--- /dev/null
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\SystemTags\Activity;
+
+use OCP\Activity\IExtension;
+use OCP\Activity\IManager;
+use OCP\IL10N;
+use OCP\L10N\IFactory;
+
+/**
+ * Class Extension
+ *
+ * @package OCA\SystemTags\Activity
+ */
+class Extension implements IExtension {
+ const APP_NAME = 'systemtags';
+
+ const CREATE_TAG = 'create_tag';
+ const UPDATE_TAG = 'update_tag';
+ const DELETE_TAG = 'delete_tag';
+
+ /** @var IFactory */
+ protected $languageFactory;
+
+ /** @var IManager */
+ protected $activityManager;
+
+ /**
+ * @param IFactory $languageFactory
+ * @param IManager $activityManager
+ */
+ public function __construct(IFactory $languageFactory, IManager $activityManager) {
+ $this->languageFactory = $languageFactory;
+ $this->activityManager = $activityManager;
+ }
+
+ protected function getL10N($languageCode = null) {
+ return $this->languageFactory->get(self::APP_NAME, $languageCode);
+ }
+
+ /**
+ * The extension can return an array of additional notification types.
+ * If no additional types are to be added false is to be returned
+ *
+ * @param string $languageCode
+ * @return array|false
+ */
+ public function getNotificationTypes($languageCode) {
+ $l = $this->getL10N($languageCode);
+
+ return array(
+ self::APP_NAME => (string) $l->t('<strong>System tags</strong> for a file have been modified'),
+ );
+ }
+
+ /**
+ * For a given method additional types to be displayed in the settings can be returned.
+ * In case no additional types are to be added false is to be returned.
+ *
+ * @param string $method
+ * @return array|false
+ */
+ public function getDefaultTypes($method) {
+ return [self::APP_NAME];
+ }
+
+ /**
+ * A string naming the css class for the icon to be used can be returned.
+ * If no icon is known for the given type false is to be returned.
+ *
+ * @param string $type
+ * @return string|false
+ */
+ public function getTypeIcon($type) {
+ switch ($type) {
+ case self::APP_NAME:
+ return false;
+ }
+
+ return false;
+ }
+
+ /**
+ * The extension can translate a given message to the requested languages.
+ * If no translation is available false is to be returned.
+ *
+ * @param string $app
+ * @param string $text
+ * @param array $params
+ * @param boolean $stripPath
+ * @param boolean $highlightParams
+ * @param string $languageCode
+ * @return string|false
+ */
+ public function translate($app, $text, $params, $stripPath, $highlightParams, $languageCode) {
+ if ($app !== self::APP_NAME) {
+ return false;
+ }
+
+ $l = $this->getL10N($languageCode);
+
+ /*
+ if ($this->activityManager->isFormattingFilteredObject()) {
+ $translation = $this->translateShort($text, $l, $params);
+ if ($translation !== false) {
+ return $translation;
+ }
+ }
+ */
+
+ return $this->translateLong($text, $l, $params);
+ }
+
+ /**
+ * @param string $text
+ * @param IL10N $l
+ * @param array $params
+ * @return bool|string
+ */
+ protected function translateLong($text, IL10N $l, array $params) {
+
+ switch ($text) {
+ case self::CREATE_TAG:
+ $params[1] = $this->convertParameterToTag($params[1], $l);
+ return (string) $l->t('%1$s created system tag %2$s', $params);
+ case self::DELETE_TAG:
+ $params[1] = $this->convertParameterToTag($params[1], $l);
+ return (string) $l->t('%1$s deleted system tag %2$s', $params);
+ case self::UPDATE_TAG:
+ $params[1] = $this->convertParameterToTag($params[1], $l);
+ $params[2] = $this->convertParameterToTag($params[2], $l);
+ return (string) $l->t('%1$s updated system tag %3$s to %2$s', $params);
+ }
+
+ return false;
+ }
+
+ /**
+ * The extension can define the type of parameters for translation
+ *
+ * Currently known types are:
+ * * file => will strip away the path of the file and add a tooltip with it
+ * * username => will add the avatar of the user
+ *
+ * @param string $app
+ * @param string $text
+ * @return array|false
+ */
+ public function getSpecialParameterList($app, $text) {
+ if ($app === self::APP_NAME) {
+ switch ($text) {
+ case self::CREATE_TAG:
+ case self::DELETE_TAG:
+ return array(
+ 0 => 'username',
+ //1 => 'systemtag description',
+ );
+ case self::UPDATE_TAG:
+ return array(
+ 0 => 'username',
+ //1 => 'systemtag description',
+ //2 => 'systemtag description',
+ );
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * The extension can define the parameter grouping by returning the index as integer.
+ * In case no grouping is required false is to be returned.
