实战SSM_O2O商铺_18【商铺编辑】Service层开发

/**
   * 
   * 
   * @Title: getShopById
   * 
   * @Description: 根据shopId查询商铺
   * 
   * @param shopId
   * @return
   * 
   * @return: Shop
   */
  Shop getShopById(long shopId);
  /**
   * 
   * 
   * @Title: modifyShop
   * 
   * @Description: 编辑商铺信息
   * 
   * @param shop
   * @param shopFileInputStream
   * @param fileName
   * @return
   * 
   * @return: ShopExecution
   */
  ShopExecution modifyShop(Shop shop, InputStream shopFileInputStream, String fileName) throws ShopOperationException;

@Override
  public Shop getShopById(long shopId) {
    return shopDao.selectShopById(shopId);
  }
  @Override
  @Transactional
  public ShopExecution modifyShop(Shop shop, InputStream shopFileInputStream, String fileName) throws ShopOperationException {
    if (shop == null || shop.getShopId() == null) {
      return new ShopExecution(ShopStateEnum.NULL_SHOP_INFO);
    }else{
      try {
        // 1. 判断是否需要处理图片
        if (shopFileInputStream != null && fileName != null && !"".equals(fileName)) {
          // 1.1 删除掉旧的图片
          // 查询入参shop对应数据库表中的shopImg路径
          Shop tempShop = shopDao.selectShopById(shop.getShopId());
          if (tempShop != null) {
            // 删除就的缩略图
            ImageUtil.deleteStorePath(tempShop.getShopImg());
          }
          // 1.2 用新的图片生成缩略图
          addShopImg(shop, shopFileInputStream, fileName);
        }
        // 2. 更新店铺信息
        // 2.1 更新一些必要属性
        shop.setLastEditTime(new Date());
        // 2.2 更新店铺
        int effectedNum = shopDao.updateShop(shop);
        if (effectedNum <= 0) {
          throw new ShopOperationException(ShopStateEnum.INNER_ERROR.getStateInfo());
        }
        return new ShopExecution(ShopStateEnum.SUCCESS, shop);
      } catch (Exception e) {
        e.printStackTrace();
        throw new ShopOperationException("modify shop error:" + e.getMessage());
      }
    }
  }

/**
   * 
   * 
   * @Title: deleteStorePath
   * 
   * @Description: 判断storePath是否为目录，为目录的话删掉目录下的所有文件，否则删掉文件
   * 
   * @param storePath
   * 
   * @return: void
   */
  public static void deleteStorePath(String storePath) {
    File fileOrMenu = new File(FileUtil.getImgBasePath() + storePath);
    if (fileOrMenu != null) {
      if (fileOrMenu.isDirectory()) {
        File[] files = fileOrMenu.listFiles();
        for (int i = 0; i < files.length; i++) {
          files[i].delete();
        }
      }
      fileOrMenu.delete();
    }
  }

@Test
  public void testModifyShop() {
    Shop shop = new Shop();
    Area area = new Area();
    ShopCategory shopCategory = new ShopCategory();
    shop.setShopId(28L);
    area.setAreaId(2);
    shopCategory.setShopCategoryId(2L);
    shop.setArea(area);
    shop.setShopCategory(shopCategory);
    shop.setShopName("Modify咖啡店");
    shop.setShopDesc("Modify小工匠的咖啡店");
    shop.setShopAddr("Modify-NanJing");
    shop.setPhone("123456");
    shop.setPriority(78);
    File shopFile = new File("D:/o2o/artisan.jpg");
    ShopExecution se = null;
    InputStream ins = null;
    try {
      ins = new FileInputStream(shopFile);
      se = shopService.modifyShop(shop, ins, shopFile.getName());
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
    Assert.assertEquals(ShopStateEnum.SUCCESS.getState(), se.getState());
  }

Creating a new SqlSession
Registering transaction synchronization for SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]
JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@3fed2870] will be managed by Spring
==>  Preparing: SELECT s.shop_id, s.shop_name, s.shop_desc, s.shop_addr, s.phone, s.shop_img, s.priority, s.create_time, s.last_edit_time, s.enable_status, s.advice, a.area_id, a.area_name, sc.shop_category_id, sc.shop_category_name FROM tb_shop s, tb_area a, tb_shop_category sc WHERE s.area_id = a.area_id AND s.shop_category_id = sc.shop_category_id AND s.shop_id = ? 
==> Parameters: 28(Long)
<==    Columns: shop_id, shop_name, shop_desc, shop_addr, phone, shop_img, priority, create_time, last_edit_time, enable_status, advice, area_id, area_name, shop_category_id, shop_category_name
<==        Row: 28, Modify咖啡店, Modify小工匠的咖啡店, Modify-NanJing, 123456, \upload\item\shopImage\28\2018060301211217157.jpg, 78, 2018-05-28 23:13:37.0, 2018-06-03 01:21:14.0, 0, null, 1, 北京, 1, 咖啡奶茶
<==      Total: 1
Releasing transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]
Fetched SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6] from current transaction
==>  Preparing: update tb_shop SET shop_name=?, shop_desc=?, shop_addr=?, phone=?, shop_img=?, priority=?, last_edit_time=?, area_id=?, shop_category_id=? where shop_id = ? 
==> Parameters: Modify咖啡店(String), Modify小工匠的咖啡店(String), Modify-NanJing(String), 123456(String), \upload\item\shopImage\28\2018060301223045572.jpg(String), 78(Integer), 2018-06-03 01:22:31.968(Timestamp), 2(Integer), 2(Long), 28(Long)
<==    Updates: 1
Releasing transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]
Transaction synchronization committing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]
Transaction synchronization deregistering SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]
Transaction synchronization closing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61544ae6]