From 568367b59e86d29ea5fadf433bcaae00b6be6bf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20B=C3=B6hmer?= <jan.h.boehmer@gmx.de>
Date: Tue, 13 Aug 2019 13:04:31 +0200
Subject: [PATCH] Added an console command for updating currency exchange
 rates.

---
 .env                                         |    2 +-
 composer.json                                |    5 +
 composer.lock                                | 1258 ++++++++++++++++--
 config/packages/nyholm_psr7.yaml             |   21 +
 config/services.yaml                         |    5 +
 src/Command/UpdateExchangeRatesCommand.php   |  102 ++
 src/Form/AdminPages/CurrencyAdminForm.php    |    1 +
 symfony.lock                                 |   66 +
 templates/AdminPages/CurrencyAdmin.html.twig |    2 +-
 9 files changed, 1371 insertions(+), 91 deletions(-)
 create mode 100644 config/packages/nyholm_psr7.yaml
 create mode 100644 src/Command/UpdateExchangeRatesCommand.php

diff --git a/.env b/.env
index 2537e866..6ad69ce3 100644
--- a/.env
+++ b/.env
@@ -37,6 +37,6 @@ MAILER_URL=null://localhost
 
 ### Custom vars
 
-
+FIXER_API_KEY=CHANGEME
 
 ### End custom vars
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 7faac738..c255ddb1 100644
--- a/composer.json
+++ b/composer.json
@@ -8,10 +8,15 @@
         "ext-intl": "*",
         "ext-mbstring": "*",
         "doctrine/annotations": "^1.6",
+        "florianv/swap": "^4.0",
         "friendsofsymfony/ckeditor-bundle": "^2.0",
         "gerardojbaez/money": "^0.3.1",
+        "nyholm/psr7": "^1.1",
         "ocramius/proxy-manager": "2.1.*",
         "omines/datatables-bundle": "^0.2.2",
+        "php-http/curl-client": "^2.0",
+        "php-http/guzzle6-adapter": "^2.0",
+        "php-http/message": "^1.8",
         "php-translation/symfony-bundle": "^0.8.1",
         "s9e/text-formatter": "^2.0",
         "sensio/framework-extra-bundle": "^5.1",
diff --git a/composer.lock b/composer.lock
index bf944ff3..2e38819d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,72 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "4efee728068f5b14ad389d7a4a75131b",
+    "content-hash": "a10f4a3cafdc520a3c6286e2e6c3b84a",
     "packages": [
         {
-            "name": "doctrine/annotations",
-            "version": "v1.6.1",
+            "name": "clue/stream-filter",
+            "version": "v1.4.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/doctrine/annotations.git",
-                "reference": "53120e0eb10355388d6ccbe462f1fea34ddadb24"
+                "url": "https://github.com/clue/php-stream-filter.git",
+                "reference": "5a58cc30a8bd6a4eb8f856adf61dd3e013f53f71"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/annotations/zipball/53120e0eb10355388d6ccbe462f1fea34ddadb24",
-                "reference": "53120e0eb10355388d6ccbe462f1fea34ddadb24",
+                "url": "https://api.github.com/repos/clue/php-stream-filter/zipball/5a58cc30a8bd6a4eb8f856adf61dd3e013f53f71",
+                "reference": "5a58cc30a8bd6a4eb8f856adf61dd3e013f53f71",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^5.0 || ^4.8"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Clue\\StreamFilter\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Christian Lück",
+                    "email": "christian@lueck.tv"
+                }
+            ],
+            "description": "A simple and modern approach to stream filtering in PHP",
+            "homepage": "https://github.com/clue/php-stream-filter",
+            "keywords": [
+                "bucket brigade",
+                "callback",
+                "filter",
+                "php_user_filter",
+                "stream",
+                "stream_filter_append",
+                "stream_filter_register"
+            ],
+            "time": "2019-04-09T12:31:48+00:00"
+        },
+        {
+            "name": "doctrine/annotations",
+            "version": "v1.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/annotations.git",
+                "reference": "fa4c4e861e809d6a1103bd620cce63ed91aedfeb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/annotations/zipball/fa4c4e861e809d6a1103bd620cce63ed91aedfeb",
+                "reference": "fa4c4e861e809d6a1103bd620cce63ed91aedfeb",
                 "shasum": ""
             },
             "require": {
@@ -26,12 +78,12 @@
             },
             "require-dev": {
                 "doctrine/cache": "1.*",
-                "phpunit/phpunit": "^6.4"
+                "phpunit/phpunit": "^7.5@dev"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6.x-dev"
+                    "dev-master": "1.7.x-dev"
                 }
             },
             "autoload": {
@@ -44,6 +96,10 @@
                 "MIT"
             ],
             "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
                 {
                     "name": "Roman Borschel",
