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MVC Architecture Demo App

 import QtQuick
 import Felgo

 Item {

   // loading state
   readonly property bool busy: HttpNetworkActivityIndicator.enabled

   // configure request timeout
   property int maxRequestTimeout: 5000

   // initialization
   Component.onCompleted: {
     // immediately activate loading indicator when a request is started
     HttpNetworkActivityIndicator.setActivationDelay(0)
   }

   // private
   QtObject {
     id: _
     property string todoUrl: "https://jsonplaceholder.typicode.com/todos"

     function fetch(url, success, error) {
       HttpRequest.get(url)
       .timeout(maxRequestTimeout)
       .then(function(res) { success(res.body) })
       .catch(function(err) { error(err) });
     }

     function post(url, data, success, error) {
       HttpRequest.post(url)
       .timeout(maxRequestTimeout)
       .set('Content-Type', 'application/json')
       .send(data)
       .then(function(res) { success(res.body) })
       .catch(function(err) { error(err) });
     }
   }

   // public rest api functions

   function getTodos(success, error) {
     _.fetch(_.todoUrl, success, error)
   }

   function getTodoById(id, success, error) {
     _.fetch(_.todoUrl+"/"+id, success, error)
   }

   function addTodo(todo, success, error) {