.-.-.-.-.-

<?php
declare(strict_types=1);

namespace DvK\Vat\Rates;

use DvK\Vat\Rates\Caches\NullCache;
use DvK\Vat\Rates\Clients\JsonVat;
use DvK\Vat\Rates\Interfaces\Client;
use DvK\Vat\Rates\Exceptions\Exception;
use Psr\SimpleCache\CacheInterface;

class Rates
{

/**
     * @var array
     */
    protected $map = array();

/**
     * @var CacheInterface
     */
    protected $cache;

/**
     * @var Client
     */
    protected $client;

/**
     * Rates constructor.
     *
     * @param Client $client     (optional)
     * @param CacheInterface $cache          (optional)
     */
    public function __construct(Client $client = null, CacheInterface $cache = null)
    {
        $this->client = $client;
        $this->cache = $cache ?: new NullCache();
        $this->map = $this->load();
    }

protected function load()
    {
        // load from cache
        $map = $this->cache->get('vat-rates');

// fetch from jsonvat.com
        if (empty($map)) {
            $map = $this->fetch();

// store in cache
            $this->cache->set('vat-rates', $map, 86400);            
        }

return $map;
    }

/**
     * @return array
     *
     * @throws Exception
     */
    protected function fetch() : ?array
    {
        if( ! $this->client ) {
            $this->client = new JsonVat();
        }

return $this->client->fetch();
    }

/**
     * @return array
     */
    public function all() : array
    {
        return $this->map;
    }

/**
     * @param string $country
     * @param string $rate
     * @param \DateTimeInterface $applicableDate - optionnal - the applicable date
     *
     * @return double
     *
     * @throws Exception
     */
    public function country(string $country, string $rate = 'standard', \DateTimeInterface $applicableDate = null) : float
    {
        $country = strtoupper($country);
        $country = $this->getCountryCode($country);

if (null === $applicableDate) {
            $applicableDate = new \DateTime('today midnight');
        }

if (!isset($this->map[$country])) {
            throw new Exception('Invalid country code.');
        }

$periods = $this->map[$country]['periods'];

// Sort by date desc
        usort($periods, function ($period1, $period2) {
            return new \DateTime($period1['effective_from']) > new \DateTime($period2['effective_from']) ? -1 : 1;
        });

foreach ($periods AS $period) {
            if (new \DateTime($period['effective_from']) > $applicableDate) {
                continue;
            }
            else {
                break;
            }
        }

if (empty($period)) {
            throw new Exception('Unable to find a rate applicable at that date.');
        }

if (!isset($period['rates'][$rate])) {
            throw new Exception('Invalid rate.');
        }

return $period['rates'][$rate];
    }

/**
     * Get normalized country code
     *
     * Fixes ISO-3166-1-alpha2 exceptions
     *
     * @param string $country
     * @return string
     */
    protected function getCountryCode(string $country) : string
    {
        if ($country == 'UK') {
            $country = 'GB';
        }

if ($country == 'EL') {
            $country = 'GR';
        }

return $country;
    }

}

/srv/users/craft4/apps/craft4-newsite-space/storage/.././vendor/ibericode/vat/src/Rates/Rates.php