                     "email": "roman@code-factory.org"
@@ -52,10 +108,6 @@
                     "name": "Benjamin Eberlei",
                     "email": "kontakt@beberlei.de"
                 },
-                {
-                    "name": "Guilherme Blanco",
-                    "email": "guilhermeblanco@gmail.com"
-                },
                 {
                     "name": "Jonathan Wage",
                     "email": "jonwage@gmail.com"
@@ -72,7 +124,7 @@
                 "docblock",
                 "parser"
             ],
-            "time": "2019-03-25T19:12:02+00:00"
+            "time": "2019-08-08T18:11:40+00:00"
         },
         {
             "name": "doctrine/cache",
@@ -1319,6 +1371,127 @@
             ],
             "time": "2016-10-17T18:31:11+00:00"
         },
+        {
+            "name": "florianv/exchanger",
+            "version": "2.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/florianv/exchanger.git",
+                "reference": "602723c0dac212225c01f914545de316b4373c67"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/florianv/exchanger/zipball/602723c0dac212225c01f914545de316b4373c67",
+                "reference": "602723c0dac212225c01f914545de316b4373c67",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "php-http/client-implementation": "^1.0",
+                "php-http/discovery": "^1.6",
+                "php-http/httplug": "^1.0 || ^2.0",
+                "php-http/message-factory": "^1.0.2",
+                "psr/simple-cache": "^1.0"
+            },
+            "require-dev": {
+                "nyholm/psr7": "^1.0",
+                "php-http/message": "^1.7",
+                "php-http/mock-client": "^1.0",
+                "phpunit/phpunit": "^7.5"
+            },
+            "suggest": {
+                "php-http/guzzle6-adapter": "Required to use Guzzle for sending HTTP requests",
+                "php-http/message": "Required to use Guzzle for sending HTTP requests"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Exchanger\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Florian Voutzinos",
+                    "email": "florian@voutzinos.com",
+                    "homepage": "https://voutzinos.com"
+                }
+            ],
+            "description": "Currency exchange rates framework for PHP",
+            "homepage": "https://github.com/florianv/exchanger",
+            "keywords": [
+                "Rate",
+                "conversion",
+                "currency",
+                "exchange rates",
+                "money"
+            ],
+            "time": "2019-05-22T14:33:08+00:00"
+        },
+        {
+            "name": "florianv/swap",
+            "version": "4.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/florianv/swap.git",
+                "reference": "89128edec43cec06b65f0d90141512e91e5e14bf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/florianv/swap/zipball/89128edec43cec06b65f0d90141512e91e5e14bf",
+                "reference": "89128edec43cec06b65f0d90141512e91e5e14bf",
+                "shasum": ""
+            },
+            "require": {
+                "florianv/exchanger": "^2.0",
+                "php": "^7.1.3"
+            },
+            "require-dev": {
+                "nyholm/psr7": "^1.0",
+                "php-http/message": "^1.7",
+                "php-http/mock-client": "^1.0",
+                "phpunit/phpunit": "^7.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Swap\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Florian Voutzinos",
+                    "email": "florian@voutzinos.com",
+                    "homepage": "https://voutzinos.com"
+                }
+            ],
+            "description": "Exchange rates library for PHP",
+            "keywords": [
+                "Rate",
+                "conversion",
+                "currency",
+                "exchange rates",
+                "money"
+            ],
+            "time": "2019-05-30T10:44:39+00:00"
+        },
         {
             "name": "friendsofsymfony/ckeditor-bundle",
             "version": "2.1.0",
@@ -1445,6 +1618,193 @@
             ],
             "time": "2018-02-24T18:59:00+00:00"
         },
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "6.3.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/407b0cb880ace85c9b63c5f9551db498cb2d50ba",
+                "reference": "407b0cb880ace85c9b63c5f9551db498cb2d50ba",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.4",
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "ext-curl": "*",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
+                "psr/log": "^1.0"
+            },
+            "suggest": {
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "6.3-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "rest",
+                "web service"
+            ],
