def post(cls):
data = cls.parser.parse_args()
#Check if the username already exists
#if True, return an error message
#else, create a new user object, save it and return a success message
if UserModel.get_by_username(data['username']):
return {"message": "The username already exists"}, 409
if UserModel.get_by_email(data['email']):
return {"message": "The email already exists"}, 409
user = UserModel(data['username'], data['email'], data['password'])
user.save()
return {"message": "User created successfully"}, 201
def authenticate(username, password):
user = User.get_by_username(username)
if user.password == password:
return user
