public static void Login(CodeFirstATMContext db)
{
Console.Clear();
Console.WriteLine("FIRST BANK OF DAD");
Console.WriteLine("Please login...");
var tmpUser = Read("Enter Username");
var tmpPass = Read("Enter Password");
if (db.Users.Any(u => u.Username == tmpUser && u.Password == tmpPass))
{
var tmpUserId = db.Users.Where(u => u.Username == tmpUser).First();
int UserId = tmpUserId.UserId;
Console.Clear();
TransactionScreen(db, UserId);
}
Console.WriteLine("Sorry your username or password are incorrect");
Console.WriteLine("Press 1 to try again or 2 to exit");
int choice = int.Parse(Read(">.."));
if (choice == 1)
{
Console.Clear();
Login(db);
}
Console.Clear();
Welcome();
}
public static void TransactionScreen(CodeFirstATMContext db, int _userId)
{
int userId = _userId;
double balance = db.Transactions.Where(t => t.UserId == userId).Sum(t => t.Amount);
Console.Clear();
Console.WriteLine($"Hello, your balance is {balance}");
Console.WriteLine("Press 1 to make a Deposit");
Console.WriteLine("Press 2 to make a Withdrawal");
Console.WriteLine("Press 3 to Exit");
int choice = int.Parse(Read(">.."));
switch (choice)
{
case 1:
Console.Clear();
Deposit(db, userId);
break;
case 2:
Console.Clear();
Withdraw(db, userId);
break;
default:
Console.Clear();
Welcome();
break;
}
}
public static void Welcome()
{
using (var db = new CodeFirstATMContext())
{
Console.WriteLine("FIRST BANK OF DAD");
Console.WriteLine("1) New User");
Console.WriteLine("2) Login");
int choice = int.Parse(Read("> "));
if (choice == 1) //New user
{
var username = Read("Enter a UserName...");
if (db.Users.Any(u => u.Username == username))
{
Console.WriteLine("This username is already taken. Press any key to try again");
Console.ReadKey();
Console.Clear();
Welcome();
}
else
{
var password = Read("Enter a Password...");
User newUser = new User
{
Username = username,
Password = password,
};
db.Users.Add(newUser);
db.SaveChanges();
var tmpUserId = db.Users.Where(u => u.Username == username).First();
int UserId = tmpUserId.UserId;
Transaction newTransaction = new Transaction //added to avoid null error at balance method
{
UserId = UserId,
Amount = 0,
};
db.Transactions.Add(newTransaction);
db.SaveChanges();
Console.WriteLine("Congratulations, your account is now active.");
Console.WriteLine("Press any key to login");
Console.ReadKey();
Console.Clear();
Login(db);
}
}
else //Login
{
Login(db);
}
}
}
public static void Deposit(CodeFirstATMContext db, int _userId)
{
double amount = double.Parse(Read("Enter the amount that you would like to deposit"));
Transaction newTransaction = new Transaction
{
UserId = _userId,
Amount = amount,
};
db.Transactions.Add(newTransaction);
db.SaveChanges();
Console.Clear();
TransactionScreen(db, 1);
}
public static void Withdraw(CodeFirstATMContext db, int _userId)
{
double balance = db.Transactions.Where(t => t.UserId == _userId).Sum(t => t.Amount);
double amount = double.Parse(Read("Enter the amount that you would like to withdraw"));
if ((balance - amount) >= 0)
{
Transaction newTransaction = new Transaction
{
UserId = _userId,
Amount = -(amount),
};
db.Transactions.Add(newTransaction);
db.SaveChanges();
Console.Clear();
TransactionScreen(db, _userId);
}
Console.Clear();
Console.WriteLine("You have insufficient funds for this transaction");
Console.WriteLine("Press any key to return to the menu");
Console.ReadKey();
TransactionScreen(db, _userId);
}
