public virtual IActionResult RelatedProductList(RelatedProductSearchModel searchModel) { if (!_permissionService.Authorize(StandardPermissionProvider.ManageProducts)) { return(AccessDeniedKendoGridJson()); } //try to get a product with the specified id var product = _productService.GetProductById(searchModel.ProductId) ?? throw new ArgumentException("No product found with the specified id"); //a vendor should have access only to his products if (_workContext.CurrentVendor != null && product.VendorId != _workContext.CurrentVendor.Id) { return(Content("This is not your product")); } //prepare model var model = _productModelFactory.PrepareRelatedProductListModel(searchModel, product); return(Json(model)); }