Merge pull request #11871 from nextcloud/feature/11015/collaboration-resources

Collaboration resources

3 files changed, 195 insertions, 0 deletions

diff --git a/apps/files/lib/AppInfo/Application.php b/apps/files/lib/AppInfo/Application.php
index d4dac5befa8..dc2ed59618e 100644
--- a/apps/files/lib/AppInfo/Application.php
+++ b/apps/files/lib/AppInfo/Application.php
@@ -27,9 +27,12 @@
 namespace OCA\Files\AppInfo;
 
 use OCA\Files\Activity\Helper;
+use OCA\Files\Collaboration\Resources\Listener;
+use OCA\Files\Collaboration\Resources\ResourceProvider;
 use OCA\Files\Controller\ApiController;
 use OCP\AppFramework\App;
 use \OCA\Files\Service\TagService;
+use OCP\Collaboration\Resources\IManager;
 use \OCP\IContainer;
 use OCA\Files\Controller\ViewController;
 use OCA\Files\Capabilities;
@@ -99,5 +102,13 @@ class Application extends App {
 		 * Register capabilities
 		 */
 		$container->registerCapability(Capabilities::class);
+
+		/**
+		 * Register Collaboration ResourceProvider
+		 */
+		/** @var IManager $resourceManager */
+		$resourceManager = $container->query(IManager::class);
+		$resourceManager->registerResourceProvider(ResourceProvider::class);
+		Listener::register($server->getEventDispatcher());
 	}
 }
diff --git a/apps/files/lib/Collaboration/Resources/Listener.php b/apps/files/lib/Collaboration/Resources/Listener.php
new file mode 100644
index 00000000000..a4e5284741c
--- /dev/null
+++ b/apps/files/lib/Collaboration/Resources/Listener.php
@@ -0,0 +1,44 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files\Collaboration\Resources;
+
+
+use OCP\Collaboration\Resources\IManager;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+class Listener {
+	public static function register(EventDispatcherInterface $dispatcher): void {
+		$dispatcher->addListener('OCP\Share::postShare', [self::class, 'shareModification']);
+		$dispatcher->addListener('OCP\Share::postUnshare', [self::class, 'shareModification']);
+		$dispatcher->addListener('OCP\Share::postUnshareFromSelf', [self::class, 'shareModification']);
+	}
+
+	public static function shareModification(): void {
+		/** @var IManager $resourceManager */
+		$resourceManager = \OC::$server->query(IManager::class);
+		/** @var ResourceProvider $resourceProvider */
+		$resourceProvider = \OC::$server->query(ResourceProvider::class);
+
+		$resourceManager->invalidateAccessCacheForProvider($resourceProvider);
+	}
+}
diff --git a/apps/files/lib/Collaboration/Resources/ResourceProvider.php b/apps/files/lib/Collaboration/Resources/ResourceProvider.php
new file mode 100644
index 00000000000..d29b18afea3
--- /dev/null
+++ b/apps/files/lib/Collaboration/Resources/ResourceProvider.php
@@ -0,0 +1,140 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files\Collaboration\Resources;
+
+
+use OCP\Collaboration\Resources\IProvider;
+use OCP\Collaboration\Resources\IResource;
+use OCP\Collaboration\Resources\ResourceException;
+use OCP\Files\IRootFolder;
+use OCP\Files\Node;
+use OCP\IURLGenerator;
+use OCP\IUser;
+
+class ResourceProvider implements IProvider {
+
+	const RESOURCE_TYPE = 'files';
+
+	/** @var IRootFolder */
+	protected $rootFolder;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	/** @var array */
+	protected $nodes = [];
+
+	public function __construct(IRootFolder $rootFolder, IURLGenerator $urlGenerator) {
+		$this->rootFolder = $rootFolder;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	private function getNode(IResource $resource): ?Node {
+		if (isset($this->nodes[(int) $resource->getId()])) {
+			return $this->nodes[(int) $resource->getId()];
+		}
+		$nodes = $this->rootFolder->getById((int) $resource->getId());
+		if (!empty($nodes)) {
+			$this->nodes[(int) $resource->getId()] = array_shift($nodes);
+			return $this->nodes[(int) $resource->getId()];
+		}
+		return null;
+	}
+
+	/**
+	 * Get the display name of a resource
+	 *
+	 * @param IResource $resource
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getName(IResource $resource): string {
+		if (isset($this->nodes[(int) $resource->getId()])) {
+			return $this->nodes[(int) $resource->getId()]->getPath();
+		}
+		$node = $this->getNode($resource);
+		if ($node) {
+			return $node->getName();
+		}
+		return '';
+	}
+
+	/**
+	 * Can a user/guest access the collection
+	 *
+	 * @param IResource $resource
+	 * @param IUser $user
+	 * @return bool
+	 * @since 15.0.0
+	 */
+	public function canAccessResource(IResource $resource, IUser $user = null): bool {
+		if (!$user instanceof IUser) {
+			return false;
+		}
+
+		$userFolder = $this->rootFolder->getUserFolder($user->getUID());
+		$nodes = $userFolder->getById((int) $resource->getId());
+
+		if (!empty($nodes)) {
+			$this->nodes[(int) $resource->getId()] = array_shift($nodes);
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Get the icon class of a resource
+	 *
+	 * @param IResource $resource
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getIconClass(IResource $resource): string {
+		$node = $this->getNode($resource);
+		if ($node && $node->getMimetype() === 'httpd/unix-directory') {
+			return 'icon-files-dark';
+		}
+		return 'icon-filetype-file';
+	}
+
+	/**
+	 * Get the resource type of the provider
+	 *
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getType(): string {
+		return self::RESOURCE_TYPE;
+	}
+
+	/**
+	 * Get the link to a resource
+	 *
+	 * @param IResource $resource
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getLink(IResource $resource): string {
+		return $this->urlGenerator->linkToRoute('files.viewcontroller.showFile', ['fileid' => $resource->getId()]);
+	}
+}