nextcloud / server

lib/private/Files/Template/TemplateManager.php

Indentation +367 added lines, -367 removed lines

@@ -40,373 +40,373 @@
  * @psalm-import-type FilesTemplateFile from ResponseDefinitions
  */
 class TemplateManager implements ITemplateManager {
-	/** @var list<callable(): TemplateFileCreator> */
-	private array $registeredTypes = [];
-	/** @var list<TemplateFileCreator> */
-	private array $types = [];
-	/** @var array<class-string<ICustomTemplateProvider>, ICustomTemplateProvider>|null */
-	private ?array $providers = null;
-	private IL10n $l10n;
-	private ?string $userId;
-
-	public function __construct(
-		private readonly ContainerInterface $serverContainer,
-		private readonly IEventDispatcher $eventDispatcher,
-		private readonly Coordinator $bootstrapCoordinator,
-		private readonly IRootFolder $rootFolder,
-		IUserSession $userSession,
-		private readonly IUserManager $userManager,
-		private readonly IPreview $previewManager,
-		private readonly IConfig $config,
-		private readonly IFactory $l10nFactory,
-		private readonly LoggerInterface $logger,
-		private readonly IFilenameValidator $filenameValidator,
-	) {
-		$this->l10n = $l10nFactory->get('lib');
-		$this->userId = $userSession->getUser()?->getUID();
-	}
-
-	#[Override]
-	public function registerTemplateFileCreator(callable $callback): void {
-		$this->registeredTypes[] = $callback;
-	}
-
-	/**
-	 * @return array<class-string<ICustomTemplateProvider>, ICustomTemplateProvider>
-	 */
-	private function getRegisteredProviders(): array {
-		if ($this->providers !== null) {
-			return $this->providers;
-		}
-
-		$context = $this->bootstrapCoordinator->getRegistrationContext();
-
-		$this->providers = [];
-		foreach ($context->getTemplateProviders() as $provider) {
-			$class = $provider->getService();
-			$this->providers[$class] = $this->serverContainer->get($class);
-		}
-		return $this->providers;
-	}
-
-	/**
-	 * @return list<TemplateFileCreator>
-	 */
-	private function getTypes(): array {
-		if (!empty($this->types)) {
-			return $this->types;
-		}
-		$this->eventDispatcher->dispatchTyped(new RegisterTemplateCreatorEvent($this));
-		foreach ($this->registeredTypes as $registeredType) {
-			$this->types[] = $registeredType();
-		}
-		return $this->types;
-	}
-
-	#[Override]
-	public function listCreators(): array {
-		$types = $this->getTypes();
-		usort($types, function (TemplateFileCreator $a, TemplateFileCreator $b) {
-			return $a->getOrder() - $b->getOrder();
-		});
-		return $types;
-	}
-
-	#[Override]
-	public function listTemplates(): array {
-		return array_values(array_map(function (TemplateFileCreator $entry) {
-			return array_merge($entry->jsonSerialize(), [
-				'templates' => $this->getTemplateFiles($entry)
-			]);
-		}, $this->listCreators()));
-	}
-
-	#[Override]
-	public function listTemplateFields(int $fileId): array {
-		foreach ($this->listCreators() as $creator) {
-			$fields = $this->getTemplateFields($creator, $fileId);
-			if (empty($fields)) {
-				continue;
-			}
-
-			return $fields;
-		}
-
-		return [];
-	}
-
-	#[Override]
-	public function createFromTemplate(string $filePath, string $templateId = '', string $templateType = 'user', array $templateFields = []): array {
-		$userFolder = $this->rootFolder->getUserFolder($this->userId);
-		try {
-			$userFolder->get($filePath);
-			throw new GenericFileException($this->l10n->t('File already exists'));
-		} catch (NotFoundException $e) {
-		}
-		try {
-			if (!$userFolder->nodeExists(dirname($filePath))) {
-				throw new GenericFileException($this->l10n->t('Invalid path'));
-			}
-			/** @var Folder $folder */
-			$folder = $userFolder->get(dirname($filePath));
-			$template = null;
-			if ($templateType === 'user' && $templateId !== '') {
-				$template = $userFolder->get($templateId);
-			} else {
-				$matchingProvider = array_filter($this->getRegisteredProviders(), function (ICustomTemplateProvider $provider) use ($templateType) {
-					return $templateType === get_class($provider);
