public void DeleteProduct(Product product)
{
try
{
mProductRepository.DeleteProduct(product, true);
}
catch (Exception ex)
{
throw ex;
}
}
public void InsertProduct(Product product, bool isImmediateSave)
{
try
{
mContext.Products.AddObject(product);
if (isImmediateSave)
{
mContext.SaveChanges();
}
}
catch (Exception ex)
{
// TODO: Add exception handling code here.
throw ex;
}
}
public void DeleteProduct(Product product, bool isImmediateSave)
{
try
{
// Cascade deletion for reviews.
IReviewRepository reviewRepository = new ReviewRepository();
var reviews = reviewRepository.GetReviews().Where(review => review.productID == product.productID);
foreach (Review review in reviews)
{
reviewRepository.DeleteReview(review, false);
}
reviewRepository.Dispose();
// Cascade deletion for discount items.
IDiscountItemRepository discountItemRepository = new DiscountItemRepository();
var discountItems = discountItemRepository.GetDiscountItems().Where(discountItem => discountItem.productID == product.productID);
foreach (DiscountItem discountItem in discountItems)
{
discountItemRepository.DeleteDiscountItem(discountItem, false);
}
discountItemRepository.Dispose();
mContext.Products.Attach(product);
mContext.Products.DeleteObject(product);
if (isImmediateSave)
{
mContext.SaveChanges();
}
}
catch (Exception ex)
{
var message = ex.Message;
// TODO: Add exception handling code here.
throw ex;
}
}
protected void SubmitButton_Click(object sender, EventArgs e)
{
// The new product to insert.
Product product = new Product();
product.productName = this.ProductNameTextBox.Text;
product.price = Convert.ToDecimal(this.PriceTextBox.Text);
product.location = this.LocationTextBox.Text;
product.brand = this.BrandTextBox.Text;
product.description = this.ProductDescriptionTextBox.Text;
product.secCategoryID = Convert.ToInt32(this.SecCategoriesDropDownList.SelectedValue);
product.barCode = this.BarcodeTextBox.Text;
// Set the image url and copy the cooresponding image from temporary directory to persistence directory
// only when the user has uploaded an image.
if (this.ProductImage.ImageUrl != null && this.ProductImage.ImageUrl != "")
{
try
{
// Get the file name for the image.
String fileName = ProductImage.ImageUrl.Substring(ProductImage.ImageUrl.LastIndexOf("/") + 1);
String tempFile = tempPath + fileName;
if (File.Exists(tempFile))
{
File.Copy(tempFile, imageSavePath + fileName);
}
product.imageURL = fileName;
}
catch (Exception ex)
{
// TODO: Handling exception.
product.imageURL = DEFAULT_IMAGE;
}
}
else
{
product.imageURL = DEFAULT_IMAGE;
}
// For insertion.
if((bool)ViewState["IsNew"])
{
mProducts.InsertProduct(product);
}
else // For updating.
{
Product origProduct = GetProduct();
if (File.Exists(imageSavePath + origProduct.imageURL))
{
File.Delete(imageSavePath + origProduct.imageURL);
}
product.productID = origProduct.productID;
mProducts.UpdateProduct(product, origProduct);
}
Response.Write("<script type='text/javascript'>alert('成功');window.location ='Categories.aspx';</script>");
mProducts.Dispose();
// Jump to the product list which the edited product is in.
}
public void InsertProduct(Product product)
{
try
{
mProductRepository.InsertProduct(product, true);
}
catch (Exception ex)
{
throw ex;
}
}
public void UpdateProduct(Product product, Product origProduct)
{
try
{
mProductRepository.UpdateProduct(product, origProduct, true);
}
catch (Exception ex)
{
throw ex;
}
}
public void UpdateProduct(Product newProduct, Product origProduct, bool isImmediateSave)
{
try
{
mContext.Products.Attach(origProduct);
mContext.ApplyCurrentValues("Products", newProduct);
if (isImmediateSave)
{
mContext.SaveChanges();
}
}
catch (Exception ex)
{
// TODO: Add exception handling code here.
throw ex;
}
}
/// <summary>
/// 创建新的 Product 对象。
/// </summary>
/// <param name="productID">productID 属性的初始值。</param>
/// <param name="secCategoryID">secCategoryID 属性的初始值。</param>
/// <param name="barCode">barCode 属性的初始值。</param>
/// <param name="productName">productName 属性的初始值。</param>
/// <param name="price">price 属性的初始值。</param>
/// <param name="description">description 属性的初始值。</param>
public static Product CreateProduct(global::System.Int32 productID, global::System.Int32 secCategoryID, global::System.String barCode, global::System.String productName, global::System.Decimal price, global::System.String description)
{
Product product = new Product();
product.productID = productID;
product.secCategoryID = secCategoryID;
product.barCode = barCode;
product.productName = productName;
product.price = price;
product.description = description;
return product;
}
/// <summary>
/// 用于向 Products EntitySet 添加新对象的方法，已弃用。请考虑改用关联的 ObjectSet<T> 属性的 .Add 方法。
/// </summary>
public void AddToProducts(Product product)
{
base.AddObject("Products", product);
}
