public ActionResult Edit(Models.Product postback)
{
if (this.ModelState.IsValid) //判斷使用者輸入資料是否正確
{
using (Models.ShoppingCartsEntities db = new Models.ShoppingCartsEntities())
{
//抓取Product,ID等於回傳postback.Id的資料
var result = (from s in db.Products where s.Id == postback.Id select s).FirstOrDefault();
//儲存使用者變更資料
result.Name = postback.Name; result.Price = postback.Price;
result.PublishDate = postback.PublishDate; result.Quantity = postback.Quantity;
result.Status = postback.Status; result.CategoryID = postback.CategoryID;
result.DefaultImageId = postback.DefaultImageId; result.Description = postback.Description;
result.DefaultImageURL = postback.DefaultImageURL;
//儲存所有變更
db.SaveChanges();
//設定成功訊息並導回Index頁面
TempData["ResultMessage"] = string.Format("商品{0}成功編輯", postback.Name);
return(RedirectToAction("Index"));
}
}
else //如果資料不正確則導向自己(Edit頁面)
{
return(View(postback));
}
}
[HttpPost] //指定只有POST方法才可進入
public ActionResult Create(Models.Product postback)
{
using (Models.ShoppingCartsEntities db = new Models.ShoppingCartsEntities())
{
//將回傳資料postback加入至Products
db.Products.Add(postback);
//儲存異動資料
db.SaveChanges();
}
return(View());
}
[Authorize] //登入會員才可留言
public ActionResult AddComment(int id, string Content)
{
//取得目前登入使用者Id
var userId = HttpContext.User.Identity.GetUserName();
var currentDateTime = DateTime.Now;
var comment = new Models.ProductComment()
{
ProductId = id,
Content = Content,
UserId = userId,
CreateDate = currentDateTime
};
using (Models.ShoppingCartsEntities db = new Models.ShoppingCartsEntities())
{
db.ProductComments.Add(comment);
db.SaveChanges();
}
return(RedirectToAction("Details", new { id = id }));
}
//刪除商品
public ActionResult Delete(int id)
{
using (Models.ShoppingCartsEntities db = new Models.ShoppingCartsEntities())
{
//抓取Product.Id等於輸入id的資料
var result = (from s in db.Products where s.Id == id select s).FirstOrDefault();
if (result != default(Models.Product)) //判斷此id是否有資料
{
db.Products.Remove(result);
//儲存所有變更
db.SaveChanges();
//設定成功訊息並導回index頁面
TempData["ResultMessage"] = String.Format("商品:{0}成功刪除", result.Name);
return(RedirectToAction("Index"));
}
else
{ //如果沒有資料則顯示錯誤訊息並導回Index頁面
TempData["ResultMessage"] = "指定資料不存在，無法刪除，請重新操作";
return(RedirectToAction("Index"));
}
}
}
public ActionResult Index(Models.OrderModel.Ship postback)
{
if (this.ModelState.IsValid)
{
//暫存訂單編號
int Id = 0;
//取得目前購物車
var currentcart = Models.Cart.Operation.GetCurrentCart();
//取得目前登入使用者Id
var userId = HttpContext.User.Identity.GetUserId();
using (Models.ShoppingCartsEntities db = new Models.ShoppingCartsEntities())
{
//建立Order物件
var order = new Models.Order()
{
UserId = userId,
ReceiverName = postback.ReceiverName,
ReceiverPhone = postback.ReceiverPhone,
ReceiverAddress = postback.ReceiverAddress
};
//加其入Orders資料表後，儲存變更
db.Orders.Add(order);
try
{
db.SaveChanges();
//取得訂單編號
Id = order.Id;
}
catch (DbEntityValidationException deEx)
{
foreach (var validationError in deEx.EntityValidationErrors)
{
foreach (var dbValidationError in validationError.ValidationErrors)
{
throw new Exception(dbValidationError.ErrorMessage);
}
}
}
//db.SaveChanges();
//取得購物車OrderDetail物件
var orderDetails = currentcart.ToOrderDetailList(order.Id);
//將其加入OrderDetails資料表後，儲存變更
db.OrderDetails.AddRange(orderDetails);
try
{
db.SaveChanges();
}
catch (DbEntityValidationException deEx)
{
foreach (var validationError in deEx.EntityValidationErrors)
{
foreach (var dbValidationError in validationError.ValidationErrors)
{
throw new Exception(dbValidationError.ErrorMessage);
}
}
}
//取得購物車選擇商品數量
var productAmount = currentcart.Select(c => new { c.Id, c.Quantity }).ToList();
//將商品庫存檢調購物車數量後，更新至資料庫
foreach (var item in productAmount)
{
var result = (from s in db.Products where s.Id == item.Id select s).FirstOrDefault();
result.Quantity = result.Quantity - item.Quantity;
db.SaveChanges();
}
}
currentcart.ClearCart();
TempData["Success"] = "訂購成功";
return(RedirectToAction("MyOrderDetail", new { id = Id }));
}
return(View());
}
