<?php
namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class QuestionGroup extends Model
{
    use SoftDeletes;

    protected $table = 'se_question_groups';

    protected $fillable = [
        'content',
        'content_vi',
        'exercise_id',
        'is_question_order_fixed',
        'is_option_order_fixed',
        'position',
        'paragraph',
        'media_object_id',
    ];

    public function exercise()
    {
        return $this->belongsTo(Exercise::class, 'exercise_id');
    }

    public function questions()
    {
        return $this->hasMany(Question::class, 'group_id');
    }
}