class Question(db.Model):
id = db.Column(db.Integer, primary_key=True)
term = db.Column(db.String(100), nullable=False)
definition = db.Column(db.Text, nullable=False)
quiz_id = db.Column(db.Integer, db.ForeignKey('quiz.id'), nullable=False)
def __repr__(self):
return f"Question('{self.term}', '{self.definition}')"
class Quiz(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
questions = db.relationship('Question', backref='quiz', lazy=True)
chapter_id = db.Column(db.Integer, db.ForeignKey('chapter.id'))
def __repr__(self):
return f"Quiz('{self.title}')"
class Chapter(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
quiz = db.relationship('Quiz', backref='chapter', uselist=False)
textbook_id = db.Column(db.Integer,
db.ForeignKey('textbook.id'),
nullable=False)
def __repr__(self):
return f"Chapter('{self.title}')"
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)
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
password = db.Column(db.String(60), nullable=False)
def __repr__(self):
return f"User('{self.username}', '{self.email}', '{self.image_file}')"
class Textbook(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
chapters = db.relationship('Chapter', backref='textbook', lazy=True)
def __repr__(self):
return f"Textbook('{self.title}')"
# 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}')"