-				});
-				$provider = array_shift($matchingProvider);
-				if ($provider) {
-					$template = $provider->getCustomTemplate($templateId);
-				}
-			}
-
-			$filename = basename($filePath);
-			$this->filenameValidator->validateFilename($filename);
-			$targetFile = $folder->newFile($filename, ($template instanceof File ? $template->fopen('rb') : null));
-
-			$this->eventDispatcher->dispatchTyped(new FileCreatedFromTemplateEvent($template, $targetFile, $templateFields));
-			/** @var File $file */
-			$file = $userFolder->get($filePath);
-			return $this->formatFile($file);
-		} catch (\Exception $e) {
-			$this->logger->error($e->getMessage(), ['exception' => $e]);
-			throw new GenericFileException($this->l10n->t('Failed to create file from template'));
-		}
-	}
-
-	/**
-	 * @throws \OCP\Files\NotFoundException
-	 * @throws \OCP\Files\NotPermittedException
-	 * @throws \OC\User\NoUserException
-	 */
-	private function getTemplateFolder(): Folder {
-		if ($this->getTemplatePath() !== '') {
-			$path = $this->rootFolder->getUserFolder($this->userId)->get($this->getTemplatePath());
-			if ($path instanceof Folder) {
-				return $path;
-			}
-		}
-		throw new NotFoundException();
-	}
-
-	/**
-	 * @return list<Template>
-	 */
-	private function getTemplateFiles(TemplateFileCreator $type): array {
-		$templates = array_merge(
-			$this->getProviderTemplates($type),
-			$this->getUserTemplates($type)
-		);
-
-		$this->eventDispatcher->dispatchTyped(new BeforeGetTemplatesEvent($templates, false));
-
-		return $templates;
-	}
-
-	/**
-	 * @return list<Template>
-	 */
-	private function getProviderTemplates(TemplateFileCreator $type): array {
-		$templates = [];
-		foreach ($this->getRegisteredProviders() as $provider) {
-			foreach ($type->getMimetypes() as $mimetype) {
-				foreach ($provider->getCustomTemplates($mimetype) as $template) {
-					$templateId = $template->jsonSerialize()['templateId'];
-					$templates[$templateId] = $template;
-				}
-			}
-		}
-
-		return array_values($templates);
-	}
-
-	/**
-	 * @return list<Template>
-	 */
-	private function getUserTemplates(TemplateFileCreator $type): array {
-		$templates = [];
-
-		try {
-			$userTemplateFolder = $this->getTemplateFolder();
-		} catch (\Exception $e) {
-			return $templates;
-		}
-
-		foreach ($type->getMimetypes() as $mimetype) {
-			foreach ($userTemplateFolder->searchByMime($mimetype) as $templateFile) {
-				if (!($templateFile instanceof File)) {
-					continue;
-				}
-				$template = new Template(
-					'user',
-					$this->rootFolder->getUserFolder($this->userId)->getRelativePath($templateFile->getPath()),
-					$templateFile
-				);
-				$template->setHasPreview($this->previewManager->isAvailable($templateFile));
-				$templates[] = $template;
-			}
-		}
-
-		return $templates;
-	}
-
-	/*
+    /** @var list<callable(): TemplateFileCreator> */
+    private array $registeredTypes = [];
+    /** @var list<TemplateFileCreator> */
+    private array $types = [];
+    /** @var array<class-string<ICustomTemplateProvider>, ICustomTemplateProvider>|null */
+    private ?array $providers = null;
+    private IL10n $l10n;
+    private ?string $userId;
+
+    public function __construct(
+        private readonly ContainerInterface $serverContainer,
+        private readonly IEventDispatcher $eventDispatcher,
+        private readonly Coordinator $bootstrapCoordinator,
+        private readonly IRootFolder $rootFolder,
+        IUserSession $userSession,
+        private readonly IUserManager $userManager,
+        private readonly IPreview $previewManager,
+        private readonly IConfig $config,
+        private readonly IFactory $l10nFactory,
+        private readonly LoggerInterface $logger,
+        private readonly IFilenameValidator $filenameValidator,
+    ) {
+        $this->l10n = $l10nFactory->get('lib');
+        $this->userId = $userSession->getUser()?->getUID();
+    }
+
+    #[Override]
+    public function registerTemplateFileCreator(callable $callback): void {
