def get(self, request, *args, **kwargs):
post = self.get_obj()
post = post_permissions(request, post)
if not post.is_editable:
messages.warning(request, "You may not moderate this post")
return HttpResponseRedirect(post.root.get_absolute_url())
form = self.form_class(pk=post.id)
context = dict(form=form, post=post)
return render(request, self.template_name, context)
def get_object(self):
user = self.request.user
obj = super(PostDetails, self).get_object()
# Update the post views.
Post.update_post_views(obj, request=self.request)
# Adds the permissions
obj = post_permissions(request=self.request, post=obj)
# This will be piggybacked on the main object.
obj.sub = Subscription.get_sub(post=obj, user=user)
# Bail out if not at top level.
if not obj.is_toplevel:
return obj
# Populate the object to build a tree that contains all posts in the thread.
# Answers sorted before comments.
thread = [post_permissions(request=self.request, post=post) for post in Post.objects.get_thread(obj, user)]
tree = OrderedDict()
for post in thread:
if post.type == Post.COMMENT:
tree.setdefault(post.parent_id, []).append(post)
store = {Vote.UP: set(), Vote.BOOKMARK: set()}
if user.is_authenticated():
pids = [p.id for p in thread]
votes = Vote.objects.filter(post_id__in=pids, author=user).values_list("post_id", "type")
for post_id, vote_type in votes:
store.setdefault(vote_type, set()).add(post_id)
# Shortcuts to each storage.
bookmarks = store[Vote.BOOKMARK]
upvotes = store[Vote.UP]
# Can the current user accept answers
can_accept = obj.author == user
def decorate(post):
post.has_bookmark = post.id in bookmarks
post.has_upvote = post.id in upvotes
post.can_accept = can_accept or post.has_accepted
# Add attributes by mutating the objects
map(decorate, thread + [obj])
# decorate answers
# TODO: develop a more elegant solution to check the has_bookmark, has_upvote and can_accept
# attributes
answers_decorated = list(obj.answers)
map(decorate, answers_decorated)
obj.answers_decorated = answers_decorated
# Additional attributes used during rendering
obj.tree = tree
return obj
def post(self, request, *args, **kwargs):
user = request.user
post = self.get_obj()
post = post_permissions(request, post)
# The default return url
response = HttpResponseRedirect(post.root.get_absolute_url())
if not post.is_editable:
messages.warning(request, "You may not moderate this post")
return response
# Initialize the form class.
form = self.form_class(request.POST, pk=post.id)
# Bail out on errors.
if not form.is_valid():
messages.error(request, "%s" % form.errors)
return response
# A shortcut to the clean form data.
get = form.cleaned_data.get
# These will be used in updates, will bypasses signals.
query = Post.objects.filter(pk=post.id)
root = Post.objects.filter(pk=post.root_id)
action = get('action')
if action == OPEN and not user.is_moderator:
messages.error(request, "Only a moderator may open a post")
return response
if action == MOVE_TO_ANSWER and post.type == Post.COMMENT:
# This is a valid action only for comments.
messages.success(request, "Moved post to answer")
query.update(type=Post.ANSWER, parent=post.root)
root.update(reply_count=F("reply_count") + 1)
return response
if action == MOVE_TO_COMMENT and post.type == Post.ANSWER:
# This is a valid action only for answers.
messages.success(request, "Moved post to answer")
query.update(type=Post.COMMENT, parent=post.root)
root.update(reply_count=F("reply_count") - 1)
return response
# Some actions are valid on top level posts only.
if action in (CLOSE_OFFTOPIC, DUPLICATE) and not post.is_toplevel:
messages.warning(request, "You can only close or open a top level post")
return response
if action == OPEN:
query.update(status=Post.OPEN)
messages.success(request, "Opened post: %s" % post.title)
return response
if action in CLOSE_OFFTOPIC:
query.update(status=Post.CLOSED)
messages.success(request, "Closed post: %s" % post.title)
content = html.render(name="messages/offtopic_posts.html", user=post.author, comment=get("comment"), post=post)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == CROSSPOST:
content = html.render(name="messages/crossposted.html", user=post.author, comment=get("comment"), post=post)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == DUPLICATE:
query.update(status=Post.CLOSED)
posts = Post.objects.filter(id__in=get("dupe"))
content = html.render(name="messages/duplicate_posts.html", user=post.author, comment=get("comment"), posts=posts)
comment = Post(content=content, type=Post.COMMENT, parent=post, author=user)
comment.save()
return response
if action == DELETE:
# Delete marks a post deleted but does not remove it.
# Remove means to delete the post from the database with no trace.
# Posts with children or older than some value can only be deleted not removed
# The children of a post.
children = Post.objects.filter(parent_id=post.id).exclude(pk=post.id)
# The condition where post can only be deleted.
delete_only = children or post.age_in_days > 7 or post.vote_count > 1 or (post.author != user)
if delete_only:
# Deleted posts can be undeleted by re-opening them.
query.update(status=Post.DELETED)
messages.success(request, "Deleted post: %s" % post.title)
response = HttpResponseRedirect(post.root.get_absolute_url())
else:
# This will remove the post. Redirect depends on the level of the post.
url = "/" if post.is_toplevel else post.parent.get_absolute_url()
post.delete()
messages.success(request, "Removed post: %s" % post.title)
response = HttpResponseRedirect(url)
# Recompute post reply count
post.update_reply_count()
return response
# By this time all actions should have been performed
messages.warning(request, "That seems to be an invalid action for that post. \
It is probably ok! Actions may be shown even when not valid.")
return response