Move the event listener into a dedicated class

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

4 files changed, 66 insertions, 40 deletions

diff --git a/apps/workflowengine/composer/composer/autoload_classmap.php b/apps/workflowengine/composer/composer/autoload_classmap.php
index bcbc9af4577..cb2f3837298 100644
--- a/apps/workflowengine/composer/composer/autoload_classmap.php
+++ b/apps/workflowengine/composer/composer/autoload_classmap.php
@@ -27,6 +27,7 @@ return array(
     'OCA\\WorkflowEngine\\Entity\\File' => $baseDir . '/../lib/Entity/File.php',
     'OCA\\WorkflowEngine\\Helper\\LogContext' => $baseDir . '/../lib/Helper/LogContext.php',
     'OCA\\WorkflowEngine\\Helper\\ScopeContext' => $baseDir . '/../lib/Helper/ScopeContext.php',
+    'OCA\\WorkflowEngine\\Listener\\LoadAdditionalSettingsScriptsListener' => $baseDir . '/../lib/Listener/LoadAdditionalSettingsScriptsListener.php',
     'OCA\\WorkflowEngine\\Manager' => $baseDir . '/../lib/Manager.php',
     'OCA\\WorkflowEngine\\Migration\\PopulateNewlyIntroducedDatabaseFields' => $baseDir . '/../lib/Migration/PopulateNewlyIntroducedDatabaseFields.php',
     'OCA\\WorkflowEngine\\Migration\\Version2000Date20190808074233' => $baseDir . '/../lib/Migration/Version2000Date20190808074233.php',
diff --git a/apps/workflowengine/composer/composer/autoload_static.php b/apps/workflowengine/composer/composer/autoload_static.php
index 98853a837d0..c5bc8e28ba7 100644
--- a/apps/workflowengine/composer/composer/autoload_static.php
+++ b/apps/workflowengine/composer/composer/autoload_static.php
@@ -42,6 +42,7 @@ class ComposerStaticInitWorkflowEngine
         'OCA\\WorkflowEngine\\Entity\\File' => __DIR__ . '/..' . '/../lib/Entity/File.php',
         'OCA\\WorkflowEngine\\Helper\\LogContext' => __DIR__ . '/..' . '/../lib/Helper/LogContext.php',
         'OCA\\WorkflowEngine\\Helper\\ScopeContext' => __DIR__ . '/..' . '/../lib/Helper/ScopeContext.php',
+        'OCA\\WorkflowEngine\\Listener\\LoadAdditionalSettingsScriptsListener' => __DIR__ . '/..' . '/../lib/Listener/LoadAdditionalSettingsScriptsListener.php',
         'OCA\\WorkflowEngine\\Manager' => __DIR__ . '/..' . '/../lib/Manager.php',
         'OCA\\WorkflowEngine\\Migration\\PopulateNewlyIntroducedDatabaseFields' => __DIR__ . '/..' . '/../lib/Migration/PopulateNewlyIntroducedDatabaseFields.php',
         'OCA\\WorkflowEngine\\Migration\\Version2000Date20190808074233' => __DIR__ . '/..' . '/../lib/Migration/Version2000Date20190808074233.php',
diff --git a/apps/workflowengine/lib/AppInfo/Application.php b/apps/workflowengine/lib/AppInfo/Application.php
index 9d80861d542..2fd38c5f1ba 100644
--- a/apps/workflowengine/lib/AppInfo/Application.php
+++ b/apps/workflowengine/lib/AppInfo/Application.php
@@ -23,6 +23,7 @@ namespace OCA\WorkflowEngine\AppInfo;
 
 use OCA\WorkflowEngine\Controller\RequestTime;
 use OCA\WorkflowEngine\Helper\LogContext;
+use OCA\WorkflowEngine\Listener\LoadAdditionalSettingsScriptsListener;
 use OCA\WorkflowEngine\Manager;
 use OCA\WorkflowEngine\Service\Logger;
 use OCP\AppFramework\App;
@@ -34,7 +35,6 @@ use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\ILogger;
 use OCP\IServerContainer;
-use OCP\Template;
 use OCP\WorkflowEngine\IEntity;
 use OCP\WorkflowEngine\IEntityCompat;
 use OCP\WorkflowEngine\IOperation;
@@ -43,24 +43,20 @@ use OCP\WorkflowEngine\IOperationCompat;
 class Application extends App implements IBootstrap {
 	public const APP_ID = 'workflowengine';
 
