class Follower(Base):
__tablename__ = 'followers'
source_id = db.Column(db.Integer,
db.ForeignKey('users.id'),
primary_key=True)
target_id = db.Column(db.Integer,
db.ForeignKey('users.id'),
primary_key=True)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(self, source_user, target_user):
self.source = source_user
self.target = target_user
self.source_id = source_user.id
self.target_id = target_user.id
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<Follower ~ Source : %i | Target : %i>' % \
(self.source_id, self.target_id)
class PostHashtag(Base):
__tablename__ = 'post_hashtags'
post_id = db.Column(db.Integer,
db.ForeignKey('posts.id'),
primary_key=True)
hashtag_id = db.Column(db.Integer,
db.ForeignKey('hashtags.id'),
primary_key=True)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(self, post_id, hashtag_id):
self.post_id = post_id
self.hashtag_id = hashtag_id
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<PostHashtag (Post : %i | Hashtag %i)>' % (self.post_id,
self.hashtag_id)
class PostUpvote(Base):
__tablename__ = 'post_upvotes'
id = db.Column(db.Integer, primary_key=True)
post_id = db.Column(db.Integer, db.ForeignKey("posts.id"))
user_id = db.Column(db.Integer, db.ForeignKey("users.id"))
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(self, post, user):
self.post = post
self.user = user
# Default Values
now = dt.now().isoformat()
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<PostUpvote %r/%r>' % (self.post.id, self.user.username)
class Hashtag(Base):
__tablename__ = 'hashtags'
id = db.Column(db.Integer, primary_key=True)
tag = db.Column(db.String(128))
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
post_hashtag = relationship(PostHashtag, backref="hashtag")
def __init__(self, tag):
self.tag = tag
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<Hashtag %r>' % self.tag
class CommunityUpvote(Base):
__tablename__ = 'community_upvotes'
community_id = db.Column(db.Integer,
db.ForeignKey('communities.id'),
primary_key=True)
user_id = db.Column(db.Integer,
db.ForeignKey('users.id'),
primary_key=True)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(self, user, community):
self.user = user
self.community = community
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<User : %r | Community : %r>' % (self.user_id,
self.community_id)
def viewable_by(self, _):
return True
def creatable_by(self, user):
if self.community.upvoted_by(user):
return False
return True
def updatable_by(self, _):
return False
def destroyable_by(self, _):
return False
class PostReport(Report):
parent_id = db.Column(db.Integer, db.ForeignKey('posts.id'))
__mapper_args__ = {"polymorphic_identity": "post"}
def __init__(self, title, content, user, post, category="misc"):
self.parent = post
self.post = self.parent
super().__init__(title=title,
content=content,
user=user,
category=category)
def __repr__(self):
return '<PostReport %r>' % self.title
class Report(Base):
__tablename__ = 'reports'
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(128))
content = db.Column(db.Text)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
category = db.Column(db.String(128))
resolved = db.Column(db.Boolean)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
type = db.Column(db.String(20))
__mapper_args__ = {
'polymorphic_on': type,
'polymorphic_identity': 'report'
}
def __init__(self, title, content, user, category="misc"):
self.title = title
self.content = content
self.user = user
# Available Categories
# misc|bug|question|important
self.category = category
# Current Time to Insert into Dataamable.models
now = dt.now().isoformat
# Default Values
self.resolved = False
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<Report %r>' % self.title
class Comment(Base):
__tablename__ = 'comments'
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.Text)
parent_id = db.Column(db.Integer, db.ForeignKey('comments.id'))
user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
post_id = db.Column(db.Integer, db.ForeignKey('posts.id'))
upvote_count = db.Column(db.String(128))
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
hashtags = relationship(CommentHashtag, backref="comment")
children = relationship("Comment", lazy='joined', join_depth=10)
def __init__(self, content, user, post, parent=None, upvote_count=0):
self.content = content
self.user = user
self.post = post
self.parent = parent
if parent is not None:
self.parent_id = parent.id
self.upvote_count = 0
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<Comment %r | Content : %r>' % (self.id, self.content)
def has_children(self):
return session.query(Comment).filter_by(parent=self.id).count() > 0
@property
def comments(self):
return self.children
class XXXX(Base):
