21

server/HoneyBox/src/HoneyBox.Admin.Business/Services/GoodsService.cs

@@ -45,6 +45,10 @@ public class GoodsService : IGoodsService
 
     #region 商品管理
 
+    // 使用模板奖品的类型（无限赏类型）：库存直接使用 goods 表的 stock/sale_stock
+    // 其他类型（箱号类型）：库存需要从 goods_items 表汇总计算
+    private static readonly int[] TemplateTypes = { 2, 8, 9, 15, 16, 17 };
+
     /// <inheritdoc />
     public async Task<PagedResult<GoodsListResponse>> GetGoodsListAsync(GoodsListRequest request)
     {
@@ -66,8 +70,36 @@ public class GoodsService : IGoodsService
             .Take(request.PageSize)
             .ToListAsync();
 
-        // 映射结果
+        // 获取非无限赏类型商品的ID列表，用于计算实际库存
-        var list = goods.Select(MapToGoodsListResponse).ToList();
+        var nonTemplateGoodsIds = goods
+            .Where(g => !TemplateTypes.Contains(g.Type))
+            .Select(g => g.Id)
+            .ToList();
+
+        // 批量查询非无限赏商品的奖品库存汇总
+        var stockSummary = new Dictionary<int, (int TotalStock, int SurplusStock)>();
+        if (nonTemplateGoodsIds.Any())
+        {
+            var summary = await _dbContext.GoodsItems
+                .AsNoTracking()
+                .Where(gi => nonTemplateGoodsIds.Contains(gi.GoodsId) && gi.GoodsListId == 0) // 只统计父奖品
+                .GroupBy(gi => gi.GoodsId)
+                .Select(g => new
+                {
+                    GoodsId = g.Key,
+                    TotalStock = g.Sum(x => x.Stock),
+                    SurplusStock = g.Sum(x => x.SurplusStock)
+                })
+                .ToListAsync();
+
+            foreach (var s in summary)
+            {
+                stockSummary[s.GoodsId] = (s.TotalStock, s.SurplusStock);
+            }
+        }
+
+        // 映射结果，传入库存汇总数据
+        var list = goods.Select(g => MapToGoodsListResponse(g, stockSummary)).ToList();
 
         return PagedResult<GoodsListResponse>.Create(list, total, request.Page, request.PageSize);
     }
@@ -812,8 +844,35 @@ public class GoodsService : IGoodsService
     /// <summary>
     /// 映射商品到列表响应
     /// </summary>
-    private GoodsListResponse MapToGoodsListResponse(Good goods)
+    /// <param name="goods">商品实体</param>
+    /// <param name="stockSummary">非无限赏商品的库存汇总（可选）</param>
+    private GoodsListResponse MapToGoodsListResponse(Good goods, Dictionary<int, (int TotalStock, int SurplusStock)>? stockSummary = null)
     {
+        int stock, saleStock;
+
+        // 判断是否为无限赏类型（使用模板奖品的类型）
+        if (TemplateTypes.Contains(goods.Type))
+        {
+            // 无限赏类型：直接使用 goods 表的库存字段
+            stock = goods.Stock;
+            saleStock = goods.SaleStock;
+        }
+        else
+        {
+            // 非无限赏类型（箱号类型）：从奖品汇总计算库存
+            if (stockSummary != null && stockSummary.TryGetValue(goods.Id, out var summary))
+            {
+                stock = summary.TotalStock;
+                saleStock = summary.TotalStock - summary.SurplusStock;
+            }
+            else
+            {
+                // 没有奖品数据时，显示0
+                stock = 0;
+                saleStock = 0;
+            }
+        }
+
         return new GoodsListResponse
         {
             Id = goods.Id,
@@ -823,8 +882,8 @@ public class GoodsService : IGoodsService
             Type = goods.Type,
             TypeName = BoxTypeNames.GetValueOrDefault(goods.Type, "未知类型"),
             Status = goods.Status,
-            Stock = goods.Stock,
+            Stock = stock,
-            SaleStock = goods.SaleStock,
+            SaleStock = saleStock,
             Sort = goods.Sort,
             FlwStartTime = goods.FlwStartTime,
             FlwEndTime = goods.FlwEndTime,