class Link(db.Model):
__tablename__ = 'lb_links'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64))
url = db.Column(db.String(64))
logo = db.Column(db.String(64))
is_hidden = db.Column(db.Boolean)
class Page(db.Model):
__tablename__ = 'lb_pages'
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(64))
keywords = db.Column(db.String(64))
content = db.Column(db.Text)
go_url = db.Column(db.String(64))
add_time = db.Column(db.DateTime, default=datetime.utcnow())
is_hidden = db.Column(db.Boolean)
class Topic(db.Model):
__tablename__ = 'lb_topics'
id = db.Column(db.Integer, primary_key=True)
node_id = db.Column(db.Integer, db.ForeignKey('lb_nodes.id')) #节点id
sender_id = db.Column(db.Integer, db.ForeignKey('lb_users.id')) #发布者id
last_reply_id = db.Column(db.Integer,
db.ForeignKey('lb_users.id')) #最后回复者id
title = db.Column(db.String(64)) #话题标题
keywords = db.Column(db.String(64)) #话题关键词
content = db.Column(db.Text) #话题内容
addtime = db.Column(db.DateTime, default=datetime.utcnow()) #发布时间
update_time = db.Column(db.DateTime) #更新时间
last_reply = db.Column(db.DateTime) #最近回复时间
views = db.Column(db.Integer) #话题浏览量
comment_num = db.Column(db.Integer) #评论数量
favorite_num = db.Column(db.Integer) #收藏数量
is_close_comment = db.Column(db.Boolean, default=False) #是否关闭评论
is_top = db.Column(db.Boolean, default=False) #是否置顶
is_hidden = db.Column(db.Boolean, default=False) #是否隐藏
ord = db.Column(db.Integer) #序号
comments = db.relationship('Comment', backref='topic', lazy='dynamic')
favorites = db.relationship('Favorite', backref='topic', lazy='dynamic')
notifications = db.relationship('Notification',
backref='topic',
lazy='dynamic')
@staticmethod
def generate_fake(count=100):
from random import seed, randint
import forgery_py
from .user import User
from .node import Node
seed()
user_count = User.query.count()
node_count = Node.query.count()
for i in range(count):
u = User.query.offset(randint(0, user_count - 1)).first()
n = Node.query.offset(randint(0, node_count)).first()
t = Topic(title=forgery_py.lorem_ipsum.title(),
content=forgery_py.lorem_ipsum.paragraphs(randint(1, 5)),
addtime=forgery_py.date.date(True),
node=n,
sender=u)
db.session.add(t)
db.session.commit()
'''
class Role(db.Model):
__tablename__ = 'lb_roles'
id = db.Column(db.Integer, primary_key=True)
role_name = db.Column(db.String(64), unique=True)
default = db.Column(db.Boolean, default=False, index=True)
permissions = db.Column(db.Integer)
user_num = db.Column(db.Integer)
users = db.relationship('User', backref='role', lazy='dynamic')
@staticmethod
def insert_roles():
roles = {
'User': (Permission.FOLLOW | Permission.COMMENT
| Permission.WRITE_ARTICLES, True),
'Moderator':
(Permission.FOLLOW | Permission.COMMENT | Permission.WRITE_ARTICLES
| Permission.MODERATE_COMMENTS, False),
'Administrator': (0xff, False)
}
for r in roles:
role = Role.query.filter_by(role_name=r).first()
if role is None:
role = Role(role_name=r)
role.permissions = roles[r][0]
role.default = roles[r][1]
db.session.add(role)
db.session.commit()
def __repr__(self):
return '<Role %r>' % self.name
class Tag(db.Model):
__tablename__ = 'lb_tags'
id = db.Column(db.Integer, primary_key=True)
tag_name = db.Column(db.String(64))
topic_num = db.Column(db.Integer)
topics = db.relationship('Topic',
secondary=tags_relation,
backref=db.backref('tags', lazy=True),
lazy='dynamic')
