添加获取购物车中商品可用优惠券接口

mall-admin/src/main/java/com/macro/mall/controller/SmsCouponController.java

@@ -66,4 +66,12 @@ public class SmsCouponController {
         List<SmsCoupon> couponList = couponService.list(name,type,pageSize,pageNum);
         return new CommonResult().pageSuccess(couponList);
     }
+
+    @ApiOperation("获取单个优惠券的详细信息")
+    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
+    @ResponseBody
+    public Object getItem(@PathVariable Long id) {
+        SmsCouponParam couponParam = couponService.getItem(id);
+        return new CommonResult().success(couponParam);
+    }
 }

mall-admin/src/main/java/com/macro/mall/dao/SmsCouponDao.java

@@ -0,0 +1,12 @@
+package com.macro.mall.dao;
+
+import com.macro.mall.dto.SmsCouponParam;
+import org.apache.ibatis.annotations.Param;
+
+/**
+ * 优惠券管理自定义查询Dao
+ * Created by macro on 2018/8/29.
+ */
+public interface SmsCouponDao {
+    SmsCouponParam getItem(@Param("id") Long id);
+}

mall-admin/src/main/java/com/macro/mall/service/SmsCouponService.java

@@ -33,4 +33,10 @@ public interface SmsCouponService {
      * 分页获取优惠券列表
      */
     List<SmsCoupon> list(String name, Integer type, Integer pageSize, Integer pageNum);
+
+    /**
+     * 获取优惠券详情
+     * @param id 优惠券表id
+     */
+    SmsCouponParam getItem(Long id);
 }

mall-admin/src/main/java/com/macro/mall/service/impl/SmsCouponServiceImpl.java

@@ -1,6 +1,7 @@
 package com.macro.mall.service.impl;
 
 import com.github.pagehelper.PageHelper;
+import com.macro.mall.dao.SmsCouponDao;
 import com.macro.mall.dao.SmsCouponProductCategoryRelationDao;
 import com.macro.mall.dao.SmsCouponProductRelationDao;
 import com.macro.mall.dto.SmsCouponParam;
@@ -31,6 +32,8 @@ public class SmsCouponServiceImpl implements SmsCouponService {
     private SmsCouponProductRelationDao productRelationDao;
     @Autowired
     private SmsCouponProductCategoryRelationDao productCategoryRelationDao;
+    @Autowired
+    private SmsCouponDao couponDao;
     @Override
     public int add(SmsCouponParam couponParam) {
         //插入优惠券表
@@ -112,4 +115,9 @@ public class SmsCouponServiceImpl implements SmsCouponService {
         PageHelper.startPage(pageNum,pageSize);
         return couponMapper.selectByExample(example);
     }
+
+    @Override
+    public SmsCouponParam getItem(Long id) {
+        return couponDao.getItem(id);
+    }
 }

mall-admin/src/main/resources/dao/SmsCouponDao.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.macro.mall.dao.SmsCouponDao">
+    <resultMap id="couponItemParam" type="com.macro.mall.dto.SmsCouponParam" extends="com.macro.mall.mapper.SmsCouponMapper.BaseResultMap">
+        <collection property="productRelationList" columnPrefix="cpr_" resultMap="com.macro.mall.mapper.SmsCouponProductRelationMapper.BaseResultMap">
+        </collection>
+        <collection property="productCategoryRelationList" columnPrefix="cpcr_" resultMap="com.macro.mall.mapper.SmsCouponProductCategoryRelationMapper.BaseResultMap">
+        </collection>
+    </resultMap>
+    <select id="getItem" resultMap="couponItemParam">
+        SELECT
+            c.*,
+            cpr.id                   cpr_id,
+            cpr.product_id           cpr_product_id,
+            cpcr.id                  cpcr_id,
+            cpcr.product_category_id cpcr_product_category_id
+        FROM
+            sms_coupon c
+            LEFT JOIN sms_coupon_product_relation cpr ON c.id = cpr.coupon_id
+            LEFT JOIN sms_coupon_product_category_relation cpcr ON c.id = cpcr.coupon_id
+        WHERE
+            c.id = #{id}
+    </select>
+</mapper>