class User(db.Model, UserMixin):
# lower case table name
__tablename__ = 'users'
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)
password = db.Column(db.String(60), nullable=False)
role = db.Column(db.Enum(RoleEnum), nullable=False)
registrations = db.relationship('Registration', backref='user', lazy=True)
def get_reset_token(self, expires_sec=1800):
s = Serializer(current_app.config['SECRET_KEY'], expires_sec)
return s.dumps({'user_id': self.id}).decode('utf-8')
@staticmethod
def verify_reset_token(token):
s = Serializer(current_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.role}')"
class Registration(db.Model):
__tablename__ = 'registrations'
# id = db.Column(db.Integer, unique=True)
registration_time = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow)
# todo should user_id and event_id be primary key?
user_id = db.Column(db.Integer,
db.ForeignKey('users.id'),
nullable=False,
primary_key=True)
event_id = db.Column(db.Integer,
db.ForeignKey('events.id'),
nullable=False,
primary_key=True)
# user can write review only when registered the event.
# added an extra column here to record review.
# review can be null if no reviews added.
# An extra review db table is not needed, but review collections still exist in API representation.
# review includes: content, rating and creation time.
review_time: Column = db.Column(db.DateTime, default=None)
review_content = db.Column(db.String(100), default=None)
review_rating = db.Column(db.Enum(Rating), default=None)
def __repr__(self):
return f"Registration('{self.event_id}', '{self.user_id}', '{self.registration_time}', " \
f" review: '{self.review_time}', '{self.review_content}', '{self.review_rating}')"
class Event(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
date = db.Column(db.Date, nullable=False)
time = db.Column(db.Time, nullable=False)
description = db.Column(db.Text, nullable=False)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
def __repr__(self):
return f"Event('{self.title}', '{self.date} {self.time}')"
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
first_name = db.Column(db.String(120))
last_name = db.Column(db.String(120))
email = db.Column(db.String(120), unique=True, nullable=False)
password = db.Column(db.Text(), nullable=False)
roles = db.relationship('Role',
secondary=roles_users,
backref=db.backref('users', lazy='dynamic'))
def hash_password(self):
self.password = generate_password_hash(self.password)
def is_admin(self):
return 'admin' in self.roles
# def __repr__(self):
# return '<User {first_name} {last_name}>'\
# .format(self.first_name, self.last_name)
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(90), unique=True, nullable=False)
image_file = db.Column(db.String(20), nullable=False, default='user.png')
password = db.Column(db.String(60), nullable=False)
events = db.relationship('Event', backref='user', lazy=True)
def get_reset_token(self, expire_sec=1800):
s = Serializer(current_app.config['SECRET_KEY'], expire_sec)
return s.dumps({'user_id': self.id}).decode('utf-8')
@staticmethod
def verify_reset_token(token):
s = Serializer(current_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}')"
class Event(db.Model):
__tablename__ = 'events'
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
time_posted = db.Column(db.DateTime,
nullable=False,
default=datetime.utcnow())
time_start = db.Column(db.DateTime, nullable=True)
time_end = db.Column(db.DateTime, nullable=True)
event_address = db.Column(db.String(200), nullable=False)
description = db.Column(db.String, nullable=False)
sponsor_id = db.Column(db.Integer,
db.ForeignKey('users.id'),
nullable=False)
category = db.Column(db.Enum(EventEnum), nullable=False)
status = db.Column(db.Enum(StatusEnum), nullable=True)
registrations = db.relationship('Registration',
backref='event',
lazy=True,
cascade="all, delete-orphan")
def __repr__(self):
return f"Event('{self.id}', '{self.title}', '{self.description}', '{self.category}', \
class Role(db.Model, BaseModel):
description = db.Column(db.String(80), nullable=False)
class BaseModel():
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(120), unique=True, nullable=False)
def __repr__(self):
return '<Center %r>' % self.name
class Center(db.Model, BaseModel):
user_id = db.Column(db.Integer(), db.ForeignKey('user.id'))
user = db.relationship('User',
backref=db.backref('centers', lazy='dynamic'))
location = db.Column(db.String(80), nullable=False)