class Forum(db.Model, CRUDMixin):
__tablename__ = "forums"
id = db.Column(db.Integer, primary_key=True)
category_id = db.Column(db.Integer,
db.ForeignKey("categories.id", ondelete="CASCADE"),
nullable=False)
title = db.Column(db.String(255), nullable=False)
description = db.Column(db.Text, nullable=True)
position = db.Column(db.Integer, default=1, nullable=False)
locked = db.Column(db.Boolean, default=False, nullable=False)
show_moderators = db.Column(db.Boolean, default=False, nullable=False)
external = db.Column(db.String(200), nullable=True)
post_count = db.Column(db.Integer, default=0, nullable=False)
topic_count = db.Column(db.Integer, default=0, nullable=False)
# One-to-one
last_post_id = db.Column(db.Integer,
db.ForeignKey("posts.id"),
nullable=True) # we handle this case ourselfs
last_post = db.relationship("Post",
backref="last_post_forum",
uselist=False,
foreign_keys=[last_post_id])
# set to null if the user got deleted
last_post_user_id = db.Column(db.Integer,
db.ForeignKey("users.id",
ondelete="SET NULL"),
nullable=True)
last_post_user = db.relationship("User",
uselist=False,
foreign_keys=[last_post_user_id])
# Not nice, but needed to improve the performance; can be set to NULL
# if the forum has no posts
last_post_title = db.Column(db.String(255), nullable=True)
last_post_username = db.Column(db.String(255), nullable=True)
last_post_created = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=True)
# One-to-many
topics = db.relationship("Topic",
backref="forum",
lazy="dynamic",
cascade="all, delete-orphan")
# Many-to-many
moderators = db.relationship("User",
secondary=moderators,
primaryjoin=(moderators.c.forum_id == id),
backref=db.backref("forummoderator",
lazy="dynamic"),
lazy="joined")
groups = db.relationship(
"Group",
secondary=forumgroups,
primaryjoin=(forumgroups.c.forum_id == id),
backref="forumgroups",
lazy="joined",
)
# Properties
@property
def slug(self):
"""Returns a slugified version from the forum title"""
return slugify(self.title)
@property
def url(self):
"""Returns the slugified url for the forum"""
if self.external:
return self.external
return url_for("forum.view_forum", forum_id=self.id, slug=self.slug)
@property
def last_post_url(self):
"""Returns the url for the last post in the forum"""
return url_for("forum.view_post", post_id=self.last_post_id)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def update_last_post(self, commit=True):
"""Updates the last post in the forum."""
last_post = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.id).\
order_by(Post.date_created.desc()).\
limit(1)\
.first()
# Last post is none when there are no topics in the forum
if last_post is not None:
# a new last post was found in the forum
if last_post != self.last_post:
self.last_post = last_post
self.last_post_title = last_post.topic.title
self.last_post_user_id = last_post.user_id
self.last_post_username = last_post.username
self.last_post_created = last_post.date_created
# No post found..
else:
self.last_post = None
self.last_post_title = None
self.last_post_user = None
self.last_post_username = None
self.last_post_created = None
if commit:
db.session.commit()
def update_read(self, user, forumsread, topicsread):
"""Updates the ForumsRead status for the user. In order to work
correctly, be sure that `topicsread is **not** `None`.
:param user: The user for whom we should check if he has read the
forum.
:param forumsread: The forumsread object. It is needed to check if
if the forum is unread. If `forumsread` is `None`
and the forum is unread, it will create a new entry
in the `ForumsRead` relation, else (and the forum
is still unread) we are just going to update the
entry in the `ForumsRead` relation.
:param topicsread: The topicsread object is used in combination
with the forumsread object to check if the
forumsread relation should be updated and
therefore is unread.
"""
if not user.is_authenticated or topicsread is None:
return False
read_cutoff = None
if flaskbb_config['TRACKER_LENGTH'] > 0:
read_cutoff = time_utcnow() - timedelta(
days=flaskbb_config['TRACKER_LENGTH'])
# fetch the unread posts in the forum
unread_count = Topic.query.\
outerjoin(TopicsRead,
db.and_(TopicsRead.topic_id == Topic.id,
TopicsRead.user_id == user.id)).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == Topic.forum_id,
ForumsRead.user_id == user.id)).\
filter(Topic.forum_id == self.id,
Topic.last_updated > read_cutoff,
db.or_(TopicsRead.last_read == None, # noqa: E711
TopicsRead.last_read < Topic.last_updated)).\
count()
# No unread topics available - trying to mark the forum as read
if unread_count == 0:
if forumsread and forumsread.last_read > topicsread.last_read:
return False
# ForumRead Entry exists - Updating it because a new topic/post
# has been submitted and has read everything (obviously, else the
# unread_count would be useless).
elif forumsread:
forumsread.last_read = time_utcnow()
forumsread.save()
return True
# No ForumRead Entry existing - creating one.
forumsread = ForumsRead()
forumsread.user = user
forumsread.forum = self
forumsread.last_read = time_utcnow()
forumsread.save()
return True
# Nothing updated, because there are still more than 0 unread
# topicsread
return False
def recalculate(self, last_post=False):
"""Recalculates the post_count and topic_count in the forum.
Returns the forum with the recounted stats.
:param last_post: If set to ``True`` it will also try to update
the last post columns in the forum.
"""
topic_count = Topic.query.filter(Topic.forum_id == self.id,
Topic.hidden != True).count()
post_count = Post.query.filter(Post.topic_id == Topic.id,
Topic.forum_id == self.id,
Post.hidden != True,
Topic.hidden != True).count()
self.topic_count = topic_count
self.post_count = post_count
if last_post:
self.update_last_post()
self.save()
return self
def save(self, groups=None):
"""Saves a forum
:param moderators: If given, it will update the moderators in this
forum with the given iterable of user objects.
:param groups: A list with group objects.
"""
if self.id:
db.session.merge(self)
else:
if groups is None:
# importing here because of circular dependencies
from flaskbb.user.models import Group
self.groups = Group.query.order_by(Group.name.asc()).all()
db.session.add(self)
db.session.commit()
return self
def delete(self, users=None):
"""Deletes forum. If a list with involved user objects is passed,
it will also update their post counts
:param users: A list with user objects
"""
# Delete the forum
db.session.delete(self)
db.session.commit()
# Update the users post count
if users:
users_list = []
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
users_list.append(user)
db.session.add_all(users_list)
db.session.commit()
return self
def move_topics_to(self, topics):
"""Moves a bunch a topics to the forum. Returns ``True`` if all
topics were moved successfully to the forum.
:param topics: A iterable with topic objects.
"""
status = False
for topic in topics:
status = topic.move(self)
return status
# Classmethods
@classmethod
def get_forum(cls, forum_id, user):
"""Returns the forum and forumsread object as a tuple for the user.
:param forum_id: The forum id
:param user: The user object is needed to check if we also need their
forumsread object.
"""
if user.is_authenticated:
forum, forumsread = Forum.query.\
filter(Forum.id == forum_id).\
options(db.joinedload("category")).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == Forum.id,
ForumsRead.user_id == user.id)).\
add_entity(ForumsRead).\
first_or_404()
else:
forum = Forum.query.filter(Forum.id == forum_id).first_or_404()
forumsread = None
return forum, forumsread
@classmethod
def get_topics(cls, forum_id, user, page=1, per_page=20):
"""Get the topics for the forum. If the user is logged in,
it will perform an outerjoin for the topics with the topicsread and
forumsread relation to check if it is read or unread.
:param forum_id: The forum id
:param user: The user object
:param page: The page whom should be loaded
:param per_page: How many topics per page should be shown
"""
if user.is_authenticated:
topics = Topic.query.filter_by(forum_id=forum_id).\
outerjoin(TopicsRead,
db.and_(TopicsRead.topic_id == Topic.id,
TopicsRead.user_id == user.id)).\
add_entity(TopicsRead).\
order_by(Topic.important.desc(), Topic.last_updated.desc()).\
paginate(page, per_page, True)
else:
topics = Topic.query.filter_by(forum_id=forum_id).\
order_by(Topic.important.desc(), Topic.last_updated.desc()).\
paginate(page, per_page, True)
topics.items = [(topic, None) for topic in topics.items]
return topics
class Post(HideableCRUDMixin, db.Model):
__tablename__ = "posts"
id = db.Column(db.Integer, primary_key=True)
topic_id = db.Column(db.Integer,
db.ForeignKey("topics.id",
ondelete="CASCADE",
use_alter=True),
nullable=True)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=True)
username = db.Column(db.String(200), nullable=False)
content = db.Column(db.Text, nullable=False)
date_created = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=False)
date_modified = db.Column(UTCDateTime(timezone=True), nullable=True)
modified_by = db.Column(db.String(200), nullable=True)
# Properties
@property
def url(self):
"""Returns the url for the post."""
return url_for("forum.view_post", post_id=self.id)
# Methods
def __init__(self, content=None, user=None, topic=None):
"""Creates a post object with some initial values.
:param content: The content of the post.
:param user: The user of the post.
:param topic: Can either be the topic_id or the topic object.
"""
if content:
self.content = content
if user:
# setting user here -- even with setting the user id explicitly
# breaks the bulk insert for some reason
self.user_id = user.id
self.username = user.username
if topic:
self.topic_id = topic if isinstance(topic, int) else topic.id
self.date_created = time_utcnow()
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def save(self, user=None, topic=None):
"""Saves a new post. If no parameters are passed we assume that
you will just update an existing post. It returns the object after the
operation was successful.
:param user: The user who has created the post
:param topic: The topic in which the post was created
"""
current_app.pluggy.hook.flaskbb_event_post_save_before(post=self)
# update/edit the post
if self.id:
db.session.add(self)
db.session.commit()
current_app.pluggy.hook.flaskbb_event_post_save_after(post=self,
is_new=False)
return self
# Adding a new post
if user and topic:
created = time_utcnow()
self.user = user
self.username = user.username
self.topic = topic
self.date_created = created
if not topic.hidden:
topic.last_updated = created
topic.last_post = self
# Update the last post info for the forum
topic.forum.last_post = self
topic.forum.last_post_user = self.user
topic.forum.last_post_title = topic.title
topic.forum.last_post_username = user.username
topic.forum.last_post_created = created
# Update the post counts
user.post_count += 1
topic.post_count += 1
topic.forum.post_count += 1
# And commit it!
db.session.add(topic)
db.session.commit()
current_app.pluggy.hook.flaskbb_event_post_save_after(post=self,
is_new=True)
return self
def delete(self):
"""Deletes a post and returns self."""
