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<?php |
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/* |
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* This file is part of the Borobudur-Kernel package. |
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* |
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* (c) Hexacodelabs <http://hexacodelabs.com> |
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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 Borobudur\Kernel\Middleware; |
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use Borobudur\Http\Request; |
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use Borobudur\Http\Response; |
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use Borobudur\Routing\RequestContext; |
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use Closure; |
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/** |
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* @author Iqbal Maulana <[email protected]> |
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* @created 8/15/15 |
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*/ |
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class MiddlewareInvoker |
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{ |
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/** |
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* @var array |
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*/ |
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private $excepts = array(); |
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/** |
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* @var array |
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*/ |
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private $only = array(); |
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/** |
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* @var MiddlewareInterface |
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*/ |
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private $middleware; |
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/** |
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* Constructor. |
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* |
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* @param MiddlewareInterface $middleware |
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*/ |
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public function __construct(MiddlewareInterface $middleware) |
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{ |
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$this->middleware = $middleware; |
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} |
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/** |
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* Do not invoke middleware for specified actions. |
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* |
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* @param array $actions |
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* |
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* @return $this |
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*/ |
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public function except(array $actions) |
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{ |
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if (!empty($actions)) { |
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$this->excepts = $actions; |
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} |
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return $this; |
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} |
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/** |
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* Invoke middleware only for specified actions. |
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* |
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* @param array $actions |
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* |
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* @return $this |
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*/ |
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public function only(array $actions) |
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{ |
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if (!empty($actions)) { |
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$this->only = $actions; |
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} |
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return $this; |
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} |
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/** |
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* Invoke middleware. |
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* |
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* @param Request $request |
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* @param RequestContext $context |
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* @param Closure $next |
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* @param string|null $action |
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* |
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* @return Response|null |
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*/ |
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public function __invoke(Request $request, RequestContext $context, Closure $next, $action = null) |
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{ |
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if (null !== $action) { |
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if ($this->isExcept($action)) { |
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return $next(); |
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} |
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if ($this->isNotOnly($action)) { |
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return $next(); |
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} |
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} |
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return $this->middleware->handle($request, $context, $next); |
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} |
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/** |
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* Check if action in exception. |
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* |
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* @param string|null $action |
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* |
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* @return bool |
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*/ |
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private function isExcept($action) |
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{ |
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return !empty($this->excepts) && in_array($action, $this->excepts); |
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} |
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/** |
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* Check if action in not only execute. |
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* |
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* @param string $action |
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* |
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* @return bool |
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*/ |
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private function isNotOnly($action) |
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{ |
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return !empty($this->only) && !in_array($action, $this->only); |
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} |
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} |
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borobudur-php /
borobudur-kernel