+        $this->registeredTypes[] = $callback;
+    }
+
+    /**
+     * @return array<class-string<ICustomTemplateProvider>, ICustomTemplateProvider>
+     */
+    private function getRegisteredProviders(): array {
+        if ($this->providers !== null) {
+            return $this->providers;
+        }
+
+        $context = $this->bootstrapCoordinator->getRegistrationContext();
+
+        $this->providers = [];
+        foreach ($context->getTemplateProviders() as $provider) {
+            $class = $provider->getService();
+            $this->providers[$class] = $this->serverContainer->get($class);
+        }
+        return $this->providers;
+    }
+
+    /**
+     * @return list<TemplateFileCreator>
+     */
+    private function getTypes(): array {
+        if (!empty($this->types)) {
+            return $this->types;
+        }
+        $this->eventDispatcher->dispatchTyped(new RegisterTemplateCreatorEvent($this));
+        foreach ($this->registeredTypes as $registeredType) {
+            $this->types[] = $registeredType();
+        }
+        return $this->types;
+    }
+
+    #[Override]
+    public function listCreators(): array {
+        $types = $this->getTypes();
+        usort($types, function (TemplateFileCreator $a, TemplateFileCreator $b) {
+            return $a->getOrder() - $b->getOrder();
+        });
+        return $types;
+    }
+
+    #[Override]
+    public function listTemplates(): array {
+        return array_values(array_map(function (TemplateFileCreator $entry) {
+            return array_merge($entry->jsonSerialize(), [
+                'templates' => $this->getTemplateFiles($entry)
+            ]);
+        }, $this->listCreators()));
+    }
+
+    #[Override]
+    public function listTemplateFields(int $fileId): array {
+        foreach ($this->listCreators() as $creator) {
+            $fields = $this->getTemplateFields($creator, $fileId);
+            if (empty($fields)) {
+                continue;
+            }
+
+            return $fields;
+        }
+
+        return [];
+    }
+
+    #[Override]
+    public function createFromTemplate(string $filePath, string $templateId = '', string $templateType = 'user', array $templateFields = []): array {
+        $userFolder = $this->rootFolder->getUserFolder($this->userId);
+        try {
+            $userFolder->get($filePath);
+            throw new GenericFileException($this->l10n->t('File already exists'));
+        } catch (NotFoundException $e) {
+        }
+        try {
+            if (!$userFolder->nodeExists(dirname($filePath))) {
+                throw new GenericFileException($this->l10n->t('Invalid path'));
+            }
+            /** @var Folder $folder */
+            $folder = $userFolder->get(dirname($filePath));
+            $template = null;
+            if ($templateType === 'user' && $templateId !== '') {
+                $template = $userFolder->get($templateId);
+            } else {
+                $matchingProvider = array_filter($this->getRegisteredProviders(), function (ICustomTemplateProvider $provider) use ($templateType) {
+                    return $templateType === get_class($provider);
+                });
+                $provider = array_shift($matchingProvider);
+                if ($provider) {
+                    $template = $provider->getCustomTemplate($templateId);
+                }
+            }
+
+            $filename = basename($filePath);
+            $this->filenameValidator->validateFilename($filename);
+            $targetFile = $folder->newFile($filename, ($template instanceof File ? $template->fopen('rb') : null));
+
+            $this->eventDispatcher->dispatchTyped(new FileCreatedFromTemplateEvent($template, $targetFile, $templateFields));
+            /** @var File $file */
+            $file = $userFolder->get($filePath);
+            return $this->formatFile($file);
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage(), ['exception' => $e]);