# 生成虚拟用户
@staticmethod
def generate_fake(count=10):
from sqlalchemy.exc import IntegrityError
from random import seed
import forgery_py
seed()
for i in range(count):
tg = Tag(tag_name=forgery_py.lorem_ipsum.word())
db.session.add(tg)
try:
db.session.commit()
except IntegrityError:
db.session.rollback()
class Node(db.Model):
__tablename__ = 'lb_nodes'
id = db.Column(db.Integer, primary_key=True)
parent_id = db.Column(db.Integer)
name = db.Column(db.String(64))
content = db.Column(db.Text)
keywords = db.Column(db.String(64))
ico = db.Column(db.String(64))
master_id = db.Column(db.Integer, db.ForeignKey('lb_users.id'))
topic_num = db.Column(db.Integer)
topics = db.relationship('Topic', backref='node', lazy='dynamic')
# 生成虚拟用户
@staticmethod
def generate_fake(count=10):
from sqlalchemy.exc import IntegrityError
from random import seed, randint
import forgery_py
from .user import User
seed()
user_count = User.query.count()
node_count = Node.query.count()
for i in range(count):
nd = Node.query.offset(randint(0, node_count)).first()
u = User.query.offset(randint(0, user_count - 1)).first()
if nd:
n = Node(parent_id=nd.id,
name=forgery_py.lorem_ipsum.word(),
content=forgery_py.lorem_ipsum.paragraph(),
master=u)
else:
n = Node(parent_id=0,
name=forgery_py.lorem_ipsum.word(),
content=forgery_py.lorem_ipsum.paragraph(),
master=u)
db.session.add(n)
try:
db.session.commit()
except IntegrityError:
db.session.rollback()
class User(UserMixin, db.Model):
__tablename__ = 'lb_users'
# 基本信息
id = db.Column(db.Integer, primary_key=True)
email = db.Column(db.String(64), unique=True, index=True) #邮箱
username = db.Column(db.String(64), unique=True, index=True) #用户名
password_hash = db.Column(db.String(128)) #密码序列值
avatar = db.Column(db.String(64)) #头像地址
avatar_hash = db.Column(db.String(64)) #头像序列值
homepage = db.Column(db.String(64)) #用户网站
location = db.Column(db.String(64)) #用户地址
signature = db.Column(db.Text) #签名
about_me = db.Column(db.Text) #关于我
# 统计信息
topic_num = db.Column(db.Integer) #该用户发布的话题数量
replie_num = db.Column(db.Integer) #该用户的回复数量
notice_num = db.Column(db.Integer) #该用户的通知数量
follow_num = db.Column(db.Integer) #该用户的粉丝数量
faorite_num = db.Column(db.Integer) #该用户收藏的话题数量
messages_unread = db.Column(db.Integer) #未读信息数量
integral = db.Column(db.Integer) #积分
#更多信息
confirmed = db.Column(db.Boolean, default=False) #该用户是否认证
regtime = db.Column(db.DateTime, default=datetime.utcnow) #该用户的注册时间
lastlogin = db.Column(db.DateTime) #该用户最后的登录时间
lastpost = db.Column(db.DateTime) #该用户最后发布话题时间
ip = db.Column(db.String(64)) #该用户的ip地址
is_active = db.Column(db.Boolean, default=True) #该用户是否激活
#外键&关系
role_id = db.Column(db.Integer, db.ForeignKey('lb_roles.id'))
nodes = db.relationship('Node', backref='master', lazy='dynamic')
sender_topics = db.relationship('Topic',
foreign_keys=[Topic.sender_id],
backref='sender',
lazy='dynamic')
last_topic_replies = db.relationship('Topic',
foreign_keys=[Topic.last_reply_id],
backref='reply',
lazy='dynamic')
comments = db.relationship('Comment', backref='user', lazy='dynamic')
favorites = db.relationship('Favorite', backref='user', lazy='dynamic')
followers = db.relationship('Follow',
foreign_keys=[Follow.followed_id],
backref=db.backref('followed', lazy='joined'),
lazy='dynamic',
cascade='all, delete-orphan')
followeds = db.relationship('Follow',
foreign_keys=[Follow.follower_id],