# This will delete the whole topic
if self.topic.first_post == self:
self.topic.delete()
return self
db.session.delete(self)
self._deal_with_last_post()
self._update_counts()
db.session.commit()
return self
def hide(self, user):
if self.hidden:
return
if self.topic.first_post == self:
self.topic.hide(user)
return self
super(Post, self).hide(user)
self._deal_with_last_post()
self._update_counts()
db.session.commit()
return self
def unhide(self):
if not self.hidden:
return
if self.topic.first_post == self:
self.topic.unhide()
return self
self._restore_post_to_topic()
super(Post, self).unhide()
self._update_counts()
db.session.commit()
return self
def _deal_with_last_post(self):
if self.topic.last_post == self:
# update the last post in the forum
if self.topic.last_post == self.topic.forum.last_post:
# We need the second last post in the forum here,
# because the last post will be deleted
second_last_post = Post.query.filter(
Post.topic_id == Topic.id,
Topic.forum_id == self.topic.forum.id, Post.hidden != True,
Post.id != self.id).order_by(
Post.id.desc()).limit(1).first()
if second_last_post:
# now lets update the second last post to the last post
self.topic.forum.last_post = second_last_post
self.topic.forum.last_post_title = second_last_post.topic.title
self.topic.forum.last_post_user = second_last_post.user
self.topic.forum.last_post_username = second_last_post.username
self.topic.forum.last_post_created = second_last_post.date_created
else:
self.topic.forum.last_post = None
self.topic.forum.last_post_title = None
self.topic.forum.last_post_user = None
self.topic.forum.last_post_username = None
self.topic.forum.last_post_created = None
# check if there is a second last post in this topic
if self.topic.second_last_post is not None:
# Now the second last post will be the last post
self.topic.last_post_id = self.topic.second_last_post
# there is no second last post, now the last post is also the
# first post
else:
self.topic.last_post = self.topic.first_post
self.topic.last_updated = self.topic.last_post.date_created
def _update_counts(self):
if self.hidden:
clauses = [Post.hidden != True, Post.id != self.id]
else:
clauses = [db.or_(Post.hidden != True, Post.id == self.id)]
user_post_clauses = clauses + [
Post.user_id == self.user.id,
Topic.id == Post.topic_id,
Topic.hidden != True,
]
# Update the post counts
self.user.post_count = Post.query.filter(*user_post_clauses).count()
if self.topic.hidden:
self.topic.post_count = 0
else:
topic_post_clauses = clauses + [
Post.topic_id == self.topic.id,
]
self.topic.post_count = Post.query.filter(
*topic_post_clauses).count()
forum_post_clauses = clauses + [
Post.topic_id == Topic.id,
Topic.forum_id == self.topic.forum.id,
Topic.hidden != True,
]
self.topic.forum.post_count = Post.query.filter(
*forum_post_clauses).count()
def _restore_post_to_topic(self):
last_unhidden_post = Post.query.filter(
Post.topic_id == self.topic_id,
Post.id != self.id,
Post.hidden != True,
).limit(1).first()
# should never be None, but deal with it anyways to be safe
if last_unhidden_post and self.date_created > last_unhidden_post.date_created:
self.topic.last_post = self
self.second_last_post = last_unhidden_post
# if we're the newest in the topic again, we might be the newest
# in the forum again only set if our parent topic isn't hidden
if (not self.topic.hidden and
(not self.topic.forum.last_post or
self.date_created > self.topic.forum.last_post.date_created)):
self.topic.forum.last_post = self
self.topic.forum.last_post_title = self.topic.title
self.topic.forum.last_post_user = self.user
self.topic.forum.last_post_username = self.username
self.topic.forum.last_post_created = self.date_created
class Topic(HideableCRUDMixin, db.Model):
__tablename__ = "topics"
id = db.Column(db.Integer, primary_key=True)
forum_id = db.Column(db.Integer,
db.ForeignKey("forums.id", ondelete="CASCADE"),
nullable=False)
title = db.Column(db.String(255), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=True)
username = db.Column(db.String(200), nullable=False)
date_created = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=False)
last_updated = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=False)
locked = db.Column(db.Boolean, default=False, nullable=False)
important = db.Column(db.Boolean, default=False, nullable=False)
views = db.Column(db.Integer, default=0, nullable=False)
post_count = db.Column(db.Integer, default=0, nullable=False)
# One-to-one (uselist=False) relationship between first_post and topic
first_post_id = db.Column(db.Integer,
db.ForeignKey("posts.id", ondelete="CASCADE"),
nullable=True)
first_post = db.relationship("Post",
backref="first_post",
uselist=False,
foreign_keys=[first_post_id])
# One-to-one
last_post_id = db.Column(db.Integer,
db.ForeignKey("posts.id"),
nullable=True)
last_post = db.relationship("Post",
backref="last_post",
uselist=False,
foreign_keys=[last_post_id])
# One-to-many
posts = db.relationship("Post",
backref="topic",
lazy="dynamic",
primaryjoin="Post.topic_id == Topic.id",
cascade="all, delete-orphan",
post_update=True)
# Properties
@property
def second_last_post(self):
"""Returns the second last post or None."""
try:
return self.posts[-2].id
except IndexError:
return None
@property
def slug(self):
"""Returns a slugified version of the topic title."""
return slugify(self.title)
@property
def url(self):
"""Returns the slugified url for the topic."""
return url_for("forum.view_topic", topic_id=self.id, slug=self.slug)
def first_unread(self, topicsread, user, forumsread=None):
"""Returns the url to the first unread post. If no unread posts exist
it will return the url to the topic.
:param topicsread: The topicsread object for the topic
:param user: The user who should be checked if he has read the
last post in the topic
:param forumsread: The forumsread object in which the topic is. If you
also want to check if the user has marked the forum as
read, than you will also need to pass an forumsread
object.
"""
# If the topic is unread try to get the first unread post
if topic_is_unread(self, topicsread, user, forumsread):
query = Post.query.filter(Post.topic_id == self.id)
if topicsread is not None:
query = query.filter(Post.date_created > topicsread.last_read)
post = query.order_by(Post.id.asc()).first()
if post is not None:
return post.url
return self.url
# Methods
def __init__(self, title=None, user=None):
"""Creates a topic object with some initial values.
:param title: The title of the topic.
:param user: The user of the post.
"""
if title:
self.title = title
if user:
# setting the user here, even with setting the id, breaks the bulk insert
# stuff as they use the session.bulk_save_objects which does not trigger
# relationships
self.user_id = user.id
self.username = user.username
self.date_created = self.last_updated = time_utcnow()
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
@classmethod
def get_topic(cls, topic_id, user):
topic = Topic.query.filter_by(id=topic_id).first_or_404()
return topic
def tracker_needs_update(self, forumsread, topicsread):
"""Returns True if the topicsread tracker needs an update.
Also, if the ``TRACKER_LENGTH`` is configured, it will just recognize
topics that are newer than the ``TRACKER_LENGTH`` (in days) as unread.
:param forumsread: The ForumsRead object is needed because we also
need to check if the forum has been cleared
sometime ago.
:param topicsread: The topicsread object is used to check if there is
a new post in the topic.
"""
read_cutoff = None
if flaskbb_config['TRACKER_LENGTH'] > 0:
read_cutoff = time_utcnow() - timedelta(
days=flaskbb_config['TRACKER_LENGTH'])
# The tracker is disabled - abort
if read_cutoff is None:
return False
# Else the topic is still below the read_cutoff
elif read_cutoff > self.last_post.date_created:
return False
# Can be None (cleared) if the user has never marked the forum as read.
# If this condition is false - we need to update the tracker
if forumsread and forumsread.cleared is not None and \
forumsread.cleared >= self.last_post.date_created:
return False
if topicsread and topicsread.last_read >= self.last_post.date_created:
return False
return True
def update_read(self, user, forum, forumsread):
"""Updates the topicsread and forumsread tracker for a specified user,
if the topic contains new posts or the user hasn't read the topic.
Returns True if the tracker has been updated.
:param user: The user for whom the readstracker should be updated.
:param forum: The forum in which the topic is.
:param forumsread: The forumsread object. It is used to check if there
is a new post since the forum has been marked as
read.
"""
# User is not logged in - abort
if not user.is_authenticated:
return False
topicsread = TopicsRead.query.\
filter(TopicsRead.user_id == user.id,
TopicsRead.topic_id == self.id).first()
if not self.tracker_needs_update(forumsread, topicsread):
return False
# Because we return True/False if the trackers have been
# updated, we need to store the status in a temporary variable
updated = False
# A new post has been submitted that the user hasn't read.
# Updating...
if topicsread:
topicsread.last_read = time_utcnow()
topicsread.save()
updated = True
# The user has not visited the topic before. Inserting him in
# the TopicsRead model.
elif not topicsread:
topicsread = TopicsRead()
topicsread.user = user
topicsread.topic = self
topicsread.forum = self.forum
topicsread.last_read = time_utcnow()
topicsread.save()
updated = True
# No unread posts
else:
updated = False
# Save True/False if the forums tracker has been updated.
updated = forum.update_read(user, forumsread, topicsread)
return updated
def recalculate(self):
"""Recalculates the post count in the topic."""
post_count = Post.query.filter_by(topic_id=self.id).count()
self.post_count = post_count
self.save()
return self
def move(self, new_forum):
"""Moves a topic to the given forum.
Returns True if it could successfully move the topic to forum.
:param new_forum: The new forum for the topic
"""
# if the target forum is the current forum, abort
if self.forum == new_forum:
return False
old_forum = self.forum
self.forum.post_count -= self.post_count
self.forum.topic_count -= 1
self.forum = new_forum
new_forum.post_count += self.post_count
new_forum.topic_count += 1
db.session.commit()
new_forum.update_last_post()
old_forum.update_last_post()
TopicsRead.query.filter_by(topic_id=self.id).delete()
return True
def save(self, user=None, forum=None, post=None):
"""Saves a topic and returns the topic object. If no parameters are
given, it will only update the topic.
:param user: The user who has created the topic
:param forum: The forum where the topic is stored
:param post: The post object which is connected to the topic
"""
current_app.pluggy.hook.flaskbb_event_topic_save_before(topic=self)
# Updates the topic
if self.id:
db.session.add(self)
db.session.commit()
current_app.pluggy.hook.flaskbb_event_topic_save_after(
topic=self, is_new=False)
return self
# Set the forum and user id
self.forum = forum
self.user = user
self.username = user.username
# Set the last_updated time. Needed for the readstracker
self.date_created = self.last_updated = time_utcnow()
# Insert and commit the topic
db.session.add(self)
db.session.commit()
# Create the topic post
post.save(user, self)
# Update the first and last post id
self.last_post = self.first_post = post
# Update the topic count
forum.topic_count += 1
db.session.commit()
current_app.pluggy.hook.flaskbb_event_topic_save_after(topic=self,
is_new=True)
return self
def delete(self, users=None):
"""Deletes a topic with the corresponding posts. If a list with
user objects is passed it will also update their post counts
:param users: A list with user objects
"""
forum = self.forum
db.session.delete(self)
self._fix_user_post_counts(users or self.involved_users().all())
self._fix_post_counts(forum)
# forum.last_post_id shouldn't usually be none
if forum.last_post_id is None or \
self.last_post_id == forum.last_post_id:
forum.update_last_post(commit=False)
db.session.commit()
return self
def hide(self, user, users=None):
"""Soft deletes a topic from a forum
"""
if self.hidden:
return
self._remove_topic_from_forum()
super(Topic, self).hide(user)
self._handle_first_post()
self._fix_user_post_counts(users or self.involved_users().all())
self._fix_post_counts(self.forum)
db.session.commit()
return self
def unhide(self, users=None):
"""Restores a hidden topic to a forum
"""
if not self.hidden:
return
super(Topic, self).unhide()
self._handle_first_post()
self._restore_topic_to_forum()
self._fix_user_post_counts(users or self.involved_users().all())
self.forum.recalculate()
db.session.commit()
return self
def _remove_topic_from_forum(self):
# Grab the second last topic in the forum + parents/childs
topics = Topic.query.filter(
Topic.forum_id == self.forum_id, Topic.hidden != True).order_by(
Topic.last_post_id.desc()).limit(2).offset(0).all()