+            throw new GenericFileException($this->l10n->t('Failed to create file from template'));
+        }
+    }
+
+    /**
+     * @throws \OCP\Files\NotFoundException
+     * @throws \OCP\Files\NotPermittedException
+     * @throws \OC\User\NoUserException
+     */
+    private function getTemplateFolder(): Folder {
+        if ($this->getTemplatePath() !== '') {
+            $path = $this->rootFolder->getUserFolder($this->userId)->get($this->getTemplatePath());
+            if ($path instanceof Folder) {
+                return $path;
+            }
+        }
+        throw new NotFoundException();
+    }
+
+    /**
+     * @return list<Template>
+     */
+    private function getTemplateFiles(TemplateFileCreator $type): array {
+        $templates = array_merge(
+            $this->getProviderTemplates($type),
+            $this->getUserTemplates($type)
+        );
+
+        $this->eventDispatcher->dispatchTyped(new BeforeGetTemplatesEvent($templates, false));
+
+        return $templates;
+    }
+
+    /**
+     * @return list<Template>
+     */
+    private function getProviderTemplates(TemplateFileCreator $type): array {
+        $templates = [];
+        foreach ($this->getRegisteredProviders() as $provider) {
+            foreach ($type->getMimetypes() as $mimetype) {
+                foreach ($provider->getCustomTemplates($mimetype) as $template) {
+                    $templateId = $template->jsonSerialize()['templateId'];
+                    $templates[$templateId] = $template;
+                }
+            }
+        }
+
+        return array_values($templates);
+    }
+
+    /**
+     * @return list<Template>
+     */
+    private function getUserTemplates(TemplateFileCreator $type): array {
+        $templates = [];
+
+        try {
+            $userTemplateFolder = $this->getTemplateFolder();
+        } catch (\Exception $e) {
+            return $templates;
+        }
+
+        foreach ($type->getMimetypes() as $mimetype) {
+            foreach ($userTemplateFolder->searchByMime($mimetype) as $templateFile) {
+                if (!($templateFile instanceof File)) {
+                    continue;
+                }
+                $template = new Template(
+                    'user',
+                    $this->rootFolder->getUserFolder($this->userId)->getRelativePath($templateFile->getPath()),
+                    $templateFile
+                );
+                $template->setHasPreview($this->previewManager->isAvailable($templateFile));
+                $templates[] = $template;
+            }
+        }
+
+        return $templates;
+    }
+
+    /*
 	 * @return list<Field>
 	 */
-	private function getTemplateFields(TemplateFileCreator $type, int $fileId): array {
-		$providerTemplates = $this->getProviderTemplates($type);
-		$userTemplates = $this->getUserTemplates($type);
-
-		$matchedTemplates = array_filter(
-			array_merge($providerTemplates, $userTemplates),
-			fn (Template $template): bool => $template->jsonSerialize()['fileid'] === $fileId);
-
-		if (empty($matchedTemplates)) {
-			return [];
-		}
-
-		$this->eventDispatcher->dispatchTyped(new BeforeGetTemplatesEvent($matchedTemplates, true));
-
-		return array_values(array_map(static fn (Template $template): array => $template->jsonSerialize()['fields'] ?? [], $matchedTemplates));
-	}
-
-	/**
-	 * @return FilesTemplateFile
-	 * @throws NotFoundException
-	 * @throws \OCP\Files\InvalidPathException
-	 */
-	private function formatFile(File $file): array {
-		return [
-			'basename' => $file->getName(),
-			'etag' => $file->getEtag(),
-			'fileid' => $file->getId() ?? -1,
-			'filename' => $this->rootFolder->getUserFolder($this->userId)->getRelativePath($file->getPath()),
-			'lastmod' => $file->getMTime(),
-			'mime' => $file->getMimetype(),
-			'size' => $file->getSize(),
-			'type' => $file->getType(),
-			'hasPreview' => $this->previewManager->isAvailable($file),
-			'permissions' => $file->getPermissions(),
-		];
-	}
-
-	public function hasTemplateDirectory(): bool {
-		try {
-			$this->getTemplateFolder();
