First list tags the user used lately

Signed-off-by: Joas Schilling <coding@schilljs.com>

2 files changed, 91 insertions, 0 deletions

diff --git a/apps/systemtags/lib/Activity/Listener.php b/apps/systemtags/lib/Activity/Listener.php
index 69ba888c4fb..915df0d6594 100644
--- a/apps/systemtags/lib/Activity/Listener.php
+++ b/apps/systemtags/lib/Activity/Listener.php
@@ -28,6 +28,7 @@ use OCP\App\IAppManager;
 use OCP\Files\Config\IMountProviderCollection;
 use OCP\Files\IRootFolder;
 use OCP\Files\Node;
+use OCP\IConfig;
 use OCP\IGroup;
 use OCP\IGroupManager;
 use OCP\IUser;
@@ -46,6 +47,8 @@ class Listener {
 	protected $activityManager;
 	/** @var IUserSession */
 	protected $session;
+	/** @var IConfig */
+	protected $config;
 	/** @var \OCP\SystemTag\ISystemTagManager */
 	protected $tagManager;
 	/** @var \OCP\App\IAppManager */
@@ -61,6 +64,7 @@ class Listener {
 	 * @param IGroupManager $groupManager
 	 * @param IManager $activityManager
 	 * @param IUserSession $session
+	 * @param IConfig $config
 	 * @param ISystemTagManager $tagManager
 	 * @param IAppManager $appManager
 	 * @param IMountProviderCollection $mountCollection
@@ -69,6 +73,7 @@ class Listener {
 	public function __construct(IGroupManager $groupManager,
 								IManager $activityManager,
 								IUserSession $session,
+								IConfig $config,
 								ISystemTagManager $tagManager,
 								IAppManager $appManager,
 								IMountProviderCollection $mountCollection,
@@ -76,6 +81,7 @@ class Listener {
 		$this->groupManager = $groupManager;
 		$this->activityManager = $activityManager;
 		$this->session = $session;
+		$this->config = $config;
 		$this->tagManager = $tagManager;
 		$this->appManager = $appManager;
 		$this->mountCollection = $mountCollection;
@@ -124,6 +130,11 @@ class Listener {
 				$this->activityManager->publish($activity);
 			}
 		}
+
+
+		if ($actor !== '' && ($event->getEvent() === ManagerEvent::EVENT_CREATE || $event->getEvent() === ManagerEvent::EVENT_UPDATE)) {
+			$this->updateLastUsedTags($actor, $event->getTag());
+		}
 	}
 
 	/**
@@ -211,6 +222,27 @@ class Listener {
 				$this->activityManager->publish($activity);
 			}
 		}
+
+		if ($actor !== '' && $event->getEvent() === MapperEvent::EVENT_ASSIGN) {
+			foreach ($tags as $tag) {
+				$this->updateLastUsedTags($actor, $tag);
+			}
+		}
+	}
+
+	/**
+	 * @param string $actor
+	 * @param ISystemTag $tag
+	 */
+	protected function updateLastUsedTags($actor, ISystemTag $tag) {
+		$lastUsedTags = $this->config->getUserValue($actor, 'systemtags', 'last_used', '[]');
+		$lastUsedTags = json_decode($lastUsedTags, true);
+
+		array_unshift($lastUsedTags, $tag->getId());
+		array_unique($lastUsedTags);
+		$lastUsedTags = array_slice($lastUsedTags, 0, 10);
+
+		$this->config->setUserValue($actor, 'systemtags', 'last_used', json_encode($lastUsedTags));
 	}
 
 	/**
diff --git a/apps/systemtags/lib/Controller/LastUsedController.php b/apps/systemtags/lib/Controller/LastUsedController.php
new file mode 100644
index 00000000000..cbd149d75fb
--- /dev/null
+++ b/apps/systemtags/lib/Controller/LastUsedController.php
@@ -0,0 +1,59 @@
+<?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\SystemTags\Controller;
+
+
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\IConfig;
+use OCP\IRequest;
+use OCP\IUserSession;
+
+class LastUsedController extends Controller {
+
+	/** @var IConfig */
+	protected $config;
+
+	/** @var IUserSession */
+	protected $userSession;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param IConfig $config
+	 * @param IUserSession $userSession
+	 */
+	public function __construct($appName, IRequest $request, IConfig $config, IUserSession $userSession) {
+		parent::__construct($appName, $request);
+		$this->config = $config;
+		$this->userSession = $userSession;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 */
+	public function getLastUsedTagIds() {
+		$lastUsed = $this->config->getUserValue($this->userSession->getUser()->getUID(), 'systemtags', 'last_used', '[]');
+		$tagIds = json_decode($lastUsed, true);
+		return new DataResponse(array_map(function($id) { return (string) $id; }, $tagIds));
+	}
+}