From caa58e5937735b8d5b9d468ca678f3cd9c30d7f3 Mon Sep 17 00:00:00 2001
From: Konstantin Myakshin <molodchick@gmail.com>
Date: Tue, 5 Dec 2023 02:30:16 +0200
Subject: [PATCH] Set default language for TNTSearch

Signed-off-by: Konstantin Myakshin <molodchick@gmail.com>
---
 lib/Search/FileSearch/FileSearcher.php | 22 +++++++++++++++++++++-
 lib/Service/SearchService.php          | 16 ++++++++++++----
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/lib/Search/FileSearch/FileSearcher.php b/lib/Search/FileSearch/FileSearcher.php
index 0226de06f2..469fd1af59 100644
--- a/lib/Search/FileSearch/FileSearcher.php
+++ b/lib/Search/FileSearch/FileSearcher.php
@@ -21,13 +21,29 @@ class FileSearcher extends TNTSearch {
 		'storage' => ''
 	];
 
+	public const SUPPORTED_LANGUAGES = [
+		'ar' => 'Arabic',
+		'cr' => 'Croatian',
+		'fr' => 'French',
+		'de' => 'German',
+		'en' => 'Porter',
+		'it' => 'Italian',
+		'lv' => 'Latvian',
+		'pl' => 'Polish',
+		'pt' => 'Portuguese',
+		'ru' => 'Russian',
+		'uk' => 'Ukrainian',
+	];
+
 	protected FileIndexer $indexer;
+	private string $language;
 
-	public function __construct() {
+	public function __construct(string $language = 'no') {
 		parent::__construct();
 		$this->loadConfig();
 		$this->asYouType(true);
 		$this->fuzziness(true);
+		$this->language = $language;
 	}
 
 	/**
@@ -83,6 +99,8 @@ public function selectIndex($indexName): FileIndexer {
 		$this->index->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
 		$this->indexer->setIndex($this->index);
+		$this->indexer->setLanguage($this->language);
+
 		return $this->indexer;
 	}
 
@@ -93,6 +111,8 @@ public function selectIndex($indexName): FileIndexer {
 	 */
 	public function createIndex($indexName = '', $disableOutput = false): FileIndexer {
 		$this->indexer->createIndex($indexName);
+		$this->indexer->setLanguage($this->language);
+
 		$this->index = $this->indexer->getIndex();
 		return $this->indexer;
 	}
diff --git a/lib/Service/SearchService.php b/lib/Service/SearchService.php
index 7119bfab81..54c14b628b 100644
--- a/lib/Service/SearchService.php
+++ b/lib/Service/SearchService.php
@@ -12,6 +12,7 @@
 use OCP\Files\Folder;
 use OCP\Files\GenericFileException;
 use OCP\Files\InvalidPathException;
+use OCP\IConfig;
 use OCP\ITempManager;
 use OCP\Lock\LockedException;
 use PDO;
@@ -23,15 +24,18 @@ class SearchService {
 	private CollectiveFolderManager $collectiveFolderManager;
 	private ITempManager $tempManager;
 	private LoggerInterface $logger;
+	private IConfig $config;
 
 	public function __construct(
 		CollectiveFolderManager $collectiveFolderManager,
 		ITempManager $tempManager,
-		LoggerInterface $logger
+		LoggerInterface $logger,
+		IConfig $config
 	) {
 		$this->collectiveFolderManager = $collectiveFolderManager;
 		$this->tempManager = $tempManager;
 		$this->logger = $logger;
+		$this->config = $config;
 	}
 
 	/**
@@ -48,8 +52,7 @@ public function indexCollective(Collective $collective): void {
 			throw new FileSearchException('Collectives search service could not find folder for collective.', 0, $e);
 		}
 
-		$searcher = new FileSearcher();
-		$indexer = $searcher->createIndex($indexPath);
+		$indexer = $this->createFileSearcher()->createIndex($indexPath);
 		$indexer->runOnDirectory($collectiveFolder);
 
 		$this->saveIndex($collective, $indexPath);
@@ -69,7 +72,7 @@ public function searchCollective(Collective $collective, string $term, int $maxR
 			return [];
 		}
 
-		$searcher = new FileSearcher();
+		$searcher = $this->createFileSearcher();
 		$file = $this->getIndexForCollective($collective);
 		if ($file === null) {
 			$this->logger->warning('Collectives search failed to find search index for collective with ID ' . $collective->getId());
@@ -138,6 +141,11 @@ private function getOrCreateIndexForCollective(Collective $collective): ?File {
 		return $file instanceof File ? $file : null;
 	}
 
+	private function createFileSearcher(): FileSearcher {
+		$defaultLanguage = $this->config->getSystemValue('default_language', 'en');
+		return new FileSearcher(FileSearcher::SUPPORTED_LANGUAGES[$defaultLanguage] ?? 'no');
+	}
+
 	/**
 	 * @return Folder
 	 * @throws FileSearchException