class Comment(db.Model): __tablename__ = 'comments' id = db.Column(db.Integer, primary_key=True) body = db.Column(db.Text) body_html = db.Column(db.Text) timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow) disabled = db.Column(db.Boolean) author_id = db.Column(db.Integer, db.ForeignKey('users.id')) post_id = db.Column(db.Integer, db.ForeignKey('posts.id')) # @staticmethod # def on_changed_body(target, value, oldvalue, initiator): # allowed_tags = ['a', 'abbr', 'acronym', 'b', 'code', 'em', 'i', # 'strong'] # target.body_html = bleach.linkify(bleach.clean( # markdown(value, output_format='html'), # tags=allowed_tags, strip=True)) # def to_json(self): json_comment = { 'url': url_for('api.get_comment', id=self.id, _external=True), 'post': url_for('api.get_post', id=self.post_id, _external=True), 'body': self.body, 'body_html': self.body_html, 'timestamp': self.timestamp, 'author': url_for('api.get_user', id=self.author_id, _external=True), } return json_comment
class Addproduct(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(40), nullable=False) price = db.Column(db.Numeric(10, 2), nullable=False) discount = db.Column(db.Integer, default=0) stock = db.Column(db.Integer, nullable=False) desc = db.Column(db.Text, nullable=False) pub_date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow) category_id = db.Column(db.Integer, db.ForeignKey('category.id'), nullable=False) category = db.relationship('Category', backref=db.backref('categories', lazy=True)) image1 = db.Column(db.String(150), nullable=False, default='image1.jpg') image2 = db.Column(db.String(150), nullable=False, default='image2.jpg') image3 = db.Column(db.String(150), nullable=False, default='image3.jpg') merchant_id = db.Column(db.Integer, db.ForeignKey('merchant.id'), nullable=False) merchant = db.relationship('Merchant', backref=db.backref('merchant', lazy=True)) merchant_name = db.Column(db.String(45), nullable=False) merchant_phone = db.Column(db.String(8), nullable=False) merchant_address = db.Column(db.Text, nullable=False) def __repr__(self): return '<Addproduct %r>' % self.name
class Follow(db.Model): __tablename__ = 'follows' follower_id = db.Column(db.Integer, db.ForeignKey('users.id'), primary_key=True) followed_id = db.Column(db.Integer, db.ForeignKey('users.id'), primary_key=True) timestamp = db.Column(db.DateTime, default=datetime.utcnow)
class Shipment(db.Model): Shipment_ID = db.Column(db.String(12), primary_key=True, nullable=False) Shipment_Note = db.Column(db.String(500)) Delivery_ID = db.Column(db.String(8), db.ForeignKey('delivery.Delivery_ID'), nullable=False) delivery = db.relationship('Delivery', backref=db.backref('delivery', lazy=True))
class Post(db.Model): __tablename__ = 'posts' id = db.Column(db.Integer, primary_key=True) body = db.Column(db.Text) body_html = db.Column(db.Text) timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow) author_id = db.Column(db.Integer, db.ForeignKey('users.id')) comments = db.relationship('Comment', backref='post', lazy='dynamic') @staticmethod def generate_fake(count=100): from random import seed, randint import forgery_py seed() user_count = User.query.count() for i in range(count): u = User.query.offset(randint(0, user_count - 1)).first() p = Post(body=forgery_py.lorem_ipsum.sentences(randint(1, 5)), timestamp=forgery_py.date.date(True), author=u) db.session.add(p) db.session.commit() # @staticmethod # def on_changed_body(target, value, oldvalue, initiator): # allowed_tags = ['a', 'abbr', 'acronym', 'b', 'blockquote', 'code', # 'em', 'i', 'li', 'ol', 'pre', 'strong', 'ul', # 'h1', 'h2', 'h3', 'p'] # target.body_html = bleach.linkify(bleach.clean( # markdown(value, output_format='html'), # tags=allowed_tags, strip=True)) def to_json(self): json_post = { 'url': url_for('api.get_post', id=self.id, _external=True), 'body': self.body, 'body_html': self.body_html, 'timestamp': self.timestamp, 'author': url_for('api.get_user', id=self.author_id, _external=True), 'comments': url_for('api.get_post_comments', id=self.id, _external=True), 'comment_count': self.comments.count() } return json_post
class Merchant(db.Model): id = db.Column(db.Integer, primary_key=True) email = db.Column(db.String(120), db.ForeignKey('user.email'), nullable=False)
class User(UserMixin, db.Model): __tablename__ = 'users' id = db.Column(db.Integer, primary_key=True) email = db.Column(db.String(64), index=True) name = db.Column(db.String(64), unique=True, index=True) role_id = db.Column(db.Integer, db.ForeignKey('roles.id')) password_hash = db.Column(db.String(128)) confirmed = db.Column(db.Boolean, default=False) real_name = db.Column(db.String(64)) location = db.Column(db.String(64)) about_me = db.Column(db.Text()) member_since = db.Column(db.DateTime(), default=datetime.utcnow) last_seen = db.Column(db.DateTime(), default=datetime.utcnow) avatar_hash = db.Column(db.String(32)) posts = db.relationship('Post', backref='author', lazy='dynamic') real_avatar = db.Column(db.String(128), default=None) followed = db.relationship('Follow', foreign_keys=[Follow.follower_id], backref=db.backref('follower', lazy='joined'), lazy='dynamic', cascade='all, delete-orphan') followers = db.relationship('Follow', foreign_keys=[Follow.followed_id], backref=db.backref('followed', lazy='joined'), lazy='dynamic', cascade='all, delete-orphan') comments = db.relationship('Comment', backref='author', lazy='dynamic') @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, name=forgery_py.name.full_name(), location=forgery_py.address.city(), about_me=forgery_py.lorem_ipsum.sentence(), member_since=forgery_py.date.date(True)) db.session.add(u) try: db.session.commit() except IntegrityError: db.session.rollback() @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() def __init__(self, **kwargs): super(User, self).__init__(**kwargs) if self.role is None: # if self.email == current_app.config['FLASKY_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.followed.append(Follow(followed=self)) @property def password(self): raise AttributeError('password is not a readable attribute') @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) def generate_confirmation_token(self, expiration=3600): s = Serializer(current_app.config['SECRET_KEY'], expiration) return s.dumps({'confirm': self.id}) def confirm(self, token): s = Serializer(current_app.config['SECRET_KEY']) try: data = s.loads(token) except: return False if data.get('confirm') != self.id: return False self.confirmed = True db.session.add(self) db.session.commit() return True 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) db.session.commit() # return True 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) db.session.commit() # return True 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) def ping(self): self.last_seen = datetime.utcnow() db.session.add(self) db.session.commit() # 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) def follow(self, user): if not self.is_following(user): f = Follow(follower=self, followed=user) db.session.add(f) db.session.commit() # def unfollow(self, user): f = self.followed.filter_by(followed_id=user.id).first() if f: db.session.delete(f) db.session.commit() def is_following(self, user): return self.followed.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 @property def followed_posts(self): return Post.query.join(Follow, Follow.followed_id == Post.author_id)\ .filter(Follow.follower_id == self.id) def to_json(self): json_user = { 'url': url_for('api.get_post', id=self.id, _external=True), 'username': self.username, 'member_since': self.member_since, 'last_seen': self.last_seen, '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 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