ecshop删除商品及记录的函数

时间:2016-05-1747举报小编:admin

    /**
     * 从回收站删除多个商品
     * @param   mix     $goods_id   商品id列表:可以逗号格开,也可以是数组
     * @return  void
     */
    function delete_goods($goods_id)
    {
        if (empty($goods_id))
        {
            return;
        }

        /* 取得有效商品id */
        $sql = "SELECT DISTINCT goods_id FROM " . $GLOBALS['ecs']->table('goods') .
                " WHERE goods_id " . db_create_in($goods_id) . " AND is_delete = 1";
        $goods_id = $GLOBALS['db']->getCol($sql);
        if (empty($goods_id))
        {
            return;
        }

        /* 删除商品图片和轮播图片文件 */
        $sql = "SELECT goods_thumb, goods_img, original_img " .
                "FROM " . $GLOBALS['ecs']->table('goods') .
                " WHERE goods_id " . db_create_in($goods_id);
        $res = $GLOBALS['db']->query($sql);
        while ($goods = $GLOBALS['db']->fetchRow($res))
        {
            if (!empty($goods['goods_thumb']))
            {
                @unlink('../' . $goods['goods_thumb']); // 节约空间
            }
            if (!empty($goods['goods_img']))
            {
                @unlink('../' . $goods['goods_img']);
            }
            if (!empty($goods['original_img']))
            {
                @unlink('../' . $goods['original_img']);
            }
        }

        /* 删除商品 */
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('goods') .
                " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);

        /* 删除商品的货品记录 */
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('products') .
                " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);

        /* 删除商品相册的图片文件 */
        $sql = "SELECT img_url, thumb_url, img_original " .
                "FROM " . $GLOBALS['ecs']->table('goods_gallery') .
                " WHERE goods_id " . db_create_in($goods_id);
        $res = $GLOBALS['db']->query($sql);
        while ($row = $GLOBALS['db']->fetchRow($res))
        {
            if (!empty($row['img_url']))
            {
                @unlink('../' . $row['img_url']);
            }
            if (!empty($row['thumb_url']))
            {
                @unlink('../' . $row['thumb_url']);
            }
            if (!empty($row['img_original']))
            {
                @unlink('../' . $row['img_original']);
            }
        }

        /* 删除商品相册 */
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('goods_gallery') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);

        /* 删除相关表记录 */
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('collect_goods') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('goods_article') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('goods_attr') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('goods_cat') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('member_price') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('group_goods') . " WHERE parent_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('group_goods') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('link_goods') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('link_goods') . " WHERE link_goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('tag') . " WHERE goods_id " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('comment') . " WHERE comment_type = 0 AND id_value " . db_create_in($goods_id);
        $GLOBALS['db']->query($sql);

        /* 删除相应虚拟商品记录 */
        $sql = "DELETE FROM " . $GLOBALS['ecs']->table('virtual_card') . " WHERE goods_id " . db_create_in($goods_id);
        if (!$GLOBALS['db']->query($sql, 'SILENT') && $GLOBALS['db']->errno() != 1146)
        {
            die($GLOBALS['db']->error());
        }

        /* 清除缓存 */
        clear_cache_files();
    }