def check_comments_enabled_for_post_with_id(user, post_id):
Post = get_post_model()
post = Post.objects.select_related('community').get(id=post_id)
if post.community_id is not None:
if not user.is_staff_of_community_with_name(
post.community.name) and not post.comments_enabled:
raise ValidationError(_('Comments are disabled for this post'))
def handle(self, *args, **options):
Post = get_post_model()
PostMedia = get_post_media_model()
logger.info(Post.objects.filter(media__isnull=False).count())
posts_to_migrate = Post.objects.filter(Q(media__isnull=False) & Q(media_thumbnail__isnull=True))
migrated_posts = 0
for post in posts_to_migrate.iterator():
with transaction.atomic():
try:
post_first_media = post.get_first_media()
if post_first_media.type == PostMedia.MEDIA_TYPE_IMAGE:
post.media_width = post_first_media.content_object.width
post.media_height = post_first_media.content_object.height
post.media_thumbnail = post_first_media.content_object.image.file
elif post_first_media.type == PostMedia.MEDIA_TYPE_VIDEO:
post.media_width = post_first_media.content_object.width
post.media_height = post_first_media.content_object.height
post.media_thumbnail = post_first_media.content_object.thumbnail.file
post.save()
except FileNotFoundError as e:
print('Ignoring post due to image not found')
logger.info(post.media_width)
logger.info(post.media_height)
logger.info(post.media_thumbnail)
migrated_posts = migrated_posts + 1
logger.info('Created media_* for %d posts' % migrated_posts)
def check_can_moderate_moderated_object(user, moderated_object):
content_object = moderated_object.content_object
is_global_moderator = user.is_global_moderator()
if is_global_moderator:
return
PostComment = get_post_comment_model()
Post = get_post_model()
if isinstance(content_object, Post):
if content_object.community:
if not user.is_staff_of_community_with_name(
community_name=content_object.community.name):
raise ValidationError(
_('Only community staff can moderate community posts'))
else:
raise ValidationError(
_('Only global moderators can moderate non-community posts'))
elif isinstance(content_object, PostComment):
if content_object.post.community:
if not user.is_staff_of_community_with_name(
community_name=content_object.post.community.name):
raise ValidationError(
_('Only community staff can moderate community post comments'
))
else:
raise ValidationError(
_('Only global moderators can moderate non-community post comments'
))
else:
raise ValidationError(
_('Non global moderators can only moderate posts and post comments.'
))
def check_can_open_post_with_id(user, post_id):
Post = get_post_model()
post = Post.objects.select_related('community').get(id=post_id)
if post.community_id is None:
raise ValidationError(_('Only community posts can be opened/closed'))
if not user.is_staff_of_community_with_name(post.community.name):
raise ValidationError(
_('Only administrators/moderators can open this post'))
def check_can_translate_post_with_id(user, post_id):
Post = get_post_model()
post = Post.objects.get(id=post_id)
if post.is_encircled_post():
raise ValidationError(_('Only public posts can be translated'))
if post.text is None:
raise ValidationError(_('Post has no text to be translated'))
if post.language is None:
raise ValidationError(
_('Post has no assigned language to be able to translate'))
if user.translation_language is None:
raise ValidationError(
_('User\'s preferred translation language not set'))
def assign_language_posts(self):
Post = get_post_model()
posts = Post.objects.filter(text__isnull=False)
for post in posts:
try:
language = get_language_for_text(post.text)
except LangDetectException as e:
print('Caught exception while detecting language, skipping')
if language:
post.language = language
post.save()
else:
print('Could not detect language for id', post.id)
def handle(self, *args, **options):
Post = get_post_model()
posts_to_migrate = Post.objects.filter(image__isnull=True, media__isnull=False)
migrated_posts = 0
for post in posts_to_migrate.iterator():
with transaction.atomic():
post_image = post.get_first_media().content_object
if isinstance(post_image, PostImage):
post_image.post = post
post_image.save()
logger.info('Fixed migrated post with id:' + str(post.pk))
migrated_posts = migrated_posts + 1
logger.info('Fixed migrated %d posts' % migrated_posts)
def flush_draft_posts():
"""
This job should be scheduled to get all pending draft posts for a day and remove them