# do we want to replace the topic with the last post in the forum?
if len(topics) > 1:
if topics[0] == self:
# Now the second last post will be the last post
self.forum.last_post = topics[1].last_post
self.forum.last_post_title = topics[1].title
self.forum.last_post_user = topics[1].user
self.forum.last_post_username = topics[1].username
self.forum.last_post_created = topics[1].last_updated
else:
self.forum.last_post = None
self.forum.last_post_title = None
self.forum.last_post_user = None
self.forum.last_post_username = None
self.forum.last_post_created = None
def _fix_user_post_counts(self, users=None):
# Update the post counts
if users:
for user in users:
user.post_count = Post.query.filter(
Post.user_id == user.id, Topic.id == Post.topic_id,
Topic.hidden != True, Post.hidden != True).count()
def _fix_post_counts(self, forum):
clauses = [Topic.forum_id == forum.id]
if self.hidden:
clauses.extend([
Topic.id != self.id,
Topic.hidden != True,
])
else:
clauses.append(db.or_(Topic.id == self.id, Topic.hidden != True))
forum.topic_count = Topic.query.filter(*clauses).count()
post_count = clauses + [
Post.topic_id == Topic.id,
]
if self.hidden:
post_count.append(Post.hidden != True)
else:
post_count.append(
db.or_(Post.hidden != True, Post.id == self.first_post.id))
forum.post_count = Post.query.distinct().filter(*post_count).count()
def _restore_topic_to_forum(self):
if self.forum.last_post is None or self.forum.last_post_created < self.last_updated:
self.forum.last_post = self.last_post
self.forum.last_post_title = self.title
self.forum.last_post_user = self.user
self.forum.last_post_username = self.username
self.forum.last_post_created = self.last_updated
def _handle_first_post(self):
# have to do this specially because otherwise we start recurisve calls
self.first_post.hidden = self.hidden
self.first_post.hidden_by = self.hidden_by
self.first_post.hidden_at = self.hidden_at
def involved_users(self):
"""
Returns a query of all users involved in the topic
"""
# todo: Find circular import and break it
from flaskbb.user.models import User
return User.query.distinct().filter(Post.topic_id == self.id,
User.id == Post.user_id)
class Topic(db.Model, CRUDMixin):
__tablename__ = "topics"
id = db.Column(db.Integer, primary_key=True)
forum_id = db.Column(db.Integer,
db.ForeignKey("forums.id",
use_alter=True,
name="fk_topic_forum_id"),
nullable=False)
title = db.Column(db.String(255), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"))
username = db.Column(db.String(200), nullable=False)
date_created = db.Column(UTCDateTime(timezone=True), default=time_utcnow)
last_updated = db.Column(UTCDateTime(timezone=True), default=time_utcnow)
locked = db.Column(db.Boolean, default=False)
important = db.Column(db.Boolean, default=False)
views = db.Column(db.Integer, default=0)
post_count = db.Column(db.Integer, default=0)
# One-to-one (uselist=False) relationship between first_post and topic
first_post_id = db.Column(db.Integer, db.ForeignKey("posts.id",
ondelete="CASCADE"))
first_post = db.relationship("Post", backref="first_post", uselist=False,
foreign_keys=[first_post_id])
# One-to-one
last_post_id = db.Column(db.Integer, db.ForeignKey("posts.id"))
last_post = db.relationship("Post", backref="last_post", uselist=False,
foreign_keys=[last_post_id])
# One-to-many
posts = db.relationship("Post", backref="topic", lazy="dynamic",
primaryjoin="Post.topic_id == Topic.id",
cascade="all, delete-orphan", post_update=True)
# Properties
@property
def second_last_post(self):
"""Returns the second last post."""
return self.posts[-2].id
@property
def slug(self):
"""Returns a slugified version of the topic title."""
return slugify(self.title)
@property
def url(self):
"""Returns the slugified url for the topic."""
return url_for("forum.view_topic", topic_id=self.id, slug=self.slug)
def first_unread(self, topicsread, user, forumsread=None):
"""Returns the url to the first unread post if any else to the topic
itself.
:param topicsread: The topicsread object for the topic
:param user: The user who should be checked if he has read the last post
in the topic
:param forumsread: The forumsread object in which the topic is. If you
also want to check if the user has marked the forum as
read, than you will also need to pass an forumsread
object.
"""
# If the topic is unread try to get the first unread post
if topic_is_unread(self, topicsread, user, forumsread):
query = Post.query.filter(Post.topic_id == self.id)
if topicsread is not None:
query = query.filter(Post.date_created > topicsread.last_read)
post = query.order_by(Post.id.asc()).first()
if post is not None:
return post.url
return self.url
# Methods
def __init__(self, title=None, user=None):
"""Creates a topic object with some initial values.
:param title: The title of the topic.
:param user: The user of the post.
"""
if title:
self.title = title
if user:
self.user_id = user.id
self.username = user.username
self.date_created = self.last_updated = time_utcnow()
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
@classmethod
def get_topic(cls, topic_id, user):
topic = Topic.query.filter_by(id=topic_id).first_or_404()
return topic
def tracker_needs_update(self, forumsread, topicsread):
"""Returns True if the topicsread tracker needs an update.
Also, if the ``TRACKER_LENGTH`` is configured, it will just recognize
topics that are newer than the ``TRACKER_LENGTH`` (in days) as unread.
:param forumsread: The ForumsRead object is needed because we also
need to check if the forum has been cleared
sometime ago.
:param topicsread: The topicsread object is used to check if there is
a new post in the topic.
"""
read_cutoff = None
if flaskbb_config['TRACKER_LENGTH'] > 0:
read_cutoff = time_utcnow() - timedelta(
days=flaskbb_config['TRACKER_LENGTH'])
# The tracker is disabled - abort
if read_cutoff is None:
return False
# Else the topic is still below the read_cutoff
elif read_cutoff > self.last_post.date_created:
return False
# Can be None (cleared) if the user has never marked the forum as read.
# If this condition is false - we need to update the tracker
if forumsread and forumsread.cleared is not None and \
forumsread.cleared >= self.last_post.date_created:
return False
if topicsread and topicsread.last_read >= self.last_post.date_created:
return False
return True
def update_read(self, user, forum, forumsread):
"""Updates the topicsread and forumsread tracker for a specified user,
if the topic contains new posts or the user hasn't read the topic.
Returns True if the tracker has been updated.
:param user: The user for whom the readstracker should be updated.
:param forum: The forum in which the topic is.
:param forumsread: The forumsread object. It is used to check if there
is a new post since the forum has been marked as
read.
"""
# User is not logged in - abort
if not user.is_authenticated:
return False
topicsread = TopicsRead.query.\
filter(TopicsRead.user_id == user.id,
TopicsRead.topic_id == self.id).first()
if not self.tracker_needs_update(forumsread, topicsread):
return False
# Because we return True/False if the trackers have been
# updated, we need to store the status in a temporary variable
updated = False
# A new post has been submitted that the user hasn't read.
# Updating...
if topicsread:
topicsread.last_read = time_utcnow()
topicsread.save()
updated = True
# The user has not visited the topic before. Inserting him in
# the TopicsRead model.
elif not topicsread:
topicsread = TopicsRead()
topicsread.user_id = user.id
topicsread.topic_id = self.id
topicsread.forum_id = self.forum_id
topicsread.last_read = time_utcnow()
topicsread.save()
updated = True
# No unread posts
else:
updated = False
# Save True/False if the forums tracker has been updated.
updated = forum.update_read(user, forumsread, topicsread)
return updated
def recalculate(self):
"""Recalculates the post count in the topic."""
post_count = Post.query.filter_by(topic_id=self.id).count()
self.post_count = post_count
self.save()
return self
def move(self, new_forum):
"""Moves a topic to the given forum.
Returns True if it could successfully move the topic to forum.
:param new_forum: The new forum for the topic
"""
# if the target forum is the current forum, abort
if self.forum_id == new_forum.id:
return False
old_forum = self.forum
self.forum.post_count -= self.post_count
self.forum.topic_count -= 1
self.forum_id = new_forum.id
new_forum.post_count += self.post_count
new_forum.topic_count += 1
db.session.commit()
new_forum.update_last_post()
old_forum.update_last_post()
TopicsRead.query.filter_by(topic_id=self.id).delete()
return True
def save(self, user=None, forum=None, post=None):
"""Saves a topic and returns the topic object. If no parameters are
given, it will only update the topic.
:param user: The user who has created the topic
:param forum: The forum where the topic is stored
:param post: The post object which is connected to the topic
"""
# Updates the topic
if self.id:
db.session.add(self)
db.session.commit()
return self
# Set the forum and user id
self.forum_id = forum.id
self.user_id = user.id
self.username = user.username
# Set the last_updated time. Needed for the readstracker
created = time_utcnow()
self.date_created = self.last_updated = created
# Insert and commit the topic
db.session.add(self)
db.session.commit()
# Create the topic post
post.save(user, self)
# Update the first post id
self.first_post_id = post.id
# Update the topic count
forum.topic_count += 1
db.session.commit()
return self
def delete(self, users=None):
"""Deletes a topic with the corresponding posts. If a list with
user objects is passed it will also update their post counts
:param users: A list with user objects
"""
# Grab the second last topic in the forum + parents/childs
topic = Topic.query.\
filter_by(forum_id=self.forum_id).\
order_by(Topic.last_post_id.desc()).limit(2).offset(0).all()
# do we want to delete the topic with the last post in the forum?
if topic and topic[0].id == self.id:
try:
# Now the second last post will be the last post
self.forum.last_post_id = topic[1].last_post_id
self.forum.last_post_title = topic[1].title
self.forum.last_post_user_id = topic[1].user_id
self.forum.last_post_username = topic[1].username
self.forum.last_post_created = topic[1].last_updated
# Catch an IndexError when you delete the last topic in the forum
# There is no second last post
except IndexError:
self.forum.last_post_id = None
self.forum.last_post_title = None
self.forum.last_post_user_id = None
self.forum.last_post_username = None
self.forum.last_post_created = None
# Commit the changes
db.session.commit()
# These things needs to be stored in a variable before they are deleted
forum = self.forum
TopicsRead.query.filter_by(topic_id=self.id).delete()
# Delete the topic
db.session.delete(self)
db.session.commit()
# Update the post counts
if users:
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
db.session.commit()
forum.topic_count = Topic.query.\
filter_by(forum_id=self.forum_id).\
count()
forum.post_count = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.forum_id).\
count()
db.session.commit()
return self
class Category(db.Model, CRUDMixin):
__tablename__ = "categories"
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(255), nullable=False)
description = db.Column(db.Text, nullable=True)
position = db.Column(db.Integer, default=1, nullable=False)
# One-to-many
forums = db.relationship("Forum",
backref="category",
lazy="dynamic",
primaryjoin='Forum.category_id == Category.id',
order_by='asc(Forum.position)',
cascade="all, delete-orphan")
# Properties
@property
def slug(self):
"""Returns a slugified version from the category title"""
return slugify(self.title)
@property
def url(self):
"""Returns the slugified url for the category"""
return url_for("forum.view_category",
category_id=self.id,
slug=self.slug)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def delete(self, users=None):
"""Deletes a category. If a list with involved user objects is passed,
it will also update their post counts
:param users: A list with user objects
"""
# and finally delete the category itself
db.session.delete(self)
db.session.commit()
# Update the users post count
if users:
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
db.session.commit()
return self
# Classmethods
@classmethod
def get_all(cls, user):
"""Get all categories with all associated forums.
It returns a list with tuples. Those tuples are containing the category
and their associated forums (whose are stored in a list).
For example::
[(<Category 1>, [(<Forum 2>, <ForumsRead>), (<Forum 1>, None)]),
(<Category 2>, [(<Forum 3>, None), (<Forum 4>, None)])]
:param user: The user object is needed to check if we also need their
forumsread object.
