Added a button to update exchange rates via web gui.

composer.json

@@ -16,6 +16,7 @@
         "dompdf/dompdf": "^0.8.5",
         "erusev/parsedown": "^1.7",
         "florianv/swap": "^4.0",
+        "florianv/swap-bundle": "dev-master",
         "friendsofsymfony/ckeditor-bundle": "^2.0",
         "gregwar/captcha-bundle": "^2.1.0",
         "league/html-to-markdown": "^4.8",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "07efae478ec4174b9406bb3b35c8aa82",
+    "content-hash": "4c03a0cabed4fc08ab4f6e0fe85dd2bf",
     "packages": [
         {
             "name": "beberlei/assert",
@@ -1668,6 +1668,70 @@
             ],
             "time": "2020-06-05T12:28:59+00:00"
         },
+        {
+            "name": "florianv/swap-bundle",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/florianv/symfony-swap.git",
+                "reference": "3d31a6cc5c37ab36e4af2a47664b47260a628b69"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/florianv/symfony-swap/zipball/3d31a6cc5c37ab36e4af2a47664b47260a628b69",
+                "reference": "3d31a6cc5c37ab36e4af2a47664b47260a628b69",
+                "shasum": ""
+            },
+            "require": {
+                "florianv/swap": "^4.0",
+                "php": "^5.6|^7.0",
+                "symfony/framework-bundle": "~3.0|~4.0|~5.0"
+            },
+            "require-dev": {
+                "nyholm/psr7": "^1.1",
+                "php-http/guzzle6-adapter": "^1.0",
+                "php-http/message": "^1.7",
+                "phpunit/phpunit": "~5.0",
+                "symfony/cache": "~3.0|~4.0|~5.0"
+            },
+            "suggest": {
+                "symfony/cache": "For caching"
+            },
+            "type": "symfony-bundle",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Florianv\\SwapBundle\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Florian Voutzinos",
+                    "email": "florian@voutzinos.com",
+                    "homepage": "http://florian.voutzinos.com"
+                }
+            ],
+            "description": "Integrates the Swap library with Symfony",
+            "homepage": "https://github.com/florianv/FlorianvSwapBundle",
+            "keywords": [
+                "Rate",
+                "bundle",
+                "conversion",
+                "currency",
+                "exchange",
+                "money",
+                "symfony"
+            ],
+            "time": "2020-05-12T11:25:49+00:00"
+        },
         {
             "name": "friendsofsymfony/ckeditor-bundle",
             "version": "2.2.0",
@@ -12795,6 +12859,7 @@
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {
+        "florianv/swap-bundle": 20,
         "roave/security-advisories": 20
     },
     "prefer-stable": false,

config/bundles.php

@@ -24,4 +24,5 @@ return [
     R\U2FTwoFactorBundle\RU2FTwoFactorBundle::class => ['all' => true],
     Translation\Bundle\TranslationBundle::class => ['all' => true],
     Symplify\ParameterNameGuard\ParameterNameGuardBundle::class => ['dev' => true, 'test' => true],
+    Florianv\SwapBundle\FlorianvSwapBundle::class => ['all' => true],
 ];

config/packages/swap.yaml

@@ -0,0 +1,6 @@
+florianv_swap:
+  providers:
+    exchange_rates_api: ~
+    fixer:
+      access_key: "%env(FIXER_API_KEY)%"
+    european_central_bank: ~           # European Central Bank

config/services.yaml

@@ -142,6 +142,11 @@ services:
         arguments:
             $base_currency: '%partdb.default_currency%'
 
+    App\Services\ExchangeRateUpdater:
+        arguments:
+            $base_currency: '%partdb.default_currency%'
+            $swap: '@florianv_swap.swap'
+
     ###################################################################################################################
     # User system
     ####################################################################################################################

src/Controller/AdminPages/CurrencyController.php

@@ -47,14 +47,29 @@ use App\Entity\Base\AbstractNamedDBElement;
 use App\Entity\Parameters\CurrencyParameter;
 use App\Entity\PriceInformations\Currency;
 use App\Form\AdminPages\CurrencyAdminForm;
+use App\Services\Attachments\AttachmentSubmitHandler;
 use App\Services\EntityExporter;
 use App\Services\EntityImporter;
+use App\Services\ExchangeRateUpdater;
+use App\Services\LabelSystem\Barcodes\BarcodeExampleElementsGenerator;
+use App\Services\LabelSystem\LabelGenerator;
+use App\Services\LogSystem\EventCommentHelper;
+use App\Services\LogSystem\HistoryHelper;
+use App\Services\LogSystem\TimeTravel;
 use App\Services\StructuralElementRecursionHelper;
 use Doctrine\ORM\EntityManagerInterface;
+use Exchanger\Exception\ChainException;
+use Exchanger\Exception\Exception;
+use Exchanger\Exception\UnsupportedCurrencyPairException;
+use Omines\DataTablesBundle\DataTableFactory;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * @Route("/currency")
@@ -70,6 +85,40 @@ class CurrencyController extends BaseAdminController
     protected $attachment_class = CurrencyAttachment::class;
     protected $parameter_class = CurrencyParameter::class;
 
