public Library.Inventory HandleTransaction(Library.Transaction transaction)
{
var result = _context.OrderLines.Where(x => x.ProductId == transaction.ProductId && x.Order.CustomerId == transaction.OrderDetails.Customer.Id).FirstOrDefault();
if (result != null)
{
result.Quantity = result.Quantity + transaction.Quantity;
_context.SaveChanges();
Console.WriteLine("Transaction Successfully Occurred and Was Saved");
Library.Inventory updatedorder = GetOrderInventoryByID(result.OrderId);
return(updatedorder);
}
else
{
OrderLine orderLine = new OrderLine()
{
OrderId = transaction.OrderDetails.OrderId,
ProductId = transaction.ProductId,
Quantity = transaction.Quantity,
};
_context.OrderLines.Add(orderLine);
}
Console.WriteLine("Could Not Find A Result");
return(new Library.Inventory());
}
/// <summary>
/// Displays a menu of options for users to manage Orders, allows them to return back to main menu. Data type is validated here
/// </summary>
/// <param name="repository"></param>
public static void DisplayOptions(Repository repository)
{
while (true)
{
Console.WriteLine("You are now viewing the Order Management Menu, Please Choose Another Key To Select An Options");
Console.WriteLine("d: Vew Details of an Order");
Console.WriteLine("a: Edit Item on Order");
Console.WriteLine("c: Create A New Order");
Console.WriteLine("q: To Return Back to the Main Menu");
Console.WriteLine();
string userinput = Console.ReadLine();
if (userinput == "c")
{
int customerid;
while (true)
{
Console.WriteLine("Please Enter The Customer Id\n");
string customeridstring = Console.ReadLine();
if (int.TryParse(customeridstring, out customerid))
{
break;
}
else if (customeridstring == "q")
{
break;
}
}
int storeid;
while (true)
{
Console.WriteLine("Please Enter The Store Id\n");
string storeidstring = Console.ReadLine();
if (int.TryParse(storeidstring, out storeid))
{
break;
}
else if (storeidstring == "q")
{
break;
}
}
DateTime timecreated = DateTime.Now;
try
{
Library.Order order = new Library.Order(customerid, storeid, timecreated);
if (repository.AddOrder(order))
{
Console.WriteLine("Successfully added Order");
Console.WriteLine("Remember to save to lock in changes.");
}
}
catch (ArgumentException exception)
{
Console.WriteLine("Could not Create Order");
Console.WriteLine(exception.Message);
}
}
else if (userinput == "a")
{
Console.WriteLine("Please select the Id of an order you would like to edit\n");
int orderid;
OrderDetails orderDetails = new OrderDetails();
while (true)
{
while (true)
{
string orderidstring = Console.ReadLine();
if (int.TryParse(orderidstring, out orderid))
{
break;
}
Console.WriteLine("\nPlease Enter An Integer\n");
}
orderDetails = repository.GetOrderDetailsById(orderid);
if (!Object.ReferenceEquals(orderDetails.Customer, null))
{
Console.WriteLine("\nOrder found good job! ;)\n");
break;
}
else
{
Console.WriteLine($"Order not found, need a valid Id that matches with an order.");
}
}
Library.Inventory orderinventory = repository.GetOrderInventoryByID(orderid);
Library.Inventory storeinventory = repository.GetStoreInventoryByID(orderid);
Console.WriteLine("\nHere is the current content of that order.\n");
orderinventory.DisplayContents();
Console.WriteLine("\nPlease Enter the Product Id\n");
int productid;
while (true)
{
string orderidstring = Console.ReadLine();
if (int.TryParse(orderidstring, out productid))
{
break;
}
Console.WriteLine("\nPlease Enter An Integer\n");
}
Library.Product product = repository.GetProductById(productid);
Console.WriteLine("You selected the following item.");
product.DisplayDetails();
Console.WriteLine("Please enter how many you would like to add to the order.\n");
int quantity;
while (true)
{
string orderidstring = Console.ReadLine();
if (int.TryParse(orderidstring, out quantity))
{
break;
}
Console.WriteLine("Please Enter An Integer\n");
}
try
{
Library.Transaction transaction = Library.TransactionProcessor.AttemptTransaction(storeinventory, orderinventory, productid, quantity, orderDetails);
Library.Inventory updatedinventory = repository.HandleTransaction(transaction);
Console.WriteLine("\nHere is an updated inventory of the order for you\n");
updatedinventory.DisplayContents();
}
catch (ArgumentException exception)
{
Console.WriteLine(exception.Message);
}
break;
}
else if (userinput == "d")
{
Console.WriteLine("Please select the Id of an order you would like to view the details of\n");
int orderid;
while (true)
{
Console.WriteLine("Please Enter The Order Id\n");
string orderidstring = Console.ReadLine();
if (int.TryParse(orderidstring, out orderid))
{
break;
}
else if (orderidstring == "q")
{
break;
}
}
Library.OrderDetails orderDetails = repository.GetOrderDetailsById(orderid);
orderDetails.Details();
break;
}
else if (userinput == "q")
{
Console.WriteLine("Returning to Main Menu\n");
break;
}
}
}