public object Clone()
{
ProductTypeList result = new ProductTypeList();
result.Types.AddRange(this.Types);
return(result);
}
public ProductTypeList GetProductTypes()
{
if (productTypeList == null)
{
productTypeList = ProductTypeLoader.LoadProductTypeList();
}
return productTypeList;
}
public static ProductList LoadProducts(ProductTypeList productTypeList, BrandList brandList)
{
if (productTypeList == null || brandList == null)
{
return null;
}
ProductList productList = LoadProductList(productTypeList, brandList);
return productList;
}
public static ProductTypeList LoadProductTypeList()
{
DataTable dataTable = DBAccessor.QueryProductTypes();
if (dataTable == null)
{
return null;
}
ProductTypeList productTypeList = new ProductTypeList();
foreach (DataRow dataRow in dataTable.Rows)
{
ProductType productType = LoadProductType(dataRow);
productTypeList.AddType(productType);
}
return productTypeList;
}
private static ProductList LoadProductList(ProductTypeList productTypeList, BrandList brandList)
{
DataTable dataTable = DBAccessor.QueryProducts();
if (dataTable == null)
{
return null;
}
ProductList productList = new ProductList();
foreach (DataRow dataRow in dataTable.Rows)
{
Product product = LoadProduct(dataRow, productTypeList, brandList);
if (product == null)
{
continue;
}
productList.AddProduct(product);
}
return productList;
}
private static Product LoadProduct(DataRow dataRow, ProductTypeList productTypeList, BrandList brandList)
{
int id = Convert.ToInt32(dataRow["PID"]);
int typeID = Convert.ToInt32(dataRow["ProductType"]);
int brandID = Convert.ToInt32(dataRow["Brand"]);
string name = dataRow["ProductName"].ToString();
string remark = dataRow["Remark"].ToString();
ProductType type = productTypeList.GetType(typeID);
if (type == null)
{
Log.Write("LoadProduct failed. Can't find type:" + typeID.ToString());
return null;
}
Brand brand = brandList.GetBrand(brandID);
if (brand == null)
{
Log.Write("LoadProduct failed. Can't find brand:" + brandID.ToString());
return null;
}
Product result = new Product(id, type, name, brand, remark);
return result;
}
private void InitData()
{
brandList = controller.GetBrands();
productTypeList = controller.GetProductTypes();
productList = controller.GetProducts();
}
public object Clone()
{
ProductTypeList result = new ProductTypeList();
result.Types.AddRange(this.Types);
return result;
}
