begin new project

src/main/java/com/peanut/modules/common/service/CouponService.java

@@ -0,0 +1,34 @@
+package com.peanut.modules.common.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.peanut.common.utils.R;
+import com.peanut.modules.common.entity.BuyOrder;
+import com.peanut.modules.common.entity.CouponEntity;
+import com.peanut.modules.common.entity.CouponHistory;
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+
+
+public interface CouponService extends IService<CouponEntity> {
+
+    CouponEntity getByIdSetRange(int id);
+
+    CouponEntity setRangeList(CouponEntity couponEntity);
+
+    R insertCouponHistory(int couponId, int userId,int getType,int status,String remark);
+
+    List<CouponHistory> getCouponListPayment(Map<String,Object> params);
+
+    //使用优惠卷
+    void useCouponAmount(CouponHistory couponHistory);
+
+    //回滚优惠卷
+    void rollbackCoupon(int couponHistoryId);
+
+    //通过商品发放优惠卷
+    void insertCouponHistoryByProductId(BuyOrder order);
+
+}