+            "time": "2018-04-22T15:46:56+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "v1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "reference": "a59da6cf61d80060647ff4d3eb2c03a2bc694646",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-12-20T10:07:11+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "1.6.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/239400de7a173fe9901b9ac7c06497751f00727a",
+                "reference": "239400de7a173fe9901b9ac7c06497751f00727a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4.0",
+                "psr/http-message": "~1.0",
+                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
+            },
+            "provide": {
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "ext-zlib": "*",
+                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.8"
+            },
+            "suggest": {
+                "zendframework/zend-httphandlerrunner": "Emit PSR-7 responses"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                },
+                "files": [
+                    "src/functions_include.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "psr-7",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "time": "2019-07-01T23:21:34+00:00"
+        },
         {
             "name": "jdorn/sql-formatter",
             "version": "v1.2.17",
@@ -1575,16 +1935,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.2.2",
+            "version": "v4.2.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "1bd73cc04c3843ad8d6b0bfc0956026a151fc420"
+                "reference": "e612609022e935f3d0337c1295176505b41188c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/1bd73cc04c3843ad8d6b0bfc0956026a151fc420",
-                "reference": "1bd73cc04c3843ad8d6b0bfc0956026a151fc420",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/e612609022e935f3d0337c1295176505b41188c8",
+                "reference": "e612609022e935f3d0337c1295176505b41188c8",
                 "shasum": ""
             },
             "require": {
@@ -1592,7 +1952,7 @@
                 "php": ">=7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.5 || ^7.0"
+                "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0"
             },
             "bin": [
                 "bin/php-parse"
@@ -1622,42 +1982,39 @@
                 "parser",
                 "php"
             ],
-            "time": "2019-05-25T20:07:01+00:00"
+            "time": "2019-08-12T20:17:41+00:00"
         },
         {
             "name": "nikolaposa/version",
-            "version": "2.2.2",
+            "version": "3.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikolaposa/version.git",
-                "reference": "9fd723babf6fccc9ee221e3b987348af0b00a8c7"
+                "reference": "7ff2bbf2fe6a47efe47832d6198924e99b4a4f5a"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikolaposa/version/zipball/9fd723babf6fccc9ee221e3b987348af0b00a8c7",
-                "reference": "9fd723babf6fccc9ee221e3b987348af0b00a8c7",
+                "url": "https://api.github.com/repos/nikolaposa/version/zipball/7ff2bbf2fe6a47efe47832d6198924e99b4a4f5a",
+                "reference": "7ff2bbf2fe6a47efe47832d6198924e99b4a4f5a",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5"
+                "php": "^7.2.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^1.11",
-                "phpunit/phpunit": "^4.7"
+                "friendsofphp/php-cs-fixer": "^2.0",
+                "phpunit/phpunit": "^6.0 || ^7.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.2.x-dev"
+                    "dev-master": "3.2.x-dev"
                 }
             },
             "autoload": {
                 "psr-4": {
                     "Version\\": "src/"
-                },
-                "classmap": [
-                    "src/"
-                ]
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1667,7 +2024,7 @@
                 {
                     "name": "Nikola Poša",
                     "email": "posa.nikola@gmail.com",
-                    "homepage": "http://www.nikolaposa.in.rs"
+                    "homepage": "https://www.nikolaposa.in.rs"
                 }
             ],
             "description": "Value Object that represents a SemVer-compliant version number.",
@@ -1678,7 +2035,7 @@
                 "version",
                 "versioning"
             ],
-            "time": "2018-04-22T08:54:55+00:00"
+            "time": "2019-08-11T08:31:54+00:00"
         },
         {
             "name": "nyholm/nsa",
@@ -1727,6 +2084,68 @@
             ],
             "time": "2017-04-13T17:21:01+00:00"
         },
+        {
+            "name": "nyholm/psr7",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Nyholm/psr7.git",
+                "reference": "701fe7ea8c12c07b985b156d589134d328160cf7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Nyholm/psr7/zipball/701fe7ea8c12c07b985b156d589134d328160cf7",
