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-rw-r--r--src/Helpers/TranslationServiceProvider.php58
-rw-r--r--src/Helpers/Translator.php105
-rw-r--r--src/Middleware/SetLocale.php49
-rw-r--r--src/helpers.php35
4 files changed, 247 insertions, 0 deletions
diff --git a/src/Helpers/TranslationServiceProvider.php b/src/Helpers/TranslationServiceProvider.php
new file mode 100644
index 00000000..9d86df7d
--- /dev/null
+++ b/src/Helpers/TranslationServiceProvider.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace Engelsystem\Helpers;
+
+use Engelsystem\Config\Config;
+use Engelsystem\Container\ServiceProvider;
+use Symfony\Component\HttpFoundation\Session\Session;
+
+class TranslationServiceProvider extends ServiceProvider
+{
+ public function register()
+ {
+ /** @var Config $config */
+ $config = $this->app->get('config');
+ /** @var Session $session */
+ $session = $this->app->get('session');
+
+ $locales = $config->get('locales');
+ $locale = $config->get('default_locale');
+
+ $sessionLocale = $session->get('locale', $locale);
+ if (isset($locales[$sessionLocale])) {
+ $locale = $sessionLocale;
+ }
+
+ $this->initGettext();
+ $session->set('locale', $locale);
+
+ $translator = $this->app->make(
+ Translator::class,
+ ['locale' => $locale, 'locales' => $locales, 'localeChangeCallback' => [$this, 'setLocale']]
+ );
+ $this->app->instance(Translator::class, $translator);
+ $this->app->instance('translator', $translator);
+ }
+
+ /**
+ * @param string $textDomain
+ * @param string $encoding
+ * @codeCoverageIgnore
+ */
+ protected function initGettext($textDomain = 'default', $encoding = 'UTF-8')
+ {
+ bindtextdomain($textDomain, $this->app->get('path.lang'));
+ bind_textdomain_codeset($textDomain, $encoding);
+ textdomain($textDomain);
+ }
+
+ /**
+ * @param string $locale
+ * @codeCoverageIgnore
+ */
+ public function setLocale($locale)
+ {
+ putenv('LC_ALL=' . $locale);
+ setlocale(LC_ALL, $locale);
+ }
+}
diff --git a/src/Helpers/Translator.php b/src/Helpers/Translator.php
new file mode 100644
index 00000000..1e953a21
--- /dev/null
+++ b/src/Helpers/Translator.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace Engelsystem\Helpers;
+
+class Translator
+{
+ /** @var string[] */
+ protected $locales;
+
+ /** @var string */
+ protected $locale;
+
+ /** @var callable */
+ protected $localeChangeCallback;
+
+ /**
+ * Translator constructor.
+ *
+ * @param string $locale
+ * @param string[] $locales
+ * @param callable $localeChangeCallback
+ */
+ public function __construct(string $locale, array $locales = [], callable $localeChangeCallback = null)
+ {
+ $this->localeChangeCallback = $localeChangeCallback;
+
+ $this->setLocale($locale);
+ $this->setLocales($locales);
+ }
+
+ /**
+ * Get the translation for a given key
+ *
+ * @param string $key
+ * @param array $replace
+ * @return string
+ */
+ public function translate(string $key, array $replace = []): string
+ {
+ $translated = $this->translateGettext($key);
+
+ if (!empty($replace)) {
+ $translated = call_user_func_array('sprintf', array_merge([$translated], $replace));
+ }
+
+ return $translated;
+ }
+
+ /**
+ * Translate the key via gettext
+ *
+ * @param string $key
+ * @return string
+ * @codeCoverageIgnore
+ */
+ protected function translateGettext(string $key): string
+ {
+ return _($key);
+ }
+
+ /**
+ * @return string
+ */
+ public function getLocale(): string
+ {
+ return $this->locale;
+ }
+
+ /**
+ * @param string $locale
+ */
+ public function setLocale(string $locale)
+ {
+ $this->locale = $locale;
+
+ if (is_callable($this->localeChangeCallback)) {
+ call_user_func_array($this->localeChangeCallback, [$locale]);
+ }
+ }
+
+ /**
+ * @return string[]
+ */
+ public function getLocales(): array
+ {
+ return $this->locales;
+ }
+
+ /**
+ * @param string $locale
+ * @return bool
+ */
+ public function hasLocale(string $locale): bool
+ {
+ return isset($this->locales[$locale]);
+ }
+
+ /**
+ * @param string[] $locales
+ */
+ public function setLocales(array $locales)
+ {
+ $this->locales = $locales;
+ }
+}
diff --git a/src/Middleware/SetLocale.php b/src/Middleware/SetLocale.php
new file mode 100644
index 00000000..86fa0b7f
--- /dev/null
+++ b/src/Middleware/SetLocale.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Engelsystem\Middleware;
+
+use Engelsystem\Helpers\Translator;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Symfony\Component\HttpFoundation\Session\Session;
+
+class SetLocale implements MiddlewareInterface
+{
+ /** @var Translator */
+ protected $translator;
+
+ /** @var Session */
+ protected $session;
+
+ /**
+ * @param Translator $translator
+ * @param Session $session
+ */
+ public function __construct(Translator $translator, Session $session)
+ {
+ $this->translator = $translator;
+ $this->session = $session;
+ }
+
+ /**
+ * Process an incoming server request and setting the locale if required
+ *
+ * @param ServerRequestInterface $request
+ * @param RequestHandlerInterface $handler
+ * @return ResponseInterface
+ */
+ public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+ {
+ $query = $request->getQueryParams();
+ if (isset($query['set-locale']) && $this->translator->hasLocale($query['set-locale'])) {
+ $locale = $query['set-locale'];
+
+ $this->translator->setLocale($locale);
+ $this->session->set('locale', $locale);
+ }
+
+ return $handler->handle($request);
+ }
+}
diff --git a/src/helpers.php b/src/helpers.php
index 336f81fe..3a182bf7 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -3,6 +3,7 @@
use Engelsystem\Application;
use Engelsystem\Config\Config;
+use Engelsystem\Helpers\Translator;
use Engelsystem\Http\Request;
use Engelsystem\Http\Response;
use Engelsystem\Http\UrlGenerator;
@@ -119,6 +120,40 @@ function session($key = null, $default = null)
}
/**
+ * Translate the given message
+ *
+ * @param string $key
+ * @param array $replace
+ * @return string|Translator
+ */
+function trans($key = null, $replace = [])
+{
+ /** @var Translator $translator */
+ $translator = app('translator');
+
+ if (is_null($key)) {
+ return $translator;
+ }
+
+ return $translator->translate($key, $replace);
+}
+
+/**
+ * Translate the given message
+ *
+ * @param string $key
+ * @param array $replace
+ * @return string
+ */
+function __($key, $replace = [])
+{
+ /** @var Translator $translator */
+ $translator = app('translator');
+
+ return $translator->translate($key, $replace);
+}
+
+/**
* @param string $path
* @param array $parameters
* @return UrlGenerator|string