-			return true;
-		} catch (\Exception $e) {
-		}
-		return false;
-	}
-
-	#[Override]
-	public function setTemplatePath(string $path): void {
-		$this->config->setUserValue($this->userId, 'core', 'templateDirectory', $path);
-	}
-
-	#[Override]
-	public function getTemplatePath(): string {
-		return $this->config->getUserValue($this->userId, 'core', 'templateDirectory', '');
-	}
-
-	#[Override]
-	public function initializeTemplateDirectory(?string $path = null, ?string $userId = null, $copyTemplates = true): string {
-		if ($userId !== null) {
-			$this->userId = $userId;
-		}
-
-		$defaultSkeletonDirectory = \OC::$SERVERROOT . '/core/skeleton';
-		$defaultTemplateDirectory = \OC::$SERVERROOT . '/core/skeleton/Templates';
-		$skeletonPath = $this->config->getSystemValueString('skeletondirectory', $defaultSkeletonDirectory);
-		$skeletonTemplatePath = $this->config->getSystemValueString('templatedirectory', $defaultTemplateDirectory);
-		$isDefaultSkeleton = $skeletonPath === $defaultSkeletonDirectory;
-		$isDefaultTemplates = $skeletonTemplatePath === $defaultTemplateDirectory;
-		$userLang = $this->l10nFactory->getUserLanguage($this->userManager->get($this->userId));
-
-		if ($skeletonTemplatePath === '') {
-			$this->setTemplatePath('');
-			return '';
-		}
-
-		try {
-			$l10n = $this->l10nFactory->get('lib', $userLang);
-			$userFolder = $this->rootFolder->getUserFolder($this->userId);
-			$userTemplatePath = $path ?? $this->config->getAppValue('core', 'defaultTemplateDirectory', $l10n->t('Templates')) . '/';
-
-			// Initial user setup without a provided path
-			if ($path === null) {
-				// All locations are default so we just need to rename the directory to the users language
-				if ($isDefaultSkeleton && $isDefaultTemplates) {
-					if (!$userFolder->nodeExists('Templates')) {
-						return '';
-					}
-					$newPath = Filesystem::normalizePath($userFolder->getPath() . '/' . $userTemplatePath);
-					if ($newPath !== $userFolder->get('Templates')->getPath()) {
-						$userFolder->get('Templates')->move($newPath);
-					}
-					$this->setTemplatePath($userTemplatePath);
-					return $userTemplatePath;
-				}
-
-				if ($isDefaultSkeleton && !empty($skeletonTemplatePath) && !$isDefaultTemplates && $userFolder->nodeExists('Templates')) {
-					$shippedSkeletonTemplates = $userFolder->get('Templates');
-					$shippedSkeletonTemplates->delete();
-				}
-			}
-
-			$folder = $userFolder->getOrCreateFolder($userTemplatePath);
-
-			$folderIsEmpty = count($folder->getDirectoryListing()) === 0;
-
-			if (!$copyTemplates) {
-				$this->setTemplatePath($userTemplatePath);
-				return $userTemplatePath;
-			}
-
-			if (!$isDefaultTemplates && $folderIsEmpty) {
-				$localizedSkeletonTemplatePath = $this->getLocalizedTemplatePath($skeletonTemplatePath, $userLang);
-				if (!empty($localizedSkeletonTemplatePath) && file_exists($localizedSkeletonTemplatePath)) {
-					\OC_Util::copyr($localizedSkeletonTemplatePath, $folder);
-					$userFolder->getStorage()->getScanner()->scan($folder->getInternalPath(), Scanner::SCAN_RECURSIVE);
-					$this->setTemplatePath($userTemplatePath);
-					return $userTemplatePath;
-				}
-			}
-
-			if ($path !== null && $isDefaultSkeleton && $isDefaultTemplates && $folderIsEmpty) {
-				$localizedSkeletonPath = $this->getLocalizedTemplatePath($skeletonPath . '/Templates', $userLang);
-				if (!empty($localizedSkeletonPath) && file_exists($localizedSkeletonPath)) {
-					\OC_Util::copyr($localizedSkeletonPath, $folder);
-					$userFolder->getStorage()->getScanner()->scan($folder->getInternalPath(), Scanner::SCAN_RECURSIVE);
-					$this->setTemplatePath($userTemplatePath);
-					return $userTemplatePath;
-				}
-			}
-
-			$this->setTemplatePath($path ?? '');
-			return $this->getTemplatePath();
-		} catch (\Throwable $e) {
-			$this->logger->error('Failed to initialize templates directory to user language ' . $userLang . ' for ' . $userId, ['app' => 'files_templates', 'exception' => $e]);
-		}
-		$this->setTemplatePath('');
