mapFirebaseError.js

/* @flow */

// Types
type ErrorCode = string | number;
type ErrorMessage = string;

// Constants

// 1. Account exists
const accountExistsCodeAndroid: ErrorCode = 'auth/account-exists-with-different-credential';
const accountExistsCodeIOS: ErrorCode = 17012;
const accountExistsMessage: ErrorMessage = 'It looks like you've already authorised [APPLICATION_NAME] with another provider for this email address. Try logging in again with that provider.';

// 2. User cancelled operation
const userCancelledCodeAndroid: ErrorCode = 'auth/user-cancelled';
const userCancelledMessage: ErrorMessage = 'You haven't granted [APPLICATION_NAME] the permissions it needs. Try clicking login again.';

// 3. User closed popup
const popupClosedCodeAndroid: ErrorCode = 'auth/popup-closed-by-user';
const popUpClosedMessage: ErrorMessage = 'The Sign In popup was closed before finalizing the operation.';

// 4. User Not Found
const userNotFoundCodeAndroid: ErrorCode = 'auth/user-not-found';
const userNotFoundAlternativeCodeAndroid: ErrorCode = 'ERROR_USER_NOT_FOUND';
const userNotFoundCodeIOS: ErrorCode = 17011;
const userNotFoundMessage: ErrorMessage = 'This email address has no user associated with it. Check that the address is entered correctly, or choose the sign up option to create a new account.';

// 5. User Disabled
const userDisabledCodeAndroid: ErrorCode = 'auth/user-disabled';
const userDisabledCodeIOS: ErrorCode = 17005;
const userDisabledMessage: ErrorMessage = 'This user has been disabled';

// 6. Wrong Password
const wrongPasswordCodeAndroid: ErrorCode = 'auth/wrong-password';
const wrongPasswordAlternativeCodeAndroid: ErrorCode = 'ERROR_WRONG_PASSWORD';
const wrongPasswordCodeIOS: ErrorCode = 17009;
const wrongPasswordMessage: ErrorMessage = 'Incorrect password. If you signed up with Facebook, make sure to login with that option.';

// 7. Invalid Email Format
const invalidEmailFormatCodeAndroid: ErrorCode = 'auth/invalid-email';
const invalidEmailFormatCodeIOS: ErrorCode = 17008;
const invalidEmailFormatMessage: ErrorMessage = 'Please make sure the email address is correctly formatted';

// 8. Network timeout
const networkErrorCodeAndroid: ErrorCode = 'auth/network-request-failed';
const networkErrorCodeIOS: ErrorCode = 17020;
const networkErrorMessage: ErrorMessage = 'A network error (such as timeout, interrupted connection or unreachable host) has occurred.';

// 9. Weak Password
const weakPasswordCodeAndroid: ErrorCode = 'auth/weak-password';
const weakPasswordCodeIOS: ErrorCode = 17026;
const weakPasswordMessage: ErrorMessage = 'The password provided isn't strong enough. Please make sure it is alt least 6 characters long';

// 10. Email already in use
const emailExistsCodeAndroid: ErrorCode = 'auth/email-already-in-use';
const emailExistsAlternativeCodeAndroid: ErrorCode = 'ERROR_EMAIL_ALREADY_IN_USE';
const emailExistsCodeIOS: ErrorCode = 17007;
const emailExistsMessage: ErrorMessage = 'This email address already has an account associated with it. Choose the "Login" option rather than "Sign Up"';

// 11. Account exists with other provider
const existingProviderCodeAndroid: ErrorCode = 'auth/account-exists-with-different-credential';
const existingProviderCodeIOS: ErrorCode = 17012;
const existingProviderMessage: ErrorMessage = 'Account associated with different login provider. Try logging in with either Facebook or Email, depending on which one you signed up with initially';

// default
const defaultMessage: ErrorMessage = 'Login failed with unknown error';


// assignFirebaseError takes firebase web error code and returns an error message as a string
const mapFirebaseError = (code: ErrorCode): ErrorMessage => {
  switch (code) {
    // 1:
    case accountExistsCodeAndroid:
      return accountExistsMessage;
    case accountExistsCodeIOS:
      return accountExistsMessage;
    // 2:
    case userCancelledCodeAndroid:
      return userCancelledMessage;
    // 3:
    case popupClosedCodeAndroid:
      return popUpClosedMessage;
    // 4:
    case userNotFoundCodeAndroid:
      return userNotFoundMessage;
    case userNotFoundAlternativeCodeAndroid:
      return userNotFoundMessage;
    case userNotFoundCodeIOS:
      return userNotFoundMessage;
    // 5:
    case userDisabledCodeAndroid:
      return userDisabledMessage;
    case userDisabledCodeIOS:
      return userDisabledMessage;
    // 6:
    case wrongPasswordCodeAndroid:
      return wrongPasswordMessage;
    case wrongPasswordAlternativeCodeAndroid:
      return wrongPasswordMessage;
    case wrongPasswordCodeIOS:
      return wrongPasswordMessage;
    // 7:
    case invalidEmailFormatCodeAndroid:
      return invalidEmailFormatMessage;
    case invalidEmailFormatCodeIOS:
      return invalidEmailFormatMessage;
    // 8:
    case networkErrorCodeAndroid:
      return networkErrorMessage;
    case networkErrorCodeIOS:
      return networkErrorMessage;
    // 9:
    case weakPasswordCodeAndroid:
      return weakPasswordMessage;
    case weakPasswordCodeIOS:
      return weakPasswordMessage;
    // 10:
    case emailExistsCodeAndroid:
      return emailExistsMessage;
    case emailExistsAlternativeCodeAndroid:
      return emailExistsMessage;
    case emailExistsCodeIOS:
      return emailExistsMessage;
    // 11:
    case existingProviderCodeAndroid:
      return existingProviderMessage;
    case existingProviderCodeIOS:
      return existingProviderMessage;
    // default
    default:
      return defaultMessage;
  }
};

export default mapFirebaseError;