<?php

namespace App\Models;

use App\Traits\Auditable;
use DateTimeInterface;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ResearcherSubGroup extends Model
{
    use Auditable, HasFactory;

    public $table = 'researcher_sub_groups';

    protected $dates = [
        'created_at',
        'updated_at',
        'deleted_at',
    ];

    protected $fillable = [
        'title',
        'created_at',
        'updated_at',
        'deleted_at',
    ];

    protected function serializeDate(DateTimeInterface $date)
    {
        return $date->format('Y-m-d H:i:s');
    }

    public function subgroupScientists()
    {
        return $this->belongsToMany(Scientist::class);
    }

    public function groups()
    {
        return $this->belongsToMany(ResearcherGroup::class);
    }
}