Add global page model for fragments (replaces contao#1935)

Author: aschempp

core-bundle/src/Controller/AbstractFragmentController.php

@@ -15,6 +15,7 @@
 use Contao\CoreBundle\Fragment\FragmentOptionsAwareInterface;
 use Contao\FrontendTemplate;
 use Contao\Model;
+use Contao\PageModel;
 use Contao\StringUtil;
 use Contao\Template;
 use Symfony\Component\DependencyInjection\Container;
@@ -26,11 +27,26 @@ abstract class AbstractFragmentController extends AbstractController implements
      */
     protected $options = [];
 
+    /**
+     * @var PageModel|null
+     */
+    private $pageModel;
+
     public function setFragmentOptions(array $options): void
     {
         $this->options = $options;
     }
 
+    protected function setPageModel(?PageModel $pageModel): void
+    {
+        $this->pageModel = $pageModel;
+    }
+
+    protected function getPageModel(): ?PageModel
+    {
+        return $this->pageModel;
+    }
+
     /**
      * Creates a template by name or from the "customTpl" field of the model.
      */

core-bundle/src/Controller/ContentElement/AbstractContentElementController.php

@@ -14,14 +14,17 @@
 
 use Contao\ContentModel;
 use Contao\CoreBundle\Controller\AbstractFragmentController;
+use Contao\PageModel;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 
 abstract class AbstractContentElementController extends AbstractFragmentController
 {
-    public function __invoke(Request $request, ContentModel $model, string $section, array $classes = null): Response
+    public function __invoke(Request $request, ContentModel $model, string $section, array $classes = null, PageModel $pageModel = null): Response
     {
+        $this->setPageModel($pageModel);
+
         $type = $this->getType();
         $template = $this->createTemplate($model, 'ce_'.$type);
 

core-bundle/src/Controller/FrontendModule/AbstractFrontendModuleController.php

@@ -16,19 +16,22 @@
 use Contao\CoreBundle\Controller\AbstractFragmentController;
 use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\ModuleModel;
+use Contao\PageModel;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 abstract class AbstractFrontendModuleController extends AbstractFragmentController
 {
-    public function __invoke(Request $request, ModuleModel $model, string $section, array $classes = null): Response
+    public function __invoke(Request $request, ModuleModel $model, string $section, array $classes = null, PageModel $pageModel = null): Response
     {
         if ($this->get('contao.routing.scope_matcher')->isBackendRequest($request)) {
             return $this->getBackendWildcard($model);
         }
 
+        $this->setPageModel($pageModel);
+
         $type = $this->getType();
         $template = $this->createTemplate($model, 'mod_'.$type);
 

core-bundle/src/HttpKernel/ModelArgumentResolver.php

@@ -15,6 +15,7 @@
 use Contao\CoreBundle\Framework\ContaoFramework;
 use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\Model;
+use Contao\PageModel;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
 use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
@@ -79,6 +80,15 @@ private function fetchModel(Request $request, ArgumentMetadata $argument): ?Mode
             return $value;
         }
 
+        // Special handling for pageModel that could be globally registered
+        if (
+            isset($GLOBALS['objPage'])
+            && $GLOBALS['objPage'] instanceof PageModel
+            && $GLOBALS['objPage']->id === (int) $value
+        ) {
+            return $GLOBALS['objPage'];
+        }
+
         /** @var Model $model */
         $model = $this->framework->getAdapter($argument->getType());