"""
Post = get_post_model()
draft_posts = Post.objects.filter(status=Post.STATUS_DRAFT,
modified__lt=timezone.now() -
timezone.timedelta(days=1)).all()
flushed_posts = 0
for draft_post in draft_posts.iterator():
draft_post.delete()
flushed_posts = flushed_posts + 1
return 'Flushed %s posts' % str(flushed_posts)
def handle(self, *args, **options):
Post = get_post_model()
posts_to_process = Post.objects.filter(hashtags__isnull=True,
text__isnull=False,
text__icontains='#').only(
'id', 'text').all()
migrated_posts = 0
for post in _chunked_queryset_iterator(posts_to_process, 100):
try:
post._process_post_hashtags()
except Exception as e:
logger.info('Error processing with error %s' % str(e))
logger.info('Processed hashtags for post with id:' + str(post.pk))
migrated_posts = migrated_posts + 1
logger.info('Processed %d posts for hashtags' % migrated_posts)
def process_post_media(post_id):
"""
This job is called to process post media and mark it as published
"""
Post = get_post_model()
PostMedia = get_post_media_model()
post = Post.objects.get(pk=post_id)
logger.info('Processing media of post with id: %d' % post_id)
post_media_videos = post.media.filter(type=PostMedia.MEDIA_TYPE_VIDEO)
for post_media_video in post_media_videos.iterator():
post_video = post_media_video.content_object
tasks.convert_video(post_video.file)
# This updates the status and created attributes
post._publish()
logger.info('Processed media of post with id: %d' % post_id)
def check_can_delete_post(user, post):
Post = get_post_model()
if not user.has_post(post=post):
if Post.is_post_with_id_a_community_post(post.pk):
# If the comment is in a community, check if we're moderators
if not user.is_moderator_of_community_with_name(
post.community.name) and not user.is_administrator_of_community_with_name(post.community.name):
raise ValidationError(
_('Only moderators/administrators can remove community posts.'),
)
else:
# TODO Not the best place to log this but doing the check for community again on delete is wasteful
post.community.create_remove_post_log(source_user=user,
target_user=post.creator)
else:
raise ValidationError(
_('You cannot remove a post that does not belong to you')
)
def check_can_delete_comment_with_id_for_post(user, post_comment_id, post):
check_can_see_post(user=user, post=post)
# Check that the comment belongs to the post
PostComment = get_post_comment_model()
Post = get_post_model()
if not PostComment.objects.filter(id=post_comment_id,
post_id=post.pk).exists():
raise ValidationError(
_('The comment does not belong to the specified post.'))
is_comment_creator = user.posts_comments.filter(
id=post_comment_id).exists()
if post.community:
is_moderator = user.is_moderator_of_community_with_name(
post.community.name)
is_administrator = user.is_administrator_of_community_with_name(
post.community.name)
if not is_administrator and not is_moderator:
if post.is_closed:
raise ValidationError(
_('Only moderators/administrators can remove closed community posts.'
), )
elif not is_comment_creator:
raise ValidationError(
_('You cannot remove a comment that does not belong to you'
))
else:
# is admin or mod
post_comment = PostComment.objects.select_related('commenter').get(
pk=post_comment_id)
if post_comment.parent_comment is not None:
post.community.create_remove_post_comment_reply_log(
source_user=user, target_user=post_comment.commenter)
else:
post.community.create_remove_post_comment_log(
source_user=user, target_user=post_comment.commenter)
elif not post.creator_id == user.pk and not is_comment_creator:
# not a community post
raise ValidationError(
_('You cannot remove a comment that does not belong to you'))
def handle(self, *args, **options):
Post = get_post_model()
PostMedia = get_post_media_model()
posts_to_migrate = Post.objects.filter(image__isnull=False,
media__isnull=True)
migrated_posts = 0
for post in posts_to_migrate.iterator():
with transaction.atomic():
post_image = post.image
PostMedia.create_post_media(type=PostMedia.MEDIA_TYPE_IMAGE,
content_object=post_image,
post_id=post.pk,
order=0)
post_image.save()
logger.info('Migrated post with id:' + str(post.pk))
migrated_posts = migrated_posts + 1
logger.info('Migrated %d posts' % migrated_posts)
def unverify_with_actor_with_id(self, actor_id):
current_verified = self.verified
self.verified = False
ModeratedObjectVerifiedChangedLog.create_moderated_object_verified_changed_log(
