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) posts = db.relationship('Post', backref='author', lazy=True) def get_reset_token(self, expires_sec=1800): s = Serializer(app.config['SECRET_KEY'], expires_sec) return s.dumps({'user_id': self.id}).decode('utf-8') @staticmethod def verify_reset_token(token): s = Serializer(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 f"User('{self.username}', '{self.email}', '{self.image_file}')"
class Test_student(db.Model): id = db.Column(db.Integer, primary_key=True) student_number = db.Column(db.Integer, nullable=False, unique=True) passport_number = db.Column(db.Integer, nullable=False, unique=True) student_name = db.Column(db.String(25), nullable=False) last_name = db.Column(db.String(25), nullable=False) def __repr__(self): return f"Test_student('{self.student_number}', '{self.passport_number}')"
class Deadline(db.Model): id = db.Column(db.Integer, primary_key=True) extended_deadline = db.Column(db.DateTime, nullable=True, default=datetime.utcnow) deadline = db.Column(db.DateTime, nullable=True, default=datetime.utcnow) def __repr__(self): return f"Course('{self.extended_deadline}', '{self.deadline}')"
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) user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False) marks = db.relationship('Mark', backref='point', lazy=True) file = db.Column(db.String(100)) privacy = db.Column(db.Boolean, nullable=False, default=False) status = db.Column(db.Boolean, nullable=False, default=False) def __repr__(self): return f"Post('{self.title}', '{self.date_posted}')"
class Mark(db.Model): id = db.Column(db.Integer, primary_key=True) score = db.Column(db.Integer, nullable=False) date_mark = db.Column(db.DateTime, nullable=False, default=datetime.utcnow) commment = db.Column(db.Text, nullable=True) id_post = db.Column(db.Integer, db.ForeignKey('post.id'))