class User(db.Model, UserMixin):
# setting the name to 'users'
__tablename__ = 'users'
# setting the user id to an integer and making it to a unique primary key which auto-increments
id = db.Column(db.Integer, primary_key=True)
# setting the profile image to a string of 64 characters using the nullable to false to force the user to insert
# an image and if they have none they are given a static preloaded image
profile_image = db.Column(db.String(64),
nullable=False,
default='default_profile.png')
# emails and username are strings of 64 characters which are unique and indexed
email = db.Column(db.String(64), unique=True, index=True)
username = db.Column(db.String(64), unique=True, index=True)
# passwords are 128 character strings
password_hash = db.Column(db.String(128))
# relationships are set to blog posts by mentioning the particular model they have relationships with,
# they are given a reference called author which we use for reference to this relationship to template and they
# are lazily loaded
posts = db.relationship('BlogPost', backref='author', lazy=True)
# we instantiate the User model class
def __init__(self, email, username, password):
self.email = email
self.username = username
# here the password_hashed is set to a werkzeug generated representation of the password
self.password_hash = generate_password_hash(password)
# check password function checks the hashed password and also that we inputted
def check_password(self, password):
return check_password_hash(self.password_hash, password)
# we produce a printed version or representative for debugging purposes
def __repr__(self):
return f"Username {self.username}"
class User(db.Model,UserMixin):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
profile_image = db.Column(db.String(64),
nullable=False,
default='default_profile.png')
email = db.Column(db.String(),unique=True,
index=True)
username = db.Column(db.String(64),unique=True,
index=True)
password_hash = db.Column(db.String(128))
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):
return check_password_hash(self.password_hash,password)
def __repr__(self):
return 'Username {self.username}'
class BlogPost(db.Model):
# we set up and reference the relationship between the blog post and a User
users = db.relationship(User)
# we set up a column for the id of the blog post which is a primary key
id = db.Column(db.Integer, primary_key=True)
# we set up the user_id which is an integer which is an integer which is a foreign key referencing the id of the
# users table
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
# we set it to a date time column with the default set to the present date and time
date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
# we set the title to a string of 140 characters which must be filled
title = db.Column(db.String(140), nullable=False)
# text set to a db text and must be inputted
text = db.Column(db.Text, nullable=False)
# we then set the title text and userid as a representation attributes of the blog post class
def __init__(self, title, text, user_id):
self.title = title
self.text = text
self.user_id = user_id
# we then set up a representation of this class which can be used for debugging or testing purposes
def __repr__(self):
return f"Post Id: {self.id} --- Date: {self.date} --- Title: {self.title}"
class User(db.Model, UserMixin):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
profile_image = db.Column(db.String(64),
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))
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):
return check_password_hash(self.password_hash, password)
def to_json(self, user_id=None):
json_user = {
'url':
url_for('users_api.get_user', username=self.username),
'username':
self.username,
'posts_url':
url_for('users_api.get_user_posts', username=self.username),
'posts_count':
len(self.posts)
}
if user_id is not None and user_id == self.id:
json_user['email'] = self.email
return json_user
def __repr__(self):
return f"Username {self.username}"
class BlogPost(db.Model):
users = db.relationship(User)
id = db.Column(db.Integer, primary_key=True)
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(200), 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} --- {self.title}"
class BlogPost(db.Model):
users = db.relationship(User)
id = db.Column(db.Integer, primary_key=True)
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 to_json(self):
json_post = {
'url':
url_for('blog_posts_api.get_post', post_id=self.id),
'date':
self.date,
'title':
self.title,
'text':
self.text,
'author':
self.author.username,
'author_url':
url_for('users_api.get_user', username=self.author.username)
}
return json_post
@staticmethod
def from_json(json_post, user_id):
title = json_post.get('title')
text = json_post.get('text')
if title is None or title == '':
raise ValidationError('Post has no title.')
if text is None or text == '':
raise ValidationError('Post has no text.')
return BlogPost(title=title, text=text, user_id=user_id)
def __repr__(self):
return f"Post ID: {self.id} -- Date: {self.date} -- {self.title}"
class Doctors(db.Model,UserMixin):
__tablename__ = 'Doctors'
id = db.Column(db.Integer,primary_key = True)
name = db.Column(db.String(20),nullable = False)
email = db.Column(db.String(64),unique = True,index = True)
visiting_hours = db.Column(db.String(20),nullable = False)
qualification = db.Column(db.String(50),nullable = False)
specializaton = db.Column(db.String(140),nullable = False)
consultation_fees = db.Column(db.Integer, nullable = False)
profile_image = db.Column(db.String(64),default = 'default_image.jpg')
experience = db.Column(db.Text,nullable = False)
contact_number = db.Column(db.String(10),nullable = False)
description = db.Column(db.Text,nullable = False)
reviews = db.realtionship('Reviews',backref = 'doctor', lazy = True)
hospitals = db.realtionship('Hospitals',backref = 'doctor',lazy = True)