private void ClearOrderFiles()
{
OrderedDrink.ClearFile();
OrderedPizza.ClearFile();
Order.ClearFile();
ClearOrder();
}
// methods
/// <summary>
/// saves the order data to a file
/// </summary>
/// <param name="drink"> ordered drink</param>
/// <param name="quantity"> quantity of the ordered drinks</param>
/// <returns></returns>
public static int AddOrderedDrinkToFile(Drink drink, int quantity)
{
using (StreamWriter sw = File.AppendText(filename))
{
sw.WriteLine(string.Join(", ", OrderedDrink.DrinkOrderToCSV(drink, quantity)));
sw.Close();
}
return(1);
}
private void ReloadDrinks()
{
orderedDrinksLbx.Items.Clear();
List <OrderedDrink> drinks = OrderedDrink.GetAllDrinks();
foreach (OrderedDrink d in drinks)
{
orderedDrinksLbx.Items.Add(d);
}
}
/// <summary>
/// Convert the order drinks to cSV
/// </summary>
/// <returns> csv string</returns>
public string DrinksToCSV()
{
string result = "DRINKS";
result += Environment.NewLine;
foreach (OrderedDrink d in drinks)
{
result += OrderedDrink.DrinkOrderToCSV(d.Drink, d.Quantity);
result += Environment.NewLine;
}
return(result);
}
/// <summary>
/// Get all the saved drinks from file
/// </summary>
/// <returns> list of drinks </returns>
public static List <OrderedDrink> GetAllDrinks()
{
List <OrderedDrink> drinks = new List <OrderedDrink>();
if (!File.Exists(filename))
{
Utils.CreateEmptyFile(filename);
}
using (StreamReader file = new StreamReader(filename))
{
string line;
while ((line = file.ReadLine()) != null)
{
List <String> data = line.Split(',').ToList();
Drink drink = new Drink(1, data[0], float.Parse(data[1]));
OrderedDrink ordered = new OrderedDrink(1, drink, Convert.ToInt32(data[2]));
drinks.Add(ordered);
}
file.Close();
}
return(drinks);
}
/// <summary>
/// Get all orders from a file
/// </summary>
/// <param name="filename"> the name of the file </param>
/// <returns></returns>
public static Shop OrdersFromFile(string filename)
{
Shop s = null;
try
{
if (!File.Exists(filename))
{
Utils.CreateEmptyFile(filename);
}
using (StreamReader file = new StreamReader(filename))
{
string shopName = file.ReadLine();
s = new Shop(shopName);
string line;
List <Order> orders = new List <Order>();
while ((line = file.ReadLine()) != null)
{
if (line == "ORDER")
{
// get base information for the order
line = file.ReadLine();
List <String> data = line.Split(',').ToList();
bool IsCancelled = Convert.ToBoolean(data[0]);
DateTime createdAt = Convert.ToDateTime(data[1]);
Customer c = null;
if (data.Count == 4)
{
c = new Customer(1, data[2], data[3]);
}
else
{
c = new Customer(1, data[2]);
}
line = file.ReadLine();
if (line == "PIZZAS")
{
List <OrderedDrink> orderedDrinks = new List <OrderedDrink>();;
List <OrderedPizza> orderedPizzas = new List <OrderedPizza>();
while ((line = file.ReadLine()) != "DRINKS")
{
List <String> pizzas = line.Split(',').ToList();
Pizza pizza = new Pizza(1, pizzas[0], float.Parse(pizzas[1]), float.Parse(pizzas[2]));
OrderedPizza p = new OrderedPizza(pizza, Convert.ToInt32(pizzas[3]), Convert.ToBoolean(pizzas[4]), Convert.ToBoolean(pizzas[5]));;
orderedPizzas.Add(p);
}
while ((line = file.ReadLine()) != "ENDORDER" && line != "")
{
List <String> drinks = line.Split(',').ToList();
Drink drink = new Drink(1, drinks[0], float.Parse(drinks[1]));
OrderedDrink d = new OrderedDrink(drink, Convert.ToInt32(drinks[2]));
orderedDrinks.Add(d);
}
Order o = new Order(c, IsCancelled, createdAt, orderedPizzas, orderedDrinks, true);
orders.Add(o);
}
}
}
file.Close();
foreach (Order o in orders)
{
s.AddOrder(o);
}
}
} catch (Exception)
{
if (filename != null)
{
using (File.Create(filename));
}
}
return(s);
}