33

server/HoneyBox/src/HoneyBox.Core/Services/LotteryEngine.cs

@@ -394,6 +394,9 @@ public class LotteryEngine : ILotteryEngine
 
             // 7. 处理领主赏逻辑（type=8）
             await ProcessLingZhuLogicAsync(request.UserId, request.GoodsId, selectedPrize.ShangId, selectedPrize.IsLingzhu, orderItem.Id);
+
+            // 8. 处理翻倍赏逻辑（doubling > 1 时赠送积分）
+            await ProcessDoublingRewardAsync(request.UserId, selectedPrize.Doubling, selectedPrize.Price, selectedPrize.Title);
         }
         catch (Exception ex)
         {
@@ -544,6 +547,67 @@ public class LotteryEngine : ILotteryEngine
         }
     }
 
+    /// <summary>
+    /// 处理翻倍赏逻辑 - 当奖品doubling > 1时，赠送用户额外积分
+    /// </summary>
+    /// <param name="userId">用户ID</param>
+    /// <param name="doubling">翻倍倍数</param>
+    /// <param name="prizePrice">奖品价格</param>
+    /// <param name="prizeTitle">奖品标题</param>
+    private async Task ProcessDoublingRewardAsync(int userId, int doubling, decimal prizePrice, string prizeTitle)
+    {
+        try
+        {
+            // 只有翻倍倍数大于1才赠送
+            if (doubling <= 1)
+            {
+                return;
+            }
+
+            // 计算赠送积分：奖品价格 * (倍数-1) * 100
+            var bei = doubling - 1;
+            var rewardIntegral = prizePrice * bei * 100;
+
+            if (rewardIntegral <= 0)
+            {
+                return;
+            }
+
+            // 更新用户积分
+            var user = await _dbContext.Users.FindAsync(userId);
+            if (user == null)
+            {
+                return;
+            }
+
+            user.Integral += rewardIntegral;
+
+            // 记录积分流水
+            var profitIntegral = new ProfitIntegral
+            {
+                UserId = userId,
+                Type = 6, // 翻倍赏赠送
+                ChangeMoney = rewardIntegral,
+                Money = user.Integral,
+                Content = $"抽中翻倍赏-{prizeTitle}赠送",
+                ShareUid = 0,
+                CreatedAt = DateTime.Now
+            };
+            _dbContext.ProfitIntegrals.Add(profitIntegral);
+
+            await _dbContext.SaveChangesAsync();
+
+            _logger.LogInformation("Doubling reward granted: UserId={UserId}, Doubling={Doubling}, Reward={Reward}, Prize={Prize}",
+                userId, doubling, rewardIntegral, prizeTitle);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to process doubling reward: UserId={UserId}, Doubling={Doubling}",
+                userId, doubling);
+            // 翻倍赏逻辑失败不影响抽奖结果
+        }
+    }
+
     /// <inheritdoc />
     /// <remarks>
     /// 多次无限赏抽奖流程：