changed_from=current_verified, changed_to=self.verified, moderated_object_id=self.pk, actor_id=actor_id)
self.user_penalties.all().delete()
content_object = self.content_object
Post = get_post_model()
PostComment = get_post_comment_model()
Community = get_community_model()
moderation_severity = self.category.severity
if (isinstance(content_object, Post) or isinstance(content_object, PostComment) or isinstance(
content_object,
Community)) or (
isinstance(content_object, User) and moderation_severity == ModerationCategory.SEVERITY_CRITICAL):
content_object.unsoft_delete()
self.save()
content_object.save()
def approve_with_actor_with_id(self, actor_id):
Post = get_post_model()
PostComment = get_post_comment_model()
Community = get_community_model()
User = get_user_model()
content_object = self.content_object
moderation_severity = self.category.severity
current_status = self.status
self.status = ModeratedObject.STATUS_APPROVED
ModeratedObjectStatusChangedLog.create_moderated_object_status_changed_log(
changed_from=current_status, changed_to=self.status, moderated_object_id=self.pk, actor_id=actor_id)
if isinstance(content_object, Post) or \
isinstance(content_object, PostComment) or \
isinstance(content_object, Community):
content_object.delete_notifications()
if isinstance(content_object, User) and moderation_severity == ModerationCategory.SEVERITY_CRITICAL:
content_object.delete_outgoing_notifications()
self.save()
def handle(self, *args, **options):
Post = get_post_model()
text_query = Q(
text__isnull=False,
text__icontains='http',
)
links_query = Q(links__isnull=True) | Q(links__has_preview=False)
posts_to_process = Post.objects.filter(text_query & links_query).only(
'id', 'text').all()
migrated_posts = 0
for post in _chunked_queryset_iterator(posts_to_process, 100):
try:
post._process_post_links()
except Exception as e:
logger.info('Error processing with error %s' % str(e))
logger.info('Processed links for post with id:' + str(post.pk))
migrated_posts = migrated_posts + 1
logger.info('Processed %d posts for links' % migrated_posts)
def to_representation(self, post):
request = self.context.get('request')
request_user = request.user
reaction_emoji_count = []
if request_user.is_anonymous:
if post.public_reactions:
Post = get_post_model()
reaction_emoji_count = Post.get_emoji_counts_for_post_with_id(
post.pk)
else:
reaction_emoji_count = request_user.get_emoji_counts_for_post_with_id(
post.pk)
post_reactions_serializer = self.emoji_count_serializer(
reaction_emoji_count,
many=True,
context={
"request": request,
'post': post
})
return post_reactions_serializer.data
def clean_top_posts():
"""
Cleans up top posts, that no longer meet the criteria.
"""
Post = get_post_model()
Community = get_community_model()
TopPost = get_top_post_model()
PostComment = get_post_comment_model()
ModeratedObject = get_moderated_object_model()
# if any of these is true, we will remove the top post
top_posts_community_query = Q(
post__community__type=Community.COMMUNITY_TYPE_PRIVATE)
top_posts_community_query.add(Q(post__is_closed=True), Q.OR)
top_posts_community_query.add(Q(post__is_deleted=True), Q.OR)
top_posts_community_query.add(Q(post__status=Post.STATUS_DRAFT), Q.OR)
top_posts_community_query.add(Q(post__status=Post.STATUS_PROCESSING), Q.OR)
top_posts_community_query.add(
Q(post__moderated_object__status=ModeratedObject.STATUS_APPROVED),
Q.OR)
# counts less than minimum
top_posts_criteria_query = Q(total_comments_count__lt=settings.MIN_UNIQUE_TOP_POST_COMMENTS_COUNT) & \
Q(reactions_count__lt=settings.MIN_UNIQUE_TOP_POST_REACTIONS_COUNT)
posts_select_related = 'post__community'
posts_prefetch_related = ('post__comments__commenter',
'post__reactions__reactor')
posts_only = ('post__id', 'post__status', 'post__is_deleted',
'post__is_closed', 'post__community__type')
direct_removable_top_posts = TopPost.objects.select_related(posts_select_related). \
prefetch_related(*posts_prefetch_related). \
only(*posts_only). \
filter(top_posts_community_query). \
annotate(total_comments_count=Count('post__comments__commenter_id'),
reactions_count=Count('post__reactions__reactor_id')). \
filter(top_posts_criteria_query)
# bulk delete all that definitely dont meet the criteria anymore
direct_removable_top_posts.delete()
# Now we need to only check the ones where the unique comments count might have dropped,
# while all other criteria is fine
top_posts_community_query = Q(
post__community__isnull=False,
