Product.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Product extends Model
{
    /**
     * Get the formatted price.
     *
     * @return string
     */
    public function getFormattedPriceAttribute()
    {
        return 'Rp. ' . number_format(this->attributes['price'], 0, ',', '.');
    }
}