Simple Method based view

simple_view.py

def make_response(status, data=None):
    data = data or {}
    return JSONResponse(status=status, data=data)


def check_and_create_bucket(name, user):
    if bucket_exists(name, user):
        return (False, None)
    return (True, create_bucket(name, user))


class TodoBucketListView(BaseMethodView):
    def post(self):
        # Authentication
        user = get_user_from_request()
        if not user:
            return make_response(status=401)
        data = request.POST
        # Input Validation
        validator = NewBucketValidator(data)
        if validator.validate():
            res = check_and_create_bucket(validator.name, user=user)
            if res[0]:
                data = format_new_bucket(res[1])
                return make_response(status=201, data=data)
            return make_response(status=400, data={'name': 'Already exists'})
        return make_response(status=400, data=validator.errors)