<?php
// +----------------------------------------------------------------------
// | 文件说明：用户-幻灯片
// +----------------------------------------------------------------------
// | Copyright (c) 2013-2017 http://www.thinkcmf.com All rights reserved.
// +----------------------------------------------------------------------
// | Author: wuwu <15093565100@163.com>
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Date: 2017-5-25
// +----------------------------------------------------------------------
namespace huo\model\slide;

use huo\model\common\CommonModel;
use think\exception\PDOException;

class SlideModel extends CommonModel {
    /**
     * 全局查询范围status=1显示状态
     *
     * @param $query
     */
    protected function base($query) {
        $query->where('status', 2)->where('delete_time', 0);
    }

    /**
     * SlideItemModel 一对多关联模型 关联分类下的幻灯片
     *
     */
    protected function items() {
        return $this->hasMany(SlideItemModel::className(), 'slide_id', 'id')
                    ->order('list_order ASC');
    }

    /**
     * SlideList 幻灯片获取
     *
     * @param array  $map
     *
     * @param string $page
     *
     * @return false|\PDOStatement|string|\think\Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function getSlideList($map, $page = '1,10') {
        $_page = $page;
        if (empty($page)) {
            $_page = '1,10';
        }
        $data = $this->relation('items')->field(true)->where($map)->page($_page)->select();

        return $data;
    }

    public function getSlideIdsByDevice($device) {
        if (empty($device)) {
            return false;
        }

        return $this->where(['device' => $device])->column(['id']);
    }

    public function getSlideCodesByDevice($device) {
        if (empty($device)) {
            return false;
        }

        return $this->where(['device' => $device])->column('code');
    }

    public function getSlideIdByCode($code) {
        if (empty($code)) {
            return false;
        }

        return $this->where(['code' => $code])->value('id');
    }

    public function getCodeById($id = 0) {
        if (empty($id)) {
            return 0;
        }

        return $this->where(['id' => $id])->limit('1')->value('code');
    }

    public function getTypeIdById($id = 0) {
        if (empty($id)) {
            return 0;
        }

        return $this->where(['id' => $id])->limit('1')->value('type_id');
    }

    /**
     * 添加数据
     *
     * @param $data
     *
     * @return bool
     */
    public function addData($data) {
        if (empty($data)) {
            return false;
        }
        $_data = $data;
        $_obj = self::create($_data, true);
        if ($_obj) {
            return true;
        }

        return false;
    }

    /**
     * 删除数据
     *
     * @param array $_map 删除条件
     *
     * @return int
     */
    public function deleteDataByMap($_map) {
        $_id = self::where($_map)->column('id');
        self::startTrans();
        try {
            self::where($_map)->delete();
            (new SlideItemModel())->where(['slide_id' => ['in', $_id]])->delete();
            // 提交事务
            self::commit();
        } catch (\Exception $e) {
            // 回滚事务
            self::rollback();

            return false;
        }

        return true;
    }
}