feat(task): 添加优惠券过期提醒定时任务

- 实现优惠券过期提醒功能，每天20点执行
- 实现优惠券临期提醒功能，每天8点执行
- 集成微信订阅消息通知服务
- 查询指定时间范围内已领取的优惠券记录
- 构建优惠券信息变量并触发通知
- 添加异常处理和日志记录机制

src/main/java/com/ycwl/basic/task/CouponExpireNotificationTask.java

@@ -0,0 +1,110 @@
+package com.ycwl.basic.task;
+
+import cn.hutool.core.date.DateUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.ycwl.basic.mapper.MemberMapper;
+import com.ycwl.basic.model.pc.member.resp.MemberRespVO;
+import com.ycwl.basic.model.pc.notify.req.WechatSubscribeNotifyTriggerRequest;
+import com.ycwl.basic.pricing.entity.PriceCouponClaimRecord;
+import com.ycwl.basic.pricing.entity.PriceCouponConfig;
+import com.ycwl.basic.pricing.enums.CouponStatus;
+import com.ycwl.basic.pricing.mapper.PriceCouponClaimRecordMapper;
+import com.ycwl.basic.pricing.mapper.PriceCouponConfigMapper;
+import com.ycwl.basic.service.notify.WechatSubscribeNotifyTriggerService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Profile;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+
+@Component
+@EnableScheduling
+@Slf4j
+@Profile("prod")
+public class CouponExpireNotificationTask {
+
+    @Autowired
+    private PriceCouponClaimRecordMapper couponClaimRecordMapper;
+
+    @Autowired
+    private MemberMapper memberMapper;
+
+    @Autowired
+    private WechatSubscribeNotifyTriggerService notifyTriggerService;
+    @Autowired
+    private PriceCouponConfigMapper priceCouponConfigMapper;
+
+    @Scheduled(cron = "0 0 20 * * *")
+    public void sendCouponExpireNotification() {
+        log.info("开始执行优惠券过期提醒定时任务");
+        processNotification("COUPON_EXPIRE", -2);
+        log.info("优惠券过期提醒定时任务执行结束");
+    }
+
+    @Scheduled(cron = "0 0 8 * * *")
+    public void sendCouponPreExpireNotification() {
+        log.info("开始执行优惠券临期提醒定时任务");
+        processNotification("COUPON_PRE_EXPIRE", -2);
+        log.info("优惠券临期提醒定时任务执行结束");
+    }
+
+    private void processNotification(String notifyType, int offsetDays) {
+        // 获取指定偏移天数（例如-2 days）的开始和结束时间
+        Date date = DateUtil.offsetDay(new Date(), offsetDays);
+        Date beginTime = DateUtil.beginOfDay(date);
+        Date endTime = DateUtil.endOfDay(date);
+
+        log.info("查询时间范围: {} - {}", beginTime, endTime);
+
+        // 查询该时间段内创建的优惠券记录
+        LambdaQueryWrapper<PriceCouponClaimRecord> queryWrapper = Wrappers.lambdaQuery();
+        queryWrapper.between(PriceCouponClaimRecord::getCreateTime, beginTime, endTime);
+        queryWrapper.eq(PriceCouponClaimRecord::getStatus, CouponStatus.CLAIMED);
+
+        List<PriceCouponClaimRecord> couponRecords = couponClaimRecordMapper.selectList(queryWrapper);
+
+        if (couponRecords == null || couponRecords.isEmpty()) {
+            log.info("未找到符合条件的优惠券记录");
+            return;
+        }
+
+        log.info("找到 {} 条优惠券记录", couponRecords.size());
+
+        for (PriceCouponClaimRecord record : couponRecords) {
+            try {
+                MemberRespVO member = memberMapper.getById(record.getUserId());
+                if (member == null || member.getOpenId() == null) {
+                    continue;
+                }
+                PriceCouponConfig coupon = priceCouponConfigMapper.selectValidCouponById(record.getCouponId());
+
+                HashMap<String, Object> variables = new HashMap<>();
+                variables.put("couponName", coupon.getCouponName());
+                variables.put("couponValue", coupon.getDiscountValue());
+                variables.put("couponType", coupon.getCouponType().getDescription());
+                // 优惠券有效期到第二天的结束，从领取开始的时候算
+                variables.put("couponStartTime", DateUtil.format(record.getCreateTime(), "yyyy-MM-dd HH:mm"));
+                variables.put("couponExpireTime", DateUtil.format(DateUtil.endOfDay(DateUtil.offsetDay(record.getCreateTime(), 2)), "yyyy-MM-dd HH:mm"));
+
+                WechatSubscribeNotifyTriggerRequest request = WechatSubscribeNotifyTriggerRequest.builder()
+                        .memberId(record.getUserId())
+                        .openId(member.getOpenId())
+                        .bizId(String.valueOf(record.getId()))
+                        .variables(variables)
+                        .build();
+
+                // 触发消息
+                notifyTriggerService.trigger(notifyType, request);
+
+            } catch (Exception e) {
+                log.error("发送通知失败, type: {}, recordId: {}", notifyType, record.getId(), e);
+            }
+        }
+    }
+}