public async Task <TransferOutput> Handle(
TransferCommand command,
CancellationToken token)
{
var validationResult = await new TransferValidation()
.ValidateAsync(
command,
token);
if (!validationResult.IsValid)
{
return(new TransferOutput(
null,
null,
validationResult));
}
var idsForCheck = new List <Guid>
{
(Guid)command.AccountNumberFrom,
(Guid)command.AccountNumberTo
};
var(areExist, ids) = await _read
.AreExist(
idsForCheck,
token);
if (!areExist)
{
_logger.LogError($"Accounts with " +
$"{ids.Select(s=>s)} " +
"account numbers doesn't exist");
throw new AccountNotExistException(
$"Accounts with " +
$"{ids.Select(s => s.ToString())}" +
" accounts number doesn't exist");
}
var accounts = await _read
.GetList(
idsForCheck,
token);
accounts.ForEach(ac =>
{
if (ac.AccountNumber
== command.AccountNumberFrom)
{
ac.Withdraw((decimal)command.Amount);
}
ac.Deposit((decimal)command.Amount);
});
await _write
.UnitOfWork
.SaveEntitiesAsync(token);
var sourceAccount = accounts
.FirstOrDefault(ac => ac.AccountNumber == command.AccountNumberFrom);
return(new TransferOutput(
sourceAccount.AccountNumber,
sourceAccount.Balance,
validationResult));
}
