanCreateMixin, CreateView):
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model = ForumMessage
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form_class = forms.modelform_factory(
model=ForumMessage,
fields=["title", "message"],
widgets={"message": MarkdownInput},
)
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template_name = "forum/reply.jinja"
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def dispatch(self, request, *args, **kwargs):
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self.topic = get_object_or_404(ForumTopic, id=self.kwargs["topic_id"])
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if not request.user.can_view(self.topic):
raise PermissionDenied
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return super().dispatch(request, *args, **kwargs)
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def get_initial(self):
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init = super().get_initial()
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try:
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message = (
ForumMessage.objects.select_related("author")
.filter(id=self.request.GET["quote_id"])
.first()
)
init["message"] = "> ##### %s\n" % (
_("%(author)s said") % {"author": message.author.get_short_name()}
)
init["message"] += "\n".join(
["> " + line for line in message.message.split("\n")]
)
init["message"] += "\n\n"
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except Exception as e:
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logging.error(e)
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return init
def form_valid(self, form):
form.instance.topic = self.topic
form.instance.author = self.request.user
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return super().form_valid(form)
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def get_context_data(self, **kwargs):
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kwargs = super().get_context_data(**kwargs)
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kwargs["topic"] = self.topic
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return kwargs