static void Main(string[] args)
{
using (BankAccountContext context = new BankAccountContext())
{
while (TryWithdrawFromAccount(context))
{
;
}
}
}
private static void WithdrawFromAccount(BankAccountContext context, BankAccount bankAccount)
{
Console.WriteLine($"{bankAccount.Owner} has {bankAccount.Balance}$");
Console.Write("How much you want to withdraw? ");
bankAccount.Withdraw(decimal.Parse(Console.ReadLine()));
if (ConfirmWithdraw(bankAccount) == "y")
{
context.SaveChanges();
}
}
private static bool TryWithdrawFromAccount(BankAccountContext context)
{
string owner;
BankAccount bankAccount;
Console.Write("Type owner (or 'q' to exit): ");
owner = Console.ReadLine();
if (owner == "q")
{
return(false);
}
bankAccount = context.BanckAccounts.FirstOrDefault(ba => ba.Owner == owner);
if (bankAccount != null)
{
WithdrawFromAccount(context, bankAccount);
}
return(true);
}
private static bool TryWithdrawFromAccount(BankAccountContext context)
{
string owner;
BankAccount bankAccount;
Console.Write("Type owner (or 'q' to exit): ");
owner = Console.ReadLine();
if (owner == "q")
{
return(false);
}
bankAccount = TryGetBankAccountByOwner(context, owner);
if (bankAccount != null)
{
WithdrawFromAccount(context, bankAccount);
}
return(true);
}
private static void UpdateBankAccount(BankAccountContext context, BankAccount bankAccount)
{
/*** Attach the modified object to the context ***/
context.Entry(bankAccount).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
private static BankAccount TryGetBankAccountByOwner(BankAccountContext context, string owner)
{
/*** Load detached object ***/
return(context.BanckAccounts.AsNoTracking().FirstOrDefault(ba => ba.Owner == owner));
}
