public ProductPresenter(IProductView view)
{
if (Singleton <ProductBusiness> .Instance == null)
{
Singleton <ProductBusiness> .Instance = new ProductBusiness(Singleton <PosEngine> .Instance.Resolve <IRepository <Product> >());
}
_business = Singleton <ProductBusiness> .Instance;
_businessPrice = new ProductPriceBusiness(Singleton <PosEngine> .Instance.Resolve <IRepository <ProductPrice> >());
_businessCategory = new CategoryBusiness(Singleton <PosEngine> .Instance.Resolve <IRepository <Category> >());
_view = view;
Product product = new Product();
var units = new UnitBusiness(Singleton <PosEngine> .Instance.Resolve <IRepository <Unit> >()).GetAll().ToList();
var manufacturers = new ManufacturerBusiness(Singleton <PosEngine> .Instance.Resolve <IRepository <Manufacturer> >()).GetAll().ToList();
_model = new ProductModel(product, units, manufacturers);
_view.InitView(_model);
}