Simplify the preview information

lib/Controller/APIv2Controller.php

@@ -24,7 +24,6 @@
 
 namespace OCA\Activity\Controller;
 
-use OC\Files\View;
 use OCA\Activity\Data;
 use OCA\Activity\Exception\InvalidFilterException;
 use OCA\Activity\GroupHelper;
@@ -93,28 +92,9 @@ class APIv2Controller extends OCSController {
 	/** @var IMimeTypeDetector */
 	protected $mimeTypeDetector;
 
-	/** @var View */
-	protected $view;
-
 	/** @var ViewInfoCache */
 	protected $infoCache;
 
-	/**
-	 * OCSEndPoint constructor.
-	 *
-	 * @param string $appName
-	 * @param IRequest $request
-	 * @param IManager $activityManager
-	 * @param Data $data
-	 * @param GroupHelper $helper
-	 * @param UserSettings $settings
-	 * @param IURLGenerator $urlGenerator
-	 * @param IUserSession $userSession
-	 * @param IPreview $preview
-	 * @param IMimeTypeDetector $mimeTypeDetector
-	 * @param View $view
-	 * @param ViewInfoCache $infoCache
-	 */
 	public function __construct($appName,
 								IRequest $request,
 								IManager $activityManager,
@@ -125,7 +105,6 @@ public function __construct($appName,
 								IUserSession $userSession,
 								IPreview $preview,
 								IMimeTypeDetector $mimeTypeDetector,
-								View $view,
 								ViewInfoCache $infoCache) {
 		parent::__construct($appName, $request);
 		$this->activityManager = $activityManager;
@@ -136,7 +115,6 @@ public function __construct($appName,
 		$this->userSession = $userSession;
 		$this->preview = $preview;
 		$this->mimeTypeDetector = $mimeTypeDetector;
-		$this->view = $view;
 		$this->infoCache = $infoCache;
 	}
 
@@ -357,7 +335,7 @@ protected function getPreview(string $owner, int $fileId, string $filePath): arr
 		}
 
 		$preview = [
-			'link' => $this->getPreviewLink($info['path'], $info['is_dir'], $info['view']),
+			'link' => $this->urlGenerator->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $fileId]),
 			'source' => '',
 			'mimeType' => 'application/octet-stream',
 			'isMimeTypeIcon' => true,
@@ -371,8 +349,7 @@ protected function getPreview(string $owner, int $fileId, string $filePath): arr
 			$preview['source'] = $this->getPreviewPathFromMimeType('dir');
 			$preview['mimeType'] = 'dir';
 		} else {
-			$this->view->chroot('/' . $owner . '/files');
-			$fileInfo = $this->view->getFileInfo($info['path']);
+			$fileInfo = $info['node'] ?? null;
 			if (!($fileInfo instanceof FileInfo)) {
 				$preview = $this->getPreviewFromPath($fileId, $filePath, $info);
 			} elseif ($this->preview->isAvailable($fileInfo)) {
@@ -382,7 +359,7 @@ protected function getPreview(string $owner, int $fileId, string $filePath): arr
 					'x' => 250,
 					'y' => 250,
 					'fileId' => $fileId,
-					'c' => $fileInfo->getEtag()
+					'c' => $fileInfo->getEtag(),
 				];
 
 				$preview['source'] = $this->urlGenerator->linkToRouteAbsolute('core.Preview.getPreviewByFileId', $params);
@@ -400,7 +377,7 @@ protected function getPreview(string $owner, int $fileId, string $filePath): arr
 	protected function getPreviewFromPath(int $fileId, string $filePath, array $info): array {
 		$mimeType = $info['is_dir'] ? 'dir' : $this->mimeTypeDetector->detectPath($filePath);
 		return [
-			'link' => $this->getPreviewLink($info['path'], $info['is_dir'], $info['view']),
+			'link' => $this->urlGenerator->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $fileId]),
 			'source' => $this->getPreviewPathFromMimeType($mimeType),
 			'mimeType' => $mimeType,
 			'isMimeTypeIcon' => true,
@@ -418,18 +395,4 @@ protected function getPreviewPathFromMimeType(string $mimeType): string {
 
 		return $this->urlGenerator->getAbsoluteURL($mimeTypeIcon);
 	}
-
-	protected function getPreviewLink(string $path, bool $isDir, string $view): string {
-		$params = [
-			'dir' => $path,
-		];
-		if (!$isDir) {
-			$params['dir'] = (substr_count($path, '/') === 1) ? '/' : \dirname($path);
-			$params['scrollto'] = basename($path);
-		}
-		if ($view !== '') {
-			$params['view'] = $view;
-		}
-		return $this->urlGenerator->linkToRouteAbsolute('files.view.index', $params);
-	}
 }

lib/ViewInfoCache.php

@@ -22,7 +22,9 @@
 
 namespace OCA\Activity;
 
