Add route to resolve fileid to files app URL

The following routes will redirect to the files app and display the
matching folder. If the fileid is a file, it will scroll to it.
- http://localhost/owncloud/index.php/f/$fileid
- http://localhost/owncloud/index.php/files/?dir=somedir&fileid=$fileid

apps/files/appinfo/application.php

@@ -26,6 +26,7 @@ use OCA\Files\Controller\ApiController;
 use OCP\AppFramework\App;
 use \OCA\Files\Service\TagService;
 use \OCP\IContainer;
+use OCA\Files\Controller\ViewController;
 
 class Application extends App {
 	public function __construct(array $urlParams=array()) {
@@ -48,6 +49,20 @@ class Application extends App {
 			);
 		});
 
+		$container->registerService('ViewController', function (IContainer $c) use ($server) {
+			return new ViewController(
+				$c->query('AppName'),
+				$c->query('Request'),
+				$server->getURLGenerator(),
+				$server->getNavigationManager(),
+				$c->query('L10N'),
+				$server->getConfig(),
+				$server->getEventDispatcher(),
+				$server->getUserSession(),
+				$server->getUserFolder()
+			);
+		});
+
 		/**
 		 * Core
 		 */

apps/files/controller/viewcontroller.php

@@ -3,6 +3,7 @@
  * @author Christoph Wurst <christoph@winzerhof-wurst.at>
  * @author Lukas Reschke <lukas@owncloud.com>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Vincent Petry <pvince81@owncloud.com>
  *
  * @copyright Copyright (c) 2016, ownCloud, Inc.
  * @license AGPL-3.0
@@ -26,6 +27,7 @@ namespace OCA\Files\Controller;
 use OC\AppFramework\Http\Request;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
+use OCP\AppFramework\Http\Response;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IConfig;
@@ -35,6 +37,8 @@ use OCP\IRequest;
 use OCP\IURLGenerator;
 use OCP\IUserSession;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use OCP\AppFramework\Http\NotFoundResponse;
+use OCP\Files\Folder;
 
 /**
  * Class ViewController
@@ -58,6 +62,8 @@ class ViewController extends Controller {
 	protected $eventDispatcher;
 	/** @var IUserSession */
 	protected $userSession;
+	/** @var \OCP\Files\Folder */
+	protected $userFolder;
 
 	/**
 	 * @param string $appName
@@ -68,6 +74,7 @@ class ViewController extends Controller {
 	 * @param IConfig $config
 	 * @param EventDispatcherInterface $eventDispatcherInterface
 	 * @param IUserSession $userSession
+	 * @param Folder $userFolder
 	 */
 	public function __construct($appName,
 								IRequest $request,
@@ -76,7 +83,9 @@ class ViewController extends Controller {
 								IL10N $l10n,
 								IConfig $config,
 								EventDispatcherInterface $eventDispatcherInterface,
-								IUserSession $userSession) {
+								IUserSession $userSession,
+								Folder $userFolder
+	) {
 		parent::__construct($appName, $request);
 		$this->appName = $appName;
 		$this->request = $request;
@@ -86,6 +95,7 @@ class ViewController extends Controller {
 		$this->config = $config;
 		$this->eventDispatcher = $eventDispatcherInterface;
 		$this->userSession = $userSession;
+		$this->userFolder = $userFolder;
 	}
 
 	/**
@@ -124,10 +134,15 @@ class ViewController extends Controller {
 	 *
 	 * @param string $dir
 	 * @param string $view
+	 * @param string $fileid
 	 * @return TemplateResponse
 	 * @throws \OCP\Files\NotFoundException
 	 */
-	public function index($dir = '', $view = '') {
+	public function index($dir = '', $view = '', $fileid = null) {
+		if ($fileid !== null) {
+			return $this->showFile($fileid);
+		}
+
 		$nav = new \OCP\Template('files', 'appnavigation', '');
 
 		// Load the files we need
@@ -239,4 +254,33 @@ class ViewController extends Controller {
 
 		return $response;
 	}
+
+	/**
+	 * Redirects to the file list and highlight the given file id
+	 *
+	 * @param string $fileId file id to show
+	 * @return Response redirect response or not found response
+	 *
+	 * @NoCSRFRequired
+	 * @NoAdminRequired
+	 */
+	public function showFile($fileId) {
+		$files = $this->userFolder->getById($fileId);
+		$params = [];
+
+		if (!empty($files)) {
+			$file = current($files);
+			if ($file instanceof Folder) {
+				// set the full path to enter the folder
+				$params['dir'] = $this->userFolder->getRelativePath($file->getPath());
+			} else {
+				// set parent path as dir
+				$params['dir'] = $this->userFolder->getRelativePath($file->getParent()->getPath());
+				// and scroll to the entry
+				$params['scrollto'] = $file->getName();
+			}
+			return new RedirectResponse($this->urlGenerator->linkToRoute('files.view.index', $params));
+		}
+		return new NotFoundResponse();
+	}
 }

apps/files/tests/controller/ViewControllerTest.php

@@ -36,6 +36,7 @@ use OCP\IL10N;
 use OCP\IConfig;
 use OCP\IUserSession;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use OCP\Files\Folder;
 
