今後の支払いのために SEPA ダイレクトデビット詳細を保存する

import { StripeProvider } from '@stripe/stripe-react-native';

function App() {
  const [publishableKey, setPublishableKey] = useState('');

  const fetchPublishableKey = async () => {
    const key = await fetchKey(); // fetch key from your server here
    setPublishableKey(key);
  };

  useEffect(() => {
    fetchPublishableKey();
  }, []);

  return (
    <StripeProvider
      publishableKey={publishableKey}
      merchantIdentifier="merchant.identifier" // required for Apple Pay
      urlScheme="your-url-scheme" // required for 3D Secure and bank redirects
    >
      // Your app code here
    </StripeProvider>
  );
}

export default function SepaSetupFuturePaymentScreen() {
  const [email, setEmail] = useState('');
  const [iban, setIban] = useState('');

  return (
    <Screen>
      <TextInput
        placeholder="E-mail"
        keyboardType="email-address"
        onChange={(value) => setEmail(value.nativeEvent.text)}
        style={styles.input}
      />
      <TextInput
        placeholder="Iban"
        onChange={(value) => setIban(value.nativeEvent.text.toLowerCase())}
        style={styles.input}
      />
      <Button
        variant="primary"
        onPress={handlePayPress}
        title="Save IBAN"
        loading={loading}
      />
    </Screen>
  );
}

export default function SepaSetupFuturePaymentScreen() {
  const [iban, setIban] = useState('');
  const {confirmSetupIntent, loading} = useConfirmSetupIntent();

  const handlePayPress = async () => {
    const clientSecret = await createSetupIntentOnBackend(email);

    const billingDetails: PaymentMethodCreateParams.BillingDetails = {
      name: 'Jenny Rosen',
      email: 'jenny.rosen@example.com',
    };

    const {error, setupIntent} = await confirmSetupIntent(clientSecret, {
      paymentMethodType: 'SepaDebit',
      paymentMethodData: {
        billingDetails,
        iban,
      }
    });

    if (error) {
      Alert.alert(`Error code: ${error.code}`, error.message);
      console.log('Setup intent confirmation error', error.message);
    } else if (setupIntent) {
      Alert.alert(
        `Success: Setup intent created. Intent status: ${setupIntent.status}`,
      );
    }
  };

  return <Screen>{/* ... */}</Screen>;
}