feat(IAppManager): Allow to set the (user) default apps and get all global default apps

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

lib/private/App/AppManager.php

@@ -38,6 +38,7 @@
  */
 namespace OC\App;
 
+use InvalidArgumentException;
 use OC\AppConfig;
 use OC\AppFramework\Bootstrap\Coordinator;
 use OC\ServerNotAvailableException;
@@ -859,4 +860,19 @@ class AppManager implements IAppManager {
 
 		return $appId;
 	}
+
+	public function getDefaultApps(): array {
+		return explode(',', $this->config->getSystemValueString('defaultapp', 'dashboard,files'));
+	}
+
+	public function setDefaultApps(array $defaultApps): void {
+		foreach ($defaultApps as $app) {
+			if (!$this->isInstalled($app)) {
+				$this->logger->debug('Can not set not installed app as default app', ['missing_app' => $app]);
+				throw new InvalidArgumentException('App is not installed');
+			}
+		}
+
+		$this->config->setSystemValue('defaultapp', join(',', $defaultApps));
+	}
 }

lib/public/App/IAppManager.php

@@ -251,4 +251,21 @@ interface IAppManager {
 	 * @since 25.0.6
 	 */
 	public function getDefaultAppForUser(?IUser $user = null): string;
+
+	/**
+	 * Get the global default apps with fallbacks
+	 *
+	 * @return string[] The default applications
+	 * @since 28.0.0
+	 */
+	public function getDefaultApps(): array;
+
+	/**
+	 * Set the global default apps with fallbacks
+	 *
+	 * @param string[] $appId
+	 * @throws \InvalidArgumentException If any of the apps is not installed
+	 * @since 28.0.0
+	 */
+	public function setDefaultApps(array $defaultApps): void;
 }