feat: 手续费计算

RoBot.Core/Utils.cs

@@ -37,6 +37,30 @@
             return value * multiplier;
         }
 
+        /// <summary>
+        /// 计算手续费
+        /// </summary>
+        /// <param name="amount"></param>
+        /// <returns></returns>
+        public static decimal CalculateFee(decimal amount)
+        {
+            decimal rate = 0;
+
+            if (amount < 500_0000)           // 0 ~ 499w
+                rate = 0.05m;                // 5%
+            else if (amount < 1000_0000)     // 500 ~ 999w
+                rate = 0.10m;                // 10%
+            else if (amount < 1500_0000)     // 1000 ~ 1499w
+                rate = 0.15m;                // 15%
+            else if (amount < 2000_0000)     // 1500 ~ 1999w
+                rate = 0.20m;                // 20%
+            else                             // 2000w以上
+                rate = 0.30m;                // 30%
+
+            return amount * rate;
+        }
+
+
 
     }
 }

XiaoXiaoRoBot/Cmd/QueryGoodsUpShopPriceCmd.cs

@@ -84,22 +84,29 @@ namespace RoBot.Start.Cmd
 
             string msg = "";
             decimal totalPrice = 0;
+            decimal fee = 0;
             // 打印结果
             foreach (var item in results)
             {
                 var current = RedisHelper.Client.HGet<GoodsInfo>(RedisPrefix.GoodsKey, item.Name);
                 if (current is not null)
                 {
+                    int num = item.Num.Value > 10 ? 10 : item.Num.Value;
                     decimal nicePrice = current.Price - 100000;
-                    totalPrice += Convert.ToDecimal(nicePrice * item.Num);
-                    msg += $"确认坊市上架{item.Name} {(int)current.Price - 100000} {item.Num}\n";
+                    totalPrice += Convert.ToDecimal(nicePrice * num);
+
+                    fee += Math.Round(Utils.CalculateFee(nicePrice) * num, 0);
+
+                    msg += $"确认坊市上架{item.Name} {(int)current.Price - 100000} {num}\n";
                 }
             }
             if (string.IsNullOrWhiteSpace(msg) is false)
             {
                 msg += "\r\n";
                 msg += "使用前请先@小小查看坊市药材,过完一遍以获取最新价格\r\n当前价格为坊市价格-10w\r\n";
-                msg += $"总价值约：{Utils.FormatNumberToChineseUnit(totalPrice)}";
+                msg += $"总价值约：{Utils.FormatNumberToChineseUnit(totalPrice)}\r\n";
+                msg += $"手续费约：{Utils.FormatNumberToChineseUnit(fee)}\r\n";
+                msg += $"到账约：{Utils.FormatNumberToChineseUnit(totalPrice - fee)}";
                 var systemConfig = GlobalConfig.ConfigSetting;
                 var bot = GlobalConfig.BotContext;
                 await bot.SendMsg((uint)systemConfig.GroupQQ, msg);