-		return $this->getTemplatePath();
-	}
-
-	private function getLocalizedTemplatePath(string $skeletonTemplatePath, string $userLang): string {
-		$localizedSkeletonTemplatePath = str_replace('{lang}', $userLang, $skeletonTemplatePath);
-
-		if (!file_exists($localizedSkeletonTemplatePath)) {
-			$dialectStart = strpos($userLang, '_');
-			if ($dialectStart !== false) {
-				$localizedSkeletonTemplatePath = str_replace('{lang}', substr($userLang, 0, $dialectStart), $skeletonTemplatePath);
-			}
-			if ($dialectStart === false || !file_exists($localizedSkeletonTemplatePath)) {
-				$localizedSkeletonTemplatePath = str_replace('{lang}', 'default', $skeletonTemplatePath);
-			}
-		}
-
-		return $localizedSkeletonTemplatePath;
-	}
+    private function getTemplateFields(TemplateFileCreator $type, int $fileId): array {
+        $providerTemplates = $this->getProviderTemplates($type);
+        $userTemplates = $this->getUserTemplates($type);
+
+        $matchedTemplates = array_filter(
+            array_merge($providerTemplates, $userTemplates),
+            fn (Template $template): bool => $template->jsonSerialize()['fileid'] === $fileId);
+
+        if (empty($matchedTemplates)) {
+            return [];
+        }
+
+        $this->eventDispatcher->dispatchTyped(new BeforeGetTemplatesEvent($matchedTemplates, true));
+
+        return array_values(array_map(static fn (Template $template): array => $template->jsonSerialize()['fields'] ?? [], $matchedTemplates));
+    }
+
+    /**
+     * @return FilesTemplateFile
+     * @throws NotFoundException
+     * @throws \OCP\Files\InvalidPathException
+     */
+    private function formatFile(File $file): array {
+        return [
+            'basename' => $file->getName(),
+            'etag' => $file->getEtag(),
+            'fileid' => $file->getId() ?? -1,
+            'filename' => $this->rootFolder->getUserFolder($this->userId)->getRelativePath($file->getPath()),
+            'lastmod' => $file->getMTime(),
+            'mime' => $file->getMimetype(),
+            'size' => $file->getSize(),
+            'type' => $file->getType(),
+            'hasPreview' => $this->previewManager->isAvailable($file),
+            'permissions' => $file->getPermissions(),
+        ];
+    }
+
+    public function hasTemplateDirectory(): bool {
+        try {
+            $this->getTemplateFolder();
+            return true;
+        } catch (\Exception $e) {
+        }
+        return false;
+    }
+
+    #[Override]
+    public function setTemplatePath(string $path): void {
+        $this->config->setUserValue($this->userId, 'core', 'templateDirectory', $path);
+    }
+
+    #[Override]
+    public function getTemplatePath(): string {
+        return $this->config->getUserValue($this->userId, 'core', 'templateDirectory', '');
+    }
+
+    #[Override]
+    public function initializeTemplateDirectory(?string $path = null, ?string $userId = null, $copyTemplates = true): string {
+        if ($userId !== null) {
+            $this->userId = $userId;
+        }
+
+        $defaultSkeletonDirectory = \OC::$SERVERROOT . '/core/skeleton';
+        $defaultTemplateDirectory = \OC::$SERVERROOT . '/core/skeleton/Templates';
+        $skeletonPath = $this->config->getSystemValueString('skeletondirectory', $defaultSkeletonDirectory);
+        $skeletonTemplatePath = $this->config->getSystemValueString('templatedirectory', $defaultTemplateDirectory);
+        $isDefaultSkeleton = $skeletonPath === $defaultSkeletonDirectory;
+        $isDefaultTemplates = $skeletonTemplatePath === $defaultTemplateDirectory;
+        $userLang = $this->l10nFactory->getUserLanguage($this->userManager->get($this->userId));
+
+        if ($skeletonTemplatePath === '') {
+            $this->setTemplatePath('');
+            return '';
+        }
+
+        try {
+            $l10n = $this->l10nFactory->get('lib', $userLang);
+            $userFolder = $this->rootFolder->getUserFolder($this->userId);
