<?php

namespace App\Models\Train;

use Illuminate\Database\Eloquent\Model;
use App\Traits\HasDateTimeFormatter;
use EloquentFilter\Filterable;

/**
 * 培训管理-考试
 */
class Examination extends Model
{
    use HasDateTimeFormatter, Filterable;

    protected $table = 'train_examinations';

    protected $fillable = ['name', 'questions', 'total_questions', 'total_score', 'remarks', 'published_at', 'exam_status'];

    protected $casts = [
        // [{title: 题目, cate: 类型, options: 选项, score: 分值}]
        'questions' => 'json',
        'published_at' => 'datetime',
        'exam_status' => \App\Enums\ExamStatus::class,
    ];

    public function modelFilter()
    {
        return \App\Admin\Filters\TrainExaminationFilter::class;
    }

    public function papers()
    {
        return $this->hasMany(Paper::class, 'examination_id');
    }
}