 /**
  * Class ViewControllerTest
@@ -61,6 +62,8 @@ class ViewControllerTest extends TestCase {
 	private $user;
 	/** @var IUserSession */
 	private $userSession;
+	/** @var Folder */
+	private $userFolder;
 
 	public function setUp() {
 		parent::setUp();
@@ -75,6 +78,7 @@ class ViewControllerTest extends TestCase {
 		$this->userSession->expects($this->any())
 			->method('getUser')
 			->will($this->returnValue($this->user));
+		$this->userFolder = $this->getMock('\OCP\Files\Folder');
 		$this->viewController = $this->getMockBuilder('\OCA\Files\Controller\ViewController')
 			->setConstructorArgs([
 			'files',
@@ -84,7 +88,8 @@ class ViewControllerTest extends TestCase {
 			$this->l10n,
 			$this->config,
 			$this->eventDispatcher,
-			$this->userSession
+			$this->userSession,
+			$this->userFolder
 		])
 		->setMethods([
 			'getStorageInfo',
@@ -287,4 +292,100 @@ class ViewControllerTest extends TestCase {
 		$expected->setContentSecurityPolicy($policy);
 		$this->assertEquals($expected, $this->viewController->index('MyDir', 'MyView'));
 	}
+
+	public function showFileMethodProvider() {
+		return [
+			[true],
+			[false],
+		];
+	}
+
+	/**
+	 * @dataProvider showFileMethodProvider
+	 */
+	public function testShowFileRouteWithFolder($useShowFile) {
+		$node = $this->getMock('\OCP\Files\Folder');
+		$node->expects($this->once())
+			->method('getPath')
+			->will($this->returnValue('/user/files/test/sub'));
+
+		$this->userFolder->expects($this->at(0))
+			->method('getById')
+			->with(123)
+			->will($this->returnValue([$node]));
+		$this->userFolder->expects($this->at(1))
+			->method('getRelativePath')
+			->with('/user/files/test/sub')
+			->will($this->returnValue('/test/sub'));
+
+		$this->urlGenerator
+			->expects($this->once())
+			->method('linkToRoute')
+			->with('files.view.index', ['dir' => '/test/sub'])
+			->will($this->returnValue('/apps/files/?dir=/test/sub'));
+
+		$expected = new Http\RedirectResponse('/apps/files/?dir=/test/sub');
+		if ($useShowFile) {
+			$this->assertEquals($expected, $this->viewController->showFile(123));
+		} else {
+			$this->assertEquals($expected, $this->viewController->index('/whatever', '', '123'));
+		}
+	}
+
+	/**
+	 * @dataProvider showFileMethodProvider
+	 */
+	public function testShowFileRouteWithFile($useShowFile) {
+		$parentNode = $this->getMock('\OCP\Files\Folder');
+		$parentNode->expects($this->once())
+			->method('getPath')
+			->will($this->returnValue('/user/files/test'));
+
+		$node = $this->getMock('\OCP\Files\File');
+		$node->expects($this->once())
+			->method('getParent')
+			->will($this->returnValue($parentNode));
+		$node->expects($this->once())
+			->method('getName')
+			->will($this->returnValue('somefile.txt'));
+
+		$this->userFolder->expects($this->at(0))
+			->method('getById')
+			->with(123)
+			->will($this->returnValue([$node]));
+		$this->userFolder->expects($this->at(1))
+			->method('getRelativePath')
+			->with('/user/files/test')
+			->will($this->returnValue('/test'));
+
+		$this->urlGenerator
+			->expects($this->once())
+			->method('linkToRoute')
+			->with('files.view.index', ['dir' => '/test', 'scrollto' => 'somefile.txt'])
+			->will($this->returnValue('/apps/files/?dir=/test/sub&scrollto=somefile.txt'));
+
+		$expected = new Http\RedirectResponse('/apps/files/?dir=/test/sub&scrollto=somefile.txt');
+		if ($useShowFile) {
+			$this->assertEquals($expected, $this->viewController->showFile(123));
+		} else {
+			$this->assertEquals($expected, $this->viewController->index('/whatever', '', '123'));
+		}
+	}
+
+	/**
+	 * @dataProvider showFileMethodProvider
+	 */
+	public function testShowFileRouteWithInvalidFileId($useShowFile) {
+		$this->userFolder->expects($this->at(0))
+			->method('getById')
+			->with(123)
+			->will($this->returnValue([]));
+
+		$expected = new Http\NotFoundResponse();
+		if ($useShowFile) {
+			$this->assertEquals($expected, $this->viewController->showFile(123));
+		} else {
+			$this->assertEquals($expected, $this->viewController->index('/whatever', '', '123'));
+		}
+	}
 }

core/routes.php

@@ -108,6 +108,12 @@ $this->create('core_ajax_preview', '/core/preview.png')
 $this->create('core_ajax_update', '/core/ajax/update.php')
 	->actionInclude('core/ajax/update.php');
 
+// File routes
+$this->create('files.viewcontroller.showFile', '/f/{fileId}')->action(function($urlParams) {
+	$app = new \OCA\Files\AppInfo\Application($urlParams);
+	$app->dispatch('ViewController', 'showFile');
+});
+
 // Sharing routes
 $this->create('files_sharing.sharecontroller.showShare', '/s/{token}')->action(function($urlParams) {
 	$app = new \OCA\Files_Sharing\AppInfo\Application($urlParams);