<?php

namespace App;

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

class OrgUnit extends Model
{
    use SoftDeletes;

    protected $guarded = ['id'];

    protected $casts = [
        'meta' => 'array',
        'is_active' => 'boolean',
    ];

    public function entity()
    {
        return $this->belongsTo(HoldingEntity::class, 'entity_id');
    }

    public function parent()
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

    public function children()
    {
        return $this->hasMany(self::class, 'parent_id');
    }
}