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<?php |
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declare(strict_types=1); |
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namespace Gacela\Router; |
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use Closure; |
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use Exception; |
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use Gacela\Container\Container; |
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use Gacela\Router\Entities\Route; |
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use Gacela\Router\Exceptions\NotFound404Exception; |
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use ReflectionFunction; |
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use function get_class; |
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use function is_callable; |
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use function is_null; |
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final class Router |
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{ |
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private Routes $routes; |
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private Bindings $bindings; |
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private Handlers $handlers; |
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public function __construct( |
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Closure $fn = null, |
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) { |
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$this->routes = new Routes(); |
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$this->bindings = new Bindings(); |
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$this->handlers = new Handlers(); |
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if (!is_null($fn)) { |
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$this->configure($fn); |
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} |
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} |
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public function configure(Closure $fn): self |
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{ |
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$params = array_map(fn ($param) => match ((string)$param->getType()) { |
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Routes::class => $this->routes, |
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Bindings::class => $this->bindings, |
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Handlers::class => $this->handlers, |
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default => null, |
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}, (new ReflectionFunction($fn))->getParameters()); |
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$fn(...$params); |
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return $this; |
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} |
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public function run(): void |
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{ |
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try { |
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echo self::findRoute($this->routes)->run($this->bindings); |
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} catch (Exception $exception) { |
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echo self::handleException($this->handlers, $exception); |
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} |
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} |
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private static function findRoute(Routes $routes): Route |
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{ |
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foreach ($routes->getAllRoutes() as $route) { |
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if ($route->requestMatches()) { |
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return $route; |
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} |
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} |
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throw new NotFound404Exception(); |
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} |
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private static function handleException(Handlers $handlers, Exception $exception): string |
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{ |
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$handler = self::findHandler($handlers, $exception); |
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if (is_callable($handler)) { |
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return $handler($exception); |
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} |
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/** @var mixed $instance */ |
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$instance = Container::create($handler); |
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if (is_callable($instance)) { |
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return $instance($exception); |
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} |
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return ''; |
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} |
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/** |
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* @return callable|class-string |
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*/ |
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private static function findHandler(Handlers $handlers, Exception $exception): string|callable |
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{ |
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return $handlers->getAllHandlers()[get_class($exception)] |
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?? $handlers->getAllHandlers()[Exception::class]; |
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} |
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} |
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gacela-project /
router
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