"""
# import Group model locally to avoid cicular imports
from flaskbb.user.models import Group
if user.is_authenticated:
# get list of user group ids
user_groups = [gr.id for gr in user.groups]
# filter forums by user groups
user_forums = Forum.query.\
filter(Forum.groups.any(Group.id.in_(user_groups))).\
subquery()
forum_alias = aliased(Forum, user_forums)
# get all
forums = cls.query.\
join(forum_alias, cls.id == forum_alias.category_id).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == forum_alias.id,
ForumsRead.user_id == user.id)).\
add_entity(forum_alias).\
add_entity(ForumsRead).\
order_by(Category.position, Category.id,
forum_alias.position).\
all()
else:
guest_group = Group.get_guest_group()
# filter forums by guest groups
guest_forums = Forum.query.\
filter(Forum.groups.any(Group.id == guest_group.id)).\
subquery()
forum_alias = aliased(Forum, guest_forums)
forums = cls.query.\
join(forum_alias, cls.id == forum_alias.category_id).\
add_entity(forum_alias).\
order_by(Category.position, Category.id,
forum_alias.position).\
all()
return get_categories_and_forums(forums, user)
@classmethod
def get_forums(cls, category_id, user):
"""Get the forums for the category.
It returns a tuple with the category and the forums with their
forumsread object are stored in a list.
A return value can look like this for a category with two forums::
(<Category 1>, [(<Forum 1>, None), (<Forum 2>, None)])
:param category_id: The category id
:param user: The user object is needed to check if we also need their
forumsread object.
"""
from flaskbb.user.models import Group
if user.is_authenticated:
# get list of user group ids
user_groups = [gr.id for gr in user.groups]
# filter forums by user groups
user_forums = Forum.query.\
filter(Forum.groups.any(Group.id.in_(user_groups))).\
subquery()
forum_alias = aliased(Forum, user_forums)
forums = cls.query.\
filter(cls.id == category_id).\
join(forum_alias, cls.id == forum_alias.category_id).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == forum_alias.id,
ForumsRead.user_id == user.id)).\
add_entity(forum_alias).\
add_entity(ForumsRead).\
order_by(forum_alias.position).\
all()
else:
guest_group = Group.get_guest_group()
# filter forums by guest groups
guest_forums = Forum.query.\
filter(Forum.groups.any(Group.id == guest_group.id)).\
subquery()
forum_alias = aliased(Forum, guest_forums)
forums = cls.query.\
filter(cls.id == category_id).\
join(forum_alias, cls.id == forum_alias.category_id).\
add_entity(forum_alias).\
order_by(forum_alias.position).\
all()
if not forums:
abort(404)
return get_forums(forums, user)
class Pet(db.Model):
__tablename__ = "pets"
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(
db.Integer,
db.ForeignKey("users.id",
use_alter=True,
name="fk_pets_owners_id",
ondelete="CASCADE"))
petname = db.Column(db.String(200), nullable=False)
birthday = db.Column(db.DateTime)
gender = db.Column(db.String(10), default=False, nullable=False)
breed = db.Column(db.String(50), default=False, nullable=False)
avatar = db.Column(db.String(200))
info = db.Column(db.Text)
# Properties
@property
def url(self):
"""Returns the url for the pet."""
return url_for("pet.profile",
username=self.user.username,
pet_id=self.id)
# Methods
def __init__(self,
petname,
birthday,
gender,
breed=None,
avatar=None,
info=None):
"""Creates a pet object with some initial values."""
self.petname = petname
self.birthday = birthday
self.gender = gender
self.breed = breed
self.avatar = avatar
self.info = info
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def save(self, user=None):
"""Saves a new pet. If no parameters are passed we assume that
you will just update an existing pet. It returns the object after the
operation was successful.
:param user: The user who has added the pet
"""
# update/edit the pet
if self.id:
db.session.add(self)
db.session.commit()
return self
# Adding a new pet
if user:
self.user_id = user.id
db.session.add(self)
db.session.commit()
return self
def delete(self):
"""Deletes a pet and returns self."""
db.session.delete(self)
db.session.commit()
return self
class Post(db.Model, CRUDMixin):
__tablename__ = "posts"
id = db.Column(db.Integer, primary_key=True)
topic_id = db.Column(db.Integer,
db.ForeignKey("topics.id",
use_alter=True,
name="fk_post_topic_id",
ondelete="CASCADE"))
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=True)
username = db.Column(db.String(200), nullable=False)
content = db.Column(db.Text, nullable=False)
date_created = db.Column(UTCDateTime(timezone=True), default=time_utcnow)
date_modified = db.Column(UTCDateTime(timezone=True))
modified_by = db.Column(db.String(200))
# Properties
@property
def url(self):
"""Returns the url for the post."""
return url_for("forum.view_post", post_id=self.id)
# Methods
def __init__(self, content=None, user=None, topic=None):
"""Creates a post object with some initial values.
:param content: The content of the post.
:param user: The user of the post.
:param topic: Can either be the topic_id or the topic object.
"""
if content:
self.content = content
if user:
self.user_id = user.id
self.username = user.username
if topic:
self.topic_id = topic if isinstance(topic, int) else topic.id
self.date_created = time_utcnow()
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def save(self, user=None, topic=None):
"""Saves a new post. If no parameters are passed we assume that
you will just update an existing post. It returns the object after the
operation was successful.
:param user: The user who has created the post
:param topic: The topic in which the post was created
"""
# update/edit the post
if self.id:
db.session.add(self)
db.session.commit()
return self
# Adding a new post
if user and topic:
created = time_utcnow()
self.user_id = user.id
self.username = user.username
self.topic_id = topic.id
self.date_created = created
topic.last_updated = created
# This needs to be done before the last_post_id gets updated.
db.session.add(self)
db.session.commit()
# Now lets update the last post id
topic.last_post_id = self.id
# Update the last post info for the forum
topic.forum.last_post_id = self.id
topic.forum.last_post_title = topic.title
topic.forum.last_post_user_id = user.id
topic.forum.last_post_username = user.username
topic.forum.last_post_created = created
# Update the post counts
user.post_count += 1
topic.post_count += 1
topic.forum.post_count += 1
# And commit it!
db.session.add(topic)
db.session.commit()
return self
def delete(self):
"""Deletes a post and returns self."""
# This will delete the whole topic
if self.topic.first_post_id == self.id:
self.topic.delete()
return self
# Delete the last post
if self.topic.last_post_id == self.id:
# update the last post in the forum
if self.topic.last_post_id == self.topic.forum.last_post_id:
# We need the second last post in the forum here,
# because the last post will be deleted
second_last_post = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.topic.forum.id).\
order_by(Post.id.desc()).limit(2).offset(0).\
all()
second_last_post = second_last_post[1]
self.topic.forum.last_post_id = second_last_post.id
# check if there is a second last post, else it is the first post
if self.topic.second_last_post:
# Now the second last post will be the last post
self.topic.last_post_id = self.topic.second_last_post
# there is no second last post, now the last post is also the
# first post
else:
self.topic.last_post_id = self.topic.first_post_id
# Update the post counts
self.user.post_count -= 1
self.topic.post_count -= 1
self.topic.forum.post_count -= 1
db.session.commit()
db.session.delete(self)
db.session.commit()
return self
class Setting(db.Model):
__tablename__ = "settings"
key = db.Column(db.String(255), primary_key=True)
value = db.Column(db.PickleType, nullable=False)
settingsgroup = db.Column(db.String,
db.ForeignKey('settingsgroup.key',
use_alter=True,
name="fk_settingsgroup"),
nullable=False)
# The name (displayed in the form)
name = db.Column(db.String(200), nullable=False)
# The description (displayed in the form)
description = db.Column(db.Text, nullable=False)
# Available types: string, integer, float, boolean, select, selectmultiple
value_type = db.Column(db.String(20), nullable=False)
# Extra attributes like, validation things (min, max length...)
# For Select*Fields required: choices
extra = db.Column(db.PickleType)
@classmethod
def get_form(cls, group):
"""Returns a Form for all settings found in :class:`SettingsGroup`.
:param group: The settingsgroup name. It is used to get the settings
which are in the specified group.
"""
class SettingsForm(Form):
pass
# now parse the settings in this group
for setting in group.settings:
field_validators = []
# generate the validators
if "min" in setting.extra:
# Min number validator
if setting.value_type in ("integer", "float"):
field_validators.append(
validators.NumberRange(min=setting.extra["min"])
)
# Min text length validator
elif setting.value_type in ("string"):
field_validators.append(
validators.Length(min=setting.extra["min"])
)
if "max" in setting.extra:
# Max number validator
if setting.value_type in ("integer", "float"):
field_validators.append(
validators.NumberRange(max=setting.extra["max"])
)
# Max text length validator
elif setting.value_type in ("string"):
field_validators.append(
validators.Length(max=setting.extra["max"])
)
# Generate the fields based on value_type
# IntegerField
if setting.value_type == "integer":
setattr(
SettingsForm, setting.key,
IntegerField(setting.name, validators=field_validators,
description=setting.description)
)
# FloatField
elif setting.value_type == "float":
setattr(
SettingsForm, setting.key,
FloatField(setting.name, validators=field_validators,
description=setting.description)
)
# TextField
if setting.value_type == "string":
setattr(
SettingsForm, setting.key,
TextField(setting.name, validators=field_validators,
description=setting.description)
)
# SelectMultipleField
if setting.value_type == "selectmultiple":
# if no coerce is found, it will fallback to unicode
if "coerce" in setting.extra:
coerce_to = setting.extra['coerce']
else:
coerce_to = unicode
setattr(
SettingsForm, setting.key,
SelectMultipleField(
setting.name,
choices=setting.extra['choices'](),
coerce=coerce_to,
description=setting.description
)
)
# SelectField
if setting.value_type == "select":
# if no coerce is found, it will fallback to unicode
if "coerce" in setting.extra:
coerce_to = setting.extra['coerce']
else:
coerce_to = unicode
setattr(
SettingsForm, setting.key,
SelectField(
setting.name,
coerce=coerce_to,
choices=setting.extra['choices'](),
description=setting.description)
)
# BooleanField
if setting.value_type == "boolean":
setattr(
SettingsForm, setting.key,
BooleanField(setting.name, description=setting.description)
)
return SettingsForm
@classmethod
def get_all(cls):
return cls.query.all()
@classmethod
def update(cls, settings, app=None):
"""Updates the cache and stores the changes in the
database.
:param settings: A dictionary with setting items.
"""
# update the database
for key, value in settings.iteritems():
setting = cls.query.filter(Setting.key == key.lower()).first()
setting.value = value
db.session.add(setting)
db.session.commit()
cls.invalidate_cache()
@classmethod
def get_settings(cls, from_group=None):
"""This will return all settings with the key as the key for the dict
and the values are packed again in a dict which contains
the remaining attributes.
:param from_group: Optionally - Returns only the settings from a group.
"""
result = None
if from_group is not None:
result = from_group.settings
else:
result = cls.query.all()
settings = {}
for setting in result:
settings[setting.key] = {
'name': setting.name,
'description': setting.description,
'value': setting.value,
'value_type': setting.value_type,
'extra': setting.extra
}
return settings
@classmethod
@cache.memoize(timeout=sys.maxint)
def as_dict(cls, from_group=None, upper=True):
"""Returns all settings as a dict. This method is cached. If you want
to invalidate the cache, simply execute ``self.invalidate_cache()``.
:param from_group: Returns only the settings from the group as a dict.
