import functools

from flask import _request_ctx_stack

from auth_api.providers import AuthProviderFactory


def auth(f):
    """Validates request with the required auth provider."""

    provider_factory = AuthProviderFactory()

    @functools.wraps(f)
    def wrapper(*args, **kwargs):
        provider = provider_factory.create()
        _request_ctx_stack.top.current_user = provider.authorize()
        return f(*args, **kwargs)

    return wrapper