/// <summary>
/// 设置产品分类
/// </summary>
/// <param name="product"></param>
/// <param name="category"></param>
/// <returns></returns>
public ProductCategorization Categorize(Product product, Category category)
{
if (product == null)
{
throw new ArgumentNullException("product");
}
if (category == null)
{
throw new ArgumentNullException("category");
}
var prdCategorization = _productCategorizationRepository.GetBySpecification(
Specification <ProductCategorization> .Eval(c => c.ProductId == product.Id));
/*对比这两个方法*/
var test = _productCategorizationRepository.GetByExpression(c => c.ProductId == product.Id);
if (prdCategorization == null)
{
prdCategorization = ProductCategorization.CreateCategorization(product, category);
_productCategorizationRepository.Add(prdCategorization);
}
else
{
prdCategorization.CategoryId = category.Id;
_productCategorizationRepository.Update(prdCategorization);
}
_repositoryContext.Commit();
return(prdCategorization);
}
public ProductCategorization Categorize(Product product, Category category)
{
if (product == null)
{
throw new ArgumentNullException("product");
}
if (category == null)
{
throw new ArgumentNullException("category");
}
var productCategorization =
_productCategorizationRepository.FirstOrDefault(c => c.Product.Id == product.Id);
if (productCategorization == null)
{
productCategorization = ProductCategorization.CreateCategorization(product, category);
_productCategorizationRepository.Insert(productCategorization);
}
else
{
productCategorization.Category.Id = category.Id;
_productCategorizationRepository.Update(productCategorization);
}
return(productCategorization);
}