post__community__type=Community.COMMUNITY_TYPE_PUBLIC)
top_posts_community_query.add(
Q(post__is_closed=False,
post__is_deleted=False,
post__status=Post.STATUS_PUBLISHED), Q.AND)
top_posts_community_query.add(
~Q(post__moderated_object__status=ModeratedObject.STATUS_APPROVED),
Q.AND)
top_posts_criteria_query = Q(total_comments_count__gte=settings.MIN_UNIQUE_TOP_POST_COMMENTS_COUNT) | \
Q(reactions_count__gte=settings.MIN_UNIQUE_TOP_POST_REACTIONS_COUNT)
top_posts = TopPost.objects.select_related(posts_select_related). \
prefetch_related(*posts_prefetch_related). \
only(*posts_only). \
filter(top_posts_community_query). \
annotate(total_comments_count=Count('post__comments__commenter_id'),
reactions_count=Count('post__reactions__reactor_id')). \
filter(top_posts_criteria_query)
delete_ids = []
for top_post in _chunked_queryset_iterator(top_posts, 1000):
if not top_post.reactions_count >= settings.MIN_UNIQUE_TOP_POST_REACTIONS_COUNT:
unique_comments_count = PostComment.objects.filter(post=top_post.post). \
values('commenter_id'). \
annotate(user_comments_count=Count('commenter_id')).count()
if unique_comments_count < settings.MIN_UNIQUE_TOP_POST_COMMENTS_COUNT:
delete_ids.append(top_post.pk)
# bulk delete ids
TopPost.objects.filter(id__in=delete_ids).delete()
def make_only_published_posts_query():
# Only retrieve published posts
Post = get_post_model()
return Q(status=Post.STATUS_PUBLISHED)
def verify_with_actor_with_id(self, actor_id):
current_verified = self.verified
self.verified = True
ModeratedObjectVerifiedChangedLog.create_moderated_object_verified_changed_log(
changed_from=current_verified, changed_to=self.verified, moderated_object_id=self.pk, actor_id=actor_id)
Post = get_post_model()
Hashtag = get_hashtag_model()
PostComment = get_post_comment_model()
Community = get_community_model()
User = get_user_model()
ModerationPenalty = get_moderation_penalty_model()
content_object = self.content_object
moderation_severity = self.category.severity
penalty_targets = None
if self.is_approved():
if isinstance(content_object, User):
penalty_targets = [content_object]
elif isinstance(content_object, Post):
penalty_targets = [content_object.creator]
elif isinstance(content_object, PostComment):
penalty_targets = [content_object.commenter]
elif isinstance(content_object, Community):
penalty_targets = content_object.get_staff_members()
elif isinstance(content_object, ModeratedObject):
penalty_targets = content_object.get_reporters()
elif isinstance(content_object, Hashtag):
penalty_targets = []
for penalty_target in penalty_targets:
duration_of_penalty = None
penalties_count = penalty_target.count_moderation_penalties_for_moderation_severity(
moderation_severity=moderation_severity) + 1
if moderation_severity == ModerationCategory.SEVERITY_CRITICAL:
duration_of_penalty = timezone.timedelta(weeks=5000)
elif moderation_severity == ModerationCategory.SEVERITY_HIGH:
duration_of_penalty = timezone.timedelta(days=penalties_count ** 4)
elif moderation_severity == ModerationCategory.SEVERITY_MEDIUM:
duration_of_penalty = timezone.timedelta(hours=penalties_count ** 3)
elif moderation_severity == ModerationCategory.SEVERITY_LOW:
duration_of_penalty = timezone.timedelta(minutes=penalties_count ** 2)
moderation_expiration = timezone.now() + duration_of_penalty
ModerationPenalty.create_suspension_moderation_penalty(moderated_object=self,
user_id=penalty_target.pk,
expiration=moderation_expiration)
if (isinstance(content_object, Post) or isinstance(content_object, PostComment) or isinstance(
content_object,
Community)) or (
isinstance(content_object, User) and moderation_severity == ModerationCategory.SEVERITY_CRITICAL):
content_object.soft_delete()
if moderation_severity == ModerationCategory.SEVERITY_CRITICAL and isinstance(content_object, Post):
# We have hashes
content_object.delete_media()
content_object.save()
self.save()
def get_posts_for_user_collection(target_user,
source_user,
posts_only=None,
posts_prefetch_related=None,
max_id=None,
min_id=None,
include_community_posts=False):
Post = get_post_model()
posts_collection_manager = Post.objects
if posts_prefetch_related:
posts_collection_manager = posts_collection_manager.prefetch_related(
*posts_prefetch_related)
if posts_only:
posts_collection_manager = posts_collection_manager.only(*posts_only)
id_boundary_query = None
if max_id:
id_boundary_query = make_only_posts_with_max_id(max_id=max_id)