__tablename__ = 'XXXX'
id = db.Column(db.Integer, primary_key=True)
XXXX = db.Column(db.String(128))
XXXX = db.Column(db.String(128))
XXXX = db.Column(db.String(128))
XXXX = db.Column(db.String(128))
XXXX = db.Column(db.String(128))
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(
self,
XXXX
):
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<XXXX %r>' % self.XXXX
class CommunityUser(Base):
__tablename__ = 'community_users'
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
community_id = db.Column(db.Integer, db.ForeignKey('communities.id'))
moderator = db.Column(db.Boolean)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
def __init__(self, user, community, moderator=False):
self.user = user
self.community = community
self.moderator = moderator
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
def __repr__(self):
return '<CommunityUser %r/%r>' % (self.community.name,
self.user.username)
class User(Base):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True)
email = db.Column(db.String(120), unique=True)
password = db.Column(db.String(128), nullable=False)
salt = db.Column(db.String(128), nullable=False)
name = db.Column(db.String(128))
role = db.Column(db.String(10))
bio = db.Column(db.Text)
website = db.Column(db.String(128))
location = db.Column(db.String(128))
phone = db.Column(db.String(10))
dob = db.Column(db.DateTime)
profile_image = db.Column(db.String(128))
date_created = db.Column(db.String(128), nullable=False)
date_modified = db.Column(db.String(128), nullable=False)
active = db.Column(db.Boolean)
reports = relationship(Report, backref="user")
posts = relationship(Post, backref="user")
post_upvotes = relationship(PostUpvote, backref="user")
community_users = relationship(CommunityUser, backref="user")
comments = relationship(Comment, backref="user")
community_upvotes = relationship(CommunityUpvote, backref="user")
followers = relationship(Follower,
backref='follow_user',
foreign_keys='[Follower.target_id]')
followees = relationship(Follower,
backref='source_user',
foreign_keys='[Follower.source_id]')
def __init__(self,
username,
email,
password,
name,
bio=None,
website=None,
location=None,
phone=None,
dob=None,
profile_image=None,
role=None):
self.username = username
self.email = email
self.set_password(password)
self.name = name
if role is not None:
self.role = role
else:
self.role = "user"
self.bio = bio
self.website = website
self.location = location
self.phone = phone
self.dob = dob
if profile_image is None:
image_num = format(randrange(1, 11), '03')
self.profile_image = '/static/img/default{0}.jpg'.format(image_num)
else:
self.profile_image = profile_image
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
self.active = True
def __repr__(self):
return '<User %r>' % self.username
def __eq__(self, other):
return self.email == other.email
def is_admin(self):
return self.role == 'admin'
def in_community(self, community):
return session.query(CommunityUser).filter_by(
community_id=community.id, user_id=self.id).count() == 1
def viewable_by(self, _):
return True
def creatable_by(self, _):
return True
def updatable_by(self, user):
return self == user or user.is_admin()
def destroyable_by(self, user):
return self == user or user.is_admin()
@property
def avatar(self):
if self.profile_image:
return self.profile_image
else:
return url_for('static', filename='img/default-avatar.jpg')
def get_id(self):
try:
return unicode(self.id) # python 2
except NameError:
return str(self.id) # python 3
# Praying Hands - Count on Comments
def get_praying_hands(self, invalidate=False):
def updatePHCount():
phCount = session.query(Comment).filter_by(
user_id=self.id).group_by(Comment.post_id, Comment.id).count()
cache.set(str(self.id) + "_praying_hands",
phCount,
timeout=10 * 60)
return phCount
phCount = 0
if invalidate:
phCount = updatePHCount()
else:
phCount = cache.get(str(self.id) + "_praying_hands")
if phCount is None:
phCount = updatePHCount()
return phCount
# Halo - Count on Comments where post is answered (prayed for)
def get_halo(self, invalidate=False):
def updateHaloCount():
haloCount = session.query(Comment).filter_by(
user_id=self.id).group_by(Comment.post_id, Comment.id).filter(
Comment.post.has(answered=True)).count()
cache.set(str(self.id) + "_halo", haloCount, timeout=10 * 60)
return haloCount
haloCount = 0
if invalidate:
haloCount = updateHaloCount()
else:
haloCount = cache.get(str(self.id) + "_halo")
if haloCount is None:
haloCount = updateHaloCount()
return haloCount
# Hammer - Count of posts that user reported where other people also
# reported
def get_hammer(self, invalidate=False):
def updateHammerCount():
hammerCount = 0
allReports = session.query(PostReport).filter_by(user_id=self.id)
for report in allReports:
# Has someone else reported this post?
reportCheckCount = session.query(PostReport).filter(
PostReport.parent_id == report.parent_id,
PostReport.user_id != self.id).count()
if reportCheckCount > 0:
hammerCount += 1
else:
continue
cache.set(str(self.id) + "_hammer", hammerCount, timeout=10 * 60)
return hammerCount
hammerCount = 0
if invalidate:
hammerCount = updateHammerCount()
else:
hammerCount = cache.get(str(self.id) + "_hammer")
if hammerCount is None:
hammerCount = updateHammerCount()
return hammerCount
# Knee - Count of user posts that have at least 1 upvote ( or is it a knee
# for each upvote? )
def get_knee(self, invalidate=False):
def updateKneeCount():
kneeCount = 0
for post in self.posts:
if (post.total_upvotes - 1) > 0:
kneeCount += 1
cache.set(str(self.id) + "_knee", kneeCount, timeout=10 * 60)
return kneeCount
kneeCount = 0
if invalidate:
kneeCount = updateKneeCount()
else:
kneeCount = cache.get(str(self.id) + "_knee")
if kneeCount is None:
kneeCount = updateKneeCount()
return kneeCount
@property
def is_authenticated(self):
return True
@property
def is_active(self):
return True
@property
def is_anonymous(self):
return False
@property
def communities(self):
return list(map(lambda x: x.community, self.community_users))
@property
def community_ids(self):
return list(map(lambda x: x.community_id, self.community_users))
def get_id(self):
try:
return unicode(self.id) # python 2
except NameError:
return str(self.id) # python 3
def set_password(self, __password__):
if __password__ == "":
return self
# Hash the password. SHA256
hashedPassword = hash_password(__password__)
# Split the password and the salt
splitPassword = hashedPassword.split(":")
self.password = splitPassword[0] # Password
self.salt = splitPassword[1] # Salt
return self
def vote_for_community(self, community):
# First we want to make sure that this user
# hasn't yet voted for this community
upvoteCount = session.query(CommunityUpvote).filter_by(
user_id=self.id, community_id=community.id).count()
if upvoteCount == 0: # Has not voted
newUpvote = CommunityUpvote(self, community)
session.add(newUpvote)
session.commit()
else:
flash("You have already voted for this community")
def get_communities(self):
communities = []
for cu in self.community_users:
communities.append(cu.community)
return communities
def has_upvoted_post(self, post):
return session.query(PostUpvote).filter_by(
post_id=post.id, user_id=self.id).count() == 1
def has_reported_post(self, post):
return session.query(PostReport).filter_by(parent=post,
user=self).count() == 1
def has_followed_user(self, user):
return session.query(Follower).filter_by(
target_id=user.id, source_id=self.id).count() == 1
class Community(Base):
__tablename__ = 'communities'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(128))
description = db.Column(db.Text)
permalink = db.Column(db.String(128))
banner_url = db.Column(db.String(128))
thumbnail_url = db.Column(db.String(128))
nsfw = db.Column(db.Boolean)
active = db.Column(db.Boolean)
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
posts = relationship(Post, backref="community")
users = relationship(CommunityUser, backref="community")
upvotes = relationship(CommunityUpvote, backref="community")
def __init__(
self,
name,
description,
nsfw,
banner_url="",
thumbnail_url="",
permalink=None,
active=False,
):
self.name = name
self.description = description
self.banner_url = banner_url
self.thumbnail_url = thumbnail_url
self.nsfw = nsfw
self.active = active
if permalink:
self.permalink = permalink
else:
candidate = slugify(self.name)
count = s.query(Community).filter(
Community.permalink.like(candidate + '%')).count()
if count == 0:
self.permalink = candidate
else:
self.permalink = candidate + "-" + str(count)
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
@property
def serialize(self):
return {
'id': self.id,
'name': self.name,
'description': self.description,
'banner_url': self.banner_url,
'thumbnail_url': self.thumbnail_url,
'nsfw': self.nsfw,
'active': self.active,
'num_upvotes': self.num_upvotes,
'date_created': self.date_created,
}
def upvoted_by(self, user):
if user:
num_upvotes = session.query(CommunityUpvote).filter_by(
user_id=user.id, community_id=self.id).count()
return num_upvotes >= 1
else:
return False
@property
def is_active(self):
if self.active is True:
return True
else:
# Let's see if the community has enough upvotes
upvote_count = self.queryNumUpvotes()
if upvote_count >= 10:
self.active = True
s.add(self)
s.commit()
return True
else:
return False
def __repr__(self):
return '<Community %r>' % self.name
def moderators(self):
community_users = s.query(CommunityUser.user_id).filter_by(
community_id=self.id, moderator=True).subquery('community_mods')
return s.query(User).filter(User.id == community_users.c.user_id)
def viewable_by(self, _):
return True
def creatable_by(self, _):
return True
def updatable_by(self, user):
return user in list(self.moderators()) or user.is_admin()
def destroyable_by(self, user):
return user.is_admin()
def queryNumUpvotes(self):
return s.query(CommunityUpvote).filter_by(community_id=self.id).count()
def vote(self, user):
# First lets make sure the user hasn't voted
# for this community yet
voteCount = session.query(CommunityUpvote).filter_by(
user_id=user.id, community_id=self.id).count()
if voteCount == 0:
newUpvote = CommunityUpvote(user, self)
session.add(newUpvote)
session.commit()
if self.queryNumUpvotes() >= 10:
self.active = True
session.commit()
return True
else:
return False
def set_default_banner(self):
self.banner_url = "http://dsedutech.org/images/demo/placement_banner1.jpg"
def set_default_thumbnail(self):
self.thumbnail_url = 'http://i.imgur.com/7mo7QHW.gif'
class Post(Base):
__tablename__ = 'posts'
id = db.Column(db.Integer, primary_key=True)
text_brief = db.Column(db.String(142))
text_long = db.Column(db.Text)
answered = db.Column(db.Boolean)
image_url = db.Column(db.String(128))
user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
community_id = db.Column(db.Integer, db.ForeignKey('communities.id'))
date_created = db.Column(db.DateTime)
date_modified = db.Column(db.DateTime)
reports = relationship(PostReport, backref="parent")
post_upvotes = relationship(PostUpvote,
backref="post",
cascade="all, delete-orphan")
comments = relationship(Comment,
backref="post",
cascade="all, delete-orphan")
hashtags = relationship(PostHashtag,
backref="post",
cascade="all, delete-orphan")
def __init__(self,
text_brief,
text_long,
image_url,
user,
community,
answered=False):
self.text_brief = text_brief
self.text_long = text_long
self.answered = answered
self.image_url = image_url
self.user = user
self.community = community
# Default Values
now = dt.now().isoformat() # Current Time to Insert into Datamodels
self.date_created = now
self.date_modified = now
# Each post starts with 1 upvote (whomever created the post)
# We have to insert a record into the post_upvote table
p_upvote = PostUpvote(self, self.user)
session.add(p_upvote)
session.commit()
def __repr__(self):
return '<Post %r>' % self.id
def viewable_by(self, user):
return True
def creatable_by(self, user):
return user.in_community(self) or user.is_admin()
def updatable_by(self, user):
return self.user == user or \
user in self.community.moderators() or \
user.is_admin()
def destroyable_by(self, user):
return self.user == user or \
user in self.community.moderators() or \
user.is_admin()
@property
def comment_tree(self):
root_tree = OrderedDict()
root_level = session.query(Comment).filter_by(post_id=self.id,
parent_id=None).all()
def get_children(comment, child_tree):
for child in comment.children:
child_tree[child] = get_children(child, OrderedDict())
return child_tree
for comment in root_level:
root_tree[comment] = get_children(comment, OrderedDict())
return root_tree
@property
def total_upvotes(self):
cacheTotal = cache.get(str(self.id) + "_post_upvotes")
if cacheTotal is None:
cacheTotal = session.query(PostUpvote).filter_by(
post_id=self.id).count()
cache.set(str(self.id) + "_post_upvotes",
cacheTotal,
timeout=5 * 60)
return cacheTotal
def can_be_shown(self, invalidate=False):
reportCount = cache.get(str(self.id) + "_report_count")
if reportCount is None or invalidate:
reportCount = session.query(PostReport).filter_by(
parent=self).count()
cache.set(str(self.id) + "_report_count",
reportCount,
timeout=5 * 60)
if int(reportCount) >= 10:
return False
else:
return True
@staticmethod
def for_user(user, filters=dict()):
posts = s.query(Post).filter(Post.community_id.in_(user.community_ids))
if filters.get('communities') != []:
posts = posts.filter(
Post.community_id.in_(filters.get('communities')))
return posts.order_by(Post.date_created).all()