backref=db.backref('follower', lazy='joined'),
lazy='dynamic',
cascade='all, delete-orphan')
sender_messages = db.relationship('Message',
foreign_keys=[Message.sender_id],
backref=db.backref('sender',
lazy='joined'),
lazy='dynamic')
receiver_messages = db.relationship('Message',
foreign_keys=[Message.receiver_id],
backref=db.backref('receiver',
lazy='joined'),
lazy='dynamic')
sender_dialogs = db.relationship('Message_dialog',
foreign_keys=[Message_dialog.sender_id],
backref=db.backref('sender',
lazy='joined'),
lazy='dynamic')
receiver_dialogs = db.relationship(
'Message_dialog',
foreign_keys=[Message_dialog.receiver_id],
backref=db.backref('receiver', lazy='joined'),
lazy='dynamic')
comments_by = db.relationship('Notification',
foreign_keys=[Notification.comment_by],
backref=db.backref('commenter',
lazy='joined'),
lazy='dynamic')
topics_sender_id = db.relationship(
'Notification',
foreign_keys=[Notification.topic_sender_id],
backref=db.backref('sender', lazy='joined'),
lazy='dynamic')
#生成虚拟用户
@staticmethod
def generate_fake(count=100):
from sqlalchemy.exc import IntegrityError
from random import seed
import forgery_py
seed()
for i in range(count):
u = User(email=forgery_py.internet.email_address(),
username=forgery_py.internet.user_name(True),
password=forgery_py.lorem_ipsum.word(),
confirmed=True,
homepage=forgery_py.internet.domain_name(),
location=forgery_py.address.city(),
signature=forgery_py.lorem_ipsum.sentence(),
about_me=forgery_py.lorem_ipsum.paragraph(),
regtime=forgery_py.date.datetime(True),
ip=forgery_py.internet.ip_v4())
db.session.add(u)
try:
db.session.commit()
except IntegrityError:
db.session.rollback()
#用户自关注
@staticmethod
def add_self_follows():
for user in User.query.all():
if not user.is_following(user):
user.follow(user)
db.session.add(user)
db.session.commit()
#初始化用户角色和头像
def __init__(self, **kwargs):
super(User, self).__init__(**kwargs)
if self.role is None:
if self.email == current_app.config['LIGHTBBS_ADMIN']:
self.role = Role.query.filter_by(permissions=0xff).first()
if self.role is None:
self.role = Role.query.filter_by(default=True).first()
if self.email is not None and self.avatar_hash is None:
self.avatar_hash = hashlib.md5(
self.email.encode('utf-8')).hexdigest()
self.followeds.append(Follow(followed=self))
#登录回调
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
#密码的只写属性、验证密码
@property
def password(self):
raise ArithmeticError('密码属性不可访问')
@password.setter
def password(self, password):
self.password_hash = generate_password_hash(password)
def verify_password(self, password):
return check_password_hash(self.password_hash, password)
#生成认证码、认证函数
def generate_confirmation_token(self, expirathon=3600):
s = Serializer(current_app.config['SECRET_KEY'], expirathon)
return s.dumps({'confirm': self.id})
def confirm(self, token):
s = Serializer(current_app.config['SECRET_KEY'])
try:
data = s.load(token)
except:
return False
if data.get('confirm') != self.id:
return False
self.confirmed = True
db.session.add(self)
return True
#重设密码的生成认证码和认证函数
def generate_reset_token(self, expiration=3600):
s = Serializer(current_app.config['SECRET_KEY'], expiration)
return s.dumps({'reset': self.id})
def reset_password(self, token, new_password):
s = Serializer(current_app.config['SECRET_KEY'])
try:
data = s.loads(token)
except:
return False
if data.get('reset') != self.id:
return False
