public PurchaseOrderMainViewModel(
IProductRepository productRepository,
ISupplierRepository supplierRepository,
IPurchaseOrderRepository purchaseOrderRepository,
IPurchaseOrderDetailRepository purchaseOrderDetailRepository,
IEventAggregator ea)
{
ProductLocatingViewModel = new ProductLocatingViewModel(productRepository, ea);
PurchaseOrderListViewModel = new PurchaseOrderListViewModel(ea);
SupplierSelectionViewModel = new SupplierSelectionViewModel(supplierRepository, ea);
PurchaseAllOrdersViewModel = new PurchaseAllOrdersViewModel(purchaseOrderRepository, ea);
SubmitCommand = new DelegateCommand(Submit, CanSubmit);
_productRepository = productRepository;
_supplierRepository = supplierRepository;
_purchaseOrderDetailRepository = purchaseOrderDetailRepository;
EA = ea;
EA.GetEvent <CanSubmitEvent>().Subscribe(RaiseCanSubmitEvent);
EA.GetEvent <UpdatePurchaseDetails>().Subscribe(OnUpdatePurchaseDetails);
}
private async void Submit()
{
var progress = await Dialoger.ShowProgressAsync(this, "Purchase Order", "Please wait. Order is in progress", settings : OkCancelMessageSettings);
var maxValue = PurchaseOrderListViewModel.Items.Count;
progress.Minimum = 0;
progress.Maximum = maxValue;
var progressValue = 0;
await Task.Delay(100);
var purchaseOrder = new M.PurchaseOrder
{
SupplierId = SupplierSelectionViewModel.SelectedItem.Id,
OrderDate = SupplierSelectionViewModel.OrderDate
};
foreach (var item in PurchaseOrderListViewModel.Items)
{
var purchasedetail = new M.PurchaseOrderDetail()
{
ProductId = item.ProductId,
PurchasePrice = item.PurchasePrice,
SalePrice = item.SalePrice,
Quantity = item.Quantity,
};
purchaseOrder.OrderDetails.Add(purchasedetail);
var product = _productRepository.Get(purchasedetail.ProductId);
product.Quantity += purchasedetail.Quantity;
if (purchasedetail.PurchasePrice > product.PurchasePrice)
{
product.PurchasePrice = purchasedetail.PurchasePrice;
}
if (purchasedetail.SalePrice > product.SalePrice)
{
product.SalePrice = purchasedetail.SalePrice;
}
_productRepository.Save();
progressValue++;
progress.SetProgress(progressValue);
await Task.Delay(100);
}
var supplier = _supplierRepository.Get(purchaseOrder.SupplierId);
supplier.PurchaseOrders.Add(purchaseOrder);
_supplierRepository.Save();
await Task.Delay(100);
PurchaseOrderListViewModel.Items.Clear();
PurchaseOrderListViewModel.CalculateTotal();
EA.GetEvent <SubmittedEvent>().Publish();
await progress.CloseAsync();
await Dialoger.ShowMessageAsync(this, "Purchase Order", "Purchase order completed.\nInventory is being updated.", MessageDialogStyle.Affirmative, OkCancelMessageSettings);
}