<?php
namespace BitApps\WPKit\Http;
final class Response
{
const SUCCESS = 'success';
const ERROR = 'error';
private static $_instance;
private static $_message;
private static $_status;
private static $_code;
private static $_data;
private static $_httpStatus;
private static $_headers = [];
public static function instance()
{
if (\is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Sets data for success response.
*
* @param mixed $data Data to return on response
*
* @return self
*/
public static function success($data)
{
self::$_data = $data;
self::$_status = self::SUCCESS;
return self::instance();
}
/**
* Sets data for error response.
*
* @param mixed $data Data to return on response
*
* @return self
*/
public static function error($data)
{
self::$_data = $data;
self::$_status = self::ERROR;
return self::instance();
}
/**
* Returns data for response.
*
* @return mixed $_data
*/
public static function getData()
{
return self::$_data;
}
/**
* Returns status for response.
*
* @return string $_status
*/
public static function getStatus()
{
return self::$_status;
}
/**
* Sets message for response.
*
* @param string $message Data to return on response
*
* @return self
*/
public static function message($message)
{
self::$_message = $message;
return self::instance();
}
/**
* Returns message response.
*
* @return mixed $_message
*/
public static function getMessage()
{
return self::$_message;
}
/**
* Sets code for response.
*
* @param string $code status code to return on response
*
* @return self
*/
public static function code($code)
{
self::$_code = $code;
return self::instance();
}
/**
* Returns status code response.
*
* @return mixed $_code
*/
public static function getCode()
{
if (!isset(self::$_code)) {
return strtoupper(self::$_status);
}
return self::$_code;
}
/**
* Sets http status code for response.
*
* @param string $code http status code to return on response
*
* @return self
*/
public static function httpStatus($code)
{
self::$_httpStatus = $code;
return self::instance();
}
/**
* Returns status code response.
*
* @return mixed $_httpStatus
*/
public static function getHttpStatusCode()
{
$statusCode = self::$_httpStatus;
if (!$statusCode) {
$statusCode = self::ERROR === self::$_status ? 400 : 200;
}
return $statusCode;
}
/**
* Sets http headers for response.
*
* @param string $headers http headers to return on response
*
* @return self
*/
public static function headers($headers)
{
self::$_headers = $headers;
return self::instance();
}
/**
* Sets http headers for response.
*
* @param string $header http header
* @param string $value
*
* @return self
*/
public static function header($header, $value)
{
self::$_headers[$header] = $value;
return self::instance();
}
/**
* Returns headers for response.
*
* @return array $_headers
*/
public static function getHeaders()
{
return self::$_headers;
}
}