+                "reference": "701fe7ea8c12c07b985b156d589134d328160cf7",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1",
+                "php-http/message-factory": "^1.0",
+                "psr/http-factory": "^1.0",
+                "psr/http-message": "^1.0"
+            },
+            "provide": {
+                "psr/http-factory-implementation": "1.0",
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "http-interop/http-factory-tests": "dev-master",
+                "php-http/psr7-integration-tests": "dev-master",
+                "phpunit/phpunit": "^7.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
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+            "license": [
+                "MIT"
+            ],
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+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com"
+                },
+                {
+                    "name": "Martijn van der Ven",
+                    "email": "martijn@vanderven.se"
+                }
+            ],
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+            "homepage": "http://tnyholm.se",
+            "keywords": [
+                "psr-17",
+                "psr-7"
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+            "time": "2019-02-16T17:20:43+00:00"
+        },
         {
             "name": "ocramius/package-versions",
             "version": "1.5.1",
@@ -1933,6 +2352,427 @@
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             "time": "2019-02-25T09:17:27+00:00"
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+                    "email": "david@ddeboer.nl"
+                }
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+            "description": "Guzzle 6 HTTP Adapter",
+            "homepage": "http://httplug.io",
+            "keywords": [
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+                "http"
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+                    "email": "mark.sagikazar@gmail.com"
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+                "slim/slim": "Used with Slim Framework PSR-7 implementation",
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+                    "email": "mark.sagikazar@gmail.com"
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+            "keywords": [
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+                "psr-7"
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+            "version": "v1.0.2",
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+            "license": [
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+                    "email": "mark.sagikazar@gmail.com"
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+            "homepage": "http://php-http.org",
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+                "http",
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+                "stream",
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+        },
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+            "version": "v1.0.0",
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+                    "Http\\Promise\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com"
+                },
+                {
+                    "name": "Joel Wurtz",
+                    "email": "joel.wurtz@gmail.com"
+                }
+            ],
+            "description": "Promise used for asynchronous HTTP requests",
+            "homepage": "http://httplug.io",
+            "keywords": [
+                "promise"
+            ],
+            "time": "2016-01-26T13:27:02+00:00"
+        },
         {
             "name": "php-translation/common",
             "version": "1.0.0",
@@ -2388,6 +3228,157 @@
             ],
             "time": "2017-02-14T16:28:37+00:00"
         },
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+            "name": "psr/http-client",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-client.git",
+                "reference": "496a823ef742b632934724bf769560c2a5c7c44e"
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+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-client/zipball/496a823ef742b632934724bf769560c2a5c7c44e",
+                "reference": "496a823ef742b632934724bf769560c2a5c7c44e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0",
+                "psr/http-message": "^1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
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+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Client\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
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+            ],
+            "description": "Common interface for HTTP clients",
+            "homepage": "https://github.com/php-fig/http-client",
