firefly-iii/app/Services/Currency/RatesApiIOv1.php
2019-10-05 10:10:11 +02:00

127 lines
4.1 KiB
PHP

<?php
/**
* RatesApiIOv1.php
* Copyright (c) 2019 https://github.com/BoGnY
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\Services\Currency;
use Carbon\Carbon;
use Exception;
use FireflyIII\Models\CurrencyExchangeRate;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\User;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use Log;
/**
* Class RatesApiIOv1.
* @codeCoverageIgnore
*/
class RatesApiIOv1 implements ExchangeRateInterface
{
/** @var User */
protected $user;
/**
* Constructor.
*/
public function __construct()
{
if ('testing' === config('app.env')) {
Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
}
}
/**
* @param TransactionCurrency $fromCurrency
* @param TransactionCurrency $toCurrency
* @param Carbon $date
*
* @return CurrencyExchangeRate
*/
public function getRate(TransactionCurrency $fromCurrency, TransactionCurrency $toCurrency, Carbon $date): CurrencyExchangeRate
{
// create new exchange rate with default values.
$rate = 0;
$exchangeRate = new CurrencyExchangeRate;
$exchangeRate->user()->associate($this->user);
$exchangeRate->fromCurrency()->associate($fromCurrency);
$exchangeRate->toCurrency()->associate($toCurrency);
$exchangeRate->date = $date;
$exchangeRate->rate = $rate;
$exchangeRate->updated_at = new Carbon;
$exchangeRate->created_at = new Carbon;
// build URI
$uri = sprintf(
'https://api.ratesapi.io/api/%s?base=%s&symbols=%s',
$date->format('Y-m-d'), $fromCurrency->code, $toCurrency->code
);
Log::debug(sprintf('Going to request exchange rate using URI %s', $uri));
$client = new Client;
try {
$res = $client->request('GET', $uri);
$statusCode = $res->getStatusCode();
$body = $res->getBody()->getContents();
} catch (GuzzleException|Exception $e) {
// don't care about error
$body = sprintf('Guzzle exception: %s', $e->getMessage());
$statusCode = 500;
}
Log::debug(sprintf('Result status code is %d', $statusCode));
Log::debug(sprintf('Result body is: %s', $body));
$content = null;
if (200 !== $statusCode) {
Log::error(sprintf('Something went wrong. Received error code %d and body "%s" from RatesApiIO.', $statusCode, $body));
}
$success = false;
// get rate from body:
if (200 === $statusCode) {
$content = json_decode($body, true);
$success = true;
}
if (null !== $content && true === $success) {
$code = $toCurrency->code;
$rate = (float)($content['rates'][$code] ?? 0);
Log::debug('Got the following rates from RatesApi: ', $content['rates'] ?? []);
}
$exchangeRate->rate = $rate;
if (0.0 !== $rate) {
Log::debug('Rate is not zero, save it!');
$exchangeRate->save();
}
return $exchangeRate;
}
/**
* @param User $user
*
* @return mixed|void
*/
public function setUser(User $user)
{
$this->user = $user;
}
}