IAPHUB settings

IAPHUB-settings.js

// VERSIONS
// "react-native": "0.63.3"
// "react-native-iap": "5.1.3"
// "react-native-iaphub": "6.0.3"

// OUR CODE
import Iaphub from 'react-native-iaphub';

// APP INIT
const iaphubInit = async () => {
  try {
    await Iaphub.init({
      appId: IAPHUB_APP_ID,
      apiKey: IAPHUB_API_KEY,
      environment: 'production',
    });
  } catch (error) {
    logError(error);
  }
};

// USER LOGGED IN
...
await Iaphub.setUserId(uid);
await Iaphub.setUserTags(tags);
const userProducts = await Iaphub.getActiveProducts({
  includeSubscriptionStates: ['retry_period', 'paused'],
});
// if user has the subscription save to async storage
...

// PRODUCTS SCREEN
// return await Iaphub.getProductsForSale();
// we only have one IAP - a yearly renewing subscription
const onSubscribeToPremium = async (productSku) => {
  try {
    setLog('Connected to App Store. Please remain on this screen');
    const transaction = await Iaphub.buy(productSku, {
      onReceiptProcess: (receipt) => {/* ...log receipt... */},
    });
    const alert = formatTransactionStatus(transaction); // see helper method below
    Alert.alert(/* display transaction result */);
  } catch (error) {
    if (formatError(error) === 'Transaction not found') {
      // iOS 14 issue: https://github.com/iaphub/react-native-iaphub/issues/20
      setLog('Transaction completed');
    } else if (error.code === 'user_cancelled') {
      return;
    } else if (error.code === 'product_already_owned') {
      Alert.alert(
        'Product already owned',
        'Please restore your purchase on this device',
        [
          {text: 'Cancel', style: 'cancel'},
          {
            text: 'Restore',
            onPress: async () => {
              await iaphubRestore(uid);
              setLog('Product restored');
            },
          },
        ],
      );
    } else {
      const alert = formatTransactionError(error.code); // see helper method below
      Alert.alert(/* display transaction result */);
      setLog(`${alert[1]}`);
    }
  }
};

// helper methods
const formatBillingMessage = (product) => {
  let message = 'Manage purchases on your device account settings screen';
  if (product.isSubscriptionRetryPeriod || product.isSubscriptionGracePeriod) {
    message = 'URGENT! Please update your billing information';
  }
  return message;
};

const formatTransactionStatus = (transaction) => {
  let status = [];
  if (transaction.webhookStatus === 'failed') {
    /*
     * The purchase has been successful but we need to check that the webhook to our server was successful as well
     * If the webhook request failed, IAPHUB will send you an alert and retry again in 1 minute, 10 minutes, 1 hour and 24 hours.
     * You can retry the webhook directly from the dashboard as well
     */
    status.push(
      'Purchase successful',
      'Your purchase was successful and waiting to be validated on our server, this can take a few minutes. If you cannot access premium features please contact support via the link on the Profile screen',
    );
  } else {
    status.push(
      'Purchase successful',
      'Your purchase has been processed successfully! All premium features are now unlocked. Your account screen may take a few minutes to reflect your subscription',
    );
  }
  return status;
};

const formatTransactionError = (errorCode) => {
  let errMessage = [];
  if (errorCode === 'deferred_payment') {
    errMessage.push(
      'Purchase awaiting approval',
      'Your purchase is awaiting approval from the parental control',
    );
  } else if (errorCode === 'receipt_validation_failed') {
    errMessage.push(
      'We‘re having trouble validating your transaction',
      'Give us some time, we‘ll retry to validate your transaction ASAP!',
    );
  } else if (errorCode === 'receipt_invalid') {
    errMessage.push(
      'Purchase error',
      'We were not able to process your purchase, if you‘ve been charged please contact support via the link on the Profile screen',
    );
  } else if (errorCode === 'receipt_request_failed') {
    errMessage.push(
      'Purchase awaiting approval',
      'Your purchase was successful and waiting to be validated on our server, this can take a few minutes. If you cannot access premium features please contact support via the link on the Profile screen',
    );
  } else {
    errMessage.push(
      'Purchase error',
      'We were not able to process your purchase, please try again later or contact support via the link on the Profile screen',
    );
  }
  return errMessage;
};