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84 lines
2.9 KiB
PHP
84 lines
2.9 KiB
PHP
<?php
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/**
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* ExchangeController.php
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* Copyright (c) 2019 james@firefly-iii.org
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*
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* This file is part of Firefly III (https://github.com/firefly-iii).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace FireflyIII\Http\Controllers\Json;
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use Carbon\Carbon;
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use FireflyIII\Http\Controllers\Controller;
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use FireflyIII\Models\TransactionCurrency;
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use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
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use FireflyIII\Services\Currency\ExchangeRateInterface;
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use FireflyIII\User;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Log;
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/**
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* Class ExchangeController.
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*/
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class ExchangeController extends Controller
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{
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/**
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* Returns an exchange rate.
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*
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* @param Request $request
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* @param TransactionCurrency $fromCurrency
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* @param TransactionCurrency $toCurrency
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* @param Carbon $date
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*
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* @return JsonResponse
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*/
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public function getRate(Request $request, TransactionCurrency $fromCurrency, TransactionCurrency $toCurrency, Carbon $date): JsonResponse
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{
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/** @var CurrencyRepositoryInterface $repository */
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$repository = app(CurrencyRepositoryInterface::class);
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$rate = $repository->getExchangeRate($fromCurrency, $toCurrency, $date);
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if (null === $rate) {
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Log::debug(sprintf('No cached exchange rate in database for %s to %s on %s', $fromCurrency->code, $toCurrency->code, $date->format('Y-m-d')));
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// create service:
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/** @var User $user */
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$user = auth()->user();
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/** @var ExchangeRateInterface $service */
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$service = app(ExchangeRateInterface::class);
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$service->setUser($user);
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// get rate:
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$rate = $service->getRate($fromCurrency, $toCurrency, $date);
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}
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$return = $rate->toArray();
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$return['amount'] = null;
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if (null !== $request->get('amount')) {
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// assume amount is in "from" currency:
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$return['amount'] = bcmul($request->get('amount'), (string) $rate->rate, 12);
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// round to toCurrency decimal places:
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$return['amount'] = round($return['amount'], $toCurrency->decimal_places);
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}
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return response()->json($return);
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}
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}
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