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<?php
namespace CurrencyConverter;
class CurrencyConverter
{
private $fromCurrency;
private $toCurrency;
private $apiKey;
private $apiCaller;
private $rates;
public function __construct(string $apiKey)
$this->apiKey = $apiKey;
$this->apiCaller = new ApiCaller($apiKey);
$this->rates = new Rates($this->apiCaller);
}
public function convert(string $fromCurrency, string $toCurrency, $amount) :float
$this->fromCurrency = $fromCurrency;
$this->toCurrency = $toCurrency;
$rate = $this->rates->getRates($fromCurrency, $toCurrency);
return $this->calculateValue($rate, $amount);
public function getRates(string $fromCurrency, string $toCurrency) :float
return $this->rates->getRates($fromCurrency, $toCurrency);
private function calculateValue($rate, $amount) :float
$value = (double)$rate * (double)$amount;
return number_format((double)$value, 2, '.', '');
public function setApiCaller(ApiCaller $apiCaller)
$this->apiCaller = $apiCaller;
public function setRates(Rates $rates)
$this->rates = $rates;
AlessandroMinoccheri /
currency-converter
