class User(db.Model, UserMixin): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(20), nullable=False) password = db.Column(db.String(60), nullable=False) timestamp = db.Column(db.DateTime, default=datetime.utcnow) following = db.relationship("Follow", back_populates="user")
class User(db.Model, UserMixin, Base): id = db.Column(db.Integer, primary_key=True) user_name = db.Column(db.String(20), nullable=False) email = db.Column(db.String(120), unique=True, nullable=False) profile_image = db.Column( db.String(20), nullable=False, default='user_profile.png') password = db.Column(db.String(60), nullable=True) courses = db.relationship('Course', backref='author', lazy=True) categories = db.relationship('Category', backref='author', lazy=True) def __repr__(self): return f"User('{self.user_name}', '{self.email}', '{self.image_file}')"
class Course(db.Model, Base): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(100), nullable=False) description = db.Column(db.Text, nullable=False) price = db.Column(db.Integer) Category_id = db.Column(db.Integer, db.ForeignKey('category.id')) user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
class Channel(db.Model): id = db.Column(db.Integer, primary_key=True) channel_name = db.Column(db.String(40), nullable=False) admin_id = db.Column(db.Integer, nullable=True, default=None) public = db.Column(db.Boolean(), nullable=False, default=True) timestamp = db.Column(db.DateTime, default=datetime.utcnow) posts = db.relationship("Post", back_populates="channel") followers = db.relationship("Follow", back_populates="channel")
class Post(db.Model): """Association Table between User and Channel""" id = db.Column(db.Integer, primary_key=True) chan_id = db.Column(db.Integer, db.ForeignKey('channel.id')) user_name = db.Column(db.String(20), nullable=False) text = db.Column(db.Text, nullable=False) timestamp = db.Column(db.DateTime, default=datetime.utcnow) channel = db.relationship("Channel", back_populates="posts")
class Category(db.Model, Base): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(100), nullable=False) description = db.Column(db.Text, nullable=False) user_id = db.Column(db.Integer, db.ForeignKey('user.id')) courses = db.relationship('Course', backref='category', lazy=True)