132 lines
3.5 KiB
PHP
132 lines
3.5 KiB
PHP
<?php
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// Router.php
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// Created: 2022-01-18
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// Updated: 2022-02-27
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namespace Index\Routing;
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use InvalidArgumentException;
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/**
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* Provides an application router.
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*/
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class Router {
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private RouteInfo $route;
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/**
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* Constructs a Router object.
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*/
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public function __construct() {
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$this->route = new RouteInfo;
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}
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/**
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* Resolves a request method and uri.
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*
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* @param string $method Request method.
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* @param string $path Request path.
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* @param array $args Arguments to be passed on to the callables.
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* @return RouteCallable A collection of callables representing the route.
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*/
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public function resolve(string $method, string $path, array $args = []): RouteCallable {
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$method = strtolower($method);
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if($method === 'head')
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$method = 'get';
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return $this->route->resolve($method, trim($path, '/'), $args);
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}
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/**
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* Apply middleware functions to a path.
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*
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* @param string $path Path to apply the middleware to.
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* @param callable $handler Middleware function.
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*/
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public function use(string $path, callable $handler): void {
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$this->route->addMiddleware(trim($path, '/'), $handler);
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}
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/**
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* Merges another router with this one with possibility of changing its root.
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*
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* @param string $path Base path to use.
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* @param Router $router Router object to inherit from.
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*/
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public function merge(string $path, Router $router): void {
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$this->route->mergeRoute(trim($path, '/'), $router->route);
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}
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/**
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* Adds a new route.
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*
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* @param string $method Request method.
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function add(string $method, string $path, callable $handler): void {
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if(empty($method))
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throw new InvalidArgumentException('$method may not be empty.');
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$this->route->addMethod($method, trim($path, '/'), $handler);
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}
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/**
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* Adds a new GET route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function get(string $path, callable $handler): void {
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$this->add('get', $path, $handler);
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}
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/**
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* Adds a new POST route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function post(string $path, callable $handler): void {
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$this->add('post', $path, $handler);
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}
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/**
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* Adds a new DELETE route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function delete(string $path, callable $handler): void {
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$this->add('delete', $path, $handler);
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}
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/**
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* Adds a new PATCH route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function patch(string $path, callable $handler): void {
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$this->add('patch', $path, $handler);
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}
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/**
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* Adds a new PUT route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function put(string $path, callable $handler): void {
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$this->add('put', $path, $handler);
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}
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/**
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* Adds a new OPTIONS route.
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*
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* @param string $path Request path.
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* @param callable $handler Request handler.
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*/
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public function options(string $path, callable $handler): void {
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$this->add('options', $path, $handler);
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}
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}
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