First commit.

src/Libs/Router.php

@@ -0,0 +1,145 @@
+<?php
+namespace Libs;
+
+use Libs\Request;
+
+class Router{
+  private static $get = [];
+  private static $post = [];
+  private static $put = [];
+  private static $delete = [];
+  private static $last;
+  
+  private function __construct(){}
+  
+  private static function parse($path, $callback){
+    $path = preg_quote($path, '/');
+    $path = preg_replace(
+            ['/\\\{[\w-]+\\\}/s'],
+            ['([^\/]+)'],
+            $path);
+    
+    if (!is_callable($callback)) {
+      $callback = 'Controllers\\'.$callback;
+    }
+    return [
+      'path'=> $path,
+      'callback' => $callback
+    ];
+  }
+  
+  public static function baseURI(){
+    return str_replace($_SERVER['DOCUMENT_ROOT'],'/', ROOT_DIR);
+  }
+  
+  public static function redirect($uri){
+    header('Location: '.self::baseURI().substr($uri,1));
+  }
+  
+  public static function middleware($middleware){ // Solo soporta un middleware a la vez
+    if (!isset(self::$last)) return;
+    
+    $method = self::$last[0];
+    $index = self::$last[1];
+    
+    self::$$method[$index]['middleware'] = 'Middlewares\\'.$middleware;
+  }
+
+  public static function get($path, $callback){
+    self::$get[] = self::parse($path, $callback);
+    self::$last = ['get', count(self::$get)-1];
+    return new static();
+  }
+  
+  private static function params(){
+    $args             = (object) '';
+    $args->get        = new Params($_GET);
+    $args->post       = new Params($_POST);
+    $args->json       = new Params(self::get_json());
+    return $args;
+  }
+  
+  private static function get_json(){
+    $contentType = isset($_SERVER["CONTENT_TYPE"]) ? trim($_SERVER["CONTENT_TYPE"]) : '';
+    if ($contentType === "application/json"){
+      return json_decode(trim(file_get_contents("php://input")));
+    }
+    return (object) '';
+  }
+  
+  public static function post($path, $callback){
+    self::$post[] = self::parse($path, $callback);
+    self::$last   = ['post', count(self::$post)-1];
+    return new static();
+  }
+  
+  public static function put($path, $callback){
+    self::$put[]  = self::parse($path, $callback);
+    self::$last   = ['put', count(self::$put)-1];
+    return new static();
+  }
+  
+  public static function delete($path, $callback){
+    self::$delete[] = self::parse($path, $callback);
+    self::$last     = ['delete', count(self::$put)-1];
+    return new static();
+  }
+  
+  public static function apply(){
+    $uri =  preg_replace('/'.preg_quote(self::baseURI(), '/').'/',
+            '/', strtok($_SERVER['REQUEST_URI'], '?'), 1);
+    $routers = [];
+    switch ($_SERVER['REQUEST_METHOD']){
+      case 'POST':
+        $routers = self::$post;
+        break;
+      case 'PUT':
+        $routers = self::$put;
+        break;
+      case 'DELETE':
+        $routers = self::$delete;
+        break;
+      default:
+        $routers = self::$get;
+        break;
+    }
+    
+    foreach ($routers as $router){
+      if (preg_match_all('/^'.$router['path'].'\/?$/si',$uri, $matches)){
+        unset($matches[0]);
+        $args = self::params();
+        
+        if (isset($matches[1])){
+          $params = [];
+          foreach ($matches as $match){
+            if (!empty($match))
+              $params[] = "$match[0]";
+          }
+          
+          if (isset($router['middleware'])){
+            $middleware = explode('::',$router['middleware']);
+            $data = call_user_func_array($middleware, [$router['callback'], $args, $params]);
+          }else
+            $params[] = $args;
+            $data = call_user_func_array($router['callback'], $params);  
+        }else{
+          if (isset($router['middleware'])){
+            $middleware = explode('::',$router['middleware']);
+            $data = call_user_func_array($middleware, [$router['callback'], $args]);
+          }else
+            $data = call_user_func_array($router['callback'], [$args]);
+        }
+        
+        if (isset($data)){
+          header('Content-Type: application/json');
+          print(json_encode($data));
+        }
+        
+        return;
+      }
+    }
+    header("HTTP/1.0 404 Not Found");
+    echo '<h2 style="text-align: center;margin: 25px 0px;">Error 404 - Página no encontrada</h2>';
+  }
+}
+