class Result(db.Model):
__tablename__ = 'result'
id = db.Column(db.Integer, primary_key=True)
percentage = db.Column(db.Float, nullable=False)
date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
def __repr__(self):
return f"Result('{self.percentage}','{self.date}')"
class User(db.Model, UserMixin):
__tablename__ = 'user'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(16), unique=True, nullable=False)
email = db.Column(db.String(64), unique=True, nullable=False)
password = db.Column(db.String(32), nullable=False)
results = db.relationship('Result', backref='examinee', lazy=True)
def get_reset_token(self, expires_sec=900):
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}')"
class Trivia(db.Model):
__tablename__ = 'trivia'
id = db.Column(db.Integer, primary_key=True)
question = db.Column(db.String, unique=True, nullable=False)
correct_answer = db.Column(db.String, nullable=False)
incorrect_answer = db.Column(db.String, nullable=False)
incorrect_answer2 = db.Column(db.String, nullable=True)
incorrect_answer3 = db.Column(db.String, nullable=True)
def __repr__(self):
return f"Trivia('{self.question}','{self.correct_answer}', '{self.incorrect_answer}', '{self.incorrect_answer2}', '{self.incorrect_answer3}')"
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
body = db.Column(db.String(140))
timestamp = db.Column(db.DateTime, index=True, default=datetime.utcnow)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
language = db.Column(db.String(5))
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(128), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
posts = db.relationship('Post', backref='author', lazy='dynamic')
about_me = db.Column(db.String(140))
last_seen = db.Column(db.DateTime, default=datetime.utcnow)
followed = db.relationship('User',
secondary=followers,
primaryjoin=(followers.c.follower_id == id),
secondaryjoin=(followers.c.followed_id == id),
backref=db.backref('followers', lazy='dynamic'),
lazy='dynamic')
def __repr__(self):
return f'<User {self.username}>'
def set_password(self, password):
self.password_hash = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password_hash, password)
def avatar(self, size):
digest = md5(self.email.lower().encode('utf-8')).hexdigest()
return f'https://www.gravatar.com/avatar/{digest}?d=identicon&s={size}'
def follow(self, user):
if not self.is_following(user):
self.followed.append(user)
def unfollow(self, user):
if self.is_following(user):
self.followed.remove(user)
def is_following(self, user):
return self.followed.filter(
followers.c.followed_id == user.id).count() > 0
def followed_posts(self):
followed = Post.query.join(
followers, (followers.c.followed_id == Post.user_id)).filter(
followers.c.follower_id == self.id)
own = Post.query.filter_by(user_id=self.id)
return followed.union(own).order_by(Post.timestamp.desc())
def get_reset_password_token(self, expires_in=600):
return jwt.encode(
{
'reset_password': self.id,
'exp': time() + expires_in
},
current_app.config['SECRET_KEY'],
algorithm='HS256').decode('utf-8')
@staticmethod
def verify_reset_password_token(token):
try:
id = jwt.decode(token,
current_app.config['SECRET_KEY'],
algorithms=['HS256'])['reset_password']
except:
return
return User.query.get(id)
from datetime import datetime
from hashlib import md5
from time import time
from flask import current_app
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
import jwt
from cat import db, login
followers = db.Table(
'followers', db.Column('follower_id', db.Integer,
db.ForeignKey('user.id')),
db.Column('followed_id', db.Integer, db.ForeignKey('user.id')))
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(128), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
posts = db.relationship('Post', backref='author', lazy='dynamic')
about_me = db.Column(db.String(140))
last_seen = db.Column(db.DateTime, default=datetime.utcnow)
followed = db.relationship('User',
secondary=followers,
primaryjoin=(followers.c.follower_id == id),
secondaryjoin=(followers.c.followed_id == id),
backref=db.backref('followers', lazy='dynamic'),
lazy='dynamic')
def __repr__(self):