static void Main(string[] args) {
CoinBox coinBox = new CoinBox();
CanRack vendingMachine = new CanRack();
PurchasePrice priceOfOneSoda = new PurchasePrice(0.35M);
bool purchasingAnotherSoda = true;
//List<Flavor> myHack = FlavorOps.AllFlavors;
//myHack.Clear();
//WriteLine(FlavorOps.AllFlavors.ToString()); FlavorOps is wiped out!!!!
if (args.Length > 0) {
ProcessCommandLinePurchase(args, vendingMachine, priceOfOneSoda, coinBox);
}
while (purchasingAnotherSoda) {
decimal totalAmountInserted = 0;
decimal amountShort;
WriteLine("Welcome to the .NET C# Soda Vending Machine");
WriteLine(vendingMachine.DisplayCanRack());
Write($"Please insert {priceOfOneSoda.Price} cents.\n");
Write("Enter your coins as one or more single letters separated by spaces, \n N(ickel), D(ime), Q(uarter), H(alfDollar): ");
do {
string userResponse = ReadLine();
coinBox = AddCoinsToCoinBoxFromListOfCoins(userResponse, coinBox);
totalAmountInserted += AmountInsertedFromListOfCoins(userResponse);
amountShort = priceOfOneSoda.PriceInDollars - totalAmountInserted;
if (amountShort > 0) {
Write($"Please insert at least {amountShort:C} more: ");
}
} while (totalAmountInserted < priceOfOneSoda.PriceInDollars);
WriteLine($"You have inserted {totalAmountInserted:C}\n\n");
Flavor selectedFlavor = GetFlavorFromUser(vendingMachine);
vendingMachine.RemoveACanOf(selectedFlavor);
WriteLine($"Thanks. Here is your {selectedFlavor} soda.");
if (amountShort < 0) {
WriteLine($"and here is your change of {-amountShort:C}.");
}
WriteLine(vendingMachine.DisplayCanRack());
if (vendingMachine.IsEmpty()) {
WriteLine("This vending machine is empty. Please visit your nearest Costco if you are still thirsty.");
purchasingAnotherSoda = false;
ReadKey();
} else {
WriteLine("Press 'x' to exit or any other key to purchase another soda.");
purchasingAnotherSoda = ReadKey().Key.ToString().ToLower() != "x";
}
}
WriteLine($"\nThe coin box contains \n{coinBox.ToString()}");
WriteLine($" and has a total value of {coinBox.ValueOf:C}.");
WriteLine(" (ignores change returned) ToDo");
}
private static void ProcessCommandLinePurchase(string[] args, CanRack vendingMachine, PurchasePrice priceOfOneSoda, CoinBox coinBox)
{
if (args.Length < 2)
{
WriteLine("Invalid Command line parameters: must be in the form 'flavor coin1 [coin2]...");
return;
}
Flavor flavor = Flavor.LEMON;
bool isValidFlavor = vendingMachine.StocksThisFlavor(args[0], ref flavor);
if (!isValidFlavor)
{
WriteLine($"{args[0]} is not a valid flavor name.");
return;
}
coinBox = AddCoinsToCoinBoxFromListOfCoins(string.Join(" ", args, 1, args.Length - 1), coinBox);
decimal valueOfCoins = 0;
for (int i = 1; i < args.Length; i++)
{
valueOfCoins += new Coin(args[i]).ValueOf;
}
decimal amountOfChange = valueOfCoins - priceOfOneSoda.PriceInDollars;
if (amountOfChange < 0)
{
WriteLine($"You are short {-amountOfChange:C}.");
}
else
{
vendingMachine.RemoveACanOf(flavor);
WriteLine($"Thanks. Here is your {flavor} soda.\n");
WriteLine($"\nThe coin box contains \n{coinBox.ToString()}");
if (amountOfChange > 0)
{
WriteLine($"and here is your change of {amountOfChange:C}.");
}
}
}
private static Flavor GetFlavorFromUser(CanRack vendingMachine) {
bool selectionMade;
Flavor selectedFlavor = Flavor.LEMON;
do {
WriteLine(vendingMachine.ConsoleInteractiveSelectionPrompt());
string userSelection = ReadLine();
try {
selectedFlavor = FlavorOps.ToFlavor(userSelection?.ToUpper());
selectionMade = true;
if (vendingMachine.IsEmpty(selectedFlavor)) {
WriteLine($"Sorry, we are out of {selectedFlavor}, please make a different choice.\n");
selectionMade = false;
}
} catch (Exception badFlavorException) {
WriteLine($"{badFlavorException.Message} Please try again...\n");
selectionMade = false;
}
} while (!selectionMade);
return selectedFlavor;
