Files
Phraseanet/lib/classes/API/V1/result.php
2014-02-22 10:39:07 +01:00

394 lines
11 KiB
PHP

<?php
/*
* This file is part of Phraseanet
*
* (c) 2005-2014 Alchemy
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use Alchemy\Phrasea\Core\Event\ApiResultEvent;
use Alchemy\Phrasea\Core\PhraseaEvents;
use Silex\Application;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
class API_V1_result
{
protected $app;
/**
*
* @var string
*/
protected $api_version;
/**
*
* @var string
*/
protected $response_time;
/**
*
* @var int
*/
protected $http_code = 200;
/**
*
* @var string
*/
protected $error_type;
/**
*
* @var string
*/
protected $error_message;
/**
*
* @var string
*/
protected $error_details;
/**
*
* @var string
*/
protected $request;
/**
*
* @var mixed
*/
protected $response;
/**
*
* @var string
*/
protected $response_type;
/**
* Constant for responsetype json
*/
const FORMAT_JSON = 'json';
/**
* Constant for responsetype yaml
*/
const FORMAT_YAML = 'yaml';
/**
* Constant for responsetype jsonp
*/
const FORMAT_JSONP = 'jsonp';
const ERROR_BAD_REQUEST = 'Bad Request';
const ERROR_UNAUTHORIZED = 'Unauthorized';
const ERROR_FORBIDDEN = 'Forbidden';
const ERROR_NOTFOUND = 'Not Found';
const ERROR_MAINTENANCE = 'Service Temporarily Unavailable';
const ERROR_METHODNOTALLOWED = 'Method Not Allowed';
const ERROR_INTERNALSERVERERROR = 'Internal Server Error';
/**
* API v1 Result constructor
*
* @param Application $app
* @param Request $request
* @param API_V1_adapter $api
*
* @return API_V1_result
*/
public function __construct(Application $app, Request $request, API_V1_adapter $api)
{
$date = new DateTime();
$this->app = $app;
$this->request = $request;
$this->api_version = $api->get_version();
$this->response_time = $date->format(DATE_ATOM);
$this->response = new stdClass();
$this->parse_response_type();
return $this;
}
protected function parse_response_type()
{
if (trim($this->request->get('callback')) !== '') {
return $this->response_type = self::FORMAT_JSONP;
}
$accept = $this->request->getAcceptableContentTypes();
$response_types = [];
foreach ($accept as $key => $app_type) {
$response_types[strtolower($app_type)] = true;
}
if (array_key_exists('application/json', $response_types)) {
return $this->response_type = self::FORMAT_JSON;
}
if (array_key_exists('application/yaml', $response_types)) {
return $this->response_type = self::FORMAT_YAML;
}
if (array_key_exists('text/yaml', $response_types)) {
return $this->response_type = self::FORMAT_YAML;
}
return $this->response_type = self::FORMAT_JSON;
}
/**
* Set datas to the response
* If no datas provided (aka empty array), a stdClass if set,
* so the serialized datas will be objects
*
* @param array $datas
* @return API_V1_result
*/
public function set_datas(array $datas)
{
if (count($datas) === 0)
$datas = new stdClass ();
$this->response = $datas;
return $this;
}
/**
* Return response data
*
* @return array
*/
public function get_datas()
{
return (array) $this->response;
}
/**
* Format the data and return serialized string
*
* @return string
*/
public function format()
{
$request_uri = sprintf('%s %s'
, $this->request->getMethod()
, $this->request->getBasePath()
. $this->request->getPathInfo()
);
$ret = [
'meta' => [
'api_version' => $this->api_version
, 'request' => $request_uri
, 'response_time' => $this->response_time
, 'http_code' => $this->http_code
, 'error_type' => $this->error_type
, 'error_message' => $this->error_message
, 'error_details' => $this->error_details
, 'charset' => 'UTF-8'
]
, 'response' => $this->response
];
$this->app['dispatcher']->dispatch(PhraseaEvents::API_RESULT, new ApiResultEvent());
if ($this->app['conf']->get(['main', 'api-timers'], false)) {
$ret['timers'] = $this->app['api.timers']->toArray();
}
switch ($this->response_type) {
case self::FORMAT_JSON:
default:
$return_value = p4string::jsonencode($ret);
break;
case self::FORMAT_YAML:
if ($ret['response'] instanceof stdClass)
$ret['response'] = [];
