attempt to listen to RenderReferenceEvent to inject provider list wit…

…h initial state

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

lib/base.php

@@ -762,6 +762,7 @@ public static function init() {
  self::registerAccountHooks();
  self::registerResourceCollectionHooks();
  self::registerFileReferenceEventListener();
+ self::registerRenderReferenceEventListener();
  self::registerAppRestrictionsHooks();
 
  // Make sure that the application class is not loaded before the database is setup
@@ -928,6 +929,10 @@ private static function registerFileReferenceEventListener() {
  \OC\Collaboration\Reference\File\FileReferenceEventListener::register(Server::get(IEventDispatcher::class));
  }
 
+ private static function registerRenderReferenceEventListener() {
+ \OC\Collaboration\Reference\RenderReferenceEventListener::register(Server::get(IEventDispatcher::class));
+ }
+
  /**
  * register hooks for sharing
  */

lib/private/Collaboration/Reference/RenderReferenceEventListener.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2022 Julien Veyssier <eneiluj@posteo.net>
+ *
+ * @author Julien Veyssier <eneiluj@posteo.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OC\Collaboration\Reference;
+
+use OCP\AppFramework\Services\IInitialState;
+use OCP\Collaboration\Reference\IDiscoverableReferenceProvider;
+use OCP\Collaboration\Reference\IReferenceManager;
+use OCP\Collaboration\Reference\RenderReferenceEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\EventDispatcher\IEventListener;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+
+class RenderReferenceEventListener implements IEventListener {
+ private IReferenceManager $manager;
+ private IInitialState $initialStateService;
+
+ public function __construct(IReferenceManager $manager, IInitialState $initialStateService) {
+ $this->manager = $manager;
+ $this->initialStateService = $initialStateService;
+ }
+
+ public static function register(IEventDispatcher $eventDispatcher): void {
+ $eventDispatcher->addServiceListener(RenderReferenceEvent::class, RenderReferenceEventListener::class);
+ }
+
+ /**
+ * @inheritDoc
+ */
+ public function handle(Event $event): void {
+ if (!($event instanceof RenderReferenceEvent)) {
+ return;
+ }
+
+ try {
+ $providers = $this->manager->getDiscoverableProviders();
+ } catch (ContainerExceptionInterface | NotFoundExceptionInterface $e) {
+ return;
+ }
+
+ $jsonProviders = array_map(static function (IDiscoverableReferenceProvider $provider) {
+ return $provider->jsonSerialize();
+ }, $providers);
+ $this->initialStateService->provideInitialState('reference-provider-list', $jsonProviders);
+ }
+}