// A reusable method to display the Orders so far placed/recorded.
public void DisplayOrder(RiceBowl RiceBowlOrder)
{
Console.WriteLine("_________________________________________________");
Console.WriteLine("Order:");
Console.WriteLine("Rice Type: " + (RiceBowlOrder.RiceType == 1 ? "White Rice" : "Brown Rice"));
// The ordered customizations/additionals are stored according to their indexes (array_index + 1).
// Print the names of the orders Addons accordingly.
foreach (string item in RiceBowlOrder.Additionals.Split(',', StringSplitOptions.RemoveEmptyEntries))
{
Console.WriteLine(AddOns[int.Parse(item) - 1]);
}
Console.WriteLine("_________________________________________________");
}
public int PlaceOrder(RiceBowl RiceBowlOrder)
{
bool PrintError = false;
// Repeat this method untill user enters a valid input
while (true)
{
Console.Clear();
if (PrintError)
{
PrintErrorMsg("Please Enter one of the given options.");
PrintError = false;
}
DisplayOrder(RiceBowlOrder);
Console.WriteLine("Press \"Enter\" ==> Place Order");
Console.WriteLine("Press 1 ==> Modify Order");
Console.WriteLine("Press 0 ==> Cancel Order");
ConsoleKeyInfo PlaceOrderInp = Console.ReadKey();
Console.WriteLine("\n_________________________________________________");
int OrderInp = 0;
int.TryParse(PlaceOrderInp.KeyChar.ToString(), out OrderInp);
if (PlaceOrderInp.KeyChar.ToString() == "0")
{
// Warn the user in order to make sure he doesn't cancel the order accidentally.
if (WarningFunc() == 1)
{
return(0);
}
}
//Return 1 => to Modify Order, 2 => to place Order.
else if (OrderInp == 1 || PlaceOrderInp.Key == ConsoleKey.Enter)
{
return(OrderInp == 0 ? 2 : 1);
}
else
{
PrintError = true;
}
}
}
public void TakeOrders()
{
// Take the input on the type of rice required in the rice bowl.
RiceBowl RiceBowlOrder = new RiceBowl();
Console.WriteLine("Taking Orders");
int RiceBowlInp = RiceBowl();
if (RiceBowlInp == 0)
{
Start();
}
else
{
RiceBowlOrder.RiceType = RiceBowlInp;
RiceBowlOrder.Additionals = string.Empty;
// Take the input on all the Additiionals/Customizations required in the rice bowl.
RiceBowlOrder = GetOrDeleteAddOnsOrder(RiceBowlOrder, true);
// GetOrDeleteAddOnsOrder returns null if the user wants to cancel the order.
if (RiceBowlOrder == null)
{
Start();
}
else
{
bool IsModyfying = true;
while (IsModyfying)
{
// GetOrDeleteAddOnsOrder returns null if the user wants to cancel the order.(While Modifying Customizations)
if (RiceBowlOrder == null)
{
IsModyfying = false;
Console.WriteLine("Order Cancelled!!!");
}
else
{
int PlaceOrderInp = PlaceOrder(RiceBowlOrder);
Console.Clear();
switch (PlaceOrderInp)
{
case 0:
IsModyfying = false;
Console.WriteLine("Order Cancelled!!!");
break;
case 1:
RiceBowlOrder = ModifyOrder(RiceBowlOrder);
break;
default:
IsModyfying = false;
Console.WriteLine("Order Placed!!!");
DisplayOrder(RiceBowlOrder);
// Add the Placed Orders to a List, which can be later used in Displaying the Records.
AllOrderDetails.Add(new OrderDetails {
RiceType = RiceBowlOrder.RiceType, Additionals = RiceBowlOrder.Additionals, OrderPlacedDateTime = DateTime.Now
});
break;
}
}
}
// Delay for 2 seconds before going ahead and taking the next order.
int milliseconds = 2000;
Thread.Sleep(milliseconds);
Start();
}
}
}
public RiceBowl ModifyOrder(RiceBowl RiceBowlOrder)
{
bool PrintError = false;
// Repeat this method untill user enters a valid input
while (true)
{
Console.Clear();
if (PrintError)
{
PrintErrorMsg("Please Enter one of the given options.");
PrintError = false;
}
DisplayOrder(RiceBowlOrder);
// Print all the type of modifications available.
