<?php

namespace app\admin\controller\course;

use app\common\controller\Backend;
use think\Db;
/**
 * 专栏目录
 *
 * @icon fa fa-circle-o
 */
class ColumnDir extends Backend
{

    /**
     * ColumnDir模型对象
     * @var \app\admin\model\course\ColumnDir
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\course\ColumnDir;

    }


    /**
     * 获取目录
     * @param $courseId
     * @return mixed
     */
    public function getDir($courseId = null){
        $courseId = $courseId ?: $this->request->post("course_id");
        $row = $this->model->courseIdGetList($courseId);
        return $this->success("获取成功",$row);
    }


    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        $params['sort'] = $this->model->defineSort($params['course_id'],$params['p_id']);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success("提交成功");
    }

    /**
     * 编辑
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }

        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }

        if($row['p_id']!=$params['p_id']){
            $params['sort'] = $this->model->defineSort($params['course_id'],$params['p_id']);
        }
        $params = $this->preExcludeFields($params);

        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success("提交成功");
    }


    /**
     * 设置排序
     * @param $id
     * @param $type
     * @return mixed
     */
    public function setSort($id,$type = 'up')
    {
        $self = $this->model->get($id);

        if(!$self){
            $this->error(__('No Results were found'));
        }

        $direction = $type == 'up' ? '<' : '>';
        $sort =  $type == 'up' ? 'desc' : 'asc';

        $brother = $this->model->where(['course_id'=>$self['course_id'],'p_id'=>$self['p_id']])
            ->where('sort',$direction,$self['sort'])
            ->order('sort',$sort)
            ->find();

        if(!$brother){
            $this->error(__('无继续调节空间'));
        }

        $this->model->where([
            'id'=>$self['id']
        ])->update([
            'sort'=>$brother['sort']
        ]);

        $this->model->where([
            'id'=>$brother['id']
        ])->update([
            'sort'=>$self['sort']
        ]);

        return $this->success("操作成功");
    }


    /**
     * 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();

        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $count += $this->model->del($item->id);
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            $this->success("操作成功");
        }
        $this->error(__('No rows were deleted'));
    }
}