61 lines
1.6 KiB
PHP
61 lines
1.6 KiB
PHP
<?php
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/**
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* LocaleMiddleware class.
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*/
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namespace Alltube;
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use Slim\Http\Request;
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use Slim\Http\Response;
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use Teto\HTTP\AcceptLanguage;
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/**
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* Detect user locale.
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*/
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class LocaleMiddleware
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{
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/**
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* Supported locales.
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*
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* @var array
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*/
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private $locales = ['fr_FR', 'zh_CN'];
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/**
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* Test if a locale can be used for the current user.
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*
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* @param array $proposedLocale Locale array created by AcceptLanguage::parse()
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*
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* @return string Locale name if chosen, nothing otherwise
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*/
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public function testLocale(array $proposedLocale)
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{
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foreach ($this->locales as $locale) {
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$parsedLocale = AcceptLanguage::parse($locale);
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if (isset($proposedLocale['language'])
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&& $parsedLocale[1]['language'] == $proposedLocale['language']
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&& $parsedLocale[1]['region'] == $proposedLocale['region']
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) {
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return $proposedLocale['language'].'_'.$proposedLocale['region'];
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}
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}
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}
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/**
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* Main middleware function
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*
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* @param Request $request PSR request
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* @param Response $response PSR response
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* @param callable $next Next middleware
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*
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* @return Response
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*/
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public function __invoke(Request $request, Response $response, callable $next)
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{
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$headers = $request->getHeader('Accept-Language');
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$locale = AcceptLanguage::detect([$this, 'testLocale'], 'en_US', $headers[0]);
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putenv('LANG='.$locale);
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setlocale(LC_ALL, [$locale, $locale.'.utf8']);
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return $next($request, $response);
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}
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}
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