Console.WriteLine("Press \"Enter\" ==> To proceed to place order");
Console.WriteLine("Press 1 ==> Add new items to the order");
Console.WriteLine("Press 2 ==> Delete items from the order");
Console.WriteLine("Press 9 ==> Change Rice Type");
Console.WriteLine("Press 0 ==> Cancel the Order");
ConsoleKeyInfo ModifyOrderInp = Console.ReadKey();
Console.WriteLine("\n_________________________________________________");
if (ModifyOrderInp.Key == ConsoleKey.Enter)
{
return(RiceBowlOrder);
}
else if (ModifyOrderInp.KeyChar.ToString() == "0")
{
// Warn the user in order to make sure he doesn't cancel the order accidentally.
if (WarningFunc() == 1)
{
return(null);
}
}
else
{
switch (ModifyOrderInp.KeyChar.ToString())
{
// Call the GetOrDeleteAddOnsOrder method while setting is Argument IsAdd to true => add new items to the order.
// IsAdd to false => delete existing items from the order.
case "1":
RiceBowlOrder = GetOrDeleteAddOnsOrder(RiceBowlOrder, true);
break;
case "2":
RiceBowlOrder = GetOrDeleteAddOnsOrder(RiceBowlOrder, false);
break;
case "9":
RiceBowlOrder.RiceType = RiceBowlOrder.RiceType == 1 ? 2 : 1;
break;
default:
PrintError = true;
break;
}
}
//If the Order has been cancelled while Modifying thecustomizations.
if (RiceBowlOrder == null)
{
return(null);
}
}
}
public RiceBowl GetOrDeleteAddOnsOrder(RiceBowl RiceBowlOrder, bool IsAdd)
{
bool PrintError = false;
string Error = "";
// Repeat this method untill user enters a valid input
while (true)
{
Console.Clear();
if (PrintError)
{
PrintErrorMsg(Error);
PrintError = false;
}
DisplayOrder(RiceBowlOrder);
/*Assumption: Customizations are not tightly bound,
* for Ex: the customer can choose to add both the meat or no meat at all.
* Similarly can choose to have no sauce at all*/
Console.WriteLine("Customizations:\n");
// Display the available Customizations.
for (int i = 0; i < AddOns.Length; i++)
{
Console.WriteLine("Press " + (i + 1) + " ==> " + "To Add " + AddOns[i]);
}
Console.WriteLine("\nKeep Entering the Customizations.\n\nOR ");
Console.WriteLine("\nPress 9 ==> To Change Rice Type");
Console.WriteLine("Press 0 ==> To Cancel the Order");
Console.WriteLine("Press \"Enter\" ==> To Continue to Place Order.");
ConsoleKeyInfo CustomizeInp = Console.ReadKey();
Console.WriteLine("\n_________________________________________________\n");
int AddOnsInp = 0;
int.TryParse(CustomizeInp.KeyChar.ToString(), out AddOnsInp);
if (CustomizeInp.Key == ConsoleKey.Enter)
{
return(RiceBowlOrder);
}
// Warn the user in order to make sure he doesn't cancel the order accidentally.
else if (CustomizeInp.KeyChar.ToString() == "0")
{
if (WarningFunc() == 1)
{
return(null);
}
}
else if (AddOnsInp > 0 && AddOnsInp < 8)
{
// A single method that Adds items to the order, or deletes item from it based on the situation (an argument)
/* Stores the Additionals as a string that contains the indexes(array_index+1) of the ordered stuff
* separated by comma */
if (IsAdd)
{
// Warn if ordered item is already in the order.
if (RiceBowlOrder.Additionals.Contains(AddOnsInp.ToString()))
{
PrintError = true;
Error = "Entered Item already exists. Please select other options or Proceed to Checkout";
}
else
{
RiceBowlOrder.Additionals += (AddOnsInp + ",");
}
}
else
{
// Warn if the item to be deleted is not ordered.
if (!RiceBowlOrder.Additionals.Contains(AddOnsInp.ToString()))
{
PrintError = true;
Error = "Entered Item does not exist exists. Please select other options or Proceed to Checkout";
}
else
{
RiceBowlOrder.Additionals = RiceBowlOrder.Additionals.Replace((AddOnsInp + ","), "");
}
}
}
// Change the Rice type.
else if (AddOnsInp == 9)
{
RiceBowlOrder.RiceType = RiceBowlOrder.RiceType == 1 ? 2 : 1;
}
else
{
PrintError = true;
Error = "Please Enter one of the given options.";
}
}
}
