class User(db.Model, UserMixin):
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 = db.Column(db.String(128))
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
posts = db.relationship('Post', backref='author', lazy='dynamic')
comment = db.relationship('Comment', backref='commentator', lazy='dynamic')
def get_reset_token(self,
expires_sec=1800): # IN how many sec, token expires
s = Serializer(current_app.config['SECRET_KEY'], expires_sec)
return s.dumps({
'user_id': self.id
}).decode('UTF-8') # creates token, user_id is payload
@staticmethod
def verify_reset_token(token):
s = Serializer(current_app.config['SECRET_KEY'])
try:
user_id = s.loads(token)['user_id']
except:
return None
return User.query.get(user_id)
def __repr__(self):
return 'User {}'.format(self.username)
class User(db.Model, UserMixin):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
profile_image = db.Column(db.String(64),
nullable=False,
default='default_profile.jpg')
#what is index - speed up search in tables
email = db.Column(db.String(64), unique=True, index=True)
username = db.Column(db.String(64), unique=True, index=True)
password_hash = db.Column(db.String(128))
posts = db.relationship('BlogPost', backref='author', lazy=True)
def __init__(self, email, username, password):
self.email = email
self.username = username
self.password_hash = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password_hash, password)
def __repr__(self):
return f"Username {self.username}, email {self.email}"
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
name = db.Column(db.String(50), unique=True, nullable=True)
password = db.Column(db.Text, nullable=False)
createdtime = db.Column(db.TIMESTAMP,
nullable=False,
default=datetime.datetime.now)
posts = db.relationship('Post', backref='user')
class Comment(db.Model):
c_id = db.Column(db.Integer, primary_key=True)
c_body = db.Column(db.Text, nullable=False)
c_timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
c_author_id = db.Column(db.Integer, db.ForeignKey('user.id'))
comment_id = db.Column(db.Integer, db.ForeignKey('post.id'))
def __repr__(self):
return 'Comment{}'.format(self.comment_id)
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
body = db.Column(db.Text, nullable=False)
title = db.Column(db.String(140))
timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __repr__(self):
return 'Post {}'.format(self.body)
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.Text, nullable=False)
date = db.Column(db.DateTime, default=datetime.utcnow)
content = db.Column(db.String(300))
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
@staticmethod
def newest(num):
return Bookmark.query.order_by(desc(Bookmark.date)).limit(num)
class Blog(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80))
admin = db.Column(db.Integer, db.ForeignKey('author.id'))
def __init__(self, name, admin):
self.name = name
self.admin = admin
def __repr__(self):
return '<Blog %r>' % self.name
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
date_posted = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
content = db.Column(db.Text, nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
def __repr__(self):
return f"Post('{self.title}','{self.date_posted}')"
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(100), unique=True, nullable=False)
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
password = db.Column(db.String(50), nullable=False)
posts = db.relationship('Post', backref='author', lazy=True)
def __repr__(self):
return f"User('{self.username}','{self.email}','{self.image_file}')"
class BlogPost(db.Model):
users = db.relationship(User)
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
title = db.Column(db.String(140), nullable=False)
text = db.Column(db.Text, nullable=False)
def __init(self, title, text, user_id):
self.title = title
self.text = text
self.user_id = user_id
def __repr__(self):
return f"Post id: {self.id}, date: {self.date}, {self.title}"
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True)
posts = db.relationship('Post', backref='user', lazy='dynamic')
password_hash = db.Column(db.String)
@property
def password(self):
raise AttributeError('password: write-only field')