$dumper = new Symfony\Component\Yaml\Dumper();
$return_value = $dumper->dump($ret, 8);
break;
case self::FORMAT_JSONP:
$callback = trim($this->request->get('callback'));
$return_value = $callback . '(' . p4string::jsonencode($ret) . ')';
break;
}
return $return_value;
}
/**
* Return serailized datas content type
*
* @return string
*/
public function get_content_type()
{
switch ($this->response_type) {
case self::FORMAT_JSON:
default:
$return_value = 'application/json';
break;
case self::FORMAT_YAML:
$return_value = 'application/yaml';
break;
case self::FORMAT_JSONP:
$return_value = 'text/javascript';
break;
}
return $return_value;
}
/**
* Set the API_V1_result http_code, error_type, error_message and error_details
* with the appropriate datas
*
* @param string $const
* @param string $message
*
* @return API_V1_result
*/
public function set_error_message($const, $message)
{
$this->error_details = $message;
switch ($const) {
case self::ERROR_BAD_REQUEST:
$this->http_code = 400;
$this->error_type = $const;
$this->error_message = API_V1_exception_badrequest::get_details();
break;
case self::ERROR_UNAUTHORIZED:
$this->http_code = 401;
$this->error_type = $const;
$this->error_message = API_V1_exception_unauthorized::get_details();
break;
case self::ERROR_FORBIDDEN:
$this->http_code = 403;
$this->error_type = $const;
$this->error_message = API_V1_exception_forbidden::get_details();
break;
case self::ERROR_NOTFOUND:
$this->http_code = 404;
$this->error_type = $const;
$this->error_message = API_V1_exception_notfound::get_details();
break;
case self::ERROR_METHODNOTALLOWED:
$this->http_code = 405;
$this->error_type = $const;
$this->error_message = API_V1_exception_methodnotallowed::get_details();
break;
case self::ERROR_INTERNALSERVERERROR:
$this->http_code = 500;
$this->error_type = $const;
$this->error_message = API_V1_exception_internalservererror::get_details();
break;
case self::ERROR_MAINTENANCE:
$this->http_code = 503;
$this->error_type = $const;
$this->error_message = API_V1_exception_maintenance::get_details();
break;
case OAUTH2_ERROR_INVALID_REQUEST:
$this->error_type = $const;
break;
}
return $this;
}
/**
* Set the API_V1_result http_code, error_message and error_details
* with the appropriate datas
*
* @param integer $code
*
* @return API_V1_result
*/
public function set_error_code($code)
{
switch ($code = (int) $code) {
case 400:
$this->http_code = $code;
$this->error_type = self::ERROR_BAD_REQUEST;
$this->error_message = API_V1_exception_badrequest::get_details();
break;
case 401:
$this->http_code = $code;
$this->error_type = self::ERROR_UNAUTHORIZED;
$this->error_message = API_V1_exception_unauthorized::get_details();
break;
case 403:
$this->http_code = $code;
$this->error_type = self::ERROR_FORBIDDEN;
$this->error_message = API_V1_exception_forbidden::get_details();
break;
case 404:
$this->http_code = $code;
$this->error_type = self::ERROR_NOTFOUND;
$this->error_message = API_V1_exception_notfound::get_details();
break;
case 405:
$this->http_code = $code;
$this->error_type = self::ERROR_METHODNOTALLOWED;
$this->error_message = API_V1_exception_methodnotallowed::get_details();
break;
case 500:
$this->http_code = $code;
$this->error_type = self::ERROR_INTERNALSERVERERROR;
$this->error_message = API_V1_exception_internalservererror::get_details();
break;
}
return $this;
}
/**
* Returns the correct http code depending on the errors
*
* @return int
*/
public function get_http_code()
{
if ($this->response_type == self::FORMAT_JSONP && $this->http_code != 500) {
return 200;
} else {
return $this->http_code;
}
}
/**
*
* @param int $code
*/
public function set_http_code($code)
{
$this->http_code = (int) $code;
}
/**
* Return a Symfony Response
*
* @return \Symfony\Component\HttpFoundation\Response
*/
public function get_response()
{
$response = new Response(
$this->format(),
$this->get_http_code(),
['Content-Type' => $this->get_content_type()]
);
$response->setCharset('UTF-8');
return $response;
}
}