:param upper: If upper is ``True``, the key will use upper-case
letters. Defaults to ``False``.
"""
settings = {}
result = None
if from_group is not None:
result = SettingsGroup.query.filter_by(key=from_group).\
first_or_404()
result = result.settings
else:
result = cls.query.all()
for setting in result:
if upper:
setting_key = setting.key.upper()
else:
setting_key = setting.key
settings[setting_key] = setting.value
return settings
@classmethod
def invalidate_cache(cls):
"""Invalidates this objects cached metadata."""
cache.delete_memoized(cls.as_dict, cls)
def save(self):
"""Saves a setting"""
db.session.add(self)
db.session.commit()
def delete(self):
"""Deletes a setting"""
db.session.delete(self)
db.session.commit()
class Setting(db.Model, CRUDMixin):
__tablename__ = "settings"
key = db.Column(db.String(255), primary_key=True)
value = db.Column(db.PickleType, nullable=False)
settingsgroup = db.Column(db.String(255),
db.ForeignKey('settingsgroup.key',
use_alter=True,
name="fk_settingsgroup"),
nullable=False)
# The name (displayed in the form)
name = db.Column(db.String(200), nullable=False)
# The description (displayed in the form)
description = db.Column(db.Text, nullable=False)
# Available types: string, integer, float, boolean, select, selectmultiple
value_type = db.Column(db.Enum(SettingValueType), nullable=False)
# Extra attributes like, validation things (min, max length...)
# For Select*Fields required: choices
extra = db.Column(db.PickleType)
@classmethod
def get_form(cls, group):
"""Returns a Form for all settings found in :class:`SettingsGroup`.
:param group: The settingsgroup name. It is used to get the settings
which are in the specified group.
"""
return generate_settings_form(settings=group.settings)
@classmethod
def get_all(cls):
return cls.query.all()
@classmethod
def update(cls, settings, app=None):
"""Updates the cache and stores the changes in the
database.
:param settings: A dictionary with setting items.
"""
# update the database
for key, value in iteritems(settings):
setting = cls.query.filter(Setting.key == key.lower()).first()
setting.value = value
db.session.add(setting)
db.session.commit()
cls.invalidate_cache()
@classmethod
def get_settings(cls, from_group=None):
"""This will return all settings with the key as the key for the dict
and the values are packed again in a dict which contains
the remaining attributes.
:param from_group: Optionally - Returns only the settings from a group.
"""
result = None
if from_group is not None:
result = from_group.settings
else:
result = cls.query.all()
settings = {}
for setting in result:
settings[setting.key] = setting.value
return settings
@classmethod
@cache.cached(key_prefix="settings")
def as_dict(cls, from_group=None, upper=True):
"""Returns all settings as a dict. This method is cached. If you want
to invalidate the cache, simply execute ``self.invalidate_cache()``.
:param from_group: Returns only the settings from the group as a dict.
:param upper: If upper is ``True``, the key will use upper-case
letters. Defaults to ``False``.
"""
settings = {}
result = None
if from_group is not None:
result = SettingsGroup.query.filter_by(key=from_group).\
first_or_404()
result = result.settings
else:
result = cls.query.all()
for setting in result:
if upper:
setting_key = setting.key.upper()
else:
setting_key = setting.key
settings[setting_key] = setting.value
return settings
@classmethod
def invalidate_cache(cls):
"""Invalidates this objects cached metadata."""
cache.delete_memoized(cls.as_dict, cls)
class Group(db.Model, CRUDMixin):
__tablename__ = "groups"
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(255), unique=True, nullable=False)
description = db.Column(db.Text, nullable=True)
# Group types
admin = db.Column(db.Boolean, default=False, nullable=False)
super_mod = db.Column(db.Boolean, default=False, nullable=False)
mod = db.Column(db.Boolean, default=False, nullable=False)
guest = db.Column(db.Boolean, default=False, nullable=False)
banned = db.Column(db.Boolean, default=False, nullable=False)
# Hub permissions
onyx_base = db.Column(db.Boolean, default=False, nullable=False)
onyx_additional = db.Column(db.Boolean, default=False, nullable=False)
onyx_management = db.Column(db.Boolean, default=False, nullable=False)
dragon_base = db.Column(db.Boolean, default=False, nullable=False)
dragon_additional = db.Column(db.Boolean, default=False, nullable=False)
dragon_management = db.Column(db.Boolean, default=False, nullable=False)
eos_base = db.Column(db.Boolean, default=False, nullable=False)
eos_additional = db.Column(db.Boolean, default=False, nullable=False)
eos_management = db.Column(db.Boolean, default=False, nullable=False)
# Moderator permissions (only available when the user a moderator)
mod_edituser = db.Column(db.Boolean, default=False, nullable=False)
mod_banuser = db.Column(db.Boolean, default=False, nullable=False)
# User permissions
editpost = db.Column(db.Boolean, default=True, nullable=False)
deletepost = db.Column(db.Boolean, default=False, nullable=False)
deletetopic = db.Column(db.Boolean, default=False, nullable=False)
posttopic = db.Column(db.Boolean, default=True, nullable=False)
postreply = db.Column(db.Boolean, default=True, nullable=False)
viewhidden = db.Column(db.Boolean, default=False, nullable=False)
makehidden = db.Column(db.Boolean, default=False, nullable=False)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {} {}>".format(self.__class__.__name__, self.id, self.name)
@classmethod
def selectable_groups_choices(cls):
return Group.query.order_by(Group.name.asc()).with_entities(
Group.id, Group.name).all()
@classmethod
def get_guest_group(cls):
return cls.query.filter(cls.guest == True).first()
@classmethod
def get_member_group(cls):
"""Returns the first member group."""
# This feels ugly..
return cls.query.filter(cls.id == 4).first()
def save(self):
User.invalidate_cache_for_all() # for a case if we changed permissions
super().save()
class Forum(db.Model):
__tablename__ = "forums"
__searchable__ = ['title', 'description']
id = db.Column(db.Integer, primary_key=True)
category_id = db.Column(db.Integer,
db.ForeignKey("categories.id"),
nullable=False)
title = db.Column(db.String(255), nullable=False)
description = db.Column(db.Text)
position = db.Column(db.Integer, default=1, nullable=False)
locked = db.Column(db.Boolean, default=False, nullable=False)
show_moderators = db.Column(db.Boolean, default=False, nullable=False)
external = db.Column(db.String(200))
post_count = db.Column(db.Integer, default=0, nullable=False)
topic_count = db.Column(db.Integer, default=0, nullable=False)
# One-to-one
last_post_id = db.Column(db.Integer, db.ForeignKey("posts.id"))
last_post = db.relationship("Post",
backref="last_post_forum",
uselist=False,
foreign_keys=[last_post_id])
# Not nice, but needed to improve the performance
last_post_title = db.Column(db.String(255))
last_post_user_id = db.Column(db.Integer, db.ForeignKey("users.id"))
last_post_username = db.Column(db.String(255))
last_post_created = db.Column(db.DateTime, default=datetime.utcnow())
# One-to-many
topics = db.relationship("Topic",
backref="forum",
lazy="dynamic",
cascade="all, delete-orphan")
# Many-to-many
moderators = \
db.relationship("User", secondary=moderators,
primaryjoin=(moderators.c.forum_id == id),
backref=db.backref("forummoderator", lazy="dynamic"),
lazy="joined")
# Properties
@property
def slug(self):
"""Returns a slugified version from the forum title"""
return slugify(self.title)
@property
def url(self):
"""Returns the slugified url for the forum"""
if self.external:
return self.external
return url_for("forum.view_forum", forum_id=self.id, slug=self.slug)
@property
def last_post_url(self):
"""Returns the url for the last post in the forum"""
return url_for("forum.view_post", post_id=self.last_post_id)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def update_last_post(self):
"""Updates the last post in the forum."""
last_post = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.id).\
order_by(Post.date_created.desc()).\
first()
# Last post is none when there are no topics in the forum
if last_post is not None:
# a new last post was found in the forum
if not last_post.id == self.last_post_id:
self.last_post_id = last_post.id
# No post found..
else:
self.last_post_id = None
db.session.commit()
def update_read(self, user, forumsread, topicsread):
"""Updates the ForumsRead status for the user. In order to work
correctly, be sure that `topicsread is **not** `None`.
:param user: The user for whom we should check if he has read the
forum.
:param forumsread: The forumsread object. It is needed to check if
if the forum is unread. If `forumsread` is `None`
and the forum is unread, it will create a new entry
in the `ForumsRead` relation, else (and the forum
is still unread) we are just going to update the
entry in the `ForumsRead` relation.
:param topicsread: The topicsread object is used in combination
with the forumsread object to check if the
forumsread relation should be updated and
therefore is unread.
"""
if not user.is_authenticated() or topicsread is None:
return False
read_cutoff = None
if flaskbb_config['TRACKER_LENGTH'] > 0:
read_cutoff = datetime.utcnow() - timedelta(
days=flaskbb_config['TRACKER_LENGTH'])
# fetch the unread posts in the forum
unread_count = Topic.query.\
outerjoin(TopicsRead,
db.and_(TopicsRead.topic_id == Topic.id,
TopicsRead.user_id == user.id)).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == Topic.forum_id,
ForumsRead.user_id == user.id)).\
filter(Topic.forum_id == self.id,
Topic.last_updated > read_cutoff,
db.or_(TopicsRead.last_read == None,
TopicsRead.last_read < Topic.last_updated)).\
count()
# No unread topics available - trying to mark the forum as read
if unread_count == 0:
if forumsread and forumsread.last_read > topicsread.last_read:
return False
# ForumRead Entry exists - Updating it because a new topic/post
# has been submitted and has read everything (obviously, else the
# unread_count would be useless).
elif forumsread:
forumsread.last_read = datetime.utcnow()
forumsread.save()
return True
# No ForumRead Entry existing - creating one.
forumsread = ForumsRead()
forumsread.user_id = user.id
forumsread.forum_id = self.id
forumsread.last_read = datetime.utcnow()
forumsread.save()
return True
# Nothing updated, because there are still more than 0 unread topicsread
return False
def save(self, moderators=None):
"""Saves a forum"""
if moderators is not None:
for moderator in self.moderators:
self.moderators.remove(moderator)
db.session.commit()
for moderator in moderators:
if moderator:
self.moderators.append(moderator)
db.session.add(self)
db.session.commit()
return self
def delete(self, users=None):
"""Deletes forum. If a list with involved user objects is passed,
it will also update their post counts
:param users: A list with user objects
"""
# Delete the forum
db.session.delete(self)
db.session.commit()
# Delete the entries for the forum in the ForumsRead and TopicsRead
# relation
ForumsRead.query.filter_by(forum_id=self.id).delete()
TopicsRead.query.filter_by(forum_id=self.id).delete()
# Update the users post count
if users:
users_list = []
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
users_list.append(user)
db.session.add_all(users_list)
db.session.commit()
return self
# Classmethods
@classmethod
def get_forum(cls, forum_id, user):
"""Returns the forum and forumsread object as a tuple for the user.
:param forum_id: The forum id
:param user: The user object is needed to check if we also need their
forumsread object.
"""
if user.is_authenticated():
forum, forumsread = Forum.query.\
filter(Forum.id == forum_id).\
options(db.joinedload("category")).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == Forum.id,
ForumsRead.user_id == user.id)).\
add_entity(ForumsRead).\
first_or_404()
else:
forum = Forum.query.filter(Forum.id == forum_id).first_or_404()
forumsread = None
return forum, forumsread
@classmethod
def get_topics(cls, forum_id, user, page=1, per_page=20):
"""Get the topics for the forum. If the user is logged in,
it will perform an outerjoin for the topics with the topicsread and
forumsread relation to check if it is read or unread.
