From c8138002ab81418ce6f29c7a71b5da62849e7142 Mon Sep 17 00:00:00 2001
From: Ferdinand Thiessen <opensource@fthiessen.de>
Date: Fri, 16 May 2025 11:57:47 +0200
Subject: [PATCH] chore(files): remove dead code from files helper
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Its not used anywhere and uses deprecated / legacy API.
Lets remove 🧹

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
---
 apps/files/lib/Helper.php       | 105 --------------------------------
 apps/files/tests/HelperTest.php |  34 -----------
 2 files changed, 139 deletions(-)

diff --git a/apps/files/lib/Helper.php b/apps/files/lib/Helper.php
index 82d1cc94934..b1439ac7fa5 100644
--- a/apps/files/lib/Helper.php
+++ b/apps/files/lib/Helper.php
@@ -9,66 +9,12 @@ namespace OCA\Files;
 
 use OC\Files\Filesystem;
 use OCP\Files\FileInfo;
-use OCP\Files\IMimeTypeDetector;
-use OCP\Files\NotFoundException;
-use OCP\ITagManager;
-use OCP\Server;
 use OCP\Util;
 
 /**
  * Helper class for manipulating file information
  */
 class Helper {
-	/**
-	 * @param string $dir
-	 * @return array
-	 * @throws NotFoundException
-	 */
-	public static function buildFileStorageStatistics($dir) {
-		// information about storage capacities
-		$storageInfo = \OC_Helper::getStorageInfo($dir);
-		$l = Util::getL10N('files');
-		$maxUploadFileSize = Util::maxUploadFilesize($dir, $storageInfo['free']);
-		$maxHumanFileSize = Util::humanFileSize($maxUploadFileSize);
-		$maxHumanFileSize = $l->t('Upload (max. %s)', [$maxHumanFileSize]);
-
-		return [
-			'uploadMaxFilesize' => $maxUploadFileSize,
-			'maxHumanFilesize' => $maxHumanFileSize,
-			'freeSpace' => $storageInfo['free'],
-			'quota' => $storageInfo['quota'],
-			'total' => $storageInfo['total'],
-			'used' => $storageInfo['used'],
-			'usedSpacePercent' => $storageInfo['relative'],
-			'owner' => $storageInfo['owner'],
-			'ownerDisplayName' => $storageInfo['ownerDisplayName'],
-			'mountType' => $storageInfo['mountType'],
-			'mountPoint' => $storageInfo['mountPoint'],
-		];
-	}
-
-	/**
-	 * Determine icon for a given file
-	 *
-	 * @param FileInfo $file file info
-	 * @return string icon URL
-	 */
-	public static function determineIcon($file) {
-		if ($file['type'] === 'dir') {
-			$icon = Server::get(IMimeTypeDetector::class)->mimeTypeIcon('dir');
-			// TODO: move this part to the client side, using mountType
-			if ($file->isShared()) {
-				$icon = Server::get(IMimeTypeDetector::class)->mimeTypeIcon('dir-shared');
-			} elseif ($file->isMounted()) {
-				$icon = Server::get(IMimeTypeDetector::class)->mimeTypeIcon('dir-external');
-			}
-		} else {
-			$icon = Server::get(IMimeTypeDetector::class)->mimeTypeIcon($file->getMimetype());
-		}
-
-		return substr($icon, 0, -3) . 'svg';
-	}
-
 	/**
 	 * Comparator function to sort files alphabetically and have
 	 * the directories appear first
@@ -161,20 +107,6 @@ class Helper {
 		return $entry;
 	}
 
-	/**
-	 * Format file info for JSON
-	 * @param FileInfo[] $fileInfos file infos
-	 * @return array
-	 */
-	public static function formatFileInfos($fileInfos) {
-		$files = [];
-		foreach ($fileInfos as $i) {
-			$files[] = self::formatFileInfo($i);
-		}
-
-		return $files;
-	}
-
 	/**
 	 * Retrieves the contents of the given directory and
 	 * returns it as a sorted array of FileInfo.
@@ -191,43 +123,6 @@ class Helper {
 		return self::sortFiles($content, $sortAttribute, $sortDescending);
 	}
 
-	/**
-	 * Populate the result set with file tags
-	 *
-	 * @psalm-template T of array{tags?: list<string>, file_source: int, ...array<string, mixed>}
-	 * @param list<T> $fileList
-	 * @return list<T> file list populated with tags
-	 */
-	public static function populateTags(array $fileList, ITagManager $tagManager) {
-		$tagger = $tagManager->load('files');
-		$tags = $tagger->getTagsForObjects(array_map(static fn (array $fileData) => $fileData['file_source'], $fileList));
-
-		if (!is_array($tags)) {
-			throw new \UnexpectedValueException('$tags must be an array');
-		}
-
-		// Set empty tag array
-		foreach ($fileList as &$fileData) {
-			$fileData['tags'] = [];
-		}
-		unset($fileData);
-
-		if (!empty($tags)) {
-			foreach ($tags as $fileId => $fileTags) {
-				foreach ($fileList as &$fileData) {
-					if ($fileId !== $fileData['file_source']) {
-						continue;
-					}
-
-					$fileData['tags'] = $fileTags;
-				}
-				unset($fileData);
-			}
-		}
-
-		return $fileList;
-	}
-
 	/**
 	 * Sort the given file info array
 	 *
diff --git a/apps/files/tests/HelperTest.php b/apps/files/tests/HelperTest.php
index 0cf2812f816..5900e94215c 100644
--- a/apps/files/tests/HelperTest.php
+++ b/apps/files/tests/HelperTest.php
@@ -2,8 +2,6 @@
 
 use OC\Files\FileInfo;
 use OCA\Files\Helper;
-use OCP\ITagManager;
-use OCP\ITags;
 
 /**
  * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
@@ -94,36 +92,4 @@ class HelperTest extends \Test\TestCase {
 			$fileNames
 		);
 	}
-
-	public function testPopulateTags(): void {
-		$tagManager = $this->createMock(ITagManager::class);
-		$tagger = $this->createMock(ITags::class);
-
-		$tagManager->method('load')
-			->with('files')
-			->willReturn($tagger);
-
-		$data = [
-			['file_source' => 10],
-			['file_source' => 22, 'foo' => 'bar'],
-			['file_source' => 42, 'x' => 'y'],
-		];
-
-		$tags = [
-			10 => ['tag3'],
-			42 => ['tag1', 'tag2'],
-		];
-
-		$tagger->method('getTagsForObjects')
-			->with([10, 22, 42])
-			->willReturn($tags);
-
-		$result = Helper::populateTags($data, $tagManager);
-
-		$this->assertSame([
-			['file_source' => 10, 'tags' => ['tag3']],
-			['file_source' => 22, 'foo' => 'bar', 'tags' => []],
-			['file_source' => 42, 'x' => 'y', 'tags' => ['tag1', 'tag2']],
-		], $result);
-	}
 }