static void Main()
{
Database.SetInitializer(new MigrateDatabaseToLatestVersion<AtmDbContext, Configuration>());
var db = new AtmDbContext();
//using (var tran = db.Database.BeginTransaction())
//{
try
{
Console.Write("Enter card number: ");
var cardNumber = Console.ReadLine();
Console.Write("Enter PIN: ");
var pin = Console.ReadLine();
var account = AtmManager.GetAccount(db, cardNumber, pin);
Console.Write("Enter amount: ");
var amount = decimal.Parse(Console.ReadLine());
AtmManager.CheckAmount(account, amount);
account.CardCash -= amount;
db.SaveChanges();
//tran.Commit();
var history = new TransactionHistory
{
CardNumber = cardNumber,
TransactionDate = DateTime.Now,
Amount = amount
};
db.TransactionHistory.Add(history);
db.SaveChanges();
Console.WriteLine("Take your money: {0}", amount);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
//tran.Rollback();
}
//}
}
public static Account GetAccount(AtmDbContext context, string cardNumber, string cardPin)
{
var account = context.Accounts.FirstOrDefault(a => a.CardNumber == cardNumber);
if (account == null)
{
throw new InvalidOperationException("CardNumber is not exist");
}
account = context.Accounts.FirstOrDefault(a => a.CardPIN == cardPin && a.CardNumber == cardNumber);
if (account == null)
{
throw new InvalidOperationException("Invalid PIN");
}
return account;
}