-	/** @var IEventDispatcher */
-	protected $dispatcher;
-
-	/** @var Manager */
-	protected $manager;
-
 	public function __construct() {
 		parent::__construct(self::APP_ID);
 	}
 
 	public function register(IRegistrationContext $context): void {
 		$context->registerServiceAlias('RequestTimeController', RequestTime::class);
+		$context->registerEventListener(
+			'OCP\WorkflowEngine::loadAdditionalSettingScripts',
+			LoadAdditionalSettingsScriptsListener::class,
+			-100
+		);
 	}
 
 	public function boot(IBootContext $context): void {
-		$this->registerHooksAndListeners(
-			$context->getAppContainer()->query(IEventDispatcher::class)
-		);
 		$this->registerRuleListeners(
 			$context->getAppContainer()->query(IEventDispatcher::class),
 			$context->getServerContainer(),
@@ -68,44 +64,19 @@ class Application extends App implements IBootstrap {
 		);
 	}
 
-	/**
-	 * Register all hooks and listeners
-	 */
-	private function registerHooksAndListeners(IEventDispatcher $dispatcher): void {
-		$dispatcher->addListener(
-			'OCP\WorkflowEngine::loadAdditionalSettingScripts',
-			function () {
-				if (!function_exists('style')) {
-					// This is hacky, but we need to load the template class
-					class_exists(Template::class, true);
-				}
-
-				script('core', [
-					'files/fileinfo',
-					'files/client',
-					'dist/systemtags',
-				]);
-
-				script(self::APP_ID, [
-					'workflowengine',
-				]);
-			},
-			-100
-		);
-	}
-
 	private function registerRuleListeners(IEventDispatcher $dispatcher,
 										   IServerContainer $container,
 										   ILogger $logger): void {
-		$configuredEvents = $this->manager->getAllConfiguredEvents();
+		$manager = $container->query(Manager::class);
+		$configuredEvents = $manager->getAllConfiguredEvents();
 
 		foreach ($configuredEvents as $operationClass => $events) {
 			foreach ($events as $entityClass => $eventNames) {
-				array_map(function (string $eventName) use ($container, $dispatcher, $logger, $operationClass, $entityClass) {
+				array_map(function (string $eventName) use ($manager, $container, $dispatcher, $logger, $operationClass, $entityClass) {
 					$dispatcher->addListener(
 						$eventName,
-						function ($event) use ($container, $eventName, $logger, $operationClass, $entityClass) {
-							$ruleMatcher = $this->manager->getRuleMatcher();
+						function ($event) use ($manager, $container, $eventName, $logger, $operationClass, $entityClass) {
+							$ruleMatcher = $manager->getRuleMatcher();
 							try {
 								/** @var IEntity $entity */
 								$entity = $container->query($entityClass);
diff --git a/apps/workflowengine/lib/Listener/LoadAdditionalSettingsScriptsListener.php b/apps/workflowengine/lib/Listener/LoadAdditionalSettingsScriptsListener.php
new file mode 100644
index 00000000000..55ab70ef29c
--- /dev/null
+++ b/apps/workflowengine/lib/Listener/LoadAdditionalSettingsScriptsListener.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OCA\WorkflowEngine\Listener;
+
+use OCA\WorkflowEngine\AppInfo\Application;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Template;
+use function class_exists;
+use function function_exists;
+use function script;
+
+class LoadAdditionalSettingsScriptsListener implements IEventListener {
+	public function handle(Event $event): void {
+		if (!function_exists('style')) {
+			// This is hacky, but we need to load the template class
+			class_exists(Template::class, true);
+		}
+
+		script('core', [
+			'files/fileinfo',
+			'files/client',
+			'dist/systemtags',
+		]);
+
+		script(Application::APP_ID, [
+			'workflowengine',
+		]);
+	}
+}