Merge pull request #9773 from nextcloud/feature/noid/resource_booking

resource booking

13 files changed, 696 insertions, 0 deletions

diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index d0ff57de552..b416d6e77bd 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -77,8 +77,15 @@ return array(
     'OCP\\BackgroundJob' => $baseDir . '/lib/public/BackgroundJob.php',
     'OCP\\BackgroundJob\\IJob' => $baseDir . '/lib/public/BackgroundJob/IJob.php',
     'OCP\\BackgroundJob\\IJobList' => $baseDir . '/lib/public/BackgroundJob/IJobList.php',
+    'OCP\\Calendar\\BackendTemporarilyUnavailableException' => $baseDir . '/lib/public/Calendar/BackendTemporarilyUnavailableException.php',
     'OCP\\Calendar\\ICalendar' => $baseDir . '/lib/public/Calendar/ICalendar.php',
     'OCP\\Calendar\\IManager' => $baseDir . '/lib/public/Calendar/IManager.php',
+    'OCP\\Calendar\\Resource\\IBackend' => $baseDir . '/lib/public/Calendar/Resource/IBackend.php',
+    'OCP\\Calendar\\Resource\\IManager' => $baseDir . '/lib/public/Calendar/Resource/IManager.php',
+    'OCP\\Calendar\\Resource\\IResource' => $baseDir . '/lib/public/Calendar/Resource/IResource.php',
+    'OCP\\Calendar\\Room\\IBackend' => $baseDir . '/lib/public/Calendar/Room/IBackend.php',
+    'OCP\\Calendar\\Room\\IManager' => $baseDir . '/lib/public/Calendar/Room/IManager.php',
+    'OCP\\Calendar\\Room\\IRoom' => $baseDir . '/lib/public/Calendar/Room/IRoom.php',
     'OCP\\Capabilities\\ICapability' => $baseDir . '/lib/public/Capabilities/ICapability.php',
     'OCP\\Capabilities\\IPublicCapability' => $baseDir . '/lib/public/Capabilities/IPublicCapability.php',
     'OCP\\Collaboration\\AutoComplete\\IManager' => $baseDir . '/lib/public/Collaboration/AutoComplete/IManager.php',
@@ -446,6 +453,8 @@ return array(
     'OC\\Cache\\CappedMemoryCache' => $baseDir . '/lib/private/Cache/CappedMemoryCache.php',
     'OC\\Cache\\File' => $baseDir . '/lib/private/Cache/File.php',
     'OC\\Calendar\\Manager' => $baseDir . '/lib/private/Calendar/Manager.php',
+    'OC\\Calendar\\Resource\\Manager' => $baseDir . '/lib/private/Calendar/Resource/Manager.php',
+    'OC\\Calendar\\Room\\Manager' => $baseDir . '/lib/private/Calendar/Room/Manager.php',
     'OC\\CapabilitiesManager' => $baseDir . '/lib/private/CapabilitiesManager.php',
     'OC\\Collaboration\\AutoComplete\\Manager' => $baseDir . '/lib/private/Collaboration/AutoComplete/Manager.php',
     'OC\\Collaboration\\Collaborators\\GroupPlugin' => $baseDir . '/lib/private/Collaboration/Collaborators/GroupPlugin.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 3d5a6536c65..2ada951e03e 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -107,8 +107,15 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\BackgroundJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob.php',
         'OCP\\BackgroundJob\\IJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/IJob.php',
         'OCP\\BackgroundJob\\IJobList' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/IJobList.php',
+        'OCP\\Calendar\\BackendTemporarilyUnavailableException' => __DIR__ . '/../../..' . '/lib/public/Calendar/BackendTemporarilyUnavailableException.php',
         'OCP\\Calendar\\ICalendar' => __DIR__ . '/../../..' . '/lib/public/Calendar/ICalendar.php',
         'OCP\\Calendar\\IManager' => __DIR__ . '/../../..' . '/lib/public/Calendar/IManager.php',
+        'OCP\\Calendar\\Resource\\IBackend' => __DIR__ . '/../../..' . '/lib/public/Calendar/Resource/IBackend.php',
+        'OCP\\Calendar\\Resource\\IManager' => __DIR__ . '/../../..' . '/lib/public/Calendar/Resource/IManager.php',
+        'OCP\\Calendar\\Resource\\IResource' => __DIR__ . '/../../..' . '/lib/public/Calendar/Resource/IResource.php',
+        'OCP\\Calendar\\Room\\IBackend' => __DIR__ . '/../../..' . '/lib/public/Calendar/Room/IBackend.php',
+        'OCP\\Calendar\\Room\\IManager' => __DIR__ . '/../../..' . '/lib/public/Calendar/Room/IManager.php',
+        'OCP\\Calendar\\Room\\IRoom' => __DIR__ . '/../../..' . '/lib/public/Calendar/Room/IRoom.php',
         'OCP\\Capabilities\\ICapability' => __DIR__ . '/../../..' . '/lib/public/Capabilities/ICapability.php',
         'OCP\\Capabilities\\IPublicCapability' => __DIR__ . '/../../..' . '/lib/public/Capabilities/IPublicCapability.php',
         'OCP\\Collaboration\\AutoComplete\\IManager' => __DIR__ . '/../../..' . '/lib/public/Collaboration/AutoComplete/IManager.php',
@@ -476,6 +483,8 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Cache\\CappedMemoryCache' => __DIR__ . '/../../..' . '/lib/private/Cache/CappedMemoryCache.php',
         'OC\\Cache\\File' => __DIR__ . '/../../..' . '/lib/private/Cache/File.php',
         'OC\\Calendar\\Manager' => __DIR__ . '/../../..' . '/lib/private/Calendar/Manager.