createOperationDeposit method

Implementation

@override
Future<Rx<Operation>?> createOperationDeposit({
  required OperationDepositMethodId methodId,
  required Price nominal,
  OperationDepositSecret? paypal,
  required CountryCode country,
}) async {
  Log.debug(
    'createOperationDeposit(methodId: $methodId, nominal: $nominal, paypal: ${paypal?.obscured}, country: $country)',
    '$runtimeType',
  );

  if (paypal == null) {
    throw Exception('`paypal` shouldn\'t be `null`');
  }

  final mixin = await _graphQlProvider.createOperationDeposit(
    methodId: methodId,
    kind: OperationDepositInput(
      paypal: OperationDepositPayPalInput(
        nominal: nominal.sum,
        secret: paypal,
      ),
    ),
    country: country,
  );

  final OperationsEventsEvent events = OperationsEventsEvent(
    OperationsEventsVersioned(
      mixin.events.map(operationEvent).toList(),
      mixin.ver,
      mixin.listVer,
    ),
  );

  await _operationsEvent(events, updateVersion: false);

  // Await for `transform` callback in [operations] to happen.
  await Future.delayed(Duration.zero);

  final Operation? operation = events.event.events
      .firstWhereOrNull((e) => e.operation.value is OperationDeposit)
      ?.operation
      .value;

  if (operation is OperationDeposit) {
    final Rx<Operation>? existing = operations.items[operation.id];

    if (existing == null) {
      Log.debug(
        'createOperationDeposit() -> existing(`${operation.id}`) is `null`, thus creating new `Rx`',
        '$runtimeType',
      );

      operations.items[operation.id] = Rx(operation);
    }

    return existing ?? operations.items[operation.id];
  }

  return null;
}