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<?php |
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/** |
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* This file is part of slick/web_stack package |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\WebStack\Http\Server; |
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use Interop\Http\Server\MiddlewareInterface; |
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use Interop\Http\Server\RequestHandlerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Slick\Template\Template; |
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use Slick\WebStack\Service\FlashMessages; |
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/** |
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* Flash Messages Middleware |
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* |
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* @package Slick\WebStack\Http\Server |
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*/ |
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class FlashMessagesMiddleware implements MiddlewareInterface |
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{ |
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/** |
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* @var FlashMessages |
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*/ |
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private $flashMessages; |
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/** |
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* Creates a Flash Messages Middleware |
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* |
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* @param FlashMessages $flashMessages |
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*/ |
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public function __construct(FlashMessages $flashMessages) |
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{ |
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Template::appendPath(dirname(dirname(dirname(__DIR__))).'/templates'); |
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$this->flashMessages = $flashMessages; |
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} |
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/** |
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* Process an incoming server request and return a response, optionally delegating |
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* response creation to a handler. |
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* |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) |
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{ |
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$request = $request->withAttribute('viewData', $this->merge($request, ['flashMessages' => $this->flashMessages])); |
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return $handler->handle($request); |
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} |
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/** |
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* Merges any existing view data in the request with the provided one |
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* |
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* @param ServerRequestInterface $request |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private function merge(ServerRequestInterface $request, array $data) |
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{ |
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$existing = $request->getAttribute('viewData', []); |
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return array_merge($existing, $data); |
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} |
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} |
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slickframework /
web-stack