+            $userTemplatePath = $path ?? $this->config->getAppValue('core', 'defaultTemplateDirectory', $l10n->t('Templates')) . '/';
+
+            // Initial user setup without a provided path
+            if ($path === null) {
+                // All locations are default so we just need to rename the directory to the users language
+                if ($isDefaultSkeleton && $isDefaultTemplates) {
+                    if (!$userFolder->nodeExists('Templates')) {
+                        return '';
+                    }
+                    $newPath = Filesystem::normalizePath($userFolder->getPath() . '/' . $userTemplatePath);
+                    if ($newPath !== $userFolder->get('Templates')->getPath()) {
+                        $userFolder->get('Templates')->move($newPath);
+                    }
+                    $this->setTemplatePath($userTemplatePath);
+                    return $userTemplatePath;
+                }
+
+                if ($isDefaultSkeleton && !empty($skeletonTemplatePath) && !$isDefaultTemplates && $userFolder->nodeExists('Templates')) {
+                    $shippedSkeletonTemplates = $userFolder->get('Templates');
+                    $shippedSkeletonTemplates->delete();
+                }
+            }
+
+            $folder = $userFolder->getOrCreateFolder($userTemplatePath);
+
+            $folderIsEmpty = count($folder->getDirectoryListing()) === 0;
+
+            if (!$copyTemplates) {
+                $this->setTemplatePath($userTemplatePath);
+                return $userTemplatePath;
+            }
+
+            if (!$isDefaultTemplates && $folderIsEmpty) {
+                $localizedSkeletonTemplatePath = $this->getLocalizedTemplatePath($skeletonTemplatePath, $userLang);
+                if (!empty($localizedSkeletonTemplatePath) && file_exists($localizedSkeletonTemplatePath)) {
+                    \OC_Util::copyr($localizedSkeletonTemplatePath, $folder);
+                    $userFolder->getStorage()->getScanner()->scan($folder->getInternalPath(), Scanner::SCAN_RECURSIVE);
+                    $this->setTemplatePath($userTemplatePath);
+                    return $userTemplatePath;
+                }
+            }
+
+            if ($path !== null && $isDefaultSkeleton && $isDefaultTemplates && $folderIsEmpty) {
+                $localizedSkeletonPath = $this->getLocalizedTemplatePath($skeletonPath . '/Templates', $userLang);
+                if (!empty($localizedSkeletonPath) && file_exists($localizedSkeletonPath)) {
+                    \OC_Util::copyr($localizedSkeletonPath, $folder);
+                    $userFolder->getStorage()->getScanner()->scan($folder->getInternalPath(), Scanner::SCAN_RECURSIVE);
+                    $this->setTemplatePath($userTemplatePath);
+                    return $userTemplatePath;
+                }
+            }
+
+            $this->setTemplatePath($path ?? '');
+            return $this->getTemplatePath();
+        } catch (\Throwable $e) {
+            $this->logger->error('Failed to initialize templates directory to user language ' . $userLang . ' for ' . $userId, ['app' => 'files_templates', 'exception' => $e]);
+        }
+        $this->setTemplatePath('');
+        return $this->getTemplatePath();
+    }
+
+    private function getLocalizedTemplatePath(string $skeletonTemplatePath, string $userLang): string {
+        $localizedSkeletonTemplatePath = str_replace('{lang}', $userLang, $skeletonTemplatePath);
+
+        if (!file_exists($localizedSkeletonTemplatePath)) {
+            $dialectStart = strpos($userLang, '_');
+            if ($dialectStart !== false) {
+                $localizedSkeletonTemplatePath = str_replace('{lang}', substr($userLang, 0, $dialectStart), $skeletonTemplatePath);
+            }
+            if ($dialectStart === false || !file_exists($localizedSkeletonTemplatePath)) {
+                $localizedSkeletonTemplatePath = str_replace('{lang}', 'default', $skeletonTemplatePath);
+            }
+        }
+
+        return $localizedSkeletonTemplatePath;
+    }
 }