private void SetItemFields(IVendingItem item, string[] itemParts)
{
item.ItemSlot = itemParts[Col_SlotId];
item.ItemName = itemParts[Col_Name];
item.ItemPrice = Convert.ToDouble(itemParts[Col_Cost]);
item.Stock = Default_Quantity;
}
private IVendingItem GetItemFromItemPart(char firstCharacter)
{
IVendingItem item = null;
switch (firstCharacter)
{
case 'A':
item = new Chips();
break;
case 'B':
item = new Candy();
break;
case 'C':
item = new Drink();
break;
case 'D':
item = new Gum();
break;
}
return(item);
}
public List <IVendingItem> GetItems()
{
List <IVendingItem> items = new List <IVendingItem>();
try
{
using (StreamReader sr = new StreamReader("vendingmachine.csv"))
{
while (!sr.EndOfStream)
{
string stringItem = sr.ReadLine();
string[] itemParts = stringItem.Split('|');
IVendingItem item = GetItemFromItemPart(itemParts[Col_SlotId][0]);
SetItemFields(item, itemParts);
items.Add(item);
}
}
}
catch (IOException ex)
{
Console.WriteLine("Input error: " + ex);
}
return(items);
}
private void PromptForPurchase()
{
Console.Write("Please enter the product code: ");
string productChoice = Console.ReadLine();
IVendingItem item = vendingMachine.Items.Find(p => p.ItemSlot == productChoice);
if (item != null)
{
if (item.Stock > 0)
{
if (item.ItemPrice <= vendingMachine.CurrentMoneyProvided)
{
vendingMachine.Purchase(item);
items.Add(item);
vendingMachine.SalesReport(item);
}
else
{
Console.WriteLine("\nPlease provide more money\n");
}
}
else
{
Console.WriteLine("\nItem out of stock\n");
//throw new ItemOutOfStockException("Item out of stock.");
}
}
else
{
Console.WriteLine("Product was not found.");
//throw new ProductNotFoundException("Product was not found.");
}
}
public void SalesReport(IVendingItem item)
{
if (File.Exists("SalesReport.txt"))
{
using (StreamReader sr = new StreamReader("SalesReport.txt"))
{
using (StreamWriter sw = new StreamWriter("TempSalesReport.txt"))
{
try
{
while (!sr.EndOfStream)
{
string stringItem = sr.ReadLine();
if (stringItem.Contains(item.ItemName))
{
string[] itemParts = stringItem.Split('|');
int previousSold = Convert.ToInt32(itemParts[1]);
int newAmount = (previousSold + 1);
string newText = item.ItemName + "|" + newAmount;
sw.WriteLine(newText);
}
else
{
if (stringItem.Contains("Total Sales"))
{
string newText = "Total Sales|" + Balance.ToString("C");
sw.WriteLine(newText);
}
else
{
sw.WriteLine(stringItem);
}
}
}
}
catch (IOException ex)
{
Console.WriteLine("Error writing to file");
}
}
sr.Close();
}
File.Delete("SalesReport.txt");
File.Move("TempSalesReport.txt", "SalesReport.txt");
File.Delete("TempSalesReport.txt");
}
else
{
using (StreamWriter srr = new StreamWriter("SalesReport.txt"))
{
foreach (IVendingItem vendingItem in Items)
{
srr.WriteLine(vendingItem.ItemName + "|" + vendingItem.SoldItems);
}
srr.WriteLine("Total Sales" + "|" + Balance);
}
}
}
public void Purchase(IVendingItem item)
{
item.Stock--;
item.SoldItems++;
CurrentMoneyProvided -= item.ItemPrice;
Balance += item.ItemPrice;
Transaction.PrintTransaction(item.ItemName, item.ItemSlot, CurrentMoneyProvided, CurrentMoneyProvided - item.ItemPrice);
Console.WriteLine("Item purchase successful");
}
