public override List <Product> ReadInformation()
{
//throw new NotImplementedException();
List <Product> listOfSoftware = ProductDataMangement.ReadSoftwareDA();
return(listOfSoftware);
}
//public override void DeleteInformation(Product pro)
//{
// throw new NotImplementedException();
//}
//public override List<Product> SearchInformation(Product pro)
//{
// throw new NotImplementedException();
//}
/// <summary>
/// read book information from product.dat
/// </summary>
/// <returns>List of books</returns>
public override List <Product> ReadInformation()
{
//throw new NotImplementedException();
List <Product> listOfBooks = ProductDataMangement.ReadBookDA();
return(listOfBooks);
}
/// <summary>
/// delete product information in the file
/// </summary>
/// <param name="pro"></param>
public void DeleteInformation(Product pro)
{
//throw new NotImplementedException();
List <Product> listOfProducts = ProductDataMangement.ReadProductDA(pro);
ProductDataMangement.WriteProductDA(listOfProducts);
}
/// <summary>
/// check parameter id is existed in file or not
/// </summary>
/// <param name="id"></param>
/// <returns>true/false</returns>
public bool CheckProduct(string id)
{
bool find = false;
Product proInfo = ProductDataMangement.SearchProductInfoById(id);
if (proInfo.productId != null)
{
find = true;
}
return(find);
}
/// <summary>
/// get a product information according to object pro which has product Id
/// </summary>
/// <param name="pro"></param>
/// <returns>product</returns>
public Product GetInformation(Product pro)
{
Product proInfo = new Product();
if (pro.productId != "")
{
proInfo = ProductDataMangement.SearchProductInfoById(pro.productId);
}
return(proInfo);
}
/// <summary>
/// search same product information according to object pro
/// </summary>
/// <param name="pro"></param>
/// <returns></returns>
public virtual List <Product> SearchInformation(Product pro)
{
//throw new NotImplementedException();
List <Product> listOfProducts = null;
if (pro.productId != "")
{
listOfProducts = ProductDataMangement.SearchProductId(pro.productId);
}
else if (pro.productName != "")
{
listOfProducts = ProductDataMangement.SearchProductName(pro.productName);
}
return(listOfProducts);
}
public override void UpdateInformation(Product oldPro, Product newPro)
{
//throw new NotImplementedException();
oldPro.DeleteInformation(oldPro);
ProductDataMangement.WriteSoftwareDA(newPro);
}
//implemtment the interface
public override void SaveInformation(Product pro)
{
//throw new NotImplementedException();
ProductDataMangement.WriteSoftwareDA(pro);
}
