CurrencyConverter\Rates::getRates()

Complexity

Conditions	3
Paths	3

Size

Total Lines

22

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	4.944

Importance

Changes

0

<?php
    public function getRates(string $fromCurrency, string $toCurrency) :float
    {
        $this->apiCaller->convert(
            $fromCurrency,
            $toCurrency
        );

        if ($this->apiCaller->isLastCallEmpty()) {
            return 0;
        }

        $result = $this->apiCaller->getLastResponse();

        $conversion = json_decode($result, true);
        $key = $fromCurrency . '_' . $toCurrency;

        if (!isset($conversion[$key])) {
            return 0;
        }

        return $conversion[$fromCurrency . '_' . $toCurrency];
    }