jacobemerick/web

<?php

Loader::load('utility', array(
    'Header',
    'Request'));

abstract class AJAXController
{

    private static $RESPONSE_HEADER = 'sendJSON';

    private $response = array();

    abstract protected function set_data();

    function __construct() {}

    public function activate()
    {
        call_user_func(array('Header', self::$RESPONSE_HEADER));
        
        $this->set_data();
        echo $this->response_as_json();
    }

    protected function set_response($message, $type = 'internal')
    {
        switch($type)
        {
            case 'internal' :
                $this->response['internal'] = $message;
            break;
            case 'error' :
                $this->response['error'] = $message;
            default :
                $this->response[$type] = $message;
            break;
        }
    }

    protected function fail_response($message)
    {
        $this->set_response($message, 'error');
        return false;
    }

    protected function eject($message)
    {
        $this->fail_response($message);
        echo $this->response_as_json();
        exit();
    }

    private function response_as_json()
    {
        return json_encode($this->response);
    }

}

?>