+            "keywords": [
+                "http",
+                "http-client",
+                "psr",
+                "psr-18"
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+            "name": "psr/http-factory",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-factory.git",
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+            "license": [
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+            "time": "2019-04-30T12:38:16+00:00"
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+            "version": "1.0.1",
+            "source": {
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+                "url": "https://github.com/php-fig/http-message.git",
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
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+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
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+            "time": "2016-08-06T14:39:51+00:00"
+        },
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             "version": "1.0.0",
@@ -2484,6 +3475,94 @@
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         },
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
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+            "description": "Common interfaces for simple caching",
+            "keywords": [
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+                "caching",
+                "psr",
+                "psr-16",
+                "simple-cache"
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+            "time": "2017-10-23T01:57:42+00:00"
+        },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "time": "2019-03-08T08:55:37+00:00"
+        },
         {
             "name": "s9e/regexp-builder",
             "version": "1.4.3",
@@ -2524,16 +3603,16 @@
         },
         {
             "name": "s9e/text-formatter",
-            "version": "2.1.0",
+            "version": "2.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/s9e/TextFormatter.git",
-                "reference": "6902c1dc06fccea08565b8966c5a2cf01e3bc85f"
+                "reference": "0c6ba01d3a30ee01c3ac7dd66a87712023a88962"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/s9e/TextFormatter/zipball/6902c1dc06fccea08565b8966c5a2cf01e3bc85f",
-                "reference": "6902c1dc06fccea08565b8966c5a2cf01e3bc85f",
+                "url": "https://api.github.com/repos/s9e/TextFormatter/zipball/0c6ba01d3a30ee01c3ac7dd66a87712023a88962",
+                "reference": "0c6ba01d3a30ee01c3ac7dd66a87712023a88962",
                 "shasum": ""
             },
             "require": {
@@ -2545,7 +3624,7 @@
             },
             "require-dev": {
                 "matthiasmullie/minify": "*",
-                "phpunit/phpunit": "^7 || ^8.2"
+                "phpunit/phpunit": "^7 || 8.2.*"
             },
             "suggest": {
                 "ext-curl": "Improves the performance of the MediaEmbed plugin and some JavaScript minifiers",
@@ -2558,7 +3637,7 @@
             },
             "type": "library",
             "extra": {
-                "version": "2.1.0"
+                "version": "2.1.1"
             },
             "autoload": {
                 "psr-4": {
@@ -2588,7 +3667,7 @@
                 "parser",
                 "shortcodes"
             ],
-            "time": "2019-07-24T10:59:43+00:00"
+            "time": "2019-08-05T06:08:54+00:00"
         },
         {
             "name": "sensio/framework-extra-bundle",
@@ -2665,28 +3744,29 @@
         },
         {
             "name": "shivas/versioning-bundle",
-            "version": "3.1.3",
+            "version": "3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/shivas/versioning-bundle.git",
-                "reference": "ff92fb096646a1330f1e72cdd8ed83a581079450"
+                "reference": "757022a2adf5798af13dcc945394ad2400a20ca9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/shivas/versioning-bundle/zipball/ff92fb096646a1330f1e72cdd8ed83a581079450",
-                "reference": "ff92fb096646a1330f1e72cdd8ed83a581079450",
+                "url": "https://api.github.com/repos/shivas/versioning-bundle/zipball/757022a2adf5798af13dcc945394ad2400a20ca9",
+                "reference": "757022a2adf5798af13dcc945394ad2400a20ca9",
                 "shasum": ""
             },
             "require": {
-                "nikolaposa/version": "^2.2",
+                "nikolaposa/version": "^2.2 || ^3.0",
                 "php": "^7.0",
-                "symfony/console": "^3.4|^4.0",
-                "symfony/framework-bundle": "^3.4|^4.0",
-                "symfony/process": "^3.4|^4.0"
+                "symfony/console": "^3.4 || ^4.0",
+                "symfony/framework-bundle": "^3.4 || ^4.0",
+                "symfony/process": "^3.4 || ^4.0"
             },
