<?php

namespace app\admin\controller\course;

use app\common\controller\Backend;
use think\Db;
/**
 * 内容分组
 *
 * @icon fa fa-circle-o
 */
class GroupBind extends Backend
{

    protected $modelValidate = false;

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

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

    /**
     * 查看
     */
    public function index($json = true)
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        //如果发送的来源是Selectpage，则转发到Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        list($where, $sort, $order, $offset, $limit) = $this->buildparams();

        $list = $this->model
            ->with(['course'])
            ->where($where)
            ->order($sort, $order)
            ->limit($limit)
            ->paginate($limit);
        $rows = $list->toArray();

        if(!empty($rows['data'])){
            foreach ($rows['data'] as &$item){
                $item['course'] = $this->courseModel->structrue($item['course'],'decode');
            }
        }
        $result = array("total" => $rows['total'], "rows" => $rows['data']);

        if($json){
            return $this->success("获取成功",$result);
        }else{
            return $result;
        }

    }


    /**
     * 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' ? 'asc' : 'desc';
        $brother = $this->model->where(['group_id'=>$self['group_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 += $item->delete();
            }
            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'));
    }


    /**
     * 分组绑定内容
     * @param $groupId
     * @param $courseIds
     * @return mixed
     */
    public function groupBindCourse($groupId=null,$courseIds=null){
        $courseIds = $courseIds ?: $this->request->post("course_ids/a");
        $groupId = $groupId ?: $this->request->post("group_id");

        $this->model->setGroupBindCourse($groupId,$courseIds);
        return $this->success("操作成功");
    }

    /**
     * 获取分组绑定的内容ID
     * @param $id 分组ID
     * @return mixed
     */
    public function getBindCourseIds($id)
    {
        $id = $id ?: $this->request->post("id");

        $row = $this->model->getGroupBindCourse($id);

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

}