:param forum_id: The forum id
:param user: The user object
:param page: The page whom should be loaded
:param per_page: How many topics per page should be shown
"""
if user.is_authenticated():
topics = Topic.query.filter_by(forum_id=forum_id).\
outerjoin(TopicsRead,
db.and_(TopicsRead.topic_id == Topic.id,
TopicsRead.user_id == user.id)).\
add_entity(TopicsRead).\
order_by(Topic.important.desc(), Topic.last_updated.desc()).\
paginate(page, per_page, True)
else:
topics = Topic.query.filter_by(forum_id=forum_id).\
order_by(Topic.important.desc(), Topic.last_updated.desc()).\
paginate(page, per_page, True)
topics.items = [(topic, None) for topic in topics.items]
return topics
class Forum(db.Model):
__tablename__ = "forums"
id = db.Column(db.Integer, primary_key=True)
category_id = db.Column(db.Integer,
db.ForeignKey("categories.id"),
nullable=False)
title = db.Column(db.String(15), nullable=False)
description = db.Column(db.String(255))
position = db.Column(db.Integer, default=1, nullable=False)
locked = db.Column(db.Boolean, default=False, nullable=False)
show_moderators = db.Column(db.Boolean, default=False, nullable=False)
external = db.Column(db.String(63))
post_count = db.Column(db.Integer, default=0, nullable=False)
topic_count = db.Column(db.Integer, default=0, nullable=False)
# One-to-one
last_post_id = db.Column(db.Integer, db.ForeignKey("posts.id"))
last_post = db.relationship("Post",
backref="last_post_forum",
uselist=False,
foreign_keys=[last_post_id])
# One-to-many
topics = db.relationship("Topic",
backref="forum",
lazy="joined",
cascade="all, delete-orphan")
# Many-to-many
moderators = \
db.relationship("User", secondary=moderators,
primaryjoin=(moderators.c.forum_id == id),
backref=db.backref("forummoderator", lazy="dynamic"),
lazy="joined")
# Properties
@property
def slug(self):
"""Returns a slugified version from the forum title"""
return slugify(self.title)
@property
def url(self):
"""Returns the url for the forum"""
return url_for("forum.view_forum", forum_id=self.id, slug=self.slug)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def update_last_post(self):
"""Updates the last post. This is useful if you move a topic
in another forum
"""
last_post = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.id).\
order_by(Post.date_created.desc()).\
first()
# Last post is none when there are no topics in the forum
if last_post is not None:
# a new last post was found in the forum
if not last_post.id == self.last_post_id:
self.last_post_id = last_post.id
# No post found..
else:
self.last_post_id = 0
db.session.commit()
def save(self, moderators=None):
"""Saves a forum"""
if moderators is not None:
for moderator in self.moderators:
self.moderators.remove(moderator)
db.session.commit()
for moderator in moderators:
if moderator:
self.moderators.append(moderator)
db.session.add(self)
db.session.commit()
return self
def delete(self, users=None):
"""Deletes forum. If a list with involved user objects is passed,
it will also update their post counts
:param users: A list with user objects
"""
# Delete the forum
db.session.delete(self)
db.session.commit()
# Delete all entries from the ForumsRead and TopicsRead relation
ForumsRead.query.filter_by(forum_id=self.id).delete()
TopicsRead.query.filter_by(forum_id=self.id).delete()
# Update the users post count
if users:
users_list = []
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
users_list.append(user)
db.session.add_all(users_list)
db.session.commit()
return self
class Topic(db.Model):
__tablename__ = "topics"
query_class = TopicQuery
id = db.Column(db.Integer, primary_key=True)
forum_id = db.Column(db.Integer,
db.ForeignKey("forums.id",
use_alter=True,
name="fk_topic_forum_id"),
nullable=False)
title = db.Column(db.String(63), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"))
username = db.Column(db.String(15), nullable=False)
date_created = db.Column(db.DateTime, default=datetime.utcnow())
last_updated = db.Column(db.DateTime, default=datetime.utcnow())
locked = db.Column(db.Boolean, default=False)
important = db.Column(db.Boolean, default=False)
views = db.Column(db.Integer, default=0)
post_count = db.Column(db.Integer, default=0)
# One-to-one (uselist=False) relationship between first_post and topic
first_post_id = db.Column(db.Integer,
db.ForeignKey("posts.id", ondelete="CASCADE"))
first_post = db.relationship("Post",
backref="first_post",
uselist=False,
foreign_keys=[first_post_id])
# One-to-one
last_post_id = db.Column(db.Integer, db.ForeignKey("posts.id"))
last_post = db.relationship("Post",
backref="last_post",
uselist=False,
foreign_keys=[last_post_id])
# One-to-many
posts = db.relationship("Post",
backref="topic",
lazy="joined",
primaryjoin="Post.topic_id == Topic.id",
cascade="all, delete-orphan",
post_update=True)
# Properties
@property
def second_last_post(self):
"""Returns the second last post."""
return self.posts[-2].id
@property
def slug(self):
"""Returns a slugified version from the topic title"""
return slugify(self.title)
@property
def url(self):
"""Returns the url for the topic"""
return url_for("forum.view_topic", topic_id=self.id, slug=self.slug)
# Methods
def __init__(self, title=None):
if title:
self.title = title
def __repr__(self):
"""
Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def move(self, forum):
"""Moves a topic to the given forum.
Returns True if it could successfully move the topic to forum.
:param forum: The new forum for the topic
"""
# if the target forum is the current forum, abort
if self.forum_id == forum.id:
return False
old_forum = self.forum
self.forum.post_count -= self.post_count
self.forum.topic_count -= 1
self.forum_id = forum.id
forum.post_count += self.post_count
forum.topic_count += 1
db.session.commit()
forum.update_last_post()
old_forum.update_last_post()
TopicsRead.query.filter_by(topic_id=self.id).delete()
return True
def save(self, user=None, forum=None, post=None):
"""Saves a topic and returns the topic object. If no parameters are
given, it will only update the topic.
:param user: The user who has created the topic
:param forum: The forum where the topic is stored
:param post: The post object which is connected to the topic
"""
# Updates the topic
if self.id:
db.session.add(self)
db.session.commit()
return self
# Set the forum and user id
self.forum_id = forum.id
self.user_id = user.id
self.username = user.username
# Insert and commit the topic
db.session.add(self)
db.session.commit()
# Create the topic post
post.save(user, self)
# Update the first post id
self.first_post_id = post.id
# Update the topic count
forum.topic_count += 1
db.session.commit()
return self
def delete(self, users=None):
"""Deletes a topic with the corresponding posts. If a list with
user objects is passed it will also update their post counts
:param users: A list with user objects
"""
# Grab the second last topic in the forum + parents/childs
topic = Topic.query.\
filter_by(forum_id=self.forum_id).\
order_by(Topic.last_post_id.desc()).limit(2).offset(0).all()
# do want to delete the topic with the last post?
if topic and topic[0].id == self.id:
try:
# Now the second last post will be the last post
self.forum.last_post_id = topic[1].last_post_id
# Catch an IndexError when you delete the last topic in the forum
except IndexError:
self.forum.last_post_id = None
# These things needs to be stored in a variable before they are deleted
forum = self.forum
# Delete the topic
db.session.delete(self)
db.session.commit()
# Update the post counts
if users:
for user in users:
user.post_count = Post.query.filter_by(user_id=user.id).count()
db.session.commit()
forum.topic_count = Topic.query.\
filter_by(forum_id=self.forum_id).\
count()
forum.post_count = Post.query.\
filter(Post.topic_id == Topic.id,
Topic.forum_id == self.forum_id).\
count()
TopicsRead.query.filter_by(topic_id=self.id).delete()
db.session.commit()
return self
def update_read(self, user, forum, forumsread=None):
"""Update the topics read status if the user hasn't read the latest
post.
:param user: The user for whom the readstracker should be updated
:param forum: The forum in which the topic is
:param forumsread: The forumsread object. It is used to check if there
is a new post since the forum has been marked as
read
"""
read_cutoff = datetime.utcnow() - timedelta(
days=current_app.config['TRACKER_LENGTH'])
# Anonymous User or the post is too old for inserting it in the
# TopicsRead model
if not user.is_authenticated() or \
read_cutoff > self.last_post.date_created:
return
topicread = TopicsRead.query.\
filter(TopicsRead.user_id == user.id,
TopicsRead.topic_id == self.id).first()
# Can be None if the user has never marked the forum as read. If this
# condition is false - we need to update the tracker
if forumsread and forumsread.cleared is not None and \
forumsread.cleared >= self.last_post.date_created:
return
# A new post has been submitted that the user hasn't read.
# Updating...
if topicread and (topicread.last_read < self.last_post.date_created):
topicread.last_read = datetime.utcnow()
topicread.save()
# The user has not visited the topic before. Inserting him in
# the TopicsRead model.
elif not topicread:
topicread = TopicsRead()
topicread.user_id = user.id
topicread.topic_id = self.id
topicread.forum_id = self.forum_id
topicread.last_read = datetime.utcnow()
topicread.save()
# else: no unread posts
if forum:
# fetch the unread posts in the forum
unread_count = Topic.query.\
outerjoin(TopicsRead,
db.and_(TopicsRead.topic_id == Topic.id,
TopicsRead.user_id == user.id)).\
outerjoin(ForumsRead,
db.and_(ForumsRead.forum_id == Topic.forum_id,
ForumsRead.user_id == user.id)).\
filter(Topic.forum_id == forum.id,
db.or_(TopicsRead.last_read == None,
TopicsRead.last_read < Topic.last_updated)).\
count()
# No unread topics available - trying to mark the forum as read
if unread_count == 0:
forumread = ForumsRead.query.\
filter(ForumsRead.user_id == user.id,
ForumsRead.forum_id == forum.id).first()
# ForumsRead is already up-to-date.
if forumread and forumread.last_read > topicread.last_read:
return
# ForumRead Entry exists - Updating it because a new post
# has been submitted that the user hasn't read.
elif forumread:
forumread.last_read = datetime.utcnow()
forumread.save()
# No ForumRead Entry existing - creating one.
else:
forumread = ForumsRead()
forumread.user_id = user.id
forumread.forum_id = forum.id
forumread.last_read = datetime.utcnow()
forumread.save()
class Post(db.Model):
__tablename__ = "posts"
id = db.Column(db.Integer, primary_key=True)
topic_id = db.Column(db.Integer,
db.ForeignKey("topics.id",
use_alter=True,
name="fk_post_topic_id",
ondelete="CASCADE"),
nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
username = db.Column(db.String(15), nullable=False)
content = db.Column(db.Text, nullable=False)
date_created = db.Column(db.DateTime, default=datetime.utcnow())
date_modified = db.Column(db.DateTime)
modified_by = db.Column(db.String(15))
# Properties
@property
def url(self):
"""Returns the url for the post"""
return url_for("forum.view_post", post_id=self.id)
# Methods
def __repr__(self):
"""
Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def save(self, user=None, topic=None):
"""Saves a new post. If no parameters are passed we assume that
you will just update an existing post. It returns the object after the
operation was successful.
