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ENHANCEMENT: Added ErrorPage::response_for() to get a response for a HTTP error code and request.

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MINOR: Updated ModelAsController to generate errors with ErrorPage.
MINOR: Updated ContentController to generate HTTP errors with ErrorPage.

From: Andrew Short <andrewjshort@gmail.com>

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@88480 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Andrew Short 2009-10-11 00:07:03 +00:00 committed by Sam Minnee
parent 3eafee7799
commit acc063984b
3 changed files with 51 additions and 10 deletions
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8
core/control/ContentController.php
View File

@ -155,6 +155,14 @@ class ContentController extends Controller {
return new $controllerClass($widget);
}
/**
* @uses ErrorPage::response_for()
* @return HTTPResponse
*/
public function httpError($code, $message = null) {
return ($resp = ErrorPage::response_for($code, $this->request)) ? $resp : parent::httpError($code, $message);
}
/**
* Get the project name
*

13
core/control/ModelAsController.php
View File

@ -29,6 +29,8 @@ class ModelAsController extends Controller implements NestedController {
public function handleRequest($request) {
$this->pushCurrent();
$this->request = $request;
$this->urlParams = $request->allParams();
$this->init();
@ -74,7 +76,7 @@ class ModelAsController extends Controller implements NestedController {
return $response;
}
$child = $this->get404Page();
return ErrorPage::response_for(404, $this->request);
}
if($child) {
@ -137,15 +139,6 @@ class ModelAsController extends Controller implements NestedController {
return false;
}
protected function get404Page() {
$page = DataObject::get_one("ErrorPage", "\"ErrorCode\" = '404'");
if($page) {
return $page;
} else {
// @deprecated 2.5 Use ErrorPage class
return DataObject::get_one("SiteTree", "\"URLSegment\" = '404'");
}
}
}
?>

40
core/model/ErrorPage.php
View File

@ -24,6 +24,46 @@ class ErrorPage extends Page {
protected static $static_filepath = ASSETS_PATH;
/**
* Get a {@link HTTPResponse} that is suitable for responding to a reques that has thrown a specific error code.
*
* @param int $statusCode The HTTP error code.
* @param HTTPRequest $request The request object that triggered the error.
* @return HTTPResponse
*/
public static function response_for($statusCode, HTTPRequest $request = null) {
$errorPage = null;
// First attempt to dynamically generate the error page, then fall back on using a cached version.
if (
(!$request || !$request->isMedia()) && !$errorPage = DataObject::get_one('ErrorPage', "\"ErrorCode\" = $statusCode")
) {
$cachedPath = self::get_filepath_for_errorcode($statusCode, Translatable::get_current_locale());
if(file_exists($cachedPath)) {
$response = new HTTPResponse();
$response->setStatusCode($statusCode);
$response->setBody(file_get_contents($cachedPath));
return $response;
}
}
// If the request is for a simple media type, or there was no matching dynamic or cached error page just return
// a simple error string to avoid clogging up server resources.
if(!$errorPage) {
$response = new HTTPResponse();
$response->setStatusCode($statusCode);
$response->setBody(sprintf('Error %s: %s', $response->getStatusCode(), $response->getStatusDescription()));
return $response;
}
return ModelAsController::controller_for($errorPage)->handleRequest(new HTTPRequest('GET', ''));
}
/**
* Ensures that there is always a 404 page
* by checking if there's an instance of