elif min_id:
id_boundary_query = make_only_posts_with_min_id(min_id=min_id)
query = Q(
# Created by the target user
creator__username=target_user.username,
# Not closed
is_closed=False,
# Not deleted
is_deleted=False,
# Published
status=Post.STATUS_PUBLISHED,
)
posts_query = make_circles_posts_query_for_user(user=source_user)
if include_community_posts:
posts_query.add(make_community_posts_query_for_user(user=source_user),
Q.OR)
query.add(posts_query, Q.AND)
if id_boundary_query:
query.add(id_boundary_query, Q.AND)
ModeratedObject = get_moderated_object_model()
posts_visibility_exclude_query = Q(
# Reported posts
Q(moderated_object__reports__reporter_id=source_user.pk) |
# Approved reported posts
Q(moderated_object__status=ModeratedObject.STATUS_APPROVED) |
# Posts of users we blocked or that have blocked us
Q(creator__blocked_by_users__blocker_id=source_user.pk)
| Q(creator__user_blocks__blocked_user_id=source_user.pk) |
# Posts of communities banned from
Q(community__banned_users__id=source_user.pk))
return posts_collection_manager.filter(query).exclude(
posts_visibility_exclude_query).distinct()
def __init__(self):
PostReaction = get_post_reaction_model()
PostComment = get_post_comment_model()
User = get_user_model()
Emoji = get_emoji_model()
Post = get_post_model()
CommunityInvite = get_community_invite_model()
Community = get_community_model()
class NotificationUserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = (
'id',
'username',
)
class NotificationEmojiSerializer(serializers.ModelSerializer):
class Meta:
model = Emoji
fields = (
'id',
'keyword',
)
class NotificationPostSerializer(serializers.ModelSerializer):
class Meta:
model = Post
fields = (
'id',
'uuid',
)
class NotificationPostReactionSerializer(serializers.ModelSerializer):
reactor = NotificationUserSerializer()
emoji = NotificationEmojiSerializer()
post = NotificationPostSerializer()
class Meta:
model = PostReaction
fields = ('id', 'reactor', 'emoji', 'post')
self.NotificationPostReactionSerializer = NotificationPostReactionSerializer
class NotificationCommunitySerializer(serializers.ModelSerializer):
class Meta:
model = Community
fields = ('id', 'name', 'title')
class NotificationCommunityInviteSerializer(serializers.ModelSerializer
):
creator = NotificationUserSerializer()
invited_user = NotificationUserSerializer()
community = NotificationCommunitySerializer()
class Meta:
model = CommunityInvite
fields = ('id', 'creator', 'invited_user', 'community')
self.NotificationCommunityInviteSerializer = NotificationCommunityInviteSerializer
class NotificationPostCommentSerializer(serializers.ModelSerializer):
commenter = NotificationUserSerializer()
post = NotificationPostSerializer()
class Meta:
model = PostComment
fields = ('id', 'commenter', 'post')
self.NotificationPostCommentSerializer = NotificationPostCommentSerializer
class NotificationPostCommentReplySerializer(
serializers.ModelSerializer):
commenter = NotificationUserSerializer()
post = NotificationPostSerializer()
class Meta:
model = PostComment
fields = ('id', 'commenter', 'post')
self.NotificationPostCommentReplySerializer = NotificationPostCommentReplySerializer
class FollowNotificationSerializer(serializers.Serializer):
following_user = NotificationUserSerializer()
self.FollowNotificationSerializer = FollowNotificationSerializer
class ConnectionRequestNotificationSerializer(serializers.Serializer):
connection_requester = NotificationUserSerializer()
self.ConnectionRequestNotificationSerializer = ConnectionRequestNotificationSerializer
def get(self, request):
Post = get_post_model()
posts = Post.get_trending_posts()[:30]
posts_serializer = AuthenticatedUserPostSerializer(
posts, many=True, context={"request": request})
return Response(posts_serializer.data, status=status.HTTP_200_OK)
def post_id_exists(post_id):
Post = get_post_model()
if not Post.objects.filter(id=post_id).exists():
raise ValidationError(_('The post does not exist.'), )
def get_post_id_for_post_uuid(post_uuid):
Post = get_post_model()
return Post.get_post_id_for_post_with_uuid(post_uuid=post_uuid)
def post_uuid_exists(post_uuid):
Post = get_post_model()
if not Post.objects.filter(uuid=post_uuid).exists():
raise NotFound(_('The post does not exist.'), )
def get_post_id_for_post_uuid(post_uuid):
Post = get_post_model()
post = Post.objects.values('id').get(uuid=post_uuid)
return post['id']
def curate_top_posts():
"""
Curates the top posts.
