feature: added new FavouriteWidget to display favorite files in dashboard widget

apps/files/composer/composer/autoload_classmap.php

@@ -48,6 +48,7 @@
     'OCA\\Files\\Controller\\TemplateController' => $baseDir . '/../lib/Controller/TemplateController.php',
     'OCA\\Files\\Controller\\TransferOwnershipController' => $baseDir . '/../lib/Controller/TransferOwnershipController.php',
     'OCA\\Files\\Controller\\ViewController' => $baseDir . '/../lib/Controller/ViewController.php',
+	'OCA\\Files\\Dashboard\\FavouriteWidget' => $baseDir . '/../lib/Dashboard/FavouriteWidet.php',
     'OCA\\Files\\Db\\OpenLocalEditor' => $baseDir . '/../lib/Db/OpenLocalEditor.php',
     'OCA\\Files\\Db\\OpenLocalEditorMapper' => $baseDir . '/../lib/Db/OpenLocalEditorMapper.php',
     'OCA\\Files\\Db\\TransferOwnership' => $baseDir . '/../lib/Db/TransferOwnership.php',

apps/files/composer/composer/autoload_static.php

@@ -7,14 +7,14 @@
 class ComposerStaticInitFiles
 {
     public static $prefixLengthsPsr4 = array (
-        'O' => 
+        'O' =>
         array (
             'OCA\\Files\\' => 10,
         ),
     );
 
     public static $prefixDirsPsr4 = array (
-        'OCA\\Files\\' => 
+        'OCA\\Files\\' =>
         array (
             0 => __DIR__ . '/..' . '/../lib',
         ),
@@ -63,7 +63,7 @@ class ComposerStaticInitFiles
         'OCA\\Files\\Controller\\TemplateController' => __DIR__ . '/..' . '/../lib/Controller/TemplateController.php',
         'OCA\\Files\\Controller\\TransferOwnershipController' => __DIR__ . '/..' . '/../lib/Controller/TransferOwnershipController.php',
         'OCA\\Files\\Controller\\ViewController' => __DIR__ . '/..' . '/../lib/Controller/ViewController.php',
-        'OCA\\Files\\Db\\OpenLocalEditor' => __DIR__ . '/..' . '/../lib/Db/OpenLocalEditor.php',
+		'OCA\\Files\\Dashboard\\FavouriteWidget' => __DIR__ . '/..' . '/../lib/Dashboard/FavouriteWidget.php',        'OCA\\Files\\Db\\OpenLocalEditor' => __DIR__ . '/..' . '/../lib/Db/OpenLocalEditor.php',
         'OCA\\Files\\Db\\OpenLocalEditorMapper' => __DIR__ . '/..' . '/../lib/Db/OpenLocalEditorMapper.php',
         'OCA\\Files\\Db\\TransferOwnership' => __DIR__ . '/..' . '/../lib/Db/TransferOwnership.php',
         'OCA\\Files\\Db\\TransferOwnershipMapper' => __DIR__ . '/..' . '/../lib/Db/TransferOwnershipMapper.php',

apps/files/lib/AppInfo/Application.php

@@ -13,6 +13,7 @@
 use OCA\Files\Collaboration\Resources\Listener;
 use OCA\Files\Collaboration\Resources\ResourceProvider;
 use OCA\Files\Controller\ApiController;
+use OCA\Files\Dashboard\FavouriteWidget;
 use OCA\Files\DirectEditingCapabilities;
 use OCA\Files\Event\LoadSearchPlugins;
 use OCA\Files\Event\LoadSidebar;
@@ -120,6 +121,7 @@ public function register(IRegistrationContext $context): void {
 		$context->registerSearchProvider(FilesSearchProvider::class);
 
 		$context->registerNotifierService(Notifier::class);
+		$context->registerDashboardWidget(FavouriteWidget::class);
 	}
 