-use OC\Files\View;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\Files\Node;
 use OCP\Files\NotFoundException;
 
 class ViewInfoCache {
@@ -32,27 +34,11 @@ class ViewInfoCache {
 	/** @var array */
 	protected $cacheId;
 
-	/** @var \OC\Files\View */
-	protected $view;
+	/** @var IRootFolder */
+	protected $rootFolder;
 
-	/**
-	 * @param View $view
-	 */
-	public function __construct(View $view) {
-		$this->view = $view;
-	}
-
-	/**
-	 * @param string $user
-	 * @param string $path
-	 * @return array
-	 */
-	public function getInfoByPath($user, $path) {
-		if (isset($this->cachePath[$user][$path])) {
-			return $this->cachePath[$user][$path];
-		}
-
-		return $this->findInfoByPath($user, $path);
+	public function __construct(IRootFolder $rootFolder) {
+		$this->rootFolder = $rootFolder;
 	}
 
 	/**
@@ -73,35 +59,13 @@ public function getInfoById($user, $fileId, $path) {
 		return $this->findInfoById($user, $fileId, $path);
 	}
 
-	/**
-	 * @param string $user
-	 * @param string $path
-	 * @return array
-	 */
-	protected function findInfoByPath($user, $path) {
-		$this->view->chroot('/' . $user . '/files');
-
-		$exists = $this->view->file_exists($path);
-
-		$this->cachePath[$user][$path] = [
-			'path' => $path,
-			'exists' => $exists,
-			'is_dir' => $exists ? (bool)$this->view->is_dir($path) : false,
-			'view' => '',
-		];
-
-		return $this->cachePath[$user][$path];
-	}
-
 	/**
 	 * @param string $user
 	 * @param int $fileId
 	 * @param string $filePath
 	 * @return array
 	 */
 	protected function findInfoById($user, $fileId, $filePath) {
-		$this->view->chroot('/' . $user . '/files');
-
 		$cache = [
 			'path' => $filePath,
 			'exists' => false,
@@ -111,24 +75,38 @@ protected function findInfoById($user, $fileId, $filePath) {
 
 		$notFound = false;
 		try {
-			$path = $this->view->getPath($fileId);
+			$userFolder = $this->rootFolder->getUserFolder($user);
+			$entries = $userFolder->getById($fileId);
+			if (empty($entries)) {
+				throw new NotFoundException('No entries returned');
+			}
+			/** @var Node $entry */
+			$entry = array_shift($entries);
 
-			$cache['path'] = $path;
-			$cache['is_dir'] = $this->view->is_dir($path);
+			$cache['path'] = $userFolder->getRelativePath($entry->getPath());
+			$cache['is_dir'] = $entry instanceof Folder;
 			$cache['exists'] = true;
+			$cache['node'] = $entry;
 		} catch (NotFoundException $e) {
-			// The file was not found in the normal view, maybe it is in
-			// the trashbin?
-			$this->view->chroot('/' . $user . '/files_trashbin');
-
+			// The file was not found in the normal view,
+			// maybe it is in the trashbin?
 			try {
-				$path = $this->view->getPath($fileId);
+				/** @var Folder $userTrashBin */
+				$userTrashBin = $this->rootFolder->get('/' . $user . '/files_trashbin');
+				$entries = $userTrashBin->getById($fileId);
+				if (empty($entries)) {
+					throw new NotFoundException('No entries returned');
+				}
+
+				/** @var Node $entry */
+				$entry = array_shift($entries);
 
 				$cache = [
-					'path' => substr($path, strlen('/files')),
+					'path' => $userTrashBin->getRelativePath($entry->getPath()),
 					'exists' => true,
-					'is_dir' => (bool)$this->view->is_dir($path),
+					'is_dir' => $entry instanceof Folder,
 					'view' => 'trashbin',
+					'node' => $entry,
 				];
 			} catch (NotFoundException $e) {
 				$notFound = true;

psalm.xml

@@ -43,4 +43,7 @@
 			</errorLevel>
 		</UndefinedDocblockClass>
 	</issueHandlers>
+	<stubs>
+		<file name="tests/stubs/oc_hooks_emitter.php" />
+	</stubs>
 </psalm>