private static void WithdrawMoney(string pin, string cardNumber, decimal money, ATMSystemContext dbContext)
{
try
{
var account = dbContext.CardAccounts.Where(a => a.CardPIN == pin && a.CardNumber == cardNumber && a.CardCash >= money);
account.First().CardCash -= money;
Console.WriteLine("Transaction successfull.");
var transactionLog = new TransactionHistory()
{
CardNumber = cardNumber,
Amount = money,
TransactionDate = DateTime.Now,
};
dbContext.TransactionHistories.Add(transactionLog);
dbContext.SaveChanges();
}
catch (Exception)
{
Console.WriteLine("Operation Failed.");
}
}
private static void InsertSampleData(ATMSystemContext context)
{
var account = new CardAccount()
{
CardCash = 300,
CardNumber = "123",
CardPIN = "80801",
};
context.CardAccounts.Add(account);
var account2 = new CardAccount()
{
CardCash = 350,
CardNumber = "1234",
CardPIN = "80802",
};
context.CardAccounts.Add(account2);
var account3 = new CardAccount()
{
CardCash = 400,
CardNumber = "1235",
CardPIN = "80803",
};
context.CardAccounts.Add(account3);
context.SaveChanges();
}
static void Main()
{
using (var db = new ATMSystemContext())
{
InsertSampleData(db);
WithdrawMoney(Pin, CardNumber, MoneyToWithdraw, db);
}
}
