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<?php |
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namespace Thruster\Component\HttpRouter; |
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use FastRoute\BadRouteException; |
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use FastRoute\Dispatcher; |
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use FastRoute\RouteParser; |
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use FastRoute\DataGenerator; |
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use FastRoute\RouteCollector; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Thruster\Component\HttpRouter\Exception\InvalidRouteOptionsException; |
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use Thruster\Component\HttpRouter\Exception\RouteNotFoundException; |
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use Thruster\Component\HttpRouter\Exception\RouteMethodNotAllowedException; |
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/** |
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* Class Router |
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* |
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* @package Thruster\Component\HttpRouter |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class Router |
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{ |
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/** |
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* @var array |
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*/ |
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protected $options; |
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/** |
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* @var array |
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*/ |
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protected $routes; |
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/** |
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* @var RouteableInterface |
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*/ |
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protected $handler; |
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/** |
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* @var RouteCollector |
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*/ |
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protected $routeCollector; |
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/** |
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* @var Dispatcher |
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*/ |
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protected $dispatcher; |
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public function __construct(RouteableInterface $handler, array $options = []) |
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{ |
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$options += [ |
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'route_parser' => 'FastRoute\\RouteParser\\Std', |
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'data_generator' => 'FastRoute\\DataGenerator\\GroupCountBased', |
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'dispatcher' => 'FastRoute\\Dispatcher\\GroupCountBased', |
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'route_collector' => 'FastRoute\\RouteCollector', |
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]; |
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$this->routes = []; |
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$this->handler = $handler; |
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$this->options = $options; |
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} |
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public function buildRoutes() |
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{ |
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$routeCollection = $this->getRouteCollector(); |
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foreach ($this->handler->getRoutes() as $name => $options) { |
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if (count($options) < 3) { |
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throw new InvalidRouteOptionsException($name); |
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} |
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$handler = array_pop($options); |
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if (is_string($handler)) { |
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$handler = [$this->handler, $handler]; |
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} |
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$this->routes[$name] = $handler; |
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$route = array_pop($options); |
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try { |
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$routeCollection->addRoute($options, $route, $name); |
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} catch (BadRouteException $e) { |
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throw new InvalidRouteOptionsException($name, $e); |
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} |
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} |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* |
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* @return ResponseInterface |
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* @throws RouteMethodNotAllowedException |
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* @throws RouteNotFoundException |
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*/ |
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public function handleRequest(ServerRequestInterface $request) : ResponseInterface |
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{ |
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$dispatcher = $this->getDispatcher(); |
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$uri = $request->getUri(); |
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$route = $dispatcher->dispatch($request->getMethod(), $uri->getPath()); |
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switch ($route[0]) { |
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case Dispatcher::NOT_FOUND: |
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throw new RouteNotFoundException($request); |
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case Dispatcher::METHOD_NOT_ALLOWED: |
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throw new RouteMethodNotAllowedException($request, $route[1]); |
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case Dispatcher::FOUND: |
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$request = $request |
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->withAttribute('route_name', $route[1]) |
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->withAttribute('route_params', $route[2]); |
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return call_user_func($this->routes[$route[1]], $request); |
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} |
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throw new \LogicException('Should not reach this point'); |
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} |
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/** |
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* @return Dispatcher |
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*/ |
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public function getDispatcher() : Dispatcher |
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{ |
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if ($this->dispatcher) { |
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return $this->dispatcher; |
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} |
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$this->dispatcher = new $this->options['dispatcher']( |
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$this->getRouteData() |
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); |
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return $this->dispatcher; |
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} |
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/** |
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* @param Dispatcher $dispatcher |
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* |
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* @return $this |
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*/ |
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public function setDispatcher(Dispatcher $dispatcher) : self |
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{ |
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$this->dispatcher = $dispatcher; |
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return $this; |
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} |
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/** |
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* @return RouteCollector |
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*/ |
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public function getRouteCollector() : RouteCollector |
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{ |
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if ($this->routeCollector) { |
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return $this->routeCollector; |
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} |
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$this->routeCollector = new $this->options['route_collector']( |
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new $this->options['route_parser'](), new $this->options['data_generator']() |
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); |
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return $this->routeCollector; |
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} |
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/** |
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* @param RouteCollector $routeCollector |
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* |
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* @return $this |
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*/ |
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public function setRouteCollector(RouteCollector $routeCollector) : self |
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{ |
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$this->routeCollector = $routeCollector; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getRouteData() : array |
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{ |
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$this->buildRoutes(); |
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return $this->getRouteCollector()->getData(); |
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} |
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} |
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