增加购物统计功能

src/main/java/com/rj/controller/LbBuyerShoppingController.java

@@ -1,5 +1,6 @@
 package com.rj.controller;
 
+import com.rj.dto.LbBuyerShoppingGenerateStatRequest;
 import com.rj.dto.LbBuyerShoppingPullRequest;
 import com.rj.entity.LbBuyerShopping;
 import com.rj.service.ILbBuyerShoppingService;
@@ -63,6 +64,20 @@ public class LbBuyerShoppingController {
         return toResponse(result);
     }
 
+    @PostMapping("/generate-stat")
+    @Operation(
+            summary = "按买家生成天统计或总和统计",
+            description =
+                    "根据 buyerId 汇总 detail_data 明细：day_stat 按购买日期每天生成一条统计"
+                            + "（stat_total_money、total_order_count、avg_amount）；"
+                            + "sum_data 生成该买家全部订单的一条总和统计")
+    public ResponseEntity<Map<String, Object>> generateStat(
+            @Parameter(description = "买家 ID 与统计类型（day_stat / sum_data）", required = true)
+            @RequestBody LbBuyerShoppingGenerateStatRequest request) {
+        Map<String, Object> result = lbBuyerShoppingService.generateBuyerStat(request);
+        return toResponse(result);
+    }
+
     @GetMapping("/list")
     @Operation(summary = "分页查询")
     public ResponseEntity<Map<String, Object>> list(
@@ -76,6 +91,8 @@ public class LbBuyerShoppingController {
             @RequestParam(required = false) String sellerMobile,
             @RequestParam(required = false) String buyerNickname,
             @RequestParam(required = false) String buyerMobile,
+            @Parameter(description = "数据类型：detail_data=详细数据，day_stat=天统计，sum_data=总和统计")
+            @RequestParam(required = false) String dataType,
             @RequestParam(required = false) BigDecimal totalMoneyMin,
             @RequestParam(required = false) BigDecimal totalMoneyMax,
             @Parameter(description = "创建时间起，格式 yyyy-MM-dd HH:mm:ss")
@@ -92,7 +109,7 @@ public class LbBuyerShoppingController {
             @RequestParam(required = false) String confirmTimeEnd) {
         Map<String, Object> result = lbBuyerShoppingService.pageQuery(
                 current, size, sellerId, merchandiseId, buyerId, orderSn,
-                sellerNickname, sellerMobile, buyerNickname, buyerMobile,
+                sellerNickname, sellerMobile, buyerNickname, buyerMobile, dataType,
                 totalMoneyMin, totalMoneyMax,
                 createdAtStart, createdAtEnd, buyTimeStart, buyTimeEnd,
                 confirmTimeStart, confirmTimeEnd);