public ActionResult Deposit(Transaction transaction)
{
if (ModelState.IsValid)
{
db.Transactions.Add(transaction);
db.SaveChanges();
var service = new CheckingAccountService(db);
service.UpdateBalance(transaction.CheckingAccountId);
return RedirectToAction("Index", "Home");
}
return View();
}
public ActionResult QuickCash(int checkingAccountId, decimal amount)
{
var sourceCheckingAccount = db.CheckingAccounts.Find(checkingAccountId);
var balance = sourceCheckingAccount.Balance;
if (balance < amount)
{
return View("QuickCashInsufficientFunds");
}
db.Transactions.Add(new Transaction { CheckingAccountId = checkingAccountId, Amount = -amount });
db.SaveChanges();
var service = new CheckingAccountService(db);
service.UpdateBalance(checkingAccountId);
return RedirectToAction("Index", "Home");
}
public ActionResult QuickCash(int checkingAccountId, decimal amount)
{
CheckingAccount checkingAccount = db.CheckingAccounts.Find(checkingAccountId);
if (checkingAccount.Balance < amount)
{
return View("QuickCashInsufficientFunds");
}
// adiciona uma transação negativa
db.Transactions.Add(new Transaction { CheckingAccountId = checkingAccountId, Amount = -amount });
db.SaveChanges();
// atualiza o saldo
CheckingAccountService service = new CheckingAccountService(db);
service.UpdateBalance(checkingAccountId);
return RedirectToAction("Index", "Home");
}
public ActionResult Withdrawal(Transaction transaction)
{
var checkingAccount = db.CheckingAccounts.Find(transaction.CheckingAccountId);
if (checkingAccount.Balance < transaction.Amount)
{
ModelState.AddModelError("Amount", "You have insufficient funds!");
}
if (ModelState.IsValid)
{
transaction.Amount = -transaction.Amount;
db.Transactions.Add(transaction);
db.SaveChanges();
var service = new CheckingAccountService(db);
service.UpdateBalance(transaction.CheckingAccountId);
return RedirectToAction("Index", "Home");
}
return View();
}
public ActionResult Transfer(TransferViewModel transfer)
{
// check for available funds
var sourceCheckingAccount = db.CheckingAccounts.Find(transfer.CheckingAccountId);
if (sourceCheckingAccount.Balance < transfer.Amount)
{
ModelState.AddModelError("Amount", "You have insufficient funds!");
}
// check for a valid destination account
var destinationCheckingAccount = db.CheckingAccounts.Where(c => c.AccountNumber == transfer.DestinationCheckingAccountNumber).FirstOrDefault();
if (destinationCheckingAccount == null)
{
ModelState.AddModelError("DestinationCheckingAccountNumber", "Invalid destination account number.");
}
// add debit/credit transactions and update account balances
if (ModelState.IsValid)
{
db.Transactions.Add(new Transaction { CheckingAccountId = transfer.CheckingAccountId, Amount = -transfer.Amount });
db.Transactions.Add(new Transaction { CheckingAccountId = destinationCheckingAccount.Id, Amount = transfer.Amount });
db.SaveChanges();
var service = new CheckingAccountService(db);
service.UpdateBalance(transfer.CheckingAccountId);
service.UpdateBalance(destinationCheckingAccount.Id);
return PartialView("_TransferSuccess", transfer);
}
return PartialView("_TransferForm");
}
public ActionResult Transfer(TransferViewModel transfer)
{
// verifica se existe saldo na sua conta
CheckingAccount sourceCheckingAccount = db.CheckingAccounts.Find(transfer.CheckingAccountId);
if (sourceCheckingAccount.Balance < transfer.Amount)
{
// se não houver saldo, erro ao adicionado ao estado do model
ModelState.AddModelError("Amount", "You have insufficient funds!");
}
// verificar se a conta destino existe
// FirstOrDefault() faz com que possa retornar null, evitando uma exeption caso não exista uma conta destino
CheckingAccount destinationCheckingAccount = db.CheckingAccounts.Where(c => c.AccountNumber == transfer.DestinationCheckingAccountNumber).FirstOrDefault();
if (destinationCheckingAccount == null)
{
// se não existe uma conta destino, adiciona erro a uma propriedade do modelo
ModelState.AddModelError("DestinationCheckingAccountNumber", "Invalid destination account number");
}
// se model for valido
// adicionando transações de debito e credito e atualizando saldo das duas contas
if(ModelState.IsValid)
{
//sua conta
db.Transactions.Add(new Transaction { CheckingAccountId = transfer.CheckingAccountId, Amount = -transfer.Amount });
// conta destino
db.Transactions.Add(new Transaction { CheckingAccountId = destinationCheckingAccount.Id, Amount = transfer.Amount });
db.SaveChanges();
// atualiza o saldo das duas contas
CheckingAccountService service = new CheckingAccountService(db);
service.UpdateBalance(sourceCheckingAccount.Id);
service.UpdateBalance(destinationCheckingAccount.Id);
// sucesso em tudo =)
return PartialView("_TransferSuccess", transfer);
}
// se ModelState não for valido
return PartialView("_TransferForm");
}
public ActionResult Withdraw(Transaction transaction)
{
CheckingAccount checkingAccount = db.CheckingAccounts.Find(transaction.CheckingAccountId);
if (checkingAccount.Balance < transaction.Amount)
{
// adicionando erro manuamente no model.
// associando um erro há uma propriedade. @Html.ValidationMessageFor()
//ModelState.AddModelError("Amount", "You have insufficient funds!");
// mostra o erro na parte do @Html.ValidationSummary()
ModelState.AddModelError("", "You have insufficient funds!");
}
// se o ModelState.AddModeError() for adicionado, ModelState.Isvalid será false
if (ModelState.IsValid)
{
transaction.Amount = -transaction.Amount;
db.Transactions.Add(transaction);
db.SaveChanges();
CheckingAccountService service = new CheckingAccountService(db);
service.UpdateBalance(transaction.CheckingAccountId);
return RedirectToAction("Index", "Home");
}
return View();
}
