def register_user(cls, google_account, account_type):
"""
Register a new user account
Return the user entity
"""
user = UserEntity.create(user = google_account, account_type = account_type)
user_key = user.put()
return cls.retrieve_user_by_key(user_key)
def retrieve_user_by_key(cls, user_key):
"""
Retrieve a user by key
Throw a UserNotFoundException if no user is found
"""
user = UserEntity.get(user_key)
if user is None:
raise UserNotFoundException
return user
def retrieve_user_by_account(cls, google_account):
"""
Retrieve the entity user associated to a google account
Throw a UserNotFoundException if no user is found
"""
user = UserEntity.gql('WHERE user = :1', google_account).get()
if user is None:
raise UserNotFoundException
return user