1 files changed, 184 insertions, 0 deletions
diff --git a/apps/files_sharing/lib/Activity/Providers/Base.php b/apps/files_sharing/lib/Activity/Providers/Base.php
new file mode 100644
index 00000000000..3b73c23786e
--- /dev/null
+++ b/apps/files_sharing/lib/Activity/Providers/Base.php
@@ -0,0 +1,184 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 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_Sharing\Activity\Providers;
+
+use OCP\Activity\IEvent;
+use OCP\Activity\IManager;
+use OCP\Activity\IProvider;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\L10N\IFactory;
+
+abstract class Base implements IProvider {
+
+	/** @var IFactory */
+	protected $languageFactory;
+
+	/** @var IL10N */
+	protected $l;
+
+	/** @var IURLGenerator */
+	protected $url;
+
+	/** @var IManager */
+	protected $activityManager;
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var array */
+	protected $displayNames = [];
+
+	/**
+	 * @param IFactory $languageFactory
+	 * @param IURLGenerator $url
+	 * @param IManager $activityManager
+	 * @param IUserManager $userManager
+	 */
+	public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager) {
+		$this->languageFactory = $languageFactory;
+		$this->url = $url;
+		$this->activityManager = $activityManager;
+		$this->userManager = $userManager;
+	}
+
+	/**
+	 * @param string $language
+	 * @param IEvent $event
+	 * @param IEvent|null $previousEvent
+	 * @return IEvent
+	 * @throws \InvalidArgumentException
+	 * @since 11.0.0
+	 */
+	public function parse($language, IEvent $event, IEvent $previousEvent = null) {
+		if ($event->getApp() !== 'files_sharing') {
+			throw new \InvalidArgumentException();
+		}
+
+		$this->l = $this->languageFactory->get('files_sharing', $language);
+
+		if ($this->activityManager->isFormattingFilteredObject()) {
+			try {
+				return $this->parseShortVersion($event);
+			} catch (\InvalidArgumentException $e) {
+				// Ignore and simply use the long version...
+			}
+		}
+
+		return $this->parseLongVersion($event);
+	}
+
+	/**
+	 * @param IEvent $event
+	 * @return IEvent
+	 * @throws \InvalidArgumentException
+	 * @since 11.0.0
+	 */
+	abstract protected function parseShortVersion(IEvent $event);
+
+	/**
+	 * @param IEvent $event
+	 * @return IEvent
+	 * @throws \InvalidArgumentException
+	 * @since 11.0.0
+	 */
+	abstract protected function parseLongVersion(IEvent $event);
+
+	/**
+	 * @param IEvent $event
+	 * @param string $subject
+	 * @param array $parameters
+	 * @throws \InvalidArgumentException
+	 */
+	protected function setSubjects(IEvent $event, $subject, array $parameters) {
+		$placeholders = $replacements = [];
+		foreach ($parameters as $placeholder => $parameter) {
+			$placeholders[] = '{' . $placeholder . '}';
+			if ($parameter['type'] === 'file') {
+				$replacements[] = $parameter['path'];
+			} else {
+				$replacements[] = $parameter['name'];
+			}
+		}
+
+		$event->setParsedSubject(str_replace($placeholders, $replacements, $subject))
+			->setRichSubject($subject, $parameters);
+	}
+
+	/**
+	 * @param array|string $parameter
+	 * @param IEvent|null $event
+	 * @return array
+	 * @throws \InvalidArgumentException
+	 */
+	protected function getFile($parameter, IEvent $event = null) {
+		if (is_array($parameter)) {
+			$path = reset($parameter);
+			$id = (string) key($parameter);
+		} else if ($event !== null) {
+			// Legacy from before ownCloud 8.2
+			$path = $parameter;
+			$id = $event->getObjectId();
+		} else {
+			throw new \InvalidArgumentException('Could not generate file parameter');
+		}
+
+		return [
+			'type' => 'file',
+			'id' => $id,
+			'name' => basename($path),
+			'path' => trim($path, '/'),
+			'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $id]),
+		];
+	}
+
+	/**
+	 * @param string $uid
+	 * @return array
+	 */
+	protected function getUser($uid) {
+		if (!isset($this->displayNames[$uid])) {
+			$this->displayNames[$uid] = $this->getDisplayName($uid);
+		}
+
+		return [
+			'type' => 'user',
+			'id' => $uid,
+			'name' => $this->displayNames[$uid],
+		];
+	}
+
+	/**
+	 * @param string $uid
+	 * @return string
+	 */
+	protected function getDisplayName($uid) {
+		$user = $this->userManager->get($uid);
+		if ($user instanceof IUser) {
+			return $user->getDisplayName();
+		} else {
+			return $uid;
+		}
+	}
+}