deleteUserEmail method

Implementation

@override
Future<void> deleteUserEmail(
  UserEmail email, {
  UserPassword? password,
  ConfirmationCode? confirmation,
}) async {
  Log.debug(
    'deleteUserEmail($email, password: ${password?.obscured}, confirmation: $confirmation)',
    '$runtimeType',
  );

  if (myUser.value?.emails.unconfirmed == email) {
    await _debounce(
      field: MyUserField.email,
      current: () => myUser.value?.emails.unconfirmed,
      saved: () async => (await _active)?.value.emails.unconfirmed,
      value: null,
      mutation: (value, previous) async {
        if (previous != null) {
          return await _graphQlProvider.deleteUserEmail(
            previous,
            confirmation:
                confirmation == null && password == null
                    ? null
                    : MyUserCredentials(
                      code: confirmation,
                      password: password,
                    ),
          );
        } else if (value != null) {
          return await _graphQlProvider.addUserEmail(
            value,
            confirmation: confirmation,
          );
        }

        return null;
      },
      update:
          (v, p) => myUser.update(
            (u) =>
                p != null
                    ? u?.emails.unconfirmed = null
                    : u?.emails.unconfirmed = v,
          ),
    );
  } else {
    int i = myUser.value?.emails.confirmed.indexOf(email) ?? -1;

    if (i != -1) {
      myUser.update((u) => u?.emails.confirmed.remove(email));
    }

    try {
      await _graphQlProvider.deleteUserEmail(
        email,
        confirmation:
            confirmation == null && password == null
                ? null
                : MyUserCredentials(code: confirmation, password: password),
      );
    } catch (_) {
      if (i != -1) {
        i = min(i, myUser.value?.emails.confirmed.length ?? 0);
        myUser.update((u) => myUser.value?.emails.confirmed.insert(i, email));
      }
      rethrow;
    }
  }
}