protected override void UpdateProductsQuantities(List <TransactionProduct> products, bool isRollBack)
{
foreach (var prodTrans in products)
{
var product = ProductDbService.FindById(prodTrans.ProductId);
if (isRollBack)
{
product.Quantity += prodTrans.ProductQuantity;
}
else
{
product.Quantity -= prodTrans.ProductQuantity;
}
ProductDbService.UpdateProduct(product);
}
}
public void EditProductRequest()
{
Product product;
if (!Roles.IsStandard(Presenter.GetStateManager().UserSession.SessionEntity.Roles))
{
Presenter.GetStateManager()
.Push(new ErrorPresenter(Presenter.GetStateManager(), Messages.NotAuthorizedMsg));
return;
}
try
{
product = ProductDbService.FindById(ViewService.GetSelectedProductId());
}
catch (ArgumentException e)
{
Presenter.GetStateManager().Push(new ErrorPresenter(Presenter.GetStateManager(), e.Message));
return;
}
Presenter.GetStateManager().Push(new EditProductPresenter(Presenter.GetStateManager(), product, this));
}
protected List <TransactionProduct> GetProductsFromDataGrid(TransactionType transactionType)
{
var products = new List <TransactionProduct>();
for (var i = 0; i < OperationsViewService.GetRowsCount(); i++)
{
//var row = this.OperationsViewService.DataGrid.Rows[i];
var transactionNumber = OperationsViewService.GetDataAtRow(i, TransactionNumber);
var productId = -1;
var selectedProductQuantity = 0D;
Product product;
try
{
var prodIdCell = OperationsViewService.GetDataAtRow(i, ProductId);
if (prodIdCell == null)
{
continue;
}
productId = (int)prodIdCell;
product = ProductDbService.FindById(productId);
if (product == null)
{
throw new Exception();
}
selectedProductQuantity = double.Parse(OperationsViewService.GetDataAtRow(i, ProductQuantity) + "");
}
catch (Exception)
{
throw new ArgumentException($"{ThereWasAnErrorOnRow} {transactionNumber}");
}
if (selectedProductQuantity <= 0D)
{
throw new ArgumentException($"{ChooseValidQuantity} {transactionNumber}");
}
if (transactionType == TransactionType.SALE)
{
if (product.Quantity < selectedProductQuantity)
{
throw new ArgumentException($"{InsufficientAmount} {transactionNumber}");
}
}
var subTotal = 0.0;
switch (transactionType)
{
case TransactionType.SALE:
subTotal = product.SellPrice * selectedProductQuantity;
break;
case TransactionType.DELIVERY:
subTotal = product.ImportPrice * selectedProductQuantity;
break;
}
var productTransaction = new TransactionProduct
{
ProductId = product.Id,
ProductQuantity = selectedProductQuantity,
SubTotalPrice = subTotal
};
products.Add(productTransaction);
}
return(products);
}