public bool SodaInventory_CheckIfSodaInStock(SodaModel soda)
{
var sodas = RetrieveSodas();
var outputSodas = sodas.Where(x => x.Name == soda.Name && x.SlotOccupied == soda.SlotOccupied).FirstOrDefault();
return(outputSodas != null);
}
public void RequestSoda_ShouldSayNotEnoughChange()
{
MockDataAccess da = new MockDataAccess();
SodaMachineLogic logic = new SodaMachineLogic(da);
string user = "******";
SodaModel expcetedSoda = new SodaModel {
Name = "Coke", SlotOccupied = "1"
};
var initialState = da.MachineInfo;
da.UserCredit[user] = 1.75M;
da.CoinInventory.Clear();
var results = logic.RequestSoda(expcetedSoda, user);
Assert.Null(results.soda);
Assert.Equal(1.75M, da.UserCredit[user]);
Assert.Equal(initialState.cashOnHand, da.MachineInfo.cashOnHand);
Assert.Equal(initialState.totalIncome, da.MachineInfo.totalIncome);
Assert.False(string.IsNullOrWhiteSpace(results.errorMessage));
Assert.True(results.change.Count() == 0);
}
public void RequestSoda_ShouldReturnSodaWithNoChange()
{
MockDataAccess da = new MockDataAccess();
SodaMachineLogic logic = new SodaMachineLogic(da);
string user = "******";
SodaModel expcetedSoda = new SodaModel {
Name = "Coke", SlotOccupied = "1"
};
var initialState = da.MachineInfo;
da.UserCredit[user] = 0.75M;
var results = logic.RequestSoda(expcetedSoda, user);
Assert.Equal(expcetedSoda.Name, results.soda.Name);
Assert.Equal(expcetedSoda.SlotOccupied, results.soda.SlotOccupied);
Assert.Equal(0, da.UserCredit[user]);
Assert.Equal(initialState.cashOnHand + 0.75M, da.MachineInfo.cashOnHand);
Assert.Equal(initialState.totalIncome + 0.75M, da.MachineInfo.totalIncome);
Assert.True(string.IsNullOrWhiteSpace(results.errorMessage));
Assert.True(results.change.Count() == 0);
}
public void RequestSoda_ShouldReturnSodaWithChange()
{
string userId = "user2468";
decimal amount = 1.00M;
SodaModel actualSoda;
int coinCount;
SodaModel requestedSoda = new SodaModel {
Name = "Pepsi", SlotOccupied = "A1"
};
(SodaModel soda, List <CoinModel> coins, string message)result;
sodaMachineLogic.MoneyInserted(userId, amount);
sodaMachineLogic.MoneyInserted(userId, amount);
result = sodaMachineLogic.RequestSoda(requestedSoda);
actualSoda = result.soda;
coinCount = result.coins.Count;
System.Console.WriteLine(result.coins.Count.ToString() + coinCount);
Assert.Multiple(() =>
{
Assert.AreEqual(requestedSoda.Name, actualSoda.Name);
Assert.AreEqual(requestedSoda.SlotOccupied, actualSoda.SlotOccupied);
Assert.That(coinCount, Is.GreaterThan(0));
});
}
public void RequestSoda_ShouldSayOutOfStock()
{
MockDataAccess da = new MockDataAccess();
SodaMachineLogic logic = new SodaMachineLogic(da);
string user = "******";
SodaModel expectedSoda = new SodaModel {
Name = "Fanta", SlotOccupied = "4"
};
var initialState = da.MachineInfo;
da.UserCredit[user] = 0.75M;
var results = logic.RequestSoda(expectedSoda, user);
Assert.Null(results.soda);
Assert.Equal(0.75M, da.UserCredit[user]);
Assert.Equal(initialState.cashOnHand, da.MachineInfo.cashOnHand);
Assert.Equal(initialState.totalIncome, da.MachineInfo.totalIncome);
Assert.False(string.IsNullOrWhiteSpace(results.errorMessage));
Assert.True(results.change.Count() == 0);
}
public void RequestSoda_ShouldReturnSodaWithAlternativeChange()
{
MockDataAccess da = new MockDataAccess();
SodaMachineLogic logic = new SodaMachineLogic(da);
string user = "******";
SodaModel expcetedSoda = new SodaModel {
Name = "Coke", SlotOccupied = "1"
};
var initialState = da.MachineInfo;
da.UserCredit[user] = 1M;
da.CoinInventory.RemoveAll(x => x.Amount == 0.25M);
var results = logic.RequestSoda(expcetedSoda, user);
Assert.Equal(expcetedSoda.Name, results.soda.Name);
Assert.Equal(expcetedSoda.SlotOccupied, results.soda.SlotOccupied);
Assert.Equal(0, da.UserCredit[user]);
Assert.Equal(initialState.cashOnHand + 1M, da.MachineInfo.cashOnHand);
Assert.Equal(initialState.totalIncome + 1M, da.MachineInfo.totalIncome);
Assert.True(string.IsNullOrWhiteSpace(results.errorMessage));
