/// <summary>
/// Handle input.
/// </summary>
public void InputLoop()
{
do
{
this.PrintMenu();
if (this.ApplicationState.UserData.CurrentOrderId == null)
{
CliInput.PressAnyKey("There is currently no open order.");
break;
}
using (var db = new StoreContext(this.ApplicationState.DbOptions))
{
var order = db.GetOrderById(this.ApplicationState.UserData.CurrentOrderId);
if (order == null)
{
break;
}
if (order.OrderLineItems.Count() == 0)
{
CliInput.PressAnyKey("There are no items in your order.");
break;
}
}
var getLineOptions = CliInput.GetLineOptions.AcceptEmpty | CliInput.GetLineOptions.TrimSpaces;
var option = CliInput.GetLine(getLineOptions, v => true, "[D]elete / Change [Q]uantity: ");
switch (option)
{
case null:
case "":
this.MenuExit();
return;
case "D":
case "d":
{
var itemNumber = CliInput.GetInt(CliInput.GetIntOptions.AllowEmpty, n => n > 0 && n <= this.LineItemIds.Count, "Select item number:");
if (itemNumber == null)
{
continue;
}
using (var db = new StoreContext(this.ApplicationState.DbOptions))
{
var deleted = db.DeleteLineItem(this.LineItemIds[(int)itemNumber - 1]);
if (!deleted)
{
CliInput.PressAnyKey("There was a problem deleting that line item. Please try again.");
}
}
break;
}
case "Q":
case "q":
{
var itemNumber = CliInput.GetInt(CliInput.GetIntOptions.AllowEmpty, n => n > 0 && n <= this.LineItemIds.Count, "Select item number:");
if (itemNumber == null)
{
continue;
}
using (var db = new StoreContext(this.ApplicationState.DbOptions))
{
var order = db.GetOrderById(this.ApplicationState.UserData.CurrentOrderId);
var lineItemId = this.LineItemIds[(int)itemNumber - 1];
var lineItem = order.OrderLineItems.Where(li => li.OrderLineItemId == lineItemId);
var product = lineItem.First().Product;
var maxOrder = db.LocationInventories
.Where(i => i.Location.LocationId == order.Location.LocationId)
.Where(i => i.Product.ProductId == product.ProductId)
.Select(i => i.Quantity).FirstOrDefault();
var newQuantity = CliInput.GetInt(CliInput.GetIntOptions.AllowEmpty,
q => q >= 0 && q <= maxOrder,
$"New quantity [{maxOrder} max]:");
if (newQuantity == null)
{
continue;
}
var adjusted = db.SetLineItemQuantity(this.LineItemIds[(int)itemNumber - 1], (int)newQuantity);
if (!adjusted)
{
CliInput.PressAnyKey("There was a problem adjusting the quantity for that line item. Please try again.");
}
}
break;
}
}
} while (true);
this.MenuExit();
}