def toggle_spam(request, post, **kwargs):
"""
Toggles spam status on post based on a status
"""
url = post.get_absolute_url()
# Moderators may only be suspended by admins (TODO).
if post.author.profile.is_moderator and post.spam in (Post.DEFAULT,
Post.NOT_SPAM):
messages.warning(
request, "cannot toggle spam on a post created by a moderator")
return url
# The user performing the action.
user = request.user
# Drop the cache for the post.
delete_post_cache(post)
# Current state of the toggle.
if post.is_spam:
Post.objects.filter(id=post.id).update(spam=Post.NOT_SPAM,
status=Post.OPEN)
else:
Post.objects.filter(id=post.id).update(spam=Post.SPAM,
status=Post.CLOSED)
# Refetch up to date state of the post.
post = Post.objects.filter(id=post.id).get()
# Set the state for the user (only non moderators are affected)
state = Profile.SUSPENDED if post.is_spam else Profile.NEW
# Apply the user change.
change_user_state(mod=user, target=post.author, state=state)
# Generate logging messages.
if post.is_spam:
text = f"marked post as spam"
else:
text = f"restored post from spam"
# Set indexed flag to False, so it's removed from spam index
Post.objects.filter(id=post.id).update(indexed=False)
# Set a logging message.
messages.success(request, text)
# Submit the log into the database.
auth.db_logger(user=user,
action=Log.MODERATE,
target=post.author,
text=text,
post=post)
url = post.get_absolute_url()
return url
def spam_check(uid):
from biostar.forum.models import Post, Log, delete_post_cache
from biostar.accounts.models import User, Profile
from biostar.forum.auth import db_logger
post = Post.objects.filter(uid=uid).first()
author = post.author
# Automated spam disabled in for trusted user
if author.profile.trusted or author.profile.score > 50:
return
# Classify spam only if we have not done it yet.
if post.spam != Post.DEFAULT:
return
# Drop the cache for the post.
delete_post_cache(post)
try:
from biostar.utils import spamlib
if not os.path.isfile(settings.SPAM_MODEL):
spamlib.build_model(fname=settings.SPAM_DATA,
model=settings.SPAM_MODEL)
# Classify the content.
flag = spamlib.classify_content(post.content,
model=settings.SPAM_MODEL)
# Another process may have already classified it as spam.
check = Post.objects.filter(uid=post.uid).first()
if check and check.spam == Post.SPAM:
return
## Links in title usually mean spam.
spam_words = ["http://", "https://"]
for word in spam_words:
flag = flag or (word in post.title)
if flag:
Post.objects.filter(uid=post.uid).update(spam=Post.SPAM,
status=Post.CLOSED)
# Get the first admin.
user = User.objects.filter(
is_superuser=True).order_by("pk").first()
create_messages(template="messages/spam-detected.md",
extra_context=dict(post=post),
user_ids=[post.author.id])
spam_count = Post.objects.filter(spam=Post.SPAM,
author=author).count()
db_logger(user=user,
action=Log.CLASSIFY,
target=post.author,
text=f"classified the post as spam",
post=post)
if spam_count > 1 and low_trust(post.author):
# Suspend the user
Profile.objects.filter(user=author).update(
state=Profile.SUSPENDED)
db_logger(user=user,
action=Log.MODERATE,
text=f"suspended",
target=post.author)
except Exception as exc:
print(exc)
logger.error(exc)
return False