@password.setter
def password(self, password):
self.password_hash = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password_hash, password)
@staticmethod
def get_by_username(username):
return User.query.filter_by(username=username).first()
def __repr__(self):
return "<User '{}'>".format(self.username)
class Author(db.Model):
id = db.Column(db.Integer, primary_key=True)
fullname = db.Column(db.String(settings.AUTHOR_FULLNAME_STRING_LENGHT))
email = db.Column(db.String(settings.AUTHOR_EMAIL_STRING_LENGHT),
unique=True)
username = db.Column(db.String(settings.AUTHOR_USERNAME_STRING_LENGHT),
unique=True)
password = db.Column(db.String(settings.AUTHOR_PASSWORD_STRING_LENGHT))
is_author = db.Column(db.Boolean)
def __init__(self, fullname, email, username, password, is_author=False):
self.fullname = fullname
self.email = email
self.username = username
self.password = password
self.is_author = is_author
def __repr__(self):
return '<Author %r>' % self.username
class Post(db.Model):
__tablename__ = 'posts'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
title = db.Column(db.String(50), nullable=False, unique=True)
content = db.Column(db.Text, nullable=False)
committime = db.Column(db.TIMESTAMP,
nullable=False,
default=datetime.datetime.now)
author_id = db.Column(db.Integer, db.ForeignKey('users.id'))
# def init_db():
# try:
# con = sqlite3.connect('database.db')
# cur = con.cursor()
#
# # #初始化表格，如果存在这些表则删除
# # sql = "drop table if exists users"
# # cur.execute(sql)
#
# # sql = "drop table if exists posts"
# # cur.execute(sql)
#
# # sql = '''
# # create table users(
# # id integer primary key autoincrement,
# # name varchar(16) unique not null ,
# # password text not null
# # )
# # '''
# # cur.execute(sql)
# #
# # sql = '''
# # create table posts(
# # id integer primary key autoincrement,
# # title varchar(50) unique not null ,
# # content text not null ,
# # author_id integer not null,
# # committime timestamp not null default current_timestamp,
# # foreign key (author_id) references users (id)
# # )
# # '''
# # cur.execute(sql)
#
# cur.close()
# con.close()
# except Exception as e:
# print(e)
# 如果没有dict_factory这个函数，那么将返回一个list的值，使用起来非常不方便
# def dict_factory(cursor, row):
# d = {}
# for index, col in enumerate(cursor.description):
# d[col[0]] = row[index]
# return d
#
# def search_user_name(username):
# try:
# con = sqlite3.connect('database.db')
# con.row_factory = dict_factory
# cur = con.cursor()
# sql = " select * from users where name=? "
# user = cur.execute(sql, (username,)).fetchone() #这里u返回值是一个tunple（元组）
# cur.close()
# con.close()
# if user:
# return user
# except Exception as e:
# print(e)
#
# def search_user_id(id):
# try:
# con = sqlite3.connect('database.db')
# con.row_factory = dict_factory
# cur = con.cursor()
# sql = " select * from users where id=? "
# user = cur.execute(sql, (id,)).fetchone() #这里u返回值是一个tunple（元组）
# cur.close()
# con.close()
# if user:
# return user
# except Exception as e:
# print(e)
# def show_posts():
# try:
# con = sqlite3.connect('database.db')
# con.row_factory = dict_factory # 指定工厂方法，官方给出的将list返回为字典的方法
# cur = con.cursor()
# sql = " select * from posts "
# u = cur.execute(sql).fetchall() # 如果不进行转换，那么这里的u返回值是一个list；现在返回的是一个字典列表
#
# # 可以通过打印来验证一下
# # print(u)
#
# cur.close()
# con.close()
#
# if u:
# # print(u)
# return u #将返回一个字典列表
#
# except Exception as e:
# print(e)
# def add_user(name, password):
# try:
# con = sqlite3.connect('database.db')
# cur = con.cursor()
# sql = '''
# insert into users(name, password)
# values
# (?, ?)
# '''
# cur.execute(sql, (name, generate_password_hash(password), ))
# con.commit()
# cur.close()
# con.close()
# except Exception as e:
# con.rollback()
# print(e)
# def add_post(title, content, author_id):
# try:
# con = sqlite3.connect('database.db')
# cur = con.cursor()
# sql = '''
# insert into posts ( title, content, author_id )
# values
# (?, ?, ?)
# '''
# cur.execute(sql, (title, content, author_id, ))
# con.commit()
# cur.close()
# con.close()
# except Exception as e:
# con.rollback()
# print(e)
# init_db()
# db.drop_all()
# db.create_all()
# print(show_posts())
# add_post('test_title', 'test_content', 1)