fix(performance): Avoid checking existence of default notes folder 3 times

lib/Service/NoteUtil.php

@@ -13,6 +13,7 @@
 use OCP\Files\Folder;
 use OCP\Files\IRootFolder;
 use OCP\Files\Node;
+use OCP\Files\NotFoundException;
 use OCP\IDBConnection;
 use OCP\IUserSession;
 use OCP\Share\IManager;
@@ -196,12 +197,20 @@
 	public function getOrCreateNotesFolder(string $userId, bool $create = true) : Folder {
 		$userFolder = $this->getRoot()->getUserFolder($userId);
 		$notesPath = $this->settingsService->get($userId, 'notesPath');
-		$allowShared = $notesPath !== $this->settingsService->getDefaultNotesPath($userId);
 
-		$folder = null;
+		['path' => $defaultPath, 'node' => $folder] = $this->settingsService->getDefaultNotesNode($userId);
+		$allowShared = $notesPath !== $defaultPath;
+
+		if ($allowShared) {
+			try {
+				$folder = $userFolder->get($notesPath);
+			} catch (NotFoundException) {
+				$folder = null;
+			}
+		}
+
 		$updateNotesPath = false;
-		if ($userFolder->nodeExists($notesPath)) {
-			$folder = $userFolder->get($notesPath);
+		if ($folder) {
 			if (!$allowShared && $folder->isShared()) {
 				$notesPath = $userFolder->getNonExistingName($notesPath);
 				$folder = $userFolder->newFolder($notesPath);

lib/Service/SettingsService.php

@@ -12,7 +12,9 @@
 use OCA\Notes\AppInfo\Application;
 
 use OCP\App\IAppManager;
+use OCP\Files\Folder;
 use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
 use OCP\IConfig;
 use OCP\IL10N;
 
@@ -41,7 +43,7 @@
 			'fileSuffix' => $this->getListAttrs('fileSuffix', [...$this->defaultSuffixes, 'custom']),
 			'notesPath' => [
 				'default' => function (string $uid) {
-					return $this->getDefaultNotesPath($uid);
+					return $this->getDefaultNotesNode($uid)['path'];
 				},
 				'validate' => function ($value) {
 					$value = str_replace([ '/', '\\' ], DIRECTORY_SEPARATOR, $value);
@@ -86,13 +88,45 @@
 		];
 	}
 
-	public function getDefaultNotesPath(string $uid) : string {
+	/**
+	 * Return the default notes node if it exists and the expected path if it exists
+	 * @return array{
+	 *     path: string,
+	 *     folder: Folder
+	 * }
+	 */
+	public function getDefaultNotesNode(string $uid) : array {
 		$defaultFolder = $this->config->getAppValue(Application::APP_ID, 'defaultFolder', 'Notes');
-		$defaultExists = $this->root->getUserFolder($uid)->nodeExists($defaultFolder);
-		if ($defaultExists) {
-			return $defaultFolder;
-		} else {
-			return $this->l10n->t($defaultFolder);
+		$userFolder = $this->root->getUserFolder($uid);
+		try {
+			$node = $userFolder->get($defaultFolder);
+			return [
+				'path' => $defaultFolder,
+				'node' => $node,
+			];
+		} catch (NotFoundException) {
+			$path = $this->l10n->t($defaultFolder);
+
+			if ($path == $defaultFolder) {
+				// English locale, still non-existing
+				return [
+					'path' => $path,
+					'node' => null,
+				];
+			}
+
+			try {
+				$node = $userFolder->get($path);
+				return [
+					'path' => $path,
+					'node' => $node,
+				];
+			} catch (NotFoundException) {
+				return [
+					'path' => $path,
+					'node' => null,
+				];
+			}
 		}
 	}