:param user: The user who has created the post
:param topic: The topic in which the post was created
"""
# update/edit the post
if self.id:
db.session.add(self)
db.session.commit()
return self
# Adding a new post
if user and topic:
self.user_id = user.id
self.username = user.username
self.topic_id = topic.id
self.date_created = datetime.utcnow()
# This needs to be done before I update the last_post_id.
db.session.add(self)
db.session.commit()
# Now lets update the last post id
topic.last_post_id = self.id
topic.forum.last_post_id = self.id
# Update the post counts
user.post_count += 1
topic.post_count += 1
topic.forum.post_count += 1
# And commit it!
db.session.add(topic)
db.session.commit()
return self
def delete(self):
"""Deletes a post and returns self"""
# This will delete the whole topic
if self.topic.first_post_id == self.id:
self.topic.delete()
return self
# Delete the last post
if self.topic.last_post_id == self.id:
# Now the second last post will be the last post
self.topic.last_post_id = self.topic.second_last_post
# check if the last_post is also the last post in the forum
if self.topic.last_post_id == self.id:
self.topic.last_post_id = self.topic.second_last_post
self.topic.forum.last_post_id = self.topic.second_last_post
db.session.commit()
# Update the post counts
self.user.post_count -= 1
self.topic.post_count -= 1
self.topic.forum.post_count -= 1
db.session.delete(self)
db.session.commit()
return self
class Conversation(db.Model, CRUDMixin):
__tablename__ = "conversations"
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey("users.id"), nullable=False)
from_user_id = db.Column(db.Integer,
db.ForeignKey("users.id"),
nullable=True)
to_user_id = db.Column(db.Integer,
db.ForeignKey("users.id"),
nullable=True)
shared_id = db.Column(UUIDType, nullable=False)
subject = db.Column(db.String(255), nullable=True)
date_created = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=False)
date_modified = db.Column(UTCDateTime(timezone=True),
default=time_utcnow,
nullable=False)
trash = db.Column(db.Boolean, default=False, nullable=False)
draft = db.Column(db.Boolean, default=False, nullable=False)
unread = db.Column(db.Boolean, default=False, nullable=False)
messages = db.relationship(
"Message",
lazy="joined",
backref="conversation",
primaryjoin="Message.conversation_id == Conversation.id",
order_by="asc(Message.id)",
cascade="all, delete-orphan")
# this is actually the users message box
user = db.relationship("User", lazy="joined", foreign_keys=[user_id])
# the user to whom the conversation is addressed
to_user = db.relationship("User", lazy="joined", foreign_keys=[to_user_id])
# the user who sent the message
from_user = db.relationship("User",
lazy="joined",
foreign_keys=[from_user_id])
@property
def first_message(self):
"""Returns the first message object."""
return self.messages[0]
@property
def last_message(self):
"""Returns the last message object."""
return self.messages[-1]
def save(self, message=None):
"""Saves a conversation and returns the saved conversation object.
:param message: If given, it will also save the message for the
conversation. It expects a Message object.
"""
if message is not None:
# create the conversation
self.date_created = time_utcnow()
db.session.add(self)
db.session.commit()
# create the actual message for the conversation
message.save(self)
return self
self.date_modified = time_utcnow()
db.session.add(self)
db.session.commit()
return self
class User(db.Model, UserMixin, CRUDMixin):
__tablename__ = "users"
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(200), unique=True, nullable=False)
email = db.Column(db.String(200), unique=True, nullable=False)
_password = db.Column('password', db.String(120), nullable=False)
date_joined = db.Column(UTCDateTime(timezone=True), default=time_utcnow)
lastseen = db.Column(UTCDateTime(timezone=True), default=time_utcnow)
birthday = db.Column(UTCDateTime(timezone=True))
gender = db.Column(db.String(10))
website = db.Column(db.String(200))
location = db.Column(db.String(100))
signature = db.Column(db.Text)
avatar = db.Column(db.String(200))
notes = db.Column(db.Text)
last_failed_login = db.Column(UTCDateTime(timezone=True))
login_attempts = db.Column(db.Integer, default=0)
activated = db.Column(db.Boolean, default=False)
theme = db.Column(db.String(15))
language = db.Column(db.String(15), default="en")
posts = db.relationship("Post", backref="user", lazy="dynamic")
topics = db.relationship("Topic", backref="user", lazy="dynamic")
post_count = db.Column(db.Integer, default=0)
primary_group_id = db.Column(db.Integer, db.ForeignKey('groups.id'),
nullable=False)
primary_group = db.relationship('Group', lazy="joined",
backref="user_group", uselist=False,
foreign_keys=[primary_group_id])
secondary_groups = \
db.relationship('Group',
secondary=groups_users,
primaryjoin=(groups_users.c.user_id == id),
backref=db.backref('users', lazy='dynamic'),
lazy='dynamic')
tracked_topics = \
db.relationship("Topic", secondary=topictracker,
primaryjoin=(topictracker.c.user_id == id),
backref=db.backref("topicstracked", lazy="dynamic"),
lazy="dynamic")
# Properties
@property
def is_active(self):
"""Returns the state of the account.
If the ``ACTIVATE_ACCOUNT`` option has been disabled, it will always
return ``True``. Is the option activated, it will, depending on the
state of the account, either return ``True`` or ``False``.
"""
if flaskbb_config["ACTIVATE_ACCOUNT"]:
if self.activated:
return True
return False
return True
@property
def last_post(self):
"""Returns the latest post from the user."""
return Post.query.filter(Post.user_id == self.id).\
order_by(Post.date_created.desc()).first()
@property
def url(self):
"""Returns the url for the user."""
return url_for("user.profile", username=self.username)
@property
def permissions(self):
"""Returns the permissions for the user."""
return self.get_permissions()
@property
def groups(self):
"""Returns the user groups."""
return self.get_groups()
@property
def unread_messages(self):
"""Returns the unread messages for the user."""
return self.get_unread_messages()
@property
def unread_count(self):
"""Returns the unread message count for the user."""
return len(self.unread_messages)
@property
def days_registered(self):
"""Returns the amount of days the user is registered."""
days_registered = (time_utcnow() - self.date_joined).days
if not days_registered:
return 1
return days_registered
@property
def topic_count(self):
"""Returns the thread count."""
return Topic.query.filter(Topic.user_id == self.id).count()
@property
def posts_per_day(self):
"""Returns the posts per day count."""
return round((float(self.post_count) / float(self.days_registered)), 1)
@property
def topics_per_day(self):
"""Returns the topics per day count."""
return round(
(float(self.topic_count) / float(self.days_registered)), 1
)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.username)
def _get_password(self):
"""Returns the hashed password."""
return self._password
def _set_password(self, password):
"""Generates a password hash for the provided password."""
if not password:
return
self._password = generate_password_hash(password)
# Hide password encryption by exposing password field only.
password = db.synonym('_password',
descriptor=property(_get_password,
_set_password))
def check_password(self, password):
"""Check passwords. If passwords match it returns true, else false."""
if self.password is None:
return False
return check_password_hash(self.password, password)
@classmethod
def authenticate(cls, login, password):
"""A classmethod for authenticating users.
It returns the user object if the user/password combination is ok.
If the user has entered too often a wrong password, he will be locked
out of his account for a specified time.
:param login: This can be either a username or a email address.
:param password: The password that is connected to username and email.
"""
user = cls.query.filter(db.or_(User.username == login,
User.email == login)).first()
if user is not None:
if user.check_password(password):
# reset them after a successful login attempt
user.login_attempts = 0
user.save()
return user
# user exists, wrong password
# never had a bad login before
if user.login_attempts is None:
user.login_attempts = 1
else:
user.login_attempts += 1
user.last_failed_login = time_utcnow()
user.save()
# protection against account enumeration timing attacks
check_password_hash("dummy password", password)
raise AuthenticationError
def recalculate(self):
"""Recalculates the post count from the user."""
post_count = Post.query.filter_by(user_id=self.id).count()
self.post_count = post_count
self.save()
return self
def all_topics(self, page):
"""Returns a paginated result with all topics the user has created."""
return Topic.query.\
filter(Topic.user_id == self.id,
Topic.id == Post.topic_id).\
order_by(Post.id.desc()).\
paginate(page, flaskbb_config['TOPICS_PER_PAGE'], False)
def all_posts(self, page):
"""Returns a paginated result with all posts the user has created."""
return Post.query.\
filter(Post.user_id == self.id).\
order_by(Post.id.desc()).\
paginate(page, flaskbb_config['TOPICS_PER_PAGE'], False)
def track_topic(self, topic):
"""Tracks the specified topic.
:param topic: The topic which should be added to the topic tracker.
"""
if not self.is_tracking_topic(topic):
self.tracked_topics.append(topic)
return self
def untrack_topic(self, topic):
"""Untracks the specified topic.
:param topic: The topic which should be removed from the
topic tracker.
"""
if self.is_tracking_topic(topic):
self.tracked_topics.remove(topic)
return self
def is_tracking_topic(self, topic):
"""Checks if the user is already tracking this topic.
:param topic: The topic which should be checked.
"""
return self.tracked_topics.filter(
topictracker.c.topic_id == topic.id).count() > 0
def add_to_group(self, group):
"""Adds the user to the `group` if he isn't in it.
:param group: The group which should be added to the user.
"""
if not self.in_group(group):
self.secondary_groups.append(group)
return self
def remove_from_group(self, group):
"""Removes the user from the `group` if he is in it.
:param group: The group which should be removed from the user.
"""
if self.in_group(group):
self.secondary_groups.remove(group)
return self
def in_group(self, group):
"""Returns True if the user is in the specified group.
:param group: The group which should be checked.
"""
return self.secondary_groups.filter(
groups_users.c.group_id == group.id).count() > 0
@cache.memoize(timeout=max_integer)
def get_groups(self):
"""Returns all the groups the user is in."""
return [self.primary_group] + list(self.secondary_groups)
@cache.memoize(timeout=max_integer)
def get_permissions(self, exclude=None):
"""Returns a dictionary with all permissions the user has"""
if exclude:
exclude = set(exclude)
else:
exclude = set()
exclude.update(['id', 'name', 'description'])
perms = {}
# Get the Guest group
for group in self.groups:
columns = set(group.__table__.columns.keys()) - set(exclude)
for c in columns:
perms[c] = getattr(group, c) or perms.get(c, False)
return perms
@cache.memoize(timeout=max_integer)
def get_unread_messages(self):
"""Returns all unread messages for the user."""
unread_messages = Conversation.query.\
filter(Conversation.unread, Conversation.user_id == self.id).all()
return unread_messages
def invalidate_cache(self, permissions=True, messages=True):
"""Invalidates this objects cached metadata.
:param permissions_only: If set to ``True`` it will only invalidate
the permissions cache. Otherwise it will
also invalidate the user's unread message
cache.
"""
if messages:
cache.delete_memoized(self.get_unread_messages, self)
if permissions:
cache.delete_memoized(self.get_permissions, self)
cache.delete_memoized(self.get_groups, self)
def ban(self):
"""Bans the user. Returns True upon success."""
if not self.get_permissions()['banned']:
banned_group = Group.query.filter(
Group.banned == True
).first()
self.primary_group_id = banned_group.id
self.save()
self.invalidate_cache()
return True
return False
def unban(self):
"""Unbans the user. Returns True upon success."""
if self.get_permissions()['banned']:
member_group = Group.query.filter(
Group.admin == False,
Group.super_mod == False,
Group.mod == False,
Group.guest == False,
Group.banned == False
).first()
self.primary_group_id = member_group.id
self.save()
self.invalidate_cache()
return True
return False
def save(self, groups=None):
"""Saves a user. If a list with groups is provided, it will add those
to the secondary groups from the user.
:param groups: A list with groups that should be added to the
secondary groups from user.
