Command to fetch and update currencies

UpdateCurrencies.php

<?php

namespace App\Console\Commands;

use App\Models\Currency;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Http;

/**
 *
 */
class UpdateCurrencies extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'update:currencies';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Update Currencies one time in a day';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return void
     */
    public function handle(): void
    {
        $response = $this->fetchCurrencies();
        $this->updateRates($response->rates, $response->base);
    }

    /**
     * @return mixed
     */
    private function fetchCurrencies(): mixed
    {
        $baseCurrency = config('currency.base_currency');
        $currencies = Http::get('http://api.exchangeratesapi.io/v1/latest?access_key=d7f984291df38e362e65b1c4d4030cd0&format=1&base='.$baseCurrency);
        return json_decode($currencies->body());
    }

    private function updateRates($rates, $base)
    {
        $currency = Currency::query()->firstOrCreate(['currency' => $base]);
        $currency->rates = $rates;
        $currency->save();
    }
}