feat(backend): 管理端发券记录查询grant-log接口

cfc-backend/src/main/java/com/etotem/cfc/controller/admin/AdminCouponController.java

@@ -1,7 +1,10 @@
 package com.etotem.cfc.controller.admin;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.etotem.cfc.common.Result;
 import com.etotem.cfc.entity.Coupon;
+import com.etotem.cfc.entity.CouponGrantLog;
+import com.etotem.cfc.mapper.CouponGrantLogMapper;
 import com.etotem.cfc.mapper.CouponMapper;
 import com.etotem.cfc.service.CouponService;
 import org.springframework.web.bind.annotation.*;
@@ -21,6 +24,9 @@ public class AdminCouponController {
     @Resource
     private CouponMapper couponMapper;
 
+    @Resource
+    private CouponGrantLogMapper couponGrantLogMapper;
+
     @PostMapping("/list")
     public Result<List<Coupon>> list(@RequestAttribute("role") String role) {
         if (!"admin".equals(role)) {
@@ -81,4 +87,23 @@ public class AdminCouponController {
         couponMapper.deleteById(id);
         return Result.success("删除成功");
     }
+
+    @PostMapping("/grant-log")
+    public Result<List<CouponGrantLog>> grantLog(@RequestBody Map<String, Object> params,
+                                                 @RequestAttribute("role") String role) {
+        if (!"admin".equals(role)) {
+            return Result.error("无权限");
+        }
+        Long userId = params.get("userId") != null ? Long.valueOf(params.get("userId").toString()) : null;
+        Long couponId = params.get("couponId") != null ? Long.valueOf(params.get("couponId").toString()) : null;
+        LambdaQueryWrapper<CouponGrantLog> wrapper = new LambdaQueryWrapper<>();
+        if (userId != null) {
+            wrapper.eq(CouponGrantLog::getUserId, userId);
+        }
+        if (couponId != null) {
+            wrapper.eq(CouponGrantLog::getCouponId, couponId);
+        }
+        wrapper.orderByDesc(CouponGrantLog::getCreatedAt);
+        return Result.success(couponGrantLogMapper.selectList(wrapper));
+    }
 }