Ejemplo n.º 1
0
        private void handlePurchase()
        {
            displayItems();
            string chosenSlotNumber = panel.GetPurchaseSelection();

            if (!inventory.InventoryExists(chosenSlotNumber))
            {
                panel.DisplayError("Your chosen product doesn't exist.");
                return;
            }

            if (!inventory.CanSell(chosenSlotNumber))
            {
                panel.DisplayError("That item is sold out!");
                return;
            }

            IVendable chosenProduct = inventory.GetVendable(chosenSlotNumber);

            if (currentMoneyProvided < chosenProduct.Price)
            {
                panel.DisplayError("Please insert more money to buy this product.");
                return;
            }

            // Add money to till.
            currentMoneyProvided = till.Purchase(chosenProduct, currentMoneyProvided);

            // Remove inventory.
            inventory.ReduceInventory(chosenSlotNumber);

            // Output the purchase.
            panel.DisplayPurchaseMessage(chosenProduct, currentMoneyProvided);
        }
Ejemplo n.º 2
0
        public Inventory()
        {
            string path     = Directory.GetCurrentDirectory();
            string fileName = "vendingmachine.csv";

            try
            {
                using (StreamReader sr = new StreamReader(Path.Combine(path, fileName)))
                {
                    while (!sr.EndOfStream)
                    {
                        string    line    = sr.ReadLine();
                        string[]  words   = line.Split("|");
                        decimal   cost    = decimal.Parse(words[2]);
                        IVendable newItem = null;
                        currentInventory.Add(words[0], 5);
                        if (words[3] == "Chip")
                        {
                            newItem = new Chip(words[1], cost, words[0]);
                        }
                        if (words[3] == "Candy")
                        {
                            newItem = new Candy(words[1], cost, words[0]);
                        }
                        if (words[3] == "Drink")
                        {
                            newItem = new Drink(words[1], cost, words[0]);
                        }
                        if (words[3] == "Gum")
                        {
                            newItem = new Gum(words[1], cost, words[0]);
                        }
                        items.Add(words[0], newItem);
                    }
                }
            }
            catch (FileNotFoundException)
            {
                Console.WriteLine("File not found. Try again.");
            }
            catch (FormatException)
            {
                Console.WriteLine("Incorrect format for cost.");
            }
            catch (Exception)
            {
                Console.WriteLine("Could not load inventory.  Try again.");
            }
        }
Ejemplo n.º 3
0
 public decimal Purchase(IVendable product, decimal moneyIn)
 {
     return(moneyIn - product.Price);
 }
Ejemplo n.º 4
0
 public void DisplayPurchaseMessage(IVendable vendable, decimal amountRemaining)
 {
     Console.WriteLine($"Item: {vendable.Name} Cost: {vendable.Price} Money Remaining: {amountRemaining}");
     vendable.GetPurchaseMessage();
 }