// Dime + Dime + Nickle = Quarter
Assert.True(results.change.Count() == 3);
}
public (SodaModel soda, List <CoinModel> coins, string message) RequestSoda(SodaModel soda)
{
try
{
SodaModel machineSoda = _dataAccess.SodaInventoryGetSoda(soda);
decimal userCredit = _dataAccess.UserCreditTotal(_userId);
decimal sodaPrice = _dataAccess.MachineInfoSodaPrice();
if (machineSoda == null)
{
throw new OutOfStockException();
}
if (userCredit < sodaPrice)
{
throw new NotEnoughMoneyException();
}
List <CoinModel> coins = new List <CoinModel>();
decimal change = userCredit - sodaPrice;
_dataAccess.UserCreditInsert(_userId, -change);
int dollarQuantity = 0;
int quarterQuantity = 0;
while (change >= 1.00M)
{
dollarQuantity++;
change = decimal.Subtract(change, 1.00M);
}
while (change >= 0.25M)
{
quarterQuantity++;
change = decimal.Subtract(change, 0.25M);
}
coins.AddRange(_dataAccess.CoinInventoryWithdrawCoins(1.00M, dollarQuantity));
coins.AddRange(_dataAccess.CoinInventoryWithdrawCoins(0.25M, quarterQuantity));
_dataAccess.UserCreditClear(_userId);
return(machineSoda, coins, "Enjoy the refreshment");
}
catch (OutOfStockException ex)
{
return(new SodaModel(), new List <CoinModel>(), ex.Message);
}
catch (NotEnoughMoneyException ex)
{
return(new SodaModel(), new List <CoinModel>(), ex.Message);
}
throw new Exception("Request soda failed");
}
public void RequestSoda_ShouldSayOutOfStock()
{
string expectedMessage = "Out of stock";
SodaModel soda = new SodaModel {
Name = "Pepsi", SlotOccupied = "C1"
};
(SodaModel soda, List <CoinModel> coins, string message)result = sodaMachineLogic.RequestSoda(soda);
Assert.AreEqual(expectedMessage, result.message);
}
public void RequestSoda_ShouldSayNotEnoughMoney()
{
string expectedMessage = "Not enough money";
SodaModel soda = new SodaModel {
Name = "Pepsi", SlotOccupied = "A1"
};
(SodaModel soda, List <CoinModel> coins, string message)result = sodaMachineLogic.RequestSoda(soda);
Assert.AreEqual(expectedMessage, result.message);
}
public SodaModel SodaInventoryGetSoda(SodaModel soda)
{
List <SodaModel> sodaInventory = new List <SodaModel>();
sodaInventory = SodaInventoryGetAll();
return(sodaInventory.Find(sodaInventorySoda =>
sodaInventorySoda.Name == soda.Name &&
sodaInventorySoda.SlotOccupied == soda.SlotOccupied
));
}
public void RequestSoda_ShouldReturnNoChange()
{
int expectedCoinCount = 0;
int actualCount;
SodaModel soda = new SodaModel {
Name = "Pepsi", SlotOccupied = "A1"
};
(SodaModel soda, List <CoinModel> coins, string message)result = sodaMachineLogic.RequestSoda(soda);
actualCount = result.coins.Count;
Assert.AreEqual(expectedCoinCount, actualCount);
}
public SodaModel SodaInventory_GetSoda(SodaModel soda, decimal amount)
{
var sodas = RetrieveSodas();
var outputSoda = sodas.Where(x => x.Name == soda.Name && x.SlotOccupied == soda.SlotOccupied).FirstOrDefault();
if (outputSoda != null)
{
var info = RetrieveMachineInfo();
info.cashOnHand += amount;
info.totalIncome += amount;
SaveMachineInfo(info.sodaPrice, info.cashOnHand, info.totalIncome);
}
return(outputSoda);
}
public IActionResult OnPostAddSoda()
{
if (!ModelState.IsValid)
{
return(Page());
}
if (string.IsNullOrEmpty(SelectedSoda))
{
Message = "Please select soda with slot";
}
else
{
if (int.TryParse(SelectedSodaQuantity, out int quantity))
{
if (quantity > 0 && quantity < 10)
{
List <SodaModel> sodas = new List <SodaModel>();
string[] sodaNameSlot = SelectedSoda.Split(" ");
for (int i = 0; i < quantity; i++)
{
SodaModel sodaModel = new SodaModel
{
Name = sodaNameSlot[0],
SlotOccupied = sodaNameSlot[1]
};
sodas.Add(sodaModel);
}
_dataAccess.SodaInventoryAddSodas(sodas);
Message = $"Successfully added { quantity } { sodaNameSlot[0] } at slot { sodaNameSlot[1] }";
}
else
{
Message = "Quantity must be greater than 0 and less than 10";
}
}
else
{
Message = "Please enter a number for quantity";
}
}
return(OnGet());
}
public IActionResult OnPostRequestSoda()
{