 	public function boot(IBootContext $context): void {

apps/files/lib/Dashboard/FavouriteWidget.php

@@ -0,0 +1,157 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Files\Dashboard;
+
+use OCA\Files\AppInfo\Application;
+use OCP\Dashboard\IAPIWidget;
+use OCP\Dashboard\IAPIWidgetV2;
+use OCP\Dashboard\IButtonWidget;
+use OCP\Dashboard\IIconWidget;
+use OCP\Dashboard\IWidget;
+use OCP\Dashboard\Model\WidgetButton;
+use OCP\Dashboard\Model\WidgetItem;
+use OCP\Dashboard\Model\WidgetItems;
+use OCP\Files\IMimeTypeDetector;
+use OCP\Files\IRootFolder;
+use OCP\IL10N;
+use OCP\IPreview;
+use OCP\ITagManager;
+use OCP\IURLGenerator;
+use OCP\IUserManager;
+use OCP\IUserSession;
+
+class FavouriteWidget implements IWidget, IIconWidget, IAPIWidget, IAPIWidgetV2, IButtonWidget {
+	private IUserSession $userSession;
+	private IL10N $l10n;
+	private IURLGenerator $urlGenerator;
+	private IMimeTypeDetector $mimeTypeDetector;
+	private IUserManager $userManager;
+	private ITagManager $tagManager;
+	private IRootFolder $rootFolder;
+	private IPreview $previewManager;
+	public const FAVORITE_LIMIT = 50;
+
+	public function __construct(
+		IUserSession $userSession,
+		IL10N $l10n,
+		IURLGenerator $urlGenerator,
+		IMimeTypeDetector $mimeTypeDetector,
+		IUserManager $userManager,
+		ITagManager $tagManager,
+		IRootFolder $rootFolder,
+		IPreview $previewManager,
+	) {
+		$this->userSession = $userSession;
+		$this->l10n = $l10n;
+		$this->urlGenerator = $urlGenerator;
+		$this->mimeTypeDetector = $mimeTypeDetector;
+		$this->userManager = $userManager;
+		$this->tagManager = $tagManager;
+		$this->rootFolder = $rootFolder;
+		$this->previewManager = $previewManager;
+	}
+
+	public function getId(): string {
+		return Application::APP_ID;
+	}
+
+	public function getTitle(): string {
+		return $this->l10n->t('Favorites');
+	}
+
+	public function getOrder(): int {
+		return 0;
+	}
+
+	public function getIconClass(): string {
+		return 'icon-files-dark';
+	}
+
+	public function getIconUrl(): string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('files', 'app-dark.svg'));
+	}
+
+	public function getUrl(): ?string {
+		return null;
+	}
+
+	public function load(): void {
+		$user = $this->userSession->getUser();
+		if ($user === null) {
+			return;
+		}
+		return;
+		//Util::addScript(Application::APP_ID, 'recommendations-dashboard');
+	}
+
+	public function getItems(string $userId, ?string $since = null, int $limit = 7): array {
+		$user = $this->userManager->get($userId);
+
+		if (!$user) {
+			return [];
+		}
+		$tags = $this->tagManager->load('files', [], false, $userId);
+		$favorites = $tags->getFavorites();
+		if (empty($favorites)) {
+			return [];
+		} elseif (isset($favorites[self::FAVORITE_LIMIT])) {
+			return [];
+		}
+		$favoriteNodes = [];
+		$userFolder = $this->rootFolder->getUserFolder($userId);
+		foreach ($favorites as $favorite) {
+			$node = $userFolder->getFirstNodeById($favorite);
+			if ($node) {
+				$url = $this->urlGenerator->linkToRouteAbsolute(
+					'files.viewcontroller.showFile', ['fileid' => $node->getId()]
+				);
+				if ($this->previewManager->isAvailable($node)) {
+					$icon = $this->urlGenerator->linkToRouteAbsolute('core.Preview.getPreviewByFileId', [
+						'x' => 256,
+						'y' => 256,
+						'fileId' => $node->getId(),
+						'c' => $node->getEtag(),
+					]);
+				} else {
+					$icon = $this->urlGenerator->getAbsoluteURL(
+						$this->mimeTypeDetector->mimeTypeIcon($node->getMimetype())
+					);
+				}
+				$favoriteNodes[] = new WidgetItem(
+					$node->getName(),
+					'',
+					$url,
+					$icon,
+					(string)$node->getCreationTime()
+				);
+			}
+		}
+
+		return $favoriteNodes;
+	}
+
+	public function getItemsV2(string $userId, ?string $since = null, int $limit = 7): WidgetItems {
+		$items = $this->getItems($userId, $since, $limit);
+		return new WidgetItems(
+			$items,
+			count($items) === 0 ? $this->l10n->t('No favorites') : '',
+		);
+	}
+
+	public function getWidgetButtons(string $userId): array {
+		return [
+			new WidgetButton(
+				WidgetButton::TYPE_MORE,
+				$this->urlGenerator->getAbsoluteURL('index.php/apps/files/favorites'),
+				$this->l10n->t('More favorites')
+			),
+		];
+	}
+}