/// <summary>
/// 修改请购买数量
/// </summary>
/// <param name="product"></param>
/// <param name="quantity"></param>
/// <returns>0：成功 -1：购物车中不包括此产品 -2：已超可请购数量 -3：小于最小单次请购数量 -4：大于最大单次请购数量</returns>
public int ModifyQuantity(int product, int quantity)
{
ORD_OrderCart cartitem = Items.FirstOrDefault(m => m.Product == product);
if (cartitem == null)
{
return(-1);
}
cartitem.AvailableQuantity = cartitem.AvailableQuantity;
cartitem.SubmitQuantity = ORD_OrderApplyBLL.GetSubmitQuantity(_publish, product);
if (cartitem.AvailableQuantity > 0 && quantity > cartitem.AvailableQuantity - cartitem.SubmitQuantity)
{
return(-2);
}
if (cartitem.MinQuantity > 0 && cartitem.MinQuantity > quantity || quantity < 0)
{
return(-3);
}
if (cartitem.MaxQuantity > 0 && cartitem.MaxQuantity < quantity)
{
return(-4);
}
cartitem.BookQuantity = quantity;
return(0);
}
/// <summary>
/// 向购物车中新增产品
/// </summary>
/// <param name="product"></param>
/// <param name="price"></param>
/// <returns>0：成功 -1：发布目录中不包括此产品 -2：已超可请购数量 -3：该产品已在购物车中 -4：该产品不在指定客户的价表中</returns>
public int AddProduct(int product, decimal price)
{
if (Items.FirstOrDefault(m => m.Product == product) != null)
{
return(-3);
}
ORD_ApplyPublishDetail _m = new ORD_ApplyPublishBLL(_publish).Items.FirstOrDefault(m => m.Product == product);
if (_m != null)
{
ORD_OrderCart cartitem = new ORD_OrderCart();
cartitem.Product = _m.Product;
cartitem.MinQuantity = _m.MinQuantity;
cartitem.MaxQuantity = _m.MaxQuantity;
cartitem.Price = price;
cartitem.AvailableQuantity = _m.AvailableQuantity;
cartitem.SubmitQuantity = ORD_OrderApplyBLL.GetSubmitQuantity(_publish, product);
cartitem.BookQuantity = cartitem.MinQuantity > 0 ? cartitem.MinQuantity : new PDT_ProductBLL(product).Model.ConvertFactor;
if (cartitem.AvailableQuantity > 0 && cartitem.BookQuantity > cartitem.AvailableQuantity - cartitem.SubmitQuantity)
{
return(-2);
}
_items.Add(cartitem);
return(0);
}
return(-1);
}
/// <summary>
/// 根据请购买申请单重新初始化购物车
/// </summary>
/// <param name="ApplyID"></param>
/// <returns></returns>
public static ORD_OrderCartBLL InitByOrderApply(int ApplyID)
{
ORD_OrderApplyBLL apply = new ORD_OrderApplyBLL(ApplyID);
if (apply.Model == null)
{
return(null);
}
ORD_ApplyPublishBLL publish = new ORD_ApplyPublishBLL(apply.Model.PublishID);
if (publish.Model == null)
{
return(null);
}
int addressid = 0;
int.TryParse(apply.Model["AddressID"], out addressid);
ORD_OrderCartBLL cart = new ORD_OrderCartBLL(apply.Model.PublishID, apply.Model.OrganizeCity, apply.Model.Client, apply.Model.AccountMonth, addressid);
foreach (ORD_OrderApplyDetail item in apply.Items)
{
ORD_ApplyPublishDetail _m = publish.Items.FirstOrDefault(m => m.Product == item.Product);
if (_m == null)
{
continue;
}
ORD_OrderCart cartitem = new ORD_OrderCart();
cartitem.ID = _m.ID;
cartitem.Product = _m.Product;
cartitem.MinQuantity = _m.MinQuantity;
cartitem.MaxQuantity = _m.MaxQuantity;
cartitem.Price = item.Price;
cartitem.AvailableQuantity = _m.AvailableQuantity;
cartitem.SubmitQuantity = ORD_OrderApplyBLL.GetSubmitQuantity(cart.Publish, cartitem.Product);
cartitem.BookQuantity = item.BookQuantity;
cart.Items.Add(cartitem);
}
return(cart);
}