"""
if groups is not None:
# TODO: Only remove/add groups that are selected
secondary_groups = self.secondary_groups.all()
for group in secondary_groups:
self.remove_from_group(group)
db.session.commit()
for group in groups:
# Do not add the primary group to the secondary groups
if group.id == self.primary_group_id:
continue
self.add_to_group(group)
self.invalidate_cache()
db.session.add(self)
db.session.commit()
return self
def delete(self):
"""Deletes the User."""
# This isn't done automatically...
Conversation.query.filter_by(user_id=self.id).delete()
ForumsRead.query.filter_by(user_id=self.id).delete()
TopicsRead.query.filter_by(user_id=self.id).delete()
# This should actually be handeld by the dbms.. but dunno why it doesnt
# work here
from flaskbb.forum.models import Forum
last_post_forums = Forum.query.\
filter_by(last_post_user_id=self.id).all()
for forum in last_post_forums:
forum.last_post_user_id = None
forum.save()
db.session.delete(self)
db.session.commit()
return self
class User(db.Model, UserMixin, CRUDMixin):
__tablename__ = "users"
__searchable__ = ['username', 'email']
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(200), unique=True, nullable=False)
email = db.Column(db.String(200), unique=True, nullable=False)
_password = db.Column('password', db.String(120), nullable=False)
date_joined = db.Column(db.DateTime, default=datetime.utcnow())
lastseen = db.Column(db.DateTime, default=datetime.utcnow())
birthday = db.Column(db.DateTime)
gender = db.Column(db.String(10))
website = db.Column(db.String(200))
location = db.Column(db.String(100))
signature = db.Column(db.Text)
avatar = db.Column(db.String(200))
notes = db.Column(db.Text)
theme = db.Column(db.String(15))
language = db.Column(db.String(15), default="en")
posts = db.relationship("Post", backref="user", lazy="dynamic")
topics = db.relationship("Topic", backref="user", lazy="dynamic")
post_count = db.Column(db.Integer, default=0)
primary_group_id = db.Column(db.Integer,
db.ForeignKey('groups.id'),
nullable=False)
primary_group = db.relationship('Group',
lazy="joined",
backref="user_group",
uselist=False,
foreign_keys=[primary_group_id])
secondary_groups = \
db.relationship('Group',
secondary=groups_users,
primaryjoin=(groups_users.c.user_id == id),
backref=db.backref('users', lazy='dynamic'),
lazy='dynamic')
tracked_topics = \
db.relationship("Topic", secondary=topictracker,
primaryjoin=(topictracker.c.user_id == id),
backref=db.backref("topicstracked", lazy="dynamic"),
lazy="dynamic")
# Properties
@property
def last_post(self):
"""Returns the latest post from the user"""
return Post.query.filter(Post.user_id == self.id).\
order_by(Post.date_created.desc()).first()
@property
def url(self):
"""Returns the url for the user"""
return url_for("user.profile", username=self.username)
@property
def permissions(self):
"""Returns the permissions for the user"""
return self.get_permissions()
@property
def groups(self):
"""Returns user groups"""
return self.get_groups()
@property
def days_registered(self):
"""Returns the amount of days the user is registered."""
days_registered = (datetime.utcnow() - self.date_joined).days
if not days_registered:
return 1
return days_registered
@property
def topic_count(self):
"""Returns the thread count"""
return Topic.query.filter(Topic.user_id == self.id).count()
@property
def posts_per_day(self):
"""Returns the posts per day count"""
return round((float(self.post_count) / float(self.days_registered)), 1)
@property
def topics_per_day(self):
"""Returns the topics per day count"""
return round((float(self.topic_count) / float(self.days_registered)),
1)
# Methods
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.username)
def _get_password(self):
"""Returns the hashed password"""
return self._password
def _set_password(self, password):
"""Generates a password hash for the provided password"""
self._password = generate_password_hash(password)
# Hide password encryption by exposing password field only.
password = db.synonym('_password',
descriptor=property(_get_password, _set_password))
def check_password(self, password):
"""Check passwords. If passwords match it returns true, else false"""
if self.password is None:
return False
return check_password_hash(self.password, password)
@classmethod
def authenticate(cls, login, password):
"""A classmethod for authenticating users
It returns true if the user exists and has entered a correct password
:param login: This can be either a username or a email address.
:param password: The password that is connected to username and email.
"""
user = cls.query.filter(
db.or_(User.username == login, User.email == login)).first()
if user:
authenticated = user.check_password(password)
else:
authenticated = False
return user, authenticated
def _make_token(self, data, timeout):
s = Serializer(current_app.config['SECRET_KEY'], timeout)
return s.dumps(data)
def _verify_token(self, token):
s = Serializer(current_app.config['SECRET_KEY'])
data = None
expired, invalid = False, False
try:
data = s.loads(token)
except SignatureExpired:
expired = True
except Exception:
invalid = True
return expired, invalid, data
def make_reset_token(self, expiration=3600):
"""Creates a reset token. The duration can be configured through the
expiration parameter.
:param expiration: The time in seconds how long the token is valid.
"""
return self._make_token({'id': self.id, 'op': 'reset'}, expiration)
def verify_reset_token(self, token):
"""Verifies a reset token. It returns three boolean values based on
the state of the token (expired, invalid, data)
:param token: The reset token that should be checked.
"""
expired, invalid, data = self._verify_token(token)
if data and data.get('id') == self.id and data.get('op') == 'reset':
data = True
else:
data = False
return expired, invalid, data
def recalculate(self):
"""Recalculates the post count from the user."""
post_count = Post.query.filter_by(user_id=self.id).count()
self.post_count = post_count
self.save()
return self
def all_topics(self, page):
"""Returns a paginated result with all topics the user has created."""
return Topic.query.filter(Topic.user_id == self.id).\
filter(Post.topic_id == Topic.id).\
order_by(Post.id.desc()).\
paginate(page, flaskbb_config['TOPICS_PER_PAGE'], False)
def all_posts(self, page):
"""Returns a paginated result with all posts the user has created."""
return Post.query.filter(Post.user_id == self.id).\
paginate(page, flaskbb_config['TOPICS_PER_PAGE'], False)
def track_topic(self, topic):
"""Tracks the specified topic
:param topic: The topic which should be added to the topic tracker.
"""
if not self.is_tracking_topic(topic):
self.tracked_topics.append(topic)
return self
def untrack_topic(self, topic):
"""Untracks the specified topic
:param topic: The topic which should be removed from the
topic tracker.
"""
if self.is_tracking_topic(topic):
self.tracked_topics.remove(topic)
return self
def is_tracking_topic(self, topic):
"""Checks if the user is already tracking this topic
:param topic: The topic which should be checked.
"""
return self.tracked_topics.filter(
topictracker.c.topic_id == topic.id).count() > 0
def add_to_group(self, group):
"""Adds the user to the `group` if he isn't in it.
:param group: The group which should be added to the user.
"""
if not self.in_group(group):
self.secondary_groups.append(group)
return self
def remove_from_group(self, group):
"""Removes the user from the `group` if he is in it.
:param group: The group which should be removed from the user.
"""
if self.in_group(group):
self.secondary_groups.remove(group)
return self
def in_group(self, group):
"""Returns True if the user is in the specified group
:param group: The group which should be checked.
"""
return self.secondary_groups.filter(
groups_users.c.group_id == group.id).count() > 0
@cache.memoize(timeout=max_integer)
def get_groups(self):
"""Returns all the groups the user is in."""
return [self.primary_group] + list(self.secondary_groups)
@cache.memoize(timeout=max_integer)
def get_permissions(self, exclude=None):
"""Returns a dictionary with all the permissions the user has.
:param exclude: a list with excluded permissions. default is None.
"""
exclude = exclude or []
exclude.extend(['id', 'name', 'description'])
perms = {}
groups = self.secondary_groups.all()
groups.append(self.primary_group)
for group in groups:
for c in group.__table__.columns:
# try if the permission already exists in the dictionary
# and if the permission is true, set it to True
try:
if not perms[c.name] and getattr(group, c.name):
perms[c.name] = True
# if the permission doesn't exist in the dictionary
# add it to the dictionary
except KeyError:
# if the permission is in the exclude list,
# skip to the next permission
if c.name in exclude:
continue
perms[c.name] = getattr(group, c.name)
return perms
def invalidate_cache(self):
"""Invalidates this objects cached metadata."""
cache.delete_memoized(self.get_permissions, self)
cache.delete_memoized(self.get_groups, self)
def ban(self):
"""Bans the user. Returns True upon success."""
if not self.get_permissions()['banned']:
banned_group = Group.query.filter(Group.banned == True).first()
self.primary_group_id = banned_group.id
self.save()
self.invalidate_cache()
return True
return False
def unban(self):
"""Unbans the user. Returns True upon success."""
if self.get_permissions()['banned']:
member_group = Group.query.filter(Group.admin == False,
Group.super_mod == False,
Group.mod == False,
Group.guest == False,
Group.banned == False).first()
self.primary_group_id = member_group.id
self.save()
self.invalidate_cache()
return True
return False
def save(self, groups=None):
"""Saves a user. If a list with groups is provided, it will add those
to the secondary groups from the user.
:param groups: A list with groups that should be added to the
secondary groups from user.
"""
if groups is not None:
# TODO: Only remove/add groups that are selected
secondary_groups = self.secondary_groups.all()
for group in secondary_groups:
self.remove_from_group(group)
db.session.commit()
for group in groups:
# Do not add the primary group to the secondary groups
if group.id == self.primary_group_id:
continue
self.add_to_group(group)
self.invalidate_cache()
db.session.add(self)
db.session.commit()
return self
def delete(self):
"""Deletes the User."""
# This isn't done automatically...
Conversation.query.filter_by(user_id=self.id).delete()
ForumsRead.query.filter_by(user_id=self.id).delete()
TopicsRead.query.filter_by(user_id=self.id).delete()
# This should actually be handeld by the dbms.. but dunno why it doesnt
# work here
from flaskbb.forum.models import Forum
last_post_forums = Forum.query.\
filter_by(last_post_user_id=self.id).all()
for forum in last_post_forums:
forum.last_post_user_id = None
forum.save()
db.session.delete(self)
db.session.commit()
return self
class Reminder(db.Model):
__tablename__ = 'reminders'
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(
db.Integer,
db.ForeignKey("users.id",
use_alter=True,
name="fk_reminders_users_id",
ondelete="CASCADE"))
subject = db.Column(db.String(100))
content = db.Column(db.Text, nullable=False)
delta = db.Column(db.Integer, nullable=False)
time = db.Column(db.DateTime, nullable=False)
timezone = db.Column(db.String(50), nullable=False)
def __init__(self, subject, content, delta, time, timezone):
self.subject = subject
self.content = content
self.delta = delta
self.time = time
self.timezone = timezone
# # Properties
# @property
# def url(self):
# """Returns the url for the reminder."""
# return url_for("pet.reminder", username=self.user.username, petname=self.pet.petname)
def __repr__(self):
"""Set to a unique key specific to the object in the database.
Required for cache.memoize() to work across requests.
"""
return "<{} {}>".format(self.__class__.__name__, self.id)
def save(self, user_id=None):
# update/edit the reminder
if self.id:
db.session.add(self)
db.session.commit()
return self
# Adding a new pet
if user_id:
self.user_id = user_id
db.session.add(self)
db.session.commit()
return self
def delete(self):
"""Deletes a reminder and returns self."""
db.session.delete(self)
db.session.commit()
return self
def get_notification_time(self):
remi_time = arrow.get(self.time)
reminder_time = remi_time.replace(minutes=-self.delta)
return reminder_time
