public IActionResult TransferBetweenAccounts(TransferBetweenAccountsViewModel model)
{
if (ValidateAccounts(model) is JsonResult json && json.Value is string error)
{
ModelState.AddModelError(nameof(model.AccountId1), error);
}
if (!ModelState.IsValid)
{
return(View("TransferBetweenAccounts", model));
}
Account account1 = _bankRepository.GetAccount(model.AccountId1 ?? 0);
Account account2 = _bankRepository.GetAccount(model.AccountId2 ?? 0);
try
{
account1.Transfer(account2, model.Amount);
ViewData["TransferSuccess"] = true;
}
catch (Exception e)
{
ModelState.AddModelError(nameof(model.Amount), e.Message);
}
return(View("TransferBetweenAccounts", model));
}
public IActionResult ValidateAccounts(TransferBetweenAccountsViewModel model)
{
if (!(model.AccountId1 is null) &&
model.AccountId2 is null &&
_bankRepository.GetAccount(model.AccountId1.Value) is null)
{
return(Json($"Account #{model.AccountId1} doesnt exist."));
}
if (!(model.AccountId2 is null) && _bankRepository.GetAccount(model.AccountId2.Value) is null)
{
return(Json($"Account #{model.AccountId2} doesnt exist."));
}
if (model.AccountId1 == model.AccountId2)
{
return(Json($"Account can not transfer to itself."));
}
return(Json(true));
}