This job should be scheduled to be run every n hours.
"""
Post = get_post_model()
Community = get_community_model()
PostComment = get_post_comment_model()
ModeratedObject = get_moderated_object_model()
TopPost = get_top_post_model()
logger.info('Processing top posts at %s...' % timezone.now())
top_posts_community_query = Q(top_post__isnull=True)
top_posts_community_query.add(
Q(community__isnull=False,
community__type=Community.COMMUNITY_TYPE_PUBLIC), Q.AND)
top_posts_community_query.add(
Q(is_closed=False, is_deleted=False, status=Post.STATUS_PUBLISHED),
Q.AND)
top_posts_community_query.add(
~Q(moderated_object__status=ModeratedObject.STATUS_APPROVED), Q.AND)
top_posts_criteria_query = Q(total_comments_count__gte=settings.MIN_UNIQUE_TOP_POST_COMMENTS_COUNT) | \
Q(reactions_count__gte=settings.MIN_UNIQUE_TOP_POST_REACTIONS_COUNT)
posts_select_related = 'community'
posts_prefetch_related = ('comments__commenter', 'reactions__reactor')
posts_only = ('id', 'status', 'is_deleted', 'is_closed', 'community__type')
posts = Post.objects. \
select_related(posts_select_related). \
prefetch_related(*posts_prefetch_related). \
only(*posts_only). \
filter(top_posts_community_query). \
annotate(total_comments_count=Count('comments__commenter_id'),
reactions_count=Count('reactions__reactor_id')). \
filter(top_posts_criteria_query)
top_posts_objects = []
total_checked_posts = 0
total_curated_posts = 0
for post in _chunked_queryset_iterator(posts, 1000):
total_checked_posts = total_checked_posts + 1
if not post.reactions_count >= settings.MIN_UNIQUE_TOP_POST_REACTIONS_COUNT:
unique_comments_count = PostComment.objects.filter(post=post). \
values('commenter_id'). \
annotate(user_comments_count=Count('commenter_id')).count()
if unique_comments_count >= settings.MIN_UNIQUE_TOP_POST_COMMENTS_COUNT:
top_post = _add_post_to_top_post(post=post)
if top_post is not None:
top_posts_objects.append(top_post)
else:
top_post = _add_post_to_top_post(post=post)
if top_post is not None:
top_posts_objects.append(top_post)
if len(top_posts_objects) > 1000:
TopPost.objects.bulk_create(top_posts_objects)
total_curated_posts += len(top_posts_objects)
top_posts_objects = []
if len(top_posts_objects) > 0:
total_curated_posts += len(top_posts_objects)
TopPost.objects.bulk_create(top_posts_objects)
return 'Checked: %d. Curated: %d' % (total_checked_posts,
total_curated_posts)
def check_is_not_processing(post):
Post = get_post_model()
if post.status == Post.STATUS_PROCESSING:
raise ValidationError(_('The post is being processed'))
def check_is_not_published(post):
Post = get_post_model()
if post.status == Post.STATUS_PUBLISHED:
raise ValidationError(_('The post is already published'))