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(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.image_file}')"
class Role(db.Model):
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), primary_key=True)
role_name = db.Column(db.String(30))
date_granted = db.Column(db.DateTime(), default=dt.utcnow)
def __repr__(self):
return f'<User {self.user_id} is {self.role_name}>'
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}')"
class Message(db.Model):
id = db.Column(db.Integer, primary_key=True)
sender_id = db.Column(db.Integer, db.ForeignKey('user.id'))
recipient_id = db.Column(db.Integer, db.ForeignKey('user.id'))
title = db.Column(db.String(200), nullable=False)
body = db.Column(db.Text(2000), nullable=False)
date_send = db.Column(db.DateTime(), default=dt.utcnow)
seen = db.Column(db.Boolean(), default=False)
deleted = db.Column(db.Boolean())
def __repr__(self):
return f'<Message №{self.id} from {self.sender} to {self.recipient}>'
class UserInfo(db.Model):
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), primary_key=True)
birthdate = db.Column(db.Date())
avatar = db.Column(db.String(120), default='default.png')
gender = db.Column(db.String(1))
job = db.Column(db.String(60))
about = db.Column(db.Text(600))
origin_country_id = db.Column(db.Integer, db.ForeignKey('country.id'))
registration_date = db.Column(db.Date(), default=dt.utcnow)
last_seen = db.Column(db.DateTime(), default=dt.utcnow)
origin_country = db.relationship('Country',
lazy=True,
uselist=False,
backref=db.backref('natives',
uselist=True))
def __repr__(self):
return f'<Info about {self.user.username}>'
class Country(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(60), index=True, unique=True)
code = db.Column(db.String(2), index=True, unique=True)
info = db.relationship('CountryInfo',
backref='country',
uselist=False,
cascade='all')
articles = db.relationship('Article',
secondary=country_tag,
lazy='dynamic',
backref='country_tags',
cascade='all')
def __repr__(self):
return f'<Country {self.name}>'
@staticmethod
def get_country_list():
with current_app.app_context():
return Country.query.all()
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
article_id = db.Column(db.Integer, db.ForeignKey('article.id'))
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
body = db.Column(db.Text(2000), nullable=False)
date_posted = db.Column(db.DateTime(), default=dt.utcnow)
last_updated = db.Column(db.DateTime())
def __repr__(self):
return f'<Comment №{self.id} on post {self.article.title}>'
class Article(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
body = db.Column(db.Text(100000), nullable=False)
title = db.Column(db.String(200), index=True, nullable=False)
article_type = db.Column(db.String(10))
date_posted = db.Column(db.DateTime(), default=dt.utcnow)
last_updated = db.Column(db.DateTime())
comments = db.relationship('Comment',
backref='article',
cascade='all',
lazy='dynamic')
def __repr__(self):
return (f'<Article {self.id} title {self.title} '
f'by user {self.article_author.username}>')
class User(UserMixin, db.Model):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), index=True, unique=True)
email = db.Column(db.String(120), index=True, unique=True)
password_hash = db.Column(db.String(128))
active = db.Column(db.Boolean())
info = db.relationship('UserInfo',
backref='user',
uselist=False,
cascade='all')
comments = db.relationship('Comment', backref='comment_author')
articles = db.relationship('Article', backref='article_author')
followers = db.relationship(
'User',
secondary=user_followers,
primaryjoin=id == user_followers.c.followed_id,
secondaryjoin=id == user_followers.c.follower_id,
backref='follows')
sent_messages = db.relationship('Message',
foreign_keys='Message.sender_id',
lazy='dynamic',
backref=db.backref('sender', lazy=True))
received_messages = db.relationship('Message',
foreign_keys='Message.recipient_id',
lazy='dynamic',
backref=db.backref('recipient',
lazy=True))
followed_countries = db.relationship('Country',
secondary=country_follower,
lazy=True,
backref='followers')
visited_countries = db.relationship('Country',
secondary=country_visitor,
lazy=True,
backref='visitors')
liked_articles = db.relationship('Article',
secondary=article_likes,
lazy=True,
backref='likes')
disliked_articles = db.relationship('Article',
secondary=article_dislikes,
lazy=True,
backref='dislikes')
role = db.relationship('Role', backref='user', uselist=False)
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 make_token(self):
payload = {
'exp': dt.utcnow() + timedelta(hours=1),
'iat': dt.utcnow(),
'id': self.id
}
return jwt.encode(payload, current_app.config['SECRET_KEY'],
'HS256').decode('utf-8')
@staticmethod
def process_token(token):
try:
id = jwt.decode(token, current_app.config['SECRET_KEY'],
'HS256')['id']
except:
return None
return User.query.get(id)
class CountryInfo(db.Model):
country_id = db.Column(db.Integer,
db.ForeignKey('country.id'),
primary_key=True)
capital = db.Column(db.String(20))
population = db.Column(db.Integer)
land_area = db.Column(db.Integer)
currency = db.Column(db.String(40))
currency_code = db.Column(db.String(3))
language = db.Column(db.String(30))
time_zone = db.Column(db.String(50))
time_offset = db.Column(db.String(10))
weather = db.Column(db.Text(600))
description = db.Column(db.Text(2000))
region = db.Column(db.String(20))
subregion = db.Column(db.String(40))
last_updated = db.Column(db.DateTime(), default=dt.utcnow)
def __repr__(self):
return f'<Info about {self.country.name}>'
from datetime import datetime as dt, timedelta
from hashlib import md5
from time import time
import jwt
from flask import current_app
from flask_login import UserMixin, current_user
from flask_admin.contrib.sqla import ModelView
from werkzeug.security import generate_password_hash, check_password_hash
from travelblog import db, login, admin
country_visitor = db.Table(
'country_visitor',
db.Column('user_id',
db.Integer,
db.ForeignKey('user.id'),
primary_key=True),
db.Column('country_id',
db.Integer,
db.ForeignKey('country.id'),
primary_key=True))
country_follower = db.Table(
'country_follower',
db.Column('user_id',
db.Integer,
db.ForeignKey('user.id'),
primary_key=True),
db.Column('country_id',
db.Integer,
db.ForeignKey('country.id'),
