/// <summary>
/// Modify the product count in the shopping cart
/// </summary>
/// <param name="productID">要修改的购物车中的商品项的商品ID</param>
/// <param name="amount">商品的最后数量</param>
/// <returns>修改成功返回true，否则返回false</returns>
public bool ModifyCartItem(int productID, decimal amount)
{
CartItem cartItem = cartItems.Find(p => p.ProductID == productID);
if (cartItem == null)
{
SaledProductItem saledProduct = ProductManager.GetSaledProductByID(productID);
if (saledProduct == null || (saledProduct.Product.Unit != "斤" && decimal.Round(amount) != amount))
{
return(false);
}
CartItem pi = new CartItem {
ProductID = productID, Product = saledProduct.Product, Amount = amount, UnitPrice = saledProduct.Price * saledProduct.Discount / 100
};
cartItems.Add(pi);
return(true);
}
if (cartItem.Product.Unit != "斤" && decimal.Round(amount) != amount)
{
return(false);
}
if (amount <= 0)
{
cartItems.Remove(cartItem);
}
else
{
cartItem.Amount = amount;
}
return(true);
}
/// <summary>用户写产品评论的处理
/// </summary>
/// <param name="id">要编写评论的产品ID</param>
/// <returns>编写评论的结果View</returns>
public ActionResult PostComment(int id)
{
string content = Request["cnt"];
int level = 5;
SolemartUser user = Session["user"] as SolemartUser;
//if (user == null || user == MyUser.Anonymous) {
// Response.Write("/login.aspx?ReturnUrl=" + Server.UrlEncode("/p/pd.aspx?pid=") + CurrentProduct.ProductID);
//}
if (Request["level"] == null || !int.TryParse(Request["level"], out level))
{
return(Content("error"));
}
SaledProductItem CurrentProduct = ProductManager.GetSaledProductByID(id);
if (ProductManager.CommentProduct(user.UserID, CurrentProduct.ProductID, (EvaluteGrade)level, content))
{
var comm_json = new { Name = user.UserName, Time = DateTime.Now.ToLongDateString(), Level = level, Content = content, IsSuccess = true };
return(Json(comm_json));
}
else
{
return(Json(new { IsSuccess = false, Message = "error" }));
}
}
/// <summary>显示产品详细内容的页面
/// </summary>
/// <param name="id">要显示的产品的ID</param>
/// <returns>产品详细页面</returns>
public ActionResult Detail(int id)
{
Cart cart = (User as SolemartUser).Cart;
CartItem item = cart.CartItems.FirstOrDefault(c => c.ProductID == id);
if (item != null)
{
ViewBag.CartItem = item.Amount;
}
else
{
ViewBag.CartItem = 0;
}
string cacheKey = string.Format("product_{0}", id);
ProductDetailViewModel model = null;
if (CacheUtil.Exist(cacheKey))
{
model = CacheUtil.Get <ProductDetailViewModel>(cacheKey);
}
else
{
SaledProductItem saleInfo = ProductManager.GetSaledProductByID(id);
ProductItem product = ProductManager.GetProductWithBrandByID(id);
List <ProductImageItem> images = ProductManager.GetProductNoLogoImage(id);
int commentCount = ProductManager.GetProductCommentCount(id);
string remainAmountString = string.Empty;
if (product.Unit == "斤")
{
remainAmountString = string.Format("{0}", product.StockCount - product.ReserveCount);
}
else
{
remainAmountString = string.Format("{0:d}", (int)(product.StockCount - product.ReserveCount));
}
model = new ProductDetailViewModel
{
ProductID = id,
ProductName = product.ProductName,
ProductDescription = product.Description,
Price = saleInfo.Price,
Unit = product.Unit,
Discount = saleInfo.Discount,
SpecialFlag = saleInfo.SpecialFlag,
RemainAmount = remainAmountString,
BrandDescription = product.Brand.Description,
BrandLogo = product.Brand.BrandLogo,
BrandUrl = product.Brand.BrandUrl,
BrandName = product.Brand.ZhName,
CommentCount = commentCount,
Images = images
};
CacheUtil.Add <ProductDetailViewModel>(cacheKey, model, 600);
}
return(View(model));
}
/// <summary>
/// Put on the product for saling.
