fix: restore demo checklist

assets/app/checklist/demo-checklist.js

@@ -115,7 +115,7 @@ export class DemoChecklist extends LitElement
 
 		for (const group of groups) {
 			for (const item of group.items) {
-				item.isCompleted = progressObject[item.id] ?? false;
+				item.is_completed = progressObject[item.id] ?? false;
 			}
 		}
 

src/Controller/Public/DemoChecklistController.php

@@ -3,25 +3,50 @@
 namespace App\Controller\Public;
 
 use App\Controller\AbstractController;
+use App\Entity\Project;
 use App\Util\Checklist\Generator;
 use App\Util\ClientMessageSerializer;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Contracts\Cache\ItemInterface;
 
 class DemoChecklistController extends AbstractController
 {
 	/**
 	 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 	 */
 	#[Route(path: '/free-checklist', name: 'checklist_demo')]
-	public function checklistDemo(Generator $checklistGenerator, ClientMessageSerializer $serializer): Response
+	public function checklistDemo(Generator $checklistGenerator, ClientMessageSerializer $serializer, EntityManagerInterface $entityManager): Response
 	{
-		// @FIXME: This does not work with the new serializer, since the items/groups don't have IDs
-		// $checklist = $checklistGenerator->generateChecklist(null);
-		// $serializedItemGroups = $serializer->serialize($checklist->getItemGroups());
+		// The serializer does not like resources without IDs.
+		// To get around this, we'll just create a project & checklist in an
+		// SQL transaction, serialize the data, and then rollback the transaction.
+		// To avoid doing this too often, we cache this for a 30-day duration.
+		$cache = new FilesystemAdapter();
+		$serializedItemGroups = $cache->get('demo_checklist', function (ItemInterface $item) use ($checklistGenerator, $serializer, $entityManager) {
+			$item->expiresAfter(3600 * 24 * 30);
+
+			$project = (new Project())
+				->setName("Temporary checklist project")
+				->setUrl("https://sample.koalati.com");
+			$checklist = $checklistGenerator->generateChecklist($project);
+
+			$entityManager->beginTransaction();
+			$entityManager->persist($project);
+			$entityManager->persist($checklist);
+			$entityManager->flush();
+
+			$serializedItemGroups = $serializer->serialize($checklist->getItemGroups(), ['checklist.read']);
+
+			$entityManager->rollback();
+
+			return $serializedItemGroups;
+		});
 
 		return $this->render('public/checklist_demo.html.twig', [
-				"serializedItemGroups" => [], // $serializedItemGroups,
+				"serializedItemGroups" => $serializedItemGroups,
 			]);
 	}
 }