public async Task <bool> ProcessAsync(TransactionDto[] transactions)
{
var userTransactionsTasks = new List <Task <bool> >();
var transactionsByUsers = transactions.GroupBy(x => x.UserId);
foreach (var userTransactions in transactionsByUsers)
{
var(username, password) = await _credentialsCollector.GetUserCredentialsAsync(userTransactions.Key);
var orders = userTransactions.Select(x => new OrderDto(x.TransactionId, x.OrderNumber)).ToArray();
var orderDetailsInteractor = _interactorFactory.CreateInteractor <IOrderDetailsInteractor>();
userTransactionsTasks.Add(orderDetailsInteractor.RunAsync(username, password, orders));
}
await Task.WhenAll(userTransactionsTasks);
return(false);
}