gistfile1.txt

 fun getStripeIdToServer(hm: Map<String, String>) =
    freebirdApi.authStripe(hm)
      .doOnSubscribe { view?.showProgress() }
      .doAfterTerminate { view?.hideProgress() }
      .flatMap { json ->
        view?.onJsonObjectCallback(json)
        return@flatMap freebirdApi.addExternalAccount(mapOf(Pair("token", json.getString("access_token"))))
      }
      .subscribe({
        preferences.setUserInfo(it.user)
        view?.finishActivity()
      }, {
        logError(it)
        view?.showToast(context.getString(R.string.default_error))
      })