<?php

namespace App\Entities\Part;

use App\Models\Part\DISKModel;

class DISKEntity extends PartEntity
{
    const PK    = DISKModel::PK;
    const TITLE = DISKModel::TITLE;
    public function __construct(array|null $data = null)
    {
        $this->attributes['used'] = 0;
        $this->attributes['stock'] = 0;
        $this->attributes['format'] = '';
        parent::__construct($data);
    }
    //기본기능    
    public function getStock(): int
    {
        return $this->attributes['stock'] ?? 0;
    }
    public function getFormat(): int
    {
        return $this->attributes['format'] ?? 0;
    }
    public function getUsed(): int
    {
        return $this->attributes['used'] ?? 0;
    }
    public function getAvailable(): int
    {
        return $this->getStock() - $this->getUsed() - $this->getFormat();
    }
}