             "require-dev": {
-                "composer/composer": "^1.0",
-                "phpunit/phpunit": "^5.5"
+                "mikey179/vfsstream": "^1.6",
+                "phpunit/phpunit": "^6.5 || ^7",
+                "symfony/phpunit-bridge": "^4.3"
             },
             "type": "symfony-bundle",
             "autoload": {
@@ -2701,8 +3781,8 @@
             "authors": [
                 {
                     "name": "Audrius Karabanovas",
-                    "email": "audrius@karabanovas.net",
-                    "role": "Developer"
+                    "role": "Developer",
+                    "email": "audrius@karabanovas.net"
                 }
             ],
             "description": "Symfony3|4 application versioning, simple console command to manage version (with providers e.g. git tag) of your application using Semantic Versioning 2.0.0 recommendations",
@@ -2713,7 +3793,7 @@
                 "version",
                 "versioning"
             ],
-            "time": "2018-04-30T06:42:35+00:00"
+            "time": "2019-08-09T17:22:14+00:00"
         },
         {
             "name": "swiftmailer/swiftmailer",
@@ -4492,21 +5572,21 @@
         },
         {
             "name": "symfony/polyfill-intl-icu",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-intl-icu.git",
-                "reference": "999878a3a09d73cae157b0cf89bb6fb2cc073057"
+                "reference": "66810b9d6eb4af54d543867909d65ab9af654d7e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-intl-icu/zipball/999878a3a09d73cae157b0cf89bb6fb2cc073057",
-                "reference": "999878a3a09d73cae157b0cf89bb6fb2cc073057",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-icu/zipball/66810b9d6eb4af54d543867909d65ab9af654d7e",
+                "reference": "66810b9d6eb4af54d543867909d65ab9af654d7e",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3",
-                "symfony/intl": "~2.3|~3.0|~4.0"
+                "symfony/intl": "~2.3|~3.0|~4.0|~5.0"
             },
             "suggest": {
                 "ext-intl": "For best performance"
@@ -4514,7 +5594,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.9-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -4546,20 +5626,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-01-07T19:39:47+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-intl-idn",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-intl-idn.git",
-                "reference": "c766e95bec706cdd89903b1eda8afab7d7a6b7af"
+                "reference": "6af626ae6fa37d396dc90a399c0ff08e5cfc45b2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/c766e95bec706cdd89903b1eda8afab7d7a6b7af",
-                "reference": "c766e95bec706cdd89903b1eda8afab7d7a6b7af",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/6af626ae6fa37d396dc90a399c0ff08e5cfc45b2",
+                "reference": "6af626ae6fa37d396dc90a399c0ff08e5cfc45b2",
                 "shasum": ""
             },
             "require": {
@@ -4573,7 +5653,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.9-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -4589,13 +5669,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                },
                 {
                     "name": "Laurent Bassin",
                     "email": "laurent@bassin.info"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
                 }
             ],
             "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions",
@@ -4608,20 +5688,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-03-04T13:44:35+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609"
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fe5e94c604826c35a32fa832f35bd036b6799609",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
                 "shasum": ""
             },
             "require": {
@@ -4633,7 +5713,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -4667,20 +5747,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-php72",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php72.git",
-                "reference": "ab50dcf166d5f577978419edd37aa2bb8eabce0c"
+                "reference": "04ce3335667451138df4307d6a9b61565560199e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/ab50dcf166d5f577978419edd37aa2bb8eabce0c",
-                "reference": "ab50dcf166d5f577978419edd37aa2bb8eabce0c",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/04ce3335667451138df4307d6a9b61565560199e",
+                "reference": "04ce3335667451138df4307d6a9b61565560199e",
                 "shasum": ""
             },
             "require": {
@@ -4689,7 +5769,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -4722,20 +5802,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-php73",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php73.git",
-                "reference": "d1fb4abcc0c47be136208ad9d68bf59f1ee17abd"