+    protected $exchangeRateUpdater;
+
+    public function __construct(
+        TranslatorInterface $translator,
+        UserPasswordEncoderInterface $passwordEncoder,
+        AttachmentSubmitHandler $attachmentSubmitHandler,
+        EventCommentHelper $commentHelper,
+        HistoryHelper $historyHelper,
+        TimeTravel $timeTravel,
+        DataTableFactory $dataTableFactory,
+        EventDispatcherInterface $eventDispatcher,
+        BarcodeExampleElementsGenerator $barcodeExampleGenerator,
+        LabelGenerator $labelGenerator,
+        EntityManagerInterface $entityManager,
+        ExchangeRateUpdater $exchangeRateUpdater
+
+    ) {
+        $this->exchangeRateUpdater = $exchangeRateUpdater;
+
+        parent::__construct(
+            $translator,
+            $passwordEncoder,
+            $attachmentSubmitHandler,
+            $commentHelper,
+            $historyHelper,
+            $timeTravel,
+            $dataTableFactory,
+            $eventDispatcher,
+            $barcodeExampleGenerator,
+            $labelGenerator,
+            $entityManager
+        );
+    }
+
     /**
      * @Route("/{id}", name="currency_delete", methods={"DELETE"})
      *
@@ -80,6 +129,30 @@ class CurrencyController extends BaseAdminController
         return $this->_delete($request, $entity, $recursionHelper);
     }
 
+    public function additionalActionEdit(FormInterface $form, AbstractNamedDBElement $entity): bool
+    {
+        if (!$entity instanceof Currency) {
+            return false;
+        }
+
+        if ($form->get('update_exchange_rate')->isClicked()) {
+            $this->denyAccessUnlessGranted('edit', $entity);
+            try {
+                $this->exchangeRateUpdater->update($entity);
+                $this->addFlash('info', 'currency.edit.exchange_rate_updated.success');
+            } catch (ChainException $exception) {
+                $exception = $exception->getExceptions()[0];
+                if ($exception instanceof UnsupportedCurrencyPairException || stripos($exception->getMessage(), "supported") !== false) {
+                    $this->addFlash('error', 'currency.edit.exchange_rate_update.unsupported_currency');
+                } else {
+                    $this->addFlash('error', 'currency.edit.exchange_rate_update.generic_error');
+                }
+            }
+        }
+
+        return true;
+    }
+
     /**
      * @Route("/{id}/edit/{timestamp}", requirements={"id"="\d+"}, name="currency_edit")
      * @Route("/{id}", requirements={"id"="\d+"})

src/Form/AdminPages/CurrencyAdminForm.php

@@ -46,6 +46,7 @@ use App\Entity\Base\AbstractNamedDBElement;
 use App\Form\Type\BigDecimalMoneyType;
 use Symfony\Component\Form\Extension\Core\Type\CurrencyType;
 use Symfony\Component\Form\Extension\Core\Type\MoneyType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Security\Core\Security;
 
@@ -82,5 +83,16 @@ class CurrencyAdminForm extends BaseEntityAdminForm
             'scale' => 6,
             'disabled' => ! $this->security->isGranted($is_new ? 'create' : 'edit', $entity),
         ]);
+
+        if(!$is_new) {
+            $builder->add(
+                'update_exchange_rate',
+                SubmitType::class,
+                [
+                    'label' => 'currency.edit.update_rate',
+                    'disabled' => ! $this->security->isGranted('edit', $entity)
+                ]
+            );
+        }
     }
 }

src/Services/ExchangeRateUpdater.php

@@ -0,0 +1,34 @@
+<?php
+
+
+namespace App\Services;
+
+
+use App\Entity\PriceInformations\Currency;
+use Brick\Math\BigDecimal;
+use Swap\Swap;
+
+class ExchangeRateUpdater
+{
+    private $base_currency;
+    private $swap;
+
+    public function __construct(string $base_currency, Swap $swap)
+    {
+        $this->base_currency = $base_currency;
+        $this->swap = $swap;
+    }
+
+    /**
+     * Updates the exchange rate of the given currency using the globally configured providers.
+     * @param  Currency  $currency
+     * @return Currency
+     */
+    public function update(Currency $currency): Currency
+    {
+        $rate = $this->swap->latest($currency->getIsoCode().'/'.$this->base_currency);
+        $currency->setExchangeRate(BigDecimal::of($rate->getValue()));
+        return $currency;
+    }
+
+}

symfony.lock

@@ -150,6 +150,9 @@
     "florianv/swap": {
         "version": "3.5.0"
     },
+    "florianv/swap-bundle": {
+        "version": "5.0.0"
+    },
     "friendsofphp/php-cs-fixer": {
         "version": "2.2",
         "recipe": {

templates/AdminPages/CurrencyAdmin.html.twig

@@ -18,6 +18,10 @@
     {% endif %}
 
     {{ form_row(form.exchange_rate) }}
+
+    {% if form.update_exchange_rate is defined %}
+        {{ form_row(form.update_exchange_rate, {attr: {class: 'btn-link'}}) }}
+    {% endif %}
     {% if entity.inverseExchangeRate %}
         <span class="form-text text-muted offset-3 col-9">
         {{ '1'|format_currency(default_currency) }} = {{ entity.inverseExchangeRate.tofloat | format_currency(entity.isoCode, {fraction_digit: 5}) }}