public PurchaseController(
     IProductRepository productRepository,
     IPurchaseRepository purchaseRepository,
     IPurchaseProductRepository purchaseProductRepository)
 {
     _productRepository         = productRepository;
     _purchaseRepository        = purchaseRepository;
     _purchaseProductRepository = purchaseProductRepository;
 }
 public PurchaseProductRepositoryService()
 {
     IoCManagerCore.Start();
     _purchaseProductRepository = IoCManagerCore.Kernel.Get<IPurchaseProductRepository>();
     _wrapper = new WrapperPurchaseProduct();
 }