+ *
+ * @param array $activity
+ * @return integer|false
+ */
+ public function getGroupParameter($activity) {
+ if ($activity['app'] === self::APP_NAME) {
+ switch ($activity['subject']) {
+ case self::CREATE_TAG:
+ // Group by system tag
+ // return 1;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * The extension can define additional navigation entries. The array returned has to contain two keys 'top'
+ * and 'apps' which hold arrays with the relevant entries.
+ * If no further entries are to be added false is no be returned.
+ *
+ * @return array|false
+ */
+ public function getNavigation() {
+ return false;
+ }
+
+ /**
+ * The extension can check if a custom filter (given by a query string like filter=abc) is valid or not.
+ *
+ * @param string $filterValue
+ * @return boolean
+ */
+ public function isFilterValid($filterValue) {
+ return false;
+ }
+
+ /**
+ * The extension can filter the types based on the filter if required.
+ * In case no filter is to be applied false is to be returned unchanged.
+ *
+ * @param array $types
+ * @param string $filter
+ * @return array|false
+ */
+ public function filterNotificationTypes($types, $filter) {
+ return false;
+ }
+
+ /**
+ * For a given filter the extension can specify the sql query conditions including parameters for that query.
+ * In case the extension does not know the filter false is to be returned.
+ * The query condition and the parameters are to be returned as array with two elements.
+ * E.g. return array('`app` = ? and `message` like ?', array('mail', 'ownCloud%'));
+ *
+ * @param string $filter
+ * @return array|false
+ */
+ public function getQueryForFilter($filter) {
+ return false;
+ }
+
+ /**
+ * @param string $parameter
+ * @param IL10N $l
+ * @return string
+ */
+ protected function convertParameterToTag($parameter, IL10N $l) {
+ if (preg_match('/^\<parameter\>\{\{\{(.*)\|\|\|(.*)\}\}\}\<\/parameter\>$/', $parameter, $matches)) {
+ switch ($matches[2]) {
+ case 'assignable':
+ return '<parameter>' . $matches[1] . '</parameter>';
+ case 'not-assignable':
+ return '<parameter>' . $l->t('%s (not-assignable)', $matches[1]) . '</parameter>';
+ case 'invisible':
+ return '<parameter>' . $l->t('%s (invisible)', $matches[1]) . '</parameter>';
+ }
+ }
+
+ return $parameter;
+ }
+}
--- /dev/null
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\SystemTags\Activity;
+
+use OCP\Activity\IManager;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\IUserSession;
+use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ManagerEvent;
+
+class Listener {
+ protected $groupManager;
+ protected $activityManager;
+ protected $session;
+
+ /**
+ * Listener constructor.
+ *
+ * @param IGroupManager $groupManager
+ * @param IManager $activityManager
+ * @param IUserSession $session
+ */
+ public function __construct(IGroupManager $groupManager, IManager $activityManager, IUserSession $session) {
+ $this->groupManager = $groupManager;
+ $this->activityManager = $activityManager;
+ $this->session = $session;
+ }
+
+ public function event(ManagerEvent $event) {
+ $actor = $this->session->getUser();
+ if ($actor instanceof IUser) {
+ $actor = $actor->getUID();
+ } else {
+ $actor = '';
+ }
+
+ $activity = $this->activityManager->generateEvent();
+ $activity->setApp(Extension::APP_NAME)
+ ->setType(Extension::APP_NAME)
+ ->setAuthor($actor);
+ if ($event->getEvent() === ManagerEvent::EVENT_CREATE) {
+ $activity->setSubject(Extension::CREATE_TAG, [
+ $actor,
+ $this->prepareTagAsParameter($event->getTag()),
+ ]);
+ } else if ($event->getEvent() === ManagerEvent::EVENT_UPDATE) {
+ $activity->setSubject(Extension::UPDATE_TAG, [
+ $actor,
+ $this->prepareTagAsParameter($event->getTag()),
+ $this->prepareTagAsParameter($event->getTagBefore()),
+ ]);
+ } else if ($event->getEvent() === ManagerEvent::EVENT_DELETE) {
+ $activity->setSubject(Extension::DELETE_TAG, [
+ $actor,
+ $this->prepareTagAsParameter($event->getTag()),
+ ]);
+ } else {
+ return;
+ }
+
+ $group = $this->groupManager->get('admin');
+ if ($group instanceof IGroup) {
+ foreach ($group->getUsers() as $user) {
+ $activity->setAffectedUser($user->getUID());
+ $this->activityManager->publish($activity);
+ }
+ }
+ }
+
+ /**
+ * @param ISystemTag $tag
+ * @return string
+ */
+ protected function prepareTagAsParameter(ISystemTag $tag) {
+ if (!$tag->isUserVisible()) {
+ return '{{{' . $tag->getName() . '|||invisible}}}';
+ } else if (!$tag->isUserAssignable()) {
+ return '{{{' . $tag->getName() . '|||not-assignable}}}';
+ } else {
+ return '{{{' . $tag->getName() . '|||assignable}}}';
+ }
+ }
+}