Movavi\Builder\CbrRateBuilder

Complexity

Total Complexity

3

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	fromXml()	0	22	3

<?php

namespace Movavi\Builder;

use Movavi\Entity\Rate;
use Movavi\Exception\NoneRateException;

/**
 * Class AverageRateBuilder
 *
 * Builder for the Movavi\Entity\Rate
 * Implementation of Builder pattern (GoF)
 *
 * @package Movavi\Builder
 */
class CbrRateBuilder
{

    /**
     * Returns an instance of Movavi\Entity\Rate,
     * by string in xml-format from cbr.ru
     *
     * @param string $currencyFrom
     * @param string $currencyTo
     * @param \DateTime $date
     * @param string $xmlString
     *
     * @return Rate
     *
     * @throws NoneRateException
     */
    public function fromXml(string $currencyFrom, string $currencyTo, \DateTime $date, string $xmlString): Rate
    {
        $xml = simplexml_load_string($xmlString);
        $json = json_encode($xml);
        $array = json_decode($json, TRUE);

        if (empty($array['Record'])) {
            throw new NoneRateException('Service cbr.ru has not send any rate data');
        }

        if (isset($array['Record']['Value'])) {

            $rate = $array['Record']['Value'];
        } else {

            $record = array_shift($array['Record']);
            $rate = $record['Value'];
        }

        $rate = floatval(str_replace(',', '.', $rate));

        return new Rate($currencyFrom, $currencyTo, $date, $rate);
    }
}