mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-20 02:13:52 +02:00
08a5a7c387
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@72803 467b73ca-7a2a-4603-9d3b-597d59a354a9
129 lines
4.2 KiB
PHP
129 lines
4.2 KiB
PHP
<?php
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/**
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* ModelAsController will hand over all control to the appopriate model object
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* It uses URLSegment to determine the right object. Also, if (ModelClass)_Controller exists,
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* that controller will be used instead. It should be a subclass of ContentController.
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*
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* @package sapphire
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*/
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class ModelAsController extends Controller implements NestedController {
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public function handleRequest($request) {
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$this->pushCurrent();
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$this->urlParams = $request->allParams();
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$this->init();
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// If the basic database hasn't been created, then build it.
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if(!DB::isActive() || !ClassInfo::hasTable('SiteTree')) {
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$this->response = new HTTPResponse();
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$this->redirect("dev/build?returnURL=" . urlencode($_GET['url']));
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return $this->response;
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}
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$result = $this->getNestedController();
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if(is_object($result) && $result instanceOf RequestHandler) {
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$result = $result->handleRequest($request);
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}
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$this->popCurrent();
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return $result;
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}
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public function init() {
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singleton('SiteTree')->extend('modelascontrollerInit', $this);
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Director::set_site_mode('site');
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}
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public function getNestedController() {
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if($this->urlParams['URLSegment']) {
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$SQL_URLSegment = Convert::raw2sql($this->urlParams['URLSegment']);
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$child = SiteTree::get_by_url($SQL_URLSegment);
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if(!$child) {
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if($child = $this->findOldPage($SQL_URLSegment)) {
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$url = Controller::join_links(
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Director::baseURL(),
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$child->URLSegment,
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isset($this->urlParams['Action']) ? $this->urlParams['Action'] : null,
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isset($this->urlParams['ID']) ? $this->urlParams['ID'] : null,
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isset($this->urlParams['OtherID']) ? $this->urlParams['OtherID'] : null
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);
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$response = new HTTPResponse();
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$response->redirect($url, 301);
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return $response;
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}
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$child = $this->get404Page();
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}
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if($child) {
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if(isset($_REQUEST['debug'])) Debug::message("Using record #$child->ID of type $child->class with URL {$this->urlParams['URLSegment']}");
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// set language
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if($child->Lang) Translatable::set_reading_lang($child->Lang);
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$controllerClass = "{$child->class}_Controller";
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if($this->urlParams['Action'] && ClassInfo::exists($controllerClass.'_'.$this->urlParams['Action'])) {
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$controllerClass = $controllerClass.'_'.$this->urlParams['Action'];
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}
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if(ClassInfo::exists($controllerClass)) {
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$controller = new $controllerClass($child);
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} else {
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$controller = $child;
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}
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return $controller;
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} else {
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return new HTTPResponse("The requested page couldn't be found.",404);
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}
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} else {
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user_error("ModelAsController not geting a URLSegment. It looks like the site isn't redirecting to home", E_USER_ERROR);
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}
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}
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protected function findOldPage($urlSegment) {
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// Build the query by replacing `SiteTree` with `SiteTree_versions` in a regular query.
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// Note that this should *really* be handled by a more full-featured data mapper; as it stands
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// this is a bit of a hack.
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$origStage = Versioned::current_stage();
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Versioned::reading_stage('Stage');
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$versionedQuery = singleton('SiteTree')->extendedSQL('');
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Versioned::reading_stage($origStage);
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foreach($versionedQuery->from as $k => $v) {
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$versionedQuery->renameTable($k, $k . '_versions');
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}
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$versionedQuery->select = array("`SiteTree_versions`.RecordID");
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$versionedQuery->where[] = "`SiteTree_versions`.`WasPublished` = 1 AND `URLSegment` = '$urlSegment'";
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$versionedQuery->orderby = '`LastEdited` DESC, `SiteTree_versions`.`WasPublished`';
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$versionedQuery->limit = 1;
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$result = $versionedQuery->execute();
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if($result->numRecords() == 1 && $redirectPage = $result->nextRecord()) {
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$redirectObj = DataObject::get_by_id('SiteTree', $redirectPage['RecordID']);
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if($redirectObj) {
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// Double-check by querying this page in the same way that getNestedController() does. This
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// will prevent query muck-ups from modules such as subsites
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$doubleCheck = SiteTree::get_by_url($redirectObj->URLSegment);
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if($doubleCheck) return $redirectObj;
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}
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}
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return false;
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}
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protected function get404Page() {
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if($page = DataObject::get_one("ErrorPage", "\"ErrorCode\" = '404'")) return $page;
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else return DataObject::get_one("SiteTree", "\"URLSegment\" = '404'");
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}
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}
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?>
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