/// </summary>
/// <param name="newSaledProductItem">The product put to saling.</param>
/// <returns>return true if success, or return false</returns>
public static bool PutToSaling(SaledProductItem newSaledProductItem)
{
using (SolemartDBContext context = new SolemartDBContext())
{
SaledProductItem oldSaledProductItem = context.SaledProductItems.FirstOrDefault(spi => (spi.ProductID == newSaledProductItem.ProductID));
if (oldSaledProductItem != null)
{
oldSaledProductItem.Price = newSaledProductItem.Price;
oldSaledProductItem.Discount = newSaledProductItem.Discount;
oldSaledProductItem.SpecialFlag = newSaledProductItem.SpecialFlag;
}
else
{
context.SaledProductItems.Add(newSaledProductItem);
}
if (context.SaveChanges() > 0)
{
if (allSaledProducts != null)
{
allSaledProducts.Clear();
}
return(true);
}
return(false);
}
}
/// <summary>
/// Put the product for saling
/// </summary>
/// <param name="id">The product id</param>
/// <returns>商品上架的结果</returns>
public ActionResult PutToSaling(SaledProductItem saledProduct)
{
if (ProductManager.PutToSaling(saledProduct))
{
return(Content(WebResult <string> .SuccessResult.ResponseString));
}
return(Content(WebResult <string> .NormalErrorResult.ResponseString));
}
public ActionResult AddToFovarite(int productID)
{
SolemartUser user = User as SolemartUser;
SaledProductItem CurrentProduct = ProductManager.GetSaledProductByID(productID);
if (user != null && !user.IsAnonymous && CurrentProduct != null)
{
if (UserManager.AddNewFavorite(user.UserID, CurrentProduct.ProductID))
{
return(Content("ok"));
}
}
return(Content("error"));
}
/// <summary>
/// Add a product to shopping cart
/// </summary>
/// <param name="productID">The product want to add to shopping cart</param>
/// <param name="count">该商品的数量</param>
public void AddToCart(int productID, int count)
{
CartItem cartItem = cartItems.Find(p => p.ProductID == productID);
if (cartItem != null)
{
cartItem.Amount += count;
}
else
{
SaledProductItem saledProduct = ProductManager.GetSaledProductByID(productID);
if (saledProduct == null)
{
throw new ArgumentException(string.Format("该ID={0}的商品不存在", saledProduct.ProductID));
}
CartItem pi = new CartItem {
ProductID = productID, Product = saledProduct.Product, Amount = count, UnitPrice = saledProduct.Price * saledProduct.Discount / 100
};
cartItems.Add(pi);
}
}
/// <summary>
/// Drawback the recommend product.
/// </summary>
/// <param name="productID">The product id</param>
/// <returns></returns>
public static bool DrawbackTop(int productID)
{
using (SolemartDBContext context = new SolemartDBContext())
{
SaledProductItem saledProductItem = context.SaledProductItems.Find(productID);
if (saledProductItem != null)
{
saledProductItem.SetTop = false;
if (context.SaveChanges() > 0)
{
if (allSaledProducts != null)
{
allSaledProducts.Clear();
}
return(true);
}
}
return(false);
}
}
/// <summary>
/// Take off the product for saling
/// </summary>
/// <param name="productID">要下架的商品的ID</param>
/// <returns>是否下架成功</returns>
public static bool TakeOffSaling(int productID)
{
using (SolemartDBContext context = new SolemartDBContext())
{
SaledProductItem saledProductItem = context.SaledProductItems.Find(productID);
if (saledProductItem != null)
{
context.SaledProductItems.Remove(saledProductItem);
if (context.SaveChanges() > 0)
{
if (allSaledProducts != null)
{
allSaledProducts.Clear();
}
return(true);
}
}
return(false);
}
}
/// <summary>
/// The user comment the product
/// </summary>
/// <param name="id">要评论的商品的ID</param>
/// <returns>评论结果</returns>
public ActionResult MakeComment(int id)
{
SaledProductItem CurrentProduct = ProductManager.GetSaledProductByID(id);
string content = Request["cnt"];
int level = 5;
if (Request["level"] == null || !int.TryParse(Request["level"], out level) || CurrentProduct == null)
{
return(Content("error"));
}
SolemartUser user = User as SolemartUser;
if (ProductManager.CommentProduct(user.UserID, CurrentProduct.ProductID, (EvaluteGrade)level, content))
{
var comm_json = new { Name = user.UserName, Time = DateTime.Now.ToLongDateString(), Level = level, Content = content };
return(Json(comm_json));
}
else
{
return(Content("error"));
}
}
