First Commit

src/BBRouter/RouteCollection.php

@@ -0,0 +1,278 @@
+<?php
+
+namespace BBRouter;
+
+class RouteCollection{
+
+    private static $_route_collection;
+
+    public $_uri = '/';
+    public $_routes = Array();
+    private $_verb = '';
+
+    private $_loaded_files = Array();
+
+    private $_errors = Array();
+
+
+    //SINGLETON==============================================
+
+    private function __construct(){ }
+
+    private static function newObj(){
+        if (!isset(self::$_route_collection)) {
+            self::$_route_collection = new RouteCollection();
+            self::$_route_collection->_uri = isset( $_GET['uri'] ) ? '/'. $_GET['uri'] : '/';
+            self::$_route_collection->define_verb();
+        }
+        return self::$_route_collection;
+    }
+
+    public function getInstance(){
+        if (!isset(self::$_route_collection)) {
+            return self::newObj();
+        }
+        return self::$_route_collection;
+    }
+
+
+    //HELPERS================================================
+
+    /*
+     * Find route files with names under pathname
+     */
+    public function crawl($basepath = __DIR__, $filenames = Array('Routes.php', 'routes.php') ){
+        $instance = self::getInstance();
+
+        $rdi = new \RecursiveDirectoryIterator($basepath);
+
+        foreach(new \RecursiveIteratorIterator($rdi) as $file){
+            foreach ($filenames as $filename) {
+                if( strpos($file, $filename) ){
+                    $instance->_loaded_files[] = $file;
+                }
+            }
+        }
+
+        return $instance;
+    }
+
+    /*
+     * Load the files with the routes
+     */
+    function load_routes(){
+        $instance = self::getInstance();
+
+        foreach ($instance->_loaded_files as $loaded_file){
+            include $loaded_file;
+        }
+        return $instance;
+    }
+
+    /*
+     * GET | POST | PUT | PATCH | DELETE
+     *
+     */
+    private function define_verb(){
+
+        $verbs_whitelist = Array('*', 'GET','POST','PUT','PATCH','DELETE', 'CLI');
+        $verb = '';
+	
+        if(isset($_POST['_method'])){
+            $verb = $_POST['_method'];
+        }else if(php_sapi_name() == "cli"){
+            $verb = "CLI";
+        }else{
+            $verb = $_SERVER['REQUEST_METHOD'];
+	}
+
+        if(in_array($verb, $verbs_whitelist)){
+            $this->_verb = $verb;
+        }else{
+            echo 'Invalid HTTP Verb';
+        }
+    }
+
+    /*
+     *
+     */
+    private function sort_routes(){
+        usort($this->_routes, function($a, $b){
+            if ($a->_weight == $b->_weight) {
+                return 0;
+            }
+            return ($a->_weight < $b->_weight) ? -1 : 1;
+        });
+    }
+
+    /*
+     * Dispatch routes
+     */
+    function submit(){
+        global $ROUTE;
+
+        self::$_route_collection->sort_routes();
+
+        $one_hit = false;
+
+        foreach (self::$_route_collection->_routes as $route){
+
+            if(!in_array( self::$_route_collection->_verb, $route->_verb) && !in_array( '*', $route->_verb) ){
+                //No it is not
+                continue;
+            }
+
+            //Request match a route
+            $match = $route->match(self::$_route_collection->_uri);
+
+            if($match){
+                //Yup. Execute the route
+
+                $ROUTE = $route;
+                $route->execute();
+
+                if(!$route->_ignore){
+                    $one_hit = true;
+                }
+
+                if($route->_http_error){
+                    $this->http_error($route->_http_error);
+                    return;
+                }
+
+                //If Executed, interrupt route chain?
+                if($route->_block){
+                    return;
+                }
+            }
+        }
+
+        if(!$one_hit){
+            $info = new \stdClass();
+            $info->code = 404;
+            $info->message = 'Not Found';
+            self::$_route_collection->http_error($info);
+        }
+    }
+
+    //DEFINITORS=============================================
+
+    static function get($uri, $callback, $weight = 0){
+        $route = new Route();
+        $route->_verb[] = 'GET';
+
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    static function post($uri, $callback, $weight = 0){
+        $route = new Route();
+        $route->_verb[] = 'POST';
+
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    static function put($uri, $callback, $weight = 0){
+        $route = new Route();
+        $route->_verb[] = 'PUT';
+
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    static function patch($uri, $callback, $weight = 0){
+        $route = new Route();
+        $route->_verb[] = 'PATCH';
+
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    static function delete($uri, $callback, $weight = 0){
+        $route = new Route();
+        $route->_verb[] = 'DELETE';
+
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    static function resource($uri){
+        throw new Exception('Not implemented');
+    }
+
+    /*
+     *
+     */
+    static function add($verb, $uri, $callback, $weight = 0){
+        $route = new Route();
+
+        if(is_array( $verb ) ){
+            $route->_verb = $verb;
+        }else{
+            $route->_verb[] = $verb;
+        }
+        $route->_uri = $uri;
+        $route->_callback[] = $callback;
+        $route->_weight = $weight;
+        $route->prepare();
+
+        self::getInstance()->_routes[] = $route;
+
+        return $route;
+    }
+
+    /*
+     *
+     */
+    function addRoute(Route $route){
+        $this->_routes[] = $route;
+    }
+
+    static function on_http_error($function){
+        $instance = self::getInstance();
+        $instance->_errors[] = $function;
+    }
+
+    /*
+     *
+     */
+    private function http_error(\stdClass $info){
+        $info = (array) $info;
+        foreach ($this->_errors as $error) {
+            call_user_func_array($error, $info);
+        }
+
+
+    }
+}