class Article(db.Model):
__tablename__ = 'article'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
title = db.Column(db.String(100), nullable=False)
content = db.Column(db.String(20000), nullable=False)
publish_time = db.Column(db.DateTime, default=datetime.now, nullable=False)
see_times = db.Column(db.Integer, default=1, nullable=False)
# 个人隐私文章flag
personal_flag = db.Column(db.Integer, default=0)
# 外键连接 一个User对应多个Info, 其中 'user.id ' 中的 user 是表名
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
# backref 是定义反向引用，可以通过 User 的 instance.infos 访问这个模型所写的所有info
user_back = db.relationship('User', backref=db.backref('articles'))
tag_back = db.relationship('Tag',
secondary=article_tag,
passive_deletes=True,
backref=db.backref('articles'))
category_back = db.relationship(
'Category',
secondary=article_category,
# 其中 passive_delete 支持多对多表关联删除，否则会报错！
passive_deletes=True,
backref=db.backref('articles'))
def __str__(self):
return '%s, %s, %s' % (self.id, self.title, self.content)
class Category(db.Model):
__tablename__ = 'category'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
category_name = db.Column(db.String(100), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
user_back = db.relationship('User', backref=db.backref('categorys'))
article_back = db.relationship('Article',
secondary=article_category,
backref=db.backref('categorys'))
class Store(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(60), nullable=False)
description = db.Column(db.String(120), nullable=False)
url = db.Column(db.String(60), unique=True, nullable=False)
img = db.Column(db.String(60), nullable=False, default='store.jpg')
address = db.Column(db.String(120), nullable=False)
location = db.Column(db.String(120), nullable=False)
# derived from address
items = db.relationship('Item', backref='Store', lazy=True)
owner = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
tags = db.Column(db.String(1024), nullable=True)
postLimit = db.Column(db.Integer, nullable=False, default=10)
# Premium accounts have no post limit and no post expiration
views = db.Column(db.Integer, nullable=False, default=0)
# on store load raise count
lastWeekViews = db.Column(db.Integer, nullable=True)
# views from last week
clickthroughs = db.Column(db.Integer, nullable=False, default=0)
# sum of click throughs from item navigations
lastWeekClickthroughs = db.Column(db.Integer, nullable=True)
# click throughs from last week
numposts = db.Column(db.Integer, nullable=False, default=0)
# for getting new posts
def __repr__(self):
return f"Store('{self.name}, {self.address}')"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False )
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.String(60), nullable=False)
image_file = db.Column(db.String(20), nullable=False, default='dflt.jpg')
posts = db.relationship('Post', backref='author', lazy=True)
likes = db.relationship('Likes', backref='liker', lazy=True)
comments = db.relationship('Comment', backref='commentor', lazy=True)
friends = db.relationship('Friends', backref='root_friend', lazy=True)
lists = db.relationship('List', backref='lists', lazy=True)
def __repr__(self):
return f"User('{self.username}', '{self.email}', '{self.image_file}')"
class List(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(20), nullable=False)
tasks = db.relationship('Post', backref='tasks', lazy=True)
user = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
privacy = db.Column(db.Boolean, nullable=False)
def __repr__(self):
return f"List('{self.name}')"
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
posts = db.relationship('Post', backref='author', lazy='dynamic')
about_me = db.Column(db.String(140))
last_seen = db.Column(db.DateTime, default=datetime.utcnow)
followed = db.relationship(
'User', secondary=followers,
primaryjoin=(followers.c.follower_id == id),
secondaryjoin=(followers.c.followed_id == id),
backref=db.backref('followers', lazy='dynamic'), lazy='dynamic')
def avatar(self, size):
digest = md5(self.email.lower().encode('utf-8')).hexdigest()
return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(digest, size)
def set_password(self, password):
self.password_hash = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password_hash, password)
def follow(self, user):
if not self.is_following(user):
self.followed.append(user)
def unfollow(self, user):
if self.is_following(user):
self.followed.remove(user)
def is_following(self, user):
return self.followed.filter(followers.c.followed_id == user.id).count() > 0
def followed_posts(self):
followed = Post.query.join(
followers, (followers.c.followed_id == Post.user_id)).filter(
followers.c.follower_id == self.id)
own = Post.query.filter_by(user_id=self.id)
return followed.union(own).order_by(Post.timestamp.desc())
def __repr__(self):
return '<User {}>'.format(self.username)
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
content = db.Column(db.String(500), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
post = db.Column(db.Integer, db.ForeignKey('post.id'), nullable=False)
author = db.relationship('User', backref='author', lazy=True)
def __repr__(self):
return f"Comment('{self.content}', '{self.date_posted}')"
class Matiere(db.Model):
id = db.Column(db.Integer, primary_key=True)
nom = db.Column(db.String(20), nullable=False)
semestre = db.Column(db.Integer, nullable=False)
niveau = db.Column(db.String(20), nullable=False)
specialite = db.Column(db.String(20), nullable=False)
module = db.Column(db.String(20), nullable=False)
coefficient = db.Column(db.Float, nullable=False)
notes = db.relationship('Note', backref='Note_Matiere', lazy=True)
def __repr__(self):
return f"matiere('{self.id}','{self.nom}','{self.semestre}','{self.niveau}','{self.specialite}','{self.module}','{self.coefficient}')"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
nom = db.Column(db.String(20), unique=True, nullable=False)
prenom = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.String(60), nullable=False)
niveau = db.Column(db.String(120), nullable=False)
specialite = db.Column(db.String(120), nullable=False)
role = db.Column(db.String(120), nullable=False)
notes = db.relationship('Note', backref='Note_User', lazy=True)
def __repr__(self):
return f"User('{self.id}','{self.nom}',{self.prenom}', '{self.email}','{self.niveau}','{self.specialite}','{self.role}')"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.String(128), nullable=False)
image_file = db.Column(db.String(24), nullable=False, default='dflt.jpg')
business = db.Column(db.Boolean(), nullable=False)
store = db.relationship('Store', backref='Owner', lazy=True)
following = db.relationship('Follow', backref='Follower', lazy=True)
location = db.Column(db.String(120), nullable=False)
#update on new login
max_dist = db.Column(db.Integer, nullable=False, default=10)
#max distance it will show items from in feed
interests = db.Column(db.String(150), nullable=True, default='')
# generates over time based on click throughs - used to show users items they like more
def __repr__(self):
return f"User('{self.username}, {self.business}')"
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
content = db.Column(db.String(500), nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
date_due = db.Column(db.DateTime, nullable=True)
list = db.Column(db.Integer, db.ForeignKey('list.id'), nullable=False)
comments = db.relationship('Comment', backref='comments', lazy=True)
likes = db.Column(db.Integer, nullable=False, default=0)
private = db.Column(db.Boolean, nullable=False)
def __repr__(self):
return f"Post('{self.title}', '{self.date_posted}')"
class User(db.Model):
__tablename__ = 'user'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(128), index=True, unique=True)
password_hash = db.Column(db.String(128))
comments = db.relationship('Comment', backref='user', lazy='dynamic')
created_at = db.Column(db.DateTime, default=get_time)
def hash_password(self, password):
self.password_hash = sha256_crypt.encrypt(password)
def verify_password(self, password):
return sha256_crypt.verify(password, self.password_hash)
def __repr__(self):
return '<User %r>' % (self.username)