<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 用户考试科目管理
 *
 * @icon fa fa-circle-o
 */
class ThirdStudy extends Backend
{
    
    /**
     * ThirdStudy模型对象
     * @var \app\admin\model\ThirdStudy
     */
    protected $model = null;

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

    }
    
    /**
     * 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
     */
    

    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax())
        {
            //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();
            $total = $this->model
                    ->with(['user','study'])
                    ->where($where)
                    ->order($sort, $order)
                    ->count();

            $list = $this->model
                    ->with(['user','study'])
                    ->where($where)
                    ->order($sort, $order)
                    ->limit($offset, $limit)
                    ->select();

            foreach ($list as $row) {
                
                $row->getRelation('user')->visible(['username']);
				$row->getRelation('study')->visible(['examname']);
            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                $is_have = Db::name('third_study')
                    ->where('third_id',$params['third_id'])
                    ->where('study_id',$params['study_id'])
                    ->find();
                if(!empty($is_have)){
                    $this->error('您已经绑定过该考试了');
                }


                $res['third_id'] = $params['third_id'];
                $res['study_id'] = $params['study_id'];
                $res['createtime'] = time();
                $res['playtime'] = 0;
                $classes_ids = Db::name('classes')->where('study_id',$res['study_id'])->where('is_major',1)->column('id');
                foreach ($classes_ids as $v){
                    $res['class_id'] = $v;
                    Db::name('study_class')->insertGetId($res);
                }

                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;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 删除
     */
    public function del($ids = "")
    {
        if ($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();
            $data = Db::name('third_study')->where('id',$ids)->find();

            $classes = Db::name('classes')
                ->where('study_id',$data['study_id'])
                ->column('id');
            Db::name('class_detail')->where('user_id',$data['third_id'])->whereIn('class_id',$classes)->delete();

            Db::name('study_class')->where('third_id',$data['third_id'])->where('study_id',$data['study_id'])->delete();
            Db::name('third_exam')->where('user_id',$data['third_id'])->where('study_id',$data['study_id'])->delete();
            $count = 0;
            Db::startTrans();
            try {
                foreach ($list as $k => $v) {
                    $count += $v->delete();
                }
                Db::commit();
            } catch (PDOException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (Exception $e) {
                Db::rollback();
                $this->error($e->getMessage());
            }
            if ($count) {
                $this->success();
            } else {
                $this->error(__('No rows were deleted'));
            }
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }
}