From 43eb375ace5c62201e2323b39a5f400b2bdc97b7 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Fri, 7 Nov 2014 14:26:12 +0100
Subject: Add \OC\App\Manager to handle enabling/disabling apps

---
 lib/private/app/appmanager.php | 138 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 lib/private/app/appmanager.php

(limited to 'lib/private/app/appmanager.php')

diff --git a/lib/private/app/appmanager.php b/lib/private/app/appmanager.php
new file mode 100644
index 00000000000..6d9aa0bfe37
--- /dev/null
+++ b/lib/private/app/appmanager.php
@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\App;
+
+use OCP\App\IAppManager;
+use OCP\IAppConfig;
+use OCP\IGroupManager;
+use OCP\IUserSession;
+
+class AppManager implements IAppManager {
+	/**
+	 * @var \OCP\IUserSession
+	 */
+	private $userSession;
+
+	/**
+	 * @var \OCP\IAppConfig
+	 */
+	private $appConfig;
+
+	/**
+	 * @var \OCP\IGroupManager
+	 */
+	private $groupManager;
+
+	/**
+	 * @var string[] $appId => $enabled
+	 */
+	private $installedAppsCache;
+
+	/**
+	 * @param \OCP\IUserSession $userSession
+	 * @param \OCP\IAppConfig $appConfig
+	 * @param \OCP\IGroupManager $groupManager
+	 */
+	public function __construct(IUserSession $userSession, IAppConfig $appConfig, IGroupManager $groupManager) {
+		$this->userSession = $userSession;
+		$this->appConfig = $appConfig;
+		$this->groupManager = $groupManager;
+	}
+
+	/**
+	 * @return string[] $appId => $enabled
+	 */
+	private function getInstalledApps() {
+		if (!$this->installedAppsCache) {
+			$values = $this->appConfig->getValues(false, 'enabled');
+			$this->installedAppsCache = array_filter($values, function ($value) {
+				return $value !== 'no';
+			});
+			ksort($this->installedAppsCache);
+		}
+		return $this->installedAppsCache;
+	}
+
+	/**
+	 * Check if an app is enabled for user
+	 *
+	 * @param string $appId
+	 * @param \OCP\IUser $user (optional) if not defined, the currently logged in user will be used
+	 * @return bool
+	 */
+	public function isEnabledForUser($appId, $user = null) {
+		if (is_null($user)) {
+			$user = $this->userSession->getUser();
+		}
+		$installedApps = $this->getInstalledApps();
+		if (isset($installedApps[$appId])) {
+			$enabled = $installedApps[$appId];
+			if ($enabled === 'yes') {
+				return true;
+			} elseif (is_null($user)) {
+				return false;
+			} else {
+				$groupIds = json_decode($enabled);
+				$userGroups = $this->groupManager->getUserGroupIds($user);
+				foreach ($userGroups as $groupId) {
+					if (array_search($groupId, $groupIds) !== false) {
+						return true;
+					}
+				}
+				return false;
+			}
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Check if an app is installed in the instance
+	 *
+	 * @param string $appId
+	 * @return bool
+	 */
+	public function isInstalled($appId) {
+		$installedApps = $this->getInstalledApps();
+		return isset($installedApps[$appId]);
+	}
+
+	/**
+	 * Enable an app for every user
+	 *
+	 * @param string $appId
+	 */
+	public function enableApp($appId) {
+		$this->appConfig->setValue($appId, 'enabled', 'yes');
+	}
+
+	/**
+	 * Enable an app only for specific groups
+	 *
+	 * @param string $appId
+	 * @param \OCP\IGroup[] $groups
+	 */
+	public function enableAppForGroups($appId, $groups) {
+		$groupIds = array_map(function ($group) {
+			/** @var \OCP\IGroup $group */
+			return $group->getGID();
+		}, $groups);
+		$this->appConfig->setValue($appId, 'enabled', json_encode($groupIds));
+	}
+
+	/**
+	 * Disable an app for every user
+	 *
+	 * @param string $appId
+	 */
+	public function disableApp($appId) {
+		$this->appConfig->setValue($appId, 'enabled', 'no');
+	}
+}
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