if (int.TryParse(SelectedSodaIndex, out int sodaIndex))
{
SodasInStock = _sodaMachineLogic.GetSodaInventory();
if (sodaIndex > -1 && sodaIndex < SodasInStock.Count)
{
UserId = User.FindFirstValue(ClaimTypes.NameIdentifier);
_sodaMachineLogic.MoneyInserted(UserId, 0);
SodaModel requestSoda = SodasInStock[sodaIndex];
var(soda, coins, message) = _sodaMachineLogic.RequestSoda(requestSoda);
RequestSodaMessage = message;
if (coins.Count > 0)
{
decimal change = 0;
foreach (CoinModel coin in coins)
{
change += coin.Amount;
}
ChangeReturned = change;
}
}
else
{
RequestSodaMessage = "Please select a soda";
}
}
else
{
RequestSodaMessage = "Please select a soda";
}
return(OnGet());
}
static void Main()
{
ConfigureServices();
SodaMachineLogic sodaMachineLogic = ActivatorUtilities.CreateInstance <SodaMachineLogic>(ServiceProvider);
Menu menu = new Menu();
SodaMachineDisplay sodaMachineDisplay = new SodaMachineDisplay();
string userId = "user12";
while (true)
{
menu.PrintMenu();
string userChoice = Console.ReadLine();
Console.WriteLine();
switch (userChoice)
{
case "1":
sodaMachineDisplay.PrintTypesOfSoda(sodaMachineLogic.ListTypesOfSoda());
break;
case "2":
sodaMachineDisplay.PrintSodaInStock(sodaMachineLogic.GetSodaInventory());
break;
case "3":
sodaMachineDisplay.PrintSodaPrice(sodaMachineLogic.GetSodaPrice());
break;
case "4":
sodaMachineDisplay.PrintInsertMoneyChoice(sodaMachineLogic.AcceptedCoinValues);
string userMoneyInput = Console.ReadLine();
if (decimal.TryParse(userMoneyInput, out decimal moneyResult))
{
decimal moneyInserted = sodaMachineLogic.MoneyInserted(userId, moneyResult);
if (moneyInserted != 0)
{
sodaMachineDisplay.PrintAmountInserted(moneyInserted);
}
}
else
{
Console.WriteLine("Invalid currency");
}
break;
case "5":
sodaMachineDisplay.PrintAmountInserted(sodaMachineLogic.GetMoneyInsertedTotal(userId));
break;
case "6":
List <SodaModel> availableSodas = sodaMachineLogic.ListTypesOfSoda();
sodaMachineDisplay.PrintSodaToBuyChoice(availableSodas);
string userSodaInput = Console.ReadLine();
if (int.TryParse(userSodaInput, out int sodaResult))
{
if (sodaResult >= 0 && sodaResult < availableSodas.Count)
{
SodaModel sodaInput = availableSodas[sodaResult];
var(soda, coins, message) = sodaMachineLogic.RequestSoda(sodaInput);
if (string.IsNullOrEmpty(soda.Name))
{
Console.WriteLine(message);
}
else
{
if (coins.Count > 0)
{
decimal change = 0;
foreach (CoinModel coin in coins)
{
change += coin.Amount;
}
Console.WriteLine($"returned { change }");
}
sodaMachineDisplay.PrintSuccessMessage(soda);
}
}
else
{
Console.WriteLine("Invalid soda choice");
}
}
else
{
Console.WriteLine("Invalid soda choice");
}
break;
case "7":
decimal refund = sodaMachineLogic.IssueFullRefund(userId);
sodaMachineDisplay.PrintRefundAmount(refund);
break;
default:
Console.WriteLine("Invalid Choice");
break;
}
}
}
public void PrintSuccessMessage(SodaModel soda)
{
Console.WriteLine($"Thank you for you purchase. Enjoy your refreshing { soda.Name }.");
}
public (SodaModel soda, List <CoinModel> change, string errorMessage) RequestSoda(SodaModel soda, string userId)
{
(SodaModel soda, List <CoinModel> change, string errorMessage)output = (null, new List <CoinModel>(), "An unexpected error occurred");
decimal userCredit = _db.UserCredit_Total(userId);
decimal sodaCost = _db.MachineInfo_SodaPrice();
if (userCredit >= sodaCost) // No change needed
{
bool sodaInStock = _db.SodaInventory_CheckIfSodaInStock(soda);
if (sodaInStock == false)
{
output.errorMessage = "Soda not in inventory.";
}
else
{
try
{
var change = GetChange(sodaCost, userCredit);
var sodaToReturn = _db.SodaInventory_GetSoda(soda, userCredit);
_db.UserCredit_Clear(userId);
output = (sodaToReturn, change, "");
}
catch (Exception ex)
{
output.errorMessage = "There is not enough coins to give you change.";
}
}
}
else // Not enough money
{
output = (null, new List <CoinModel>(), "User did not provide enough change.");
}
return(output);
}