class Answer(db.Model):
id = db.Column(db.Integer, primary_key=True)
question_id = db.Column(db.Integer,
db.ForeignKey('question.id', ondelete='CASCADE'))
question = db.relationship('Question', backref=db.backref('answer_set'))
content = db.Column(db.Text(), nullable=False)
create_date = db.Column(db.DateTime(), nullable=False)
class Content(db.Model):
id = db.Column(db.Integer, primary_key=True)
writer = db.Column(db.String(20), nullable=False)
title = db.Column(db.String(20), nullable=False)
content = db.Column(db.Text, nullable=False)
category_id = db.Column(db.Integer,
db.ForeignKey("category.id"),
nullable=False)
category = db.relationship("Category", backref=db.backref("contents"))
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(80), 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}')"