+                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/d1fb4abcc0c47be136208ad9d68bf59f1ee17abd",
-                "reference": "d1fb4abcc0c47be136208ad9d68bf59f1ee17abd",
+                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/2ceb49eaccb9352bff54d22570276bb75ba4a188",
+                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188",
                 "shasum": ""
             },
             "require": {
@@ -4744,7 +5824,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -4780,7 +5860,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/process",
diff --git a/config/packages/nyholm_psr7.yaml b/config/packages/nyholm_psr7.yaml
new file mode 100644
index 00000000..f1357233
--- /dev/null
+++ b/config/packages/nyholm_psr7.yaml
@@ -0,0 +1,21 @@
+services:
+    # Register nyholm/psr7 services for autowiring with PSR-17 (HTTP factories)
+    Psr\Http\Message\RequestFactoryInterface: '@nyholm.psr7.psr17_factory'
+    Psr\Http\Message\ResponseFactoryInterface: '@nyholm.psr7.psr17_factory'
+    Psr\Http\Message\ServerRequestFactoryInterface: '@nyholm.psr7.psr17_factory'
+    Psr\Http\Message\StreamFactoryInterface: '@nyholm.psr7.psr17_factory'
+    Psr\Http\Message\UploadedFileFactoryInterface: '@nyholm.psr7.psr17_factory'
+    Psr\Http\Message\UriFactoryInterface: '@nyholm.psr7.psr17_factory'
+
+    # Register nyholm/psr7 services for autowiring with HTTPlug factories
+    Http\Message\MessageFactory: '@nyholm.psr7.httplug_factory'
+    Http\Message\RequestFactory: '@nyholm.psr7.httplug_factory'
+    Http\Message\ResponseFactory: '@nyholm.psr7.httplug_factory'
+    Http\Message\StreamFactory: '@nyholm.psr7.httplug_factory'
+    Http\Message\UriFactory: '@nyholm.psr7.httplug_factory'
+
+    nyholm.psr7.psr17_factory:
+        class: Nyholm\Psr7\Factory\Psr17Factory
+
+    nyholm.psr7.httplug_factory:
+        class: Nyholm\Psr7\Factory\HttplugFactory
diff --git a/config/services.yaml b/config/services.yaml
index c5542897..47890851 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -37,5 +37,10 @@ services:
         tags:
             - { name: "doctrine.orm.entity_listener" }
 
+    App\Command\UpdateExchangeRatesCommand:
+        arguments:
+            $base_current: '%default_currency%'
+
+
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
diff --git a/src/Command/UpdateExchangeRatesCommand.php b/src/Command/UpdateExchangeRatesCommand.php
new file mode 100644
index 00000000..ce086df0
--- /dev/null
+++ b/src/Command/UpdateExchangeRatesCommand.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Command;
+
+use App\Entity\PriceInformations\Currency;
+use App\Form\AdminPages\CurrencyAdminForm;
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Runner\Exception;
+use Swap\Builder;
+use Swap\Swap;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class UpdateExchangeRatesCommand extends Command
+{
+    protected static $defaultName = 'app:update-exchange-rates';
+
+    protected $base_current;
+    protected $em;
+
+    public function __construct(string $base_current, EntityManagerInterface $entityManager)
+    {
+        //$this->swap = $swap;
+        $this->base_current = $base_current;
+
+        $this->em = $entityManager;
+
+        parent::__construct();
+    }
+
+    protected function configure()
+    {
+        $this
+            ->setDescription('Updates the currency exchange rates.')
+            ->addArgument('iso_code', InputArgument::OPTIONAL | InputArgument::IS_ARRAY, 'The ISO Codes of the currencies that should be updated.')
+            ->addOption('service', null, InputOption::VALUE_REQUIRED,
+                'Which service should be used for requesting the exchange rates (e.g. fixer). See florianv/swap for full list.',
+                'exchange_rates_api')
+            ->addOption('api_key', null, InputOption::VALUE_REQUIRED,
+                'The API key to use for the service.',
+                null);
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        //Check for valid base current
+        if (strlen($this->base_current) !== 3) {
+            $io->error("Choosen Base current is not valid. Check your settings!");
+            return;
+        }
+
+        $io->note('Update currency exchange rates with base currency: ' . $this->base_current);
+
+        $service = $input->getOption('service');
+        $api_key = $input->getOption('api_key');
+
+        //Construct Swap with the given options
+        $swap = (new Builder())
+            ->add($service, ['access_key' => $api_key])
+            ->build();
+
+        //Check what currencies we need to update:
+        $iso_code = $input->getArgument('iso_code');
+        $repo = $this->em->getRepository(Currency::class);
+        $candidates = array();
+
+        if (!empty($iso_code)) {
+            $candidates = $repo->findBy(['iso_code' => $iso_code]);
+        } else {