}
private static Flavor GetFlavorFromUser(CanRack vendingMachine)
{
bool selectionMade;
Flavor selectedFlavor = Flavor.LEMON;
do
{
WriteLine(vendingMachine.ConsoleInteractiveSelectionPrompt());
string userSelection = ReadLine();
try {
selectedFlavor = FlavorOps.ToFlavor(userSelection?.ToUpper());
selectionMade = true;
if (vendingMachine.IsEmpty(selectedFlavor))
{
WriteLine($"Sorry, we are out of {selectedFlavor}, please make a different choice.\n");
selectionMade = false;
}
} catch (Exception badFlavorException) {
WriteLine($"{badFlavorException.Message} Please try again...\n");
selectionMade = false;
}
} while (!selectionMade);
return(selectedFlavor);
}
private static void ProcessCommandLinePurchase(string[] args, CanRack vendingMachine, PurchasePrice priceOfOneSoda, CoinBox coinBox) {
if (args.Length < 2 ) {
WriteLine("Invalid Command line parameters: must be in the form 'flavor coin1 [coin2]...");
return;
}
Flavor flavor = Flavor.LEMON;
bool isValidFlavor = vendingMachine.StocksThisFlavor(args[0], ref flavor);
if (!isValidFlavor) {
WriteLine($"{args[0]} is not a valid flavor name.");
return;
}
coinBox = AddCoinsToCoinBoxFromListOfCoins(string.Join(" ", args, 1, args.Length - 1), coinBox);
decimal valueOfCoins = 0;
for (int i=1; i<args.Length; i++) {
valueOfCoins += new Coin(args[i]).ValueOf;
}
decimal amountOfChange = valueOfCoins - priceOfOneSoda.PriceInDollars;
if (amountOfChange < 0) {
WriteLine($"You are short {-amountOfChange:C}.");
} else {
vendingMachine.RemoveACanOf(flavor);
WriteLine($"Thanks. Here is your {flavor} soda.\n");
WriteLine($"\nThe coin box contains \n{coinBox.ToString()}");
if (amountOfChange > 0) {
WriteLine($"and here is your change of {amountOfChange:C}.");
}
}
}
static void Main(string[] args)
{
CoinBox coinBox = new CoinBox();
CanRack vendingMachine = new CanRack();
PurchasePrice priceOfOneSoda = new PurchasePrice(0.35M);
bool purchasingAnotherSoda = true;
//List<Flavor> myHack = FlavorOps.AllFlavors;
//myHack.Clear();
//WriteLine(FlavorOps.AllFlavors.ToString()); FlavorOps is wiped out!!!!
if (args.Length > 0)
{
ProcessCommandLinePurchase(args, vendingMachine, priceOfOneSoda, coinBox);
}
while (purchasingAnotherSoda)
{
decimal totalAmountInserted = 0;
decimal amountShort;
WriteLine("Welcome to the .NET C# Soda Vending Machine");
WriteLine(vendingMachine.DisplayCanRack());
Write($"Please insert {priceOfOneSoda.Price} cents.\n");
Write("Enter your coins as one or more single letters separated by spaces, \n N(ickel), D(ime), Q(uarter), H(alfDollar): ");
do
{
string userResponse = ReadLine();
coinBox = AddCoinsToCoinBoxFromListOfCoins(userResponse, coinBox);
totalAmountInserted += AmountInsertedFromListOfCoins(userResponse);
amountShort = priceOfOneSoda.PriceInDollars - totalAmountInserted;
if (amountShort > 0)
{
Write($"Please insert at least {amountShort:C} more: ");
}
} while (totalAmountInserted < priceOfOneSoda.PriceInDollars);
WriteLine($"You have inserted {totalAmountInserted:C}\n\n");
Flavor selectedFlavor = GetFlavorFromUser(vendingMachine);
vendingMachine.RemoveACanOf(selectedFlavor);
WriteLine($"Thanks. Here is your {selectedFlavor} soda.");
if (amountShort < 0)
{
WriteLine($"and here is your change of {-amountShort:C}.");
}
WriteLine(vendingMachine.DisplayCanRack());
if (vendingMachine.IsEmpty())
{
WriteLine("This vending machine is empty. Please visit your nearest Costco if you are still thirsty.");
purchasingAnotherSoda = false;
ReadKey();
}
else
{
WriteLine("Press 'x' to exit or any other key to purchase another soda.");
purchasingAnotherSoda = ReadKey().Key.ToString().ToLower() != "x";
}
}
WriteLine($"\nThe coin box contains \n{coinBox.ToString()}");
WriteLine($" and has a total value of {coinBox.ValueOf:C}.");
WriteLine(" (ignores change returned) ToDo");
}