self.password = new_password
db.session.add(self)
return True
#修改邮箱的生成认证码和认证函数
def generate_email_change_token(self, new_email, expiration=3600):
s = Serializer(current_app.config['SECRET_KEY'], expiration)
return s.dumps({'change_email': self.id, 'new_email': new_email})
def change_email(self, token):
s = Serializer(current_app.config['SECRET_KEY'])
try:
data = s.loads(token)
except:
return False
if data.get('change_email') != self.id:
return False
new_email = data.get('new_email')
if new_email is None:
return False
if self.query.filter_by(email=new_email).first() is not None:
return False
self.email = new_email
self.avatar_hash = hashlib.md5(self.email.encode('utf-8')).hexdigest()
db.session.add(self)
return True
#权限判断函数和管理员账户判断函数
def can(self, permissions):
return self.role is not None and \
(self.role.permissions & permissions) == permissions
def is_administrator(self):
return self.can(Permission.ADMINISTER)
#更新用户最近登录时间
def ping(self):
self.last_seen = datetime.utcnow()
db.session.add(self)
#用户头像生成
def gravatar(self, size=100, default='identicon', rating='g'):
if request.is_secure:
url = 'https://secure.gravatar.com/avatar'
else:
url = 'http://www.gravatar.com/avatar'
hash = self.avatar_hash or hashlib.md5(
self.email.encode('utf-8')).hexdigest()
return '{url}/{hash}?s={size}&d={default}&r={rating}'.format(
url=url, hash=hash, size=size, default=default, rating=rating)
#用户关注、取消关注、是否关注中、是否被关注
def follow(self, user):
if not self.is_following(user):
f = Follow(follower=self, followed=user)
db.session.add(f)
def unfollow(self, user):
f = self.followeds.filter_by(followed_id=user.id).first()
if f:
db.session.delete(f)
def is_following(self, user):
return self.followeds.filter_by(
followed_id=user.id).first() is not None
def is_followed_by(self, user):
return self.followers.filter_by(
follower_id=user.id).first() is not None
# 收藏、取消搜藏、是否已收藏
def favorite(self, topic):
if not self.is_favoriting(topic):
fv = Favorite(user=self, topic=topic)
db.session.add(fv)
def unfavorite(self, topic):
fv = self.favorites.filter_by(topic_id=topic.id).first()
if fv:
db.session.delete(fv)
def is_favoriting(self, topic):
return self.favorites.filter_by(topic_id=topic.id).first() is not None
#关注用户的文章
@property
def followed_topics(self):
#from .topic import Topic
return Topic.query.join(Follow,
Follow.followed_id == Topic.sender_id).filter(
Follow.follower_id == self.id)
'''
def to_json(self):
json_user = {
'url': url_for('api.get_user', id=self.id, _external=True),
'username': self.username,
'regtime': self.regtime,
'lastlogin': self.lastlogin,
'posts': url_for('api.get_user_posts', id=self.id, _external=True),
'followed_posts': url_for('api.get_user_followed_posts',
id=self.id, _external=True),
'post_count': self.posts.count()
}
return json_user
'''
'''
#生成认证口令和验证认证口令
def generate_auth_token(self, expiration):
s = Serializer(current_app.config['SECRET_KEY'],
expires_in=expiration)
return s.dumps({'id': self.id}).decode('ascii')
@staticmethod
def verify_auth_token(token):
s = Serializer(current_app.config['SECRET_KEY'])
try:
data = s.loads(token)
except:
return None
return User.query.get(data['id'])
'''
def __repr__(self):
return '<User %r>' % self.username
class Setting(db.Model):
__tablename__ = 'lb_settings'
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(64))
value = db.Column(db.Text)
type = db.Column(db.Integer)