toby/app/Models/VacationLimit.php

<?php

declare(strict_types=1);

namespace Toby\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * @property int $id
 * @property User $user
 * @property YearPeriod $yearPeriod
 * @property int $days
 */
class VacationLimit extends Model
{
    use HasFactory;

    protected $guarded = [];

    public function hasVacation(): bool
    {
        return $this->days !== null;
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function yearPeriod(): BelongsTo
    {
        return $this->belongsTo(YearPeriod::class);
    }
}