static void Main(string[] args)
{
var BillsCont = new BillsPaymentSysContext();
//BillsCont.Database.EnsureCreated();
//BillsCont.Database.Migrate();
//Seed(BillsCont);
Console.Write("Please Enter a User Id number: ");
var userId = int.Parse(Console.ReadLine());
if (BillsCont.Users.Find(userId) == null)
{
Console.WriteLine($"User with id {userId} not found!");
return;
}
var user = BillsCont.Users.Where(u => u.UserId == userId).Select(e => new
{
Name = $"{e.FirstName} {e.LastName}",
ID = e.UserId,
CreditCards = e.PaymentMethods.Where(pm => pm.Type == PaymentMethodType.CreditCard)
.Select(pm => pm.CreditCard).ToArray(),
BankAccounts = e.PaymentMethods.Where(pm => pm.Type == PaymentMethodType.BankAccount)
.Select(pm => pm.BankAccount).ToArray()
}).SingleOrDefault();
var creditCards = user.CreditCards;
var bankAccounts = user.BankAccounts;
Console.WriteLine($"User: {user.Name}");
GetPaymentMethods(creditCards, bankAccounts);
PayBills();
}
static void PayBills()
{
var pbContext = new BillsPaymentSysContext();
try
{
Console.WriteLine("*********Bills Payment Console*********");
Console.Write("User ID: ");
int userId = int.Parse(Console.ReadLine());
Console.Write("Payment amount: ");
decimal amount = decimal.Parse(Console.ReadLine());
var bankAccountsTotal = pbContext.PaymentMethods
.Include(pm => pm.BankAccount)
.Where(pm => pm.UserId == userId && pm.Type == PaymentMethodType.BankAccount)
.Select(pm => pm.BankAccount)
.ToList();
var cardsTotal = pbContext.PaymentMethods
.Include(pm => pm.CreditCard)
.Where(pm => pm.UserId == userId && pm.Type == PaymentMethodType.CreditCard)
.Select(pm => pm.CreditCard)
.ToList();
var totalMoney = bankAccountsTotal.Select(ba => ba.Balance).Sum()
+ cardsTotal.Select(cc => cc.LimitLeft).Sum();
if (totalMoney < amount)
{
throw new Exception("Insufficient Funds");
}
foreach (var account in bankAccountsTotal)
{
if (amount == 0 || account.Balance == 0)
{
continue;
}
decimal moneyInAccount = account.Balance;
if (moneyInAccount < amount)
{
account.Withdraw(moneyInAccount);
}
else
{
account.Withdraw(amount);
Console.WriteLine($"Money left in account: {moneyInAccount - amount}");
amount -= amount;
}
}
foreach (var creditCard in cardsTotal)
{
if (amount == 0 || creditCard.LimitLeft == 0)
{
continue;
}
decimal limitLeft = creditCard.LimitLeft;
if (limitLeft < amount)
{
creditCard.Withdraw(limitLeft);
amount -= limitLeft;
}
else
{
creditCard.Withdraw(amount);
Console.WriteLine($"Limit left in card: {limitLeft - amount}");
amount -= amount;
}
}
pbContext.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private static void Seed(BillsPaymentSysContext billsCont)
{
var Users = new[] {
new User()
{
FirstName = "McTest",
LastName = "Testov",
Email = "*****@*****.**",
Password = "******"
},
new User()
{
FirstName = "Test",
LastName = "McTestov",
Email = "*****@*****.**",
Password = "******"
},
new User()
{
FirstName = "Stanka",
LastName = "Stankova",
Email = "*****@*****.**",
Password = "******"
},
new User()
{
FirstName = "Pesho",
LastName = "Peshev",
Email = "*****@*****.**",
Password = "******"
}
};
billsCont.AddRange(Users);
var creditCards = new List <CreditCard>()
{
new CreditCard()
{
Limit = 598.50m,
MoneyOwed = 40,
ExpirationDate = DateTime.Parse("07-02-2015")
},
new CreditCard()
{
Limit = 1298.50m,
MoneyOwed = 350,
ExpirationDate = DateTime.Parse("12-10-1998")
},
new CreditCard()
{
Limit = 598.50m,
MoneyOwed = 40,
ExpirationDate = DateTime.Parse("08-07-1979")
}
};
billsCont.AddRange(creditCards);
var bankAccounts = new []
{
new BankAccount()
{
Balance = 1459m,
BankName = "Serious Test Bank",
SwiftCode = "SprSrsSw"
},
new BankAccount()
{
Balance = 9876.50m,
BankName = "Serious Bank Supreme",
SwiftCode = "SrsBnkSpr"
}
};
billsCont.AddRange(bankAccounts);
var paymentMethods = new PaymentMethod[]
{
new PaymentMethod()
{
User = Users[0],
CreditCard = creditCards[2],
Type = PaymentMethodType.CreditCard
},
new PaymentMethod()
{
User = Users[2],
BankAccount = bankAccounts[1],
Type = PaymentMethodType.BankAccount
},
new PaymentMethod()
{
User = Users[3],
CreditCard = creditCards[1],
Type = PaymentMethodType.CreditCard
},
new PaymentMethod()
{
User = Users[1],
BankAccount = bankAccounts[0],
Type = PaymentMethodType.BankAccount
}
};
billsCont.AddRange(paymentMethods);
billsCont.SaveChanges();
}