guillaumemonet/Rad

<?php

/**
 * @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file)
 * @author Guillaume Monet
 * @link https://github.com/guillaumemonet/Rad
 * @package Rad
 */

namespace Rad\Http;

/**
 * Description of HttpStatusCode
 *
 * @author Guillaume Monet
 */
abstract class StatusCode {

    // Informational 1xx
    const HTTP_CONTINUE                        = 100;
    const HTTP_SWITCHING_PROTOCOLS             = 101;
    // Successful 2xx
    const HTTP_OK                              = 200;
    const HTTP_CREATED                         = 201;
    const HTTP_ACCEPTED                        = 202;
    const HTTP_NONAUTHORITATIVE_INFORMATION    = 203;
    const HTTP_NO_CONTENT                      = 204;
    const HTTP_RESET_CONTENT                   = 205;
    const HTTP_PARTIAL_CONTENT                 = 206;
    // Redirection 3xx
    const HTTP_MULTIPLE_CHOICES                = 300;
    const HTTP_MOVED_PERMANENTLY               = 301;
    const HTTP_FOUND                           = 302;
    const HTTP_SEE_OTHER                       = 303;
    const HTTP_NOT_MODIFIED                    = 304;
    const HTTP_USE_PROXY                       = 305;
    const HTTP_UNUSED                          = 306;
    const HTTP_TEMPORARY_REDIRECT              = 307;
    // Client Error 4xx
    const HTTP_BAD_REQUEST                     = 400;
    const HTTP_UNAUTHORIZED                    = 401;
    const HTTP_PAYMENT_REQUIRED                = 402;
    const HTTP_FORBIDDEN                       = 403;
    const HTTP_NOT_FOUND                       = 404;
    const HTTP_METHOD_NOT_ALLOWED              = 405;
    const HTTP_NOT_ACCEPTABLE                  = 406;
    const HTTP_PROXY_AUTHENTICATION_REQUIRED   = 407;
    const HTTP_REQUEST_TIMEOUT                 = 408;
    const HTTP_CONFLICT                        = 409;
    const HTTP_GONE                            = 410;
    const HTTP_LENGTH_REQUIRED                 = 411;
    const HTTP_PRECONDITION_FAILED             = 412;
    const HTTP_REQUEST_ENTITY_TOO_LARGE        = 413;
    const HTTP_REQUEST_URI_TOO_LONG            = 414;
    const HTTP_UNSUPPORTED_MEDIA_TYPE          = 415;
    const HTTP_REQUESTED_RANGE_NOT_SATISFIABLE = 416;
    const HTTP_EXPECTATION_FAILED              = 417;
    const HTTP_I_M_A_TEAPOT                    = 418;
    // Server Error 5xx
    const HTTP_INTERNAL_SERVER_ERROR           = 500;
    const HTTP_NOT_IMPLEMENTED                 = 501;
    const HTTP_BAD_GATEWAY                     = 502;
    const HTTP_SERVICE_UNAVAILABLE             = 503;
    const HTTP_GATEWAY_TIMEOUT                 = 504;
    const HTTP_VERSION_NOT_SUPPORTED           = 505;

    private static $messages = [
        // Informational 1xx
        100 => '100 Continue',
        101 => '101 Switching Protocols',
        // Successful 2xx
        200 => '200 OK',
        201 => '201 Created',
        202 => '202 Accepted',
        203 => '203 Non-Authoritative Information',
        204 => '204 No Content',
        205 => '205 Reset Content',
        206 => '206 Partial Content',
        // Redirection 3xx
        300 => '300 Multiple Choices',
        301 => '301 Moved Permanently',
        302 => '302 Found',
        303 => '303 See Other',
        304 => '304 Not Modified',
        305 => '305 Use Proxy',
        306 => '306 (Unused)',
        307 => '307 Temporary Redirect',
        // Client Error 4xx
        400 => '400 Bad Request',
        401 => '401 Unauthorized',
        402 => '402 Payment Required',
        403 => '403 Forbidden',
        404 => '404 Not Found',
        405 => '405 Method Not Allowed',
        406 => '406 Not Acceptable',
        407 => '407 Proxy Authentication Required',
        408 => '408 Request Timeout',
        409 => '409 Conflict',
        410 => '410 Gone',
        411 => '411 Length Required',
        412 => '412 Precondition Failed',
        413 => '413 Request Entity Too Large',
        414 => '414 Request-URI Too Long',
        415 => '415 Unsupported Media Type',
        416 => '416 Requested Range Not Satisfiable',
        417 => '417 Expectation Failed',
        418 => 'I\'m a teapot',
        // Server Error 5xx
        500 => '500 Internal Server Error',
        501 => '501 Not Implemented',
        502 => '502 Bad Gateway',
        503 => '503 Service Unavailable',
        504 => '504 Gateway Timeout',
        505 => '505 HTTP Version Not Supported'
    ];

    private function __construct() {
        
    }

    private function __clone() {
        
    }

    /**
     * 
     * @param int $code
     * @return string
     */
    public static function httpHeaderFor(int $code) {
        return isset(self::$messages[$code]) ? 'HTTP/2.0 ' . self::$messages[$code] : null;
    }

    /**
     * 
     * @param int $code
     * @return string
     */
    public static function getMessageForCode(int $code) {
        return isset(self::$messages[$code]) ? self::$messages[$code] : null;
    }

    /**
     * 
     * @param int $code
     * @return bool
     */
    public static function isError(int $code): bool {
        return $code >= self::HTTP_BAD_REQUEST;
    }

    /**
     * 
     * @param int $code
     * @return bool
     */
    public static function isRedirect(int $code): bool {
        return $code >= self::HTTP_MULTIPLE_CHOICES && $code < self::HTTP_BAD_REQUEST;
    }

    /**
     * 
     * @param int $code
     * @return bool
     */
    public static function canHaveBody(int $code): bool {
        return ($code < self::HTTP_CONTINUE || $code >= self::HTTP_OK) && $code != self::HTTP_NO_CONTENT && $code != self::HTTP_NOT_MODIFIED;
    }

}