/// <summary>
/// 判断购物车提交时，阶梯商品是否达最小批量
/// </summary>
/// <param name="cartItemIds"></param>
/// <returns></returns>
public static bool IsExistLadderMinMath(string cartItemIds, ref string msg)
{
msg = "结算的商品必须满足最小批量才能购买！";
var result = true;
var cartItemIdsArr = cartItemIds.Split(',').Where(d => !string.IsNullOrWhiteSpace(d)).Select(t => long.Parse(t));
var cartItems = CartApplication.GetCartItems(cartItemIdsArr);
if (cartItems.Any())
{
var groupCart = cartItems.Where(item => item.ShopBranchId == 0).ToList().Select(c =>
{
var cItem = new Himall.Entities.ShoppingCartItem();
var skuInfo = Service.GetSku(c.SkuId);
if (skuInfo != null)
{
cItem = c;
}
return(cItem);
}).GroupBy(i => i.ProductId);
foreach (var cart in cartItems.ToList())
{
var product = GetProduct(cart.ProductId);
if (product.IsOpenLadder)
{
var quantity =
groupCart.Where(i => i.Key == cart.ProductId)
.ToList()
.Sum(cartitem => cartitem.Sum(i => i.Quantity));
var minMath = GetProductLadderMinMath(cart.ProductId);
if (minMath > 0 && quantity < minMath)
{
result = false;
}
}
else
{
var sku = Service.GetSku(cart.SkuId);
if (cart.Quantity > sku.Stock)
{
msg = string.Format("商品“{0}”库存不足,仅剩{1}件", CutString(product.ProductName, 10, "..."), sku.Stock);
return(false);
}
}
}
}
return(result);
}
/// <summary>
/// 取用户在门店的购物车数量
/// </summary>
/// <param name="userId"></param>
/// <param name="branchIds"></param>
/// <returns></returns>
public static Dictionary <long, int> GetShopBranchCartItemCount(long userId, List <long> branchIds)
{
Dictionary <long, int> result = new Dictionary <long, int>();
if (userId == 0)
{
return(result);
}
Himall.Entities.ShoppingCartInfo memberCartInfo = new Himall.Entities.ShoppingCartInfo();
List <DTO.Product.Product> onSaleProducts = new List <DTO.Product.Product>();
if (userId > 0)
{//如果已登陆取购物车数据
memberCartInfo = CartApplication.GetShopBranchCart(userId);
if (memberCartInfo != null)
{
onSaleProducts = ProductManagerApplication.GetAllStatusProductByIds(memberCartInfo.Items.Select(e => e.ProductId)).ToList();
}
}
Dictionary <long, long> buyedCounts = null;
if (userId > 0)
{
buyedCounts = new Dictionary <long, long>();
buyedCounts = OrderApplication.GetProductBuyCount(userId, memberCartInfo.Items.Select(x => x.ProductId));
}
var shopBranchSkuList = Service.GetSkusByBranchIds(branchIds, skuids: memberCartInfo.Items.Select(s => s.SkuId).ToList());
foreach (var id in branchIds)
{
//var cartQuantity = memberCartInfo.Items.Where(c => c.ShopBranchId.HasValue && c.ShopBranchId.Value == query.shopBranchId).Sum(c => c.Quantity);
//过滤购物车 无效商品
var cartQuantity = memberCartInfo.Items.Where(c => c.ShopBranchId == id).Select(item =>
{
var product = onSaleProducts.FirstOrDefault(p => p.Id == item.ProductId);
var shopbranchsku = shopBranchSkuList.FirstOrDefault(x => x.ShopBranchId == id && x.SkuId == item.SkuId);
long stock = shopbranchsku == null ? 0 : shopbranchsku.Stock;
if (stock > product.MaxBuyCount && product.MaxBuyCount != 0)
{
stock = product.MaxBuyCount;
}
if (product.MaxBuyCount > 0 && buyedCounts != null && buyedCounts.ContainsKey(item.ProductId))
{
long buynum = buyedCounts[item.ProductId];
stock = stock - buynum;
}
var status = product.IsOpenLadder ? 1 : (shopbranchsku == null ? 1 : (shopbranchsku.Status == ShopBranchSkuStatus.Normal) ? (item.Quantity > stock ? 2 : 0) : 1);//0:正常；1：冻结；2：库存不足
if (status == 0)
{
return(item.Quantity);
}
else
{
return(0);
}
}).Sum(count => count);
if (cartQuantity > 0)
{
result.Add(id, cartQuantity);
}
}
return(result);
}