class User(db.Model, UserMixin):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(15), unique=True, nullable=False)
email = db.Column(db.String(30), unique=True, nullable=False)
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
password = db.Column(db.String(60), nullable=False)
blog = db.relationship('Blog', backref='author', lazy=True)
comments = db.relationship('Comment', backref='author', lazy=True)
def __repr__(self):
return f'User{self.username}'
class User(db.Model, UserMixin):
__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)
image_file = db.Column(db.String())
password = db.Column(db.String(60), nullable=False)
## backref allows relationship lazy will load db as necessary
posts = db.relationship('Post', backref='user', lazy=True)
#TOKEN CREATION-- will expire in 30 minutes for the user
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')
# TOKEN VERIFICATION
#staticmethod tell python not to accept self as an argument only the given arugment
@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 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)
# Get token and return with payload
def get_reset_token(self, expires_sec=1800): # 30 minutes
s = Serializer(app.config['SECRET_KEY'], expires_sec)
return s.dumps({'user_id': self.id}).decode('utf-8')
# Try except because token may be expired
# Tell python that self is not used in method
@staticmethod
def verify_reset_token(token):
s = Serializer(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 User(db.Model, UserMixin):
# table no 1:
__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) # what does later two attributes mean?
username = db.Column(db.String(64), unique=True, index=True)
password_hash = db.Column(db.String(128))
# 'posts' 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):
return check_password_hash(self.password_hash, password)
def __repr__(self):
return f"Username: {self.username}"
class Blog(db.Model):
__tablename__ = "blogs"
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('users.id'))
comments = db.relationship('Comment', backref='post', lazy=True)
def __repr__(self):
return f"Post('{self.title}', '{self.date_posted}')"
class BlogPost(db.Model):
__tablename__ = 'blogposts'
users = db.relationship(User)
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
picture = db.Column(db.String(64), nullable=False, default='default.png')
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, picture, text, user_id):
self.title = title
self.picture = picture
self.text = text
self.user_id = user_id
def __repr__(self):
return f"Post ID: {self.id}"
class BlogPost(db.Model):
# table no 2:
users = db.relationship(User)
id = db.Column(db.Integer, primary_key=True)
# user_id connects User and BlogPost
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=True)
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}"
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))
posts = db.relationship('Post', backref='author', lazy='dynamic')
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 '<User {}>'.format(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 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)
def avatar(self, size):
digest = md5(self.email.lower().encode('utf-8')).hexdigest()
return 'https://www.gravatar.com/avatar/{}?d=identicon&s={}'.format(
digest, 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())
