Services/StatusReporter.php

   1 <?php
   2
   3 namespace Services;
   4
   5 use Exception;
   6 use Services\Http\IHttpResponse;
   7 use Services\IStatusReporter;
   8
   9 class StatusReporter implements IStatusReporter
  10 {
  11     private $_messages = array();
  12     private $_type;
  13     private $_response;
  14
  15     const ERROR = 'error';
  16     const SUCCESS = 'success';
  17     const EXCEPTION = 'exception';
  18
  19     public function __construct(IHttpResponse $response) {
  20         $this->_response = $response;
  21     }
  22
  23     public function error($message = null)
  24     {
  25         if($message) $this->addMessage($message);
  26         $this->_type = self::ERROR;
  27         $this->_response->setHeader('Content-Type', 'application/json')
  28                         ->setBody($this->json())
  29                         ->sendResponse();
  30         exit();
  31     }
  32
  33     public function success($message = null)
  34     {
  35         if($message) $this->addMessage($message);
  36         $this->_type = self::SUCCESS;
  37         $this->_response->setHeader('Content-Type', 'application/json')
  38                         ->setBody($this->json())
  39                         ->sendResponse();
  40         exit();
  41     }
  42
  43     public function addMessage($message)
  44     {
  45         $this->_messages[] = $message;;
  46     }
  47
  48     //no need to exit here, exceptions stop the program.
  49     public static function exception(Exception $exception)
  50     {
  51         //we'll be instatic context here so I have to do it this way.
  52         header('Content-Type: application/json');
  53         echo json_encode(array(
  54             'status' => self::EXCEPTION,
  55             'messages' => array($exception->getMessage())));
  56     }
  57
  58     public function json()
  59     {
  60         return json_encode(
  61             array(
  62                 'status' => $this->_type,
  63                 'messages' => $this->_messages)
  64         );
  65     }
  66 }