<?php

namespace app\admin\controller\wdsxh\questionnaire;

use app\common\controller\Backend;
use think\Db;
use think\db\exception\DataNotFoundException;
use think\db\exception\ModelNotFoundException;
use think\exception\DbException;
use think\exception\PDOException;

/**
 * 问卷调查分类
 *
 * @icon fa fa-circle-o
 */
class Category extends Backend
{

    /**
     * Category模型对象
     * @var \app\admin\model\wdsxh\questionnaire\Category
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\wdsxh\questionnaire\Category;
        $this->view->assign("statusList", $this->model->getStatusList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 删除
     *
     * @param $ids
     * @return void
     * @throws DbException
     * @throws DataNotFoundException
     * @throws ModelNotFoundException
     */
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $pk = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = $this->model->where($pk, 'in', $ids)->select();

        $questionnaireModel = new \app\admin\model\wdsxh\questionnaire\Questionnaire();
        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {

                if ($questionnaireModel->where('questionnaire_category_id',$item->id)->count()) {
                    $this->error("分类【{$item->name}】下存在问卷，无法删除");
                }
                $count += $item->delete();
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success();
        }
        $this->error(__('No rows were deleted'));
    }


}