public OrderItemsViewModel(IOrderItemService orderItemService, IOrderService orderService, ICommonServices commonServices) : base(commonServices)
{
OrderItemService = orderItemService;
OrderItemList = new OrderItemListViewModel(OrderItemService, commonServices);
OrderItemDetails = new OrderItemDetailsViewModel(OrderItemService, commonServices);
}
private async void OnMessage(OrderItemListViewModel viewModel, string message, object args)
{
if (viewModel == OrderItemList && message == "ItemSelected")
{
await ContextService.RunAsync(() =>
{
OnItemSelected();
});
}
}
private async void OnListMessage(OrderItemListViewModel sender, string message, object args)
{
var current = Item;
if (current != null)
{
switch (message)
{
case "ItemsDeleted":
if (args is IList <OrderItemModel> deletedModels)
{
if (deletedModels.Any(r => r.OrderID == current.OrderID && r.OrderLine == current.OrderLine))
{
await OnItemDeletedExternally();
}
}
break;
case "ItemRangesDeleted":
try
{
var model = await OrderItemService.GetOrderItemAsync(current.OrderID, current.OrderLine);
if (model == null)
{
await OnItemDeletedExternally();
}
}
catch (Exception ex)
{
LogException("OrderItem", "Handle Ranges Deleted", ex);
}
break;
}
}
}