+            $candidates = $repo->findAll();
+        }
+
+        $success_counter = 0;
+
+        //Iterate over each candidate and update exchange rate
+        foreach ($candidates as $currency) {
+            try {
+                $rate = $swap->latest($currency->getIsoCode() . '/' . $this->base_current);
+                $currency->setExchangeRate($rate->getValue());
+                $io->note(sprintf('Set exchange rate of %s to %f', $currency->getIsoCode(), $currency->getExchangeRate()));
+                $this->em->persist($currency);
+
+                $success_counter++;
+            } catch (\Exchanger\Exception\Exception $ex) {
+                $io->warning(sprintf('Error updating %s:', $currency->getIsoCode()));
+                $io->warning($ex->getMessage());
+            }
+
+        }
+
+        //Save to database
+        $this->em->flush();
+
+        $io->success(sprintf('%d (of %d) currency exchange rates were updated.', $success_counter, count($candidates)));
+    }
+}
diff --git a/src/Form/AdminPages/CurrencyAdminForm.php b/src/Form/AdminPages/CurrencyAdminForm.php
index 75323b2f..56478c11 100644
--- a/src/Form/AdminPages/CurrencyAdminForm.php
+++ b/src/Form/AdminPages/CurrencyAdminForm.php
@@ -52,6 +52,7 @@ class CurrencyAdminForm extends BaseEntityAdminForm
 
         $builder->add('exchange_rate', MoneyType::class, ['required' => false,
             'label' => 'currency.exchange_rate.label', 'currency' => $this->params->get('default_currency'),
+            'scale' => 6,
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
     }
 }
\ No newline at end of file
diff --git a/symfony.lock b/symfony.lock
index e1b7ca09..fa1c9d2b 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -1,4 +1,7 @@
 {
+    "clue/stream-filter": {
+        "version": "v1.4.1"
+    },
     "doctrine/annotations": {
         "version": "1.0",
         "recipe": {
@@ -96,6 +99,12 @@
     "fig/link-util": {
         "version": "1.0.0"
     },
+    "florianv/exchanger": {
+        "version": "1.4.1"
+    },
+    "florianv/swap": {
+        "version": "3.5.0"
+    },
     "friendsofsymfony/ckeditor-bundle": {
         "version": "2.0",
         "recipe": {
@@ -111,6 +120,15 @@
     "gerardojbaez/money": {
         "version": "v0.3.1"
     },
+    "guzzlehttp/guzzle": {
+        "version": "6.3.3"
+    },
+    "guzzlehttp/promises": {
+        "version": "v1.3.1"
+    },
+    "guzzlehttp/psr7": {
+        "version": "1.6.1"
+    },
     "jdorn/sql-formatter": {
         "version": "v1.2.17"
     },
@@ -126,6 +144,18 @@
     "nyholm/nsa": {
         "version": "1.1.0"
     },
+    "nyholm/psr7": {
+        "version": "1.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.0",
+            "ref": "0cd4d2d0e7f646fda75f9944f747a56e6ed13d4c"
+        },
+        "files": [
+            "./config/packages/nyholm_psr7.yaml"
+        ]
+    },
     "ocramius/proxy-manager": {
         "version": "2.1.1"
     },
@@ -141,6 +171,27 @@
             "./config/packages/datatables.yaml"
         ]
     },
+    "php-http/curl-client": {
+        "version": "2.0.0"
+    },
+    "php-http/discovery": {
+        "version": "1.7.0"
+    },
+    "php-http/guzzle6-adapter": {
+        "version": "v2.0.1"
+    },
+    "php-http/httplug": {
+        "version": "v2.0.0"
+    },
+    "php-http/message": {
+        "version": "1.8.0"
+    },
+    "php-http/message-factory": {
+        "version": "v1.0.2"
+    },
+    "php-http/promise": {
+        "version": "v1.0.0"
+    },
     "php-translation/common": {
         "version": "1.0.0"
     },
@@ -180,12 +231,27 @@
     "psr/container": {
         "version": "1.0.0"
     },
+    "psr/http-client": {
+        "version": "1.0.0"
+    },
+    "psr/http-factory": {
+        "version": "1.0.1"
+    },
+    "psr/http-message": {
+        "version": "1.0.1"
+    },
     "psr/link": {
         "version": "1.0.0"
     },
     "psr/log": {
         "version": "1.1.0"
     },
+    "psr/simple-cache": {
+        "version": "1.0.1"
+    },
+    "ralouphie/getallheaders": {
+        "version": "3.0.3"
+    },
     "roave/security-advisories": {
         "version": "dev-master"
     },
diff --git a/templates/AdminPages/CurrencyAdmin.html.twig b/templates/AdminPages/CurrencyAdmin.html.twig
index 283e7ec9..5bc6fd59 100644
--- a/templates/AdminPages/CurrencyAdmin.html.twig
+++ b/templates/AdminPages/CurrencyAdmin.html.twig
@@ -20,7 +20,7 @@
     {{ form_row(form.exchange_rate) }}
     {% if entity.inverseExchangeRate %}
         <span class="form-text text-muted offset-3 col-9">
-        {{ '1'|format_currency(default_currency) }} = {{ entity.inverseExchangeRate | format_currency(entity.isoCode) }}
+        {{ '1'|format_currency(default_currency) }} = {{ entity.inverseExchangeRate | format_currency(entity.isoCode, {fraction_digit: 5}) }}
     </span>
     {% endif %}
 {% endblock %}
\ No newline at end of file