Response.class.php

<?php
class Response
{
    protected $code;
    protected $body;

    public function __construct($code = 404, $msg = "")
    {
        $this->code = $code;
        $this->body = $msg;
    }

    public static function errorResponse($message = "")
    {
        return new Response(400, $message);
    }

    public static function serverErrorResponse($message = "")
    {
        return new Response(500, $message);
    }

    public static function okResponse($message = "")
    {
        return new Response(200, $message);
    }

    public static function createdResponse($message = "")
    {
        return new Response(201, $message);
    }

    public static function notFoundResponse($message = "")
    {
        return new Response(404, $message);
    }

    public static function errorInParametersResponse($message = "")
    {
        return new Response(400, $message);
    }
   
    public static function unauthorizedResponse($message = "")
    {
        return new Response(401, $message);
    }

    public static function interceptEchos()
    {
        ob_start();
    }

    public static function getEchos()
    {
        return ob_get_clean();
    }

    public function send()
    {
        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
        header("Access-Control-Allow-Origin: *");

        header("Content-Type: application/json; charset=UTF-8");

        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Methods
        header("Access-Control-Allow-Methods: GET,POST,PUT,DELETE");

        header("Access-Control-Max-Age: 3600"); // Maximum number of seconds the results can be cached.

        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers
        header("Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With");

        http_response_code($this->code);
        echo $this->body;
        exit; // do we keep that?
    }

    public function getCode(){
        return $this->code;
    }
}