class User(db.Model, UserMixin):
#this makes a table call users for each account to be associated with the
# system.
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key = True)
profile_image = db.Column(db.String(20), nullable=False, default='default_profile.png')
email = db.Column(db.String(64), unique=True, index=True)
username = db.Column(db.String(64), unique=True, index=True)
password_hash = db.Column(db.String(128))
# This connects BlogPosts to a User Author.
posts = db.relationship('BlogPost', backref='author', lazy=True)
def __init__(self, email, username, password):
self.email = email
self.username = username
self.password_hash = generate_password_hash(password)
def check_password(self,password):
# this password hashing is salted, so that it is immune to a
# rainbow table attack. Each time the function is called,
# the password hash is also different.
return check_password_hash(self.password_hash,password)
def __repr__(self):
return f"UserName: {self.username}"
class Role(db.Model):
__tablename__ = 'roles'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(60), unique=True)
description = db.Column(db.String(200))
users = db.relationship('Customer', backref='role', lazy='dynamic')
def __repr__(self):
return '<Role: {}>'.format(self.name)
class BlogPost(db.Model):
# This initiates the review table and associates user to it.
users = db.relationship(User)
# This initiates the id for each review.
id = db.Column(db.Integer, primary_key=True)
# The foreign key with the review id creates a unique instance.
# The date, title and text compose the review for the now, it does
# not feature product information.
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
title = db.Column(db.String(140), nullable=False)
text = db.Column(db.Text, nullable=False)
def __init__(self, title, text, user_id):
self.title = title
self.text = text
self.user_id =user_id
def __repr__(self):
return f"Post Id: {self.id} --- Date: {self.date} --- Title: {self.title}"