feat(coupon): 添加优惠券ID字段以支持查询

- 在 LifeDiscountCouponFriendRuleVo 中新增 couponId 字段
- 在 LifeDiscountCouponStoreFriendMapper 的两个查询中添加 couponId 字段映射
- 使优惠券信息能够包含其唯一标识符，便于前端展示和操作
- 更新了 SQL 查询语句以获取并返回优惠券 ID 数据

alien-entity/src/main/java/shop/alien/entity/store/vo/LifeDiscountCouponFriendRuleVo.java

@@ -39,6 +39,9 @@ public class LifeDiscountCouponFriendRuleVo extends LifeDiscountCouponFriendRule
     @ApiModelProperty(value = "优惠券数量")
     private Integer couponNum;
 
+    @ApiModelProperty(value = "优惠券id")
+    private Integer couponId;
+
     @ApiModelProperty(value = "面值")
     private BigDecimal nominalValue;
 

alien-entity/src/main/java/shop/alien/mapper/LifeDiscountCouponStoreFriendMapper.java

@@ -38,6 +38,7 @@ public interface LifeDiscountCouponStoreFriendMapper extends BaseMapper<LifeDisc
     @Select("select ldcsf.created_time endDate,ldc.nominal_value nominalValue,ldc.minimum_spending_amount minimumSpendingAmount,img.img_url imgUrl,\n" +
             "si.store_name storeName,\n" +
             "ldc.name couponName,\n" +
+            "ldc.id couponId,\n" +
             "ldcsf.single_qty couponNum\n" +
             "from  life_discount_coupon_store_friend ldcsf\n" +
             "left join life_discount_coupon ldc\n" +
@@ -53,6 +54,7 @@ public interface LifeDiscountCouponStoreFriendMapper extends BaseMapper<LifeDisc
     @Select("select ldcsf.created_time endDate,ldc.nominal_value nominalValue,ldc.minimum_spending_amount minimumSpendingAmount,img.img_url imgUrl,\n" +
             "si.store_name storeName,\n" +
             "ldc.name couponName,\n" +
+            "ldc.id couponId,\n" +
             "ldcsf.single_qty couponNum\n" +
             "from  life_discount_coupon_store_friend ldcsf\n" +
             "left join life_discount_coupon ldc\n" +