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| <?php declare(strict_types=1); | |
| /** | |
| * Copyright (c) 2017 Holger Woltersdorf & Contributors | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| */ | |
| namespace IceHawk\IceHawk\RequestHandlers; | |
| use IceHawk\IceHawk\Constants\HandlerMethodInterfaceMap; | |
| use IceHawk\IceHawk\Interfaces\HandlesRequest; | |
| use IceHawk\IceHawk\Responses\Options; | |
| use IceHawk\IceHawk\Routing\Interfaces\RoutesToHandler; | |
| use IceHawk\IceHawk\Routing\OptionsRouter; | |
| /** | |
| * Class OptionsRequestHandler | |
| * @package IceHawk\IceHawk\RequestHandlers | |
| */ | |
| final class OptionsRequestHandler extends AbstractRequestHandler | |
| { | |
| public function handleRequest() | |
| { | |
| $allowedRequestMethods = $this->getOptions(); | |
| (new Options( $allowedRequestMethods ))->respond(); | |
| } | |
| private function getOptions() : array | |
| { | |
| $handlerRoutes = $this->getHandlerRoutes(); | |
| $requestMethods = []; | |
| foreach ( $handlerRoutes as $handlerRoute ) | |
| { | |
| $handler = $handlerRoute->getRequestHandler(); | |
| foreach ( $this->getImplementedRequestMethods( $handler ) as $requestMethod ) | |
| { | |
| $requestMethods[] = $requestMethod; | |
| } | |
| } | |
| return $requestMethods; | |
| } | |
| private function getHandlerRoutes() : array | |
| { | |
| $readRoutes = $this->config->getReadRoutes(); | |
| $writeRoutes = $this->config->getWriteRoutes(); | |
| $uri = $this->requestInfo->getUri(); | |
| $matchingReadRoutes = $this->getMatchingRoutes( $uri, $readRoutes ); | |
| $matchingWriteRoutes = $this->getMatchingRoutes( $uri, $writeRoutes ); | |
| return array_merge( $matchingReadRoutes, $matchingWriteRoutes ); | |
| } | |
| /** | |
| * @param string $uri | |
| * @param array|\Traversable $routes | |
| * | |
| * @return array|RoutesToHandler[] | |
| * @throws \IceHawk\IceHawk\Routing\Exceptions\RoutesAreNotTraversable | |
| */ | |
| private function getMatchingRoutes( string $uri, $routes ) : array | |
| { | |
| $router = new OptionsRouter( $routes ); | |
| return $router->findMatchingRoutes( $uri ); | |
| } | |
| private function getImplementedRequestMethods( HandlesRequest $handler ) : array | |
| { | |
| $requestMethods = []; | |
| foreach ( HandlerMethodInterfaceMap::HTTP_METHODS as $requestMethod => $interface ) | |
| { | |
| if ( $handler instanceof $interface ) | |
| { | |
| $requestMethods[] = $requestMethod; | |
| } | |
| } | |
| return $requestMethods; | |
| } | |
| } |