Introducing the AppServer -> an abstraction of the webserver

src/www/appserver/AppServer.js

@@ -0,0 +1,73 @@
+import UniversalRouter from 'universal-router';
+import Request from "./Request";
+import Response from "./Response";
+
+
+export default class AppServer {
+  constructor(port) {
+    this.port = port;
+    // Why? because SOLID of this class
+    this.webserver = webserver;
+    this.routes = [];
+    
+    this.initWebserver();
+    this.initRouter();
+  }
+  
+  initWebserver() {
+    this.webserver.onRequest(this.onRequest);
+  }
+  
+  initRouter() {
+    this.router = new UniversalRouter(this.routes);
+  }
+  
+  addRoute(path, callback) {
+    this.routes.push(
+      {
+        path: path,
+        action: () => callback
+      }
+    );
+    this.initRouter();
+  }
+  
+  onRequest(request) {
+    let request =  new Request(
+      request.requestId,
+      request.method,
+      request.path,
+      request.query,
+      request.body,
+      request.headers
+    );
+  
+    let response = new Response(
+      this.webserver,
+      request.requestId
+    );
+    
+    this.router.resolve(
+      request.url
+    ).then(
+      // callback is a function
+      (callback) => {
+        // run the callback with all information we got for the request and the response
+        callback(request, response);
+      }
+    ).catch(
+      (error) => {
+        // if there is an error, just send a not found 404 bljad
+        response.notFound();
+      }
+    );
+  }
+  
+  start() {
+    this.webserver.start();
+  }
+  
+  stop() {
+    this.webserver.stop();
+  }
+}

src/www/appserver/Request.js

@@ -0,0 +1,24 @@
+
+
+
+export default class Request {
+  constructor(
+    requestId,
+    method,
+    body,
+    headers,
+    path,
+    query
+  ) {
+    this.requestId = requestId;
+    this.method = method;
+    this.path = path;
+    this.query = query;
+    this.body = body;
+    this.headers = headers;
+  }
+  
+  get json() {
+    return JSON.parse(this.body);
+  }
+}

src/www/appserver/Response.js

@@ -0,0 +1,51 @@
+
+export default class Response {
+  constructor(
+    webserver,
+    requestId,
+    status=200,
+    body='',
+    headers={
+      'Content-Type': 'text/plain'
+    }
+  ) {
+    this.webserver = webserver;
+    this.requestId = requestId;
+    this.status = status;
+    this.body = body;
+    this.headers = headers;
+  }
+  
+  send() {
+    this.webserver.sendResponse(
+      {
+        status: this.status,
+        body: this.body,
+        headers: this.headers
+      }
+    );
+    return this;
+  }
+  
+  status(status) {
+    this.status(status);
+    return this;
+  }
+  
+  notFound(){
+    return this.status(404).send();
+  }
+  
+  methodNotAllowed() {
+    return this.status(405).send();
+  }
+  
+  ok() {
+    return this.status(200).send();
+  }
+  
+  json(data) {
+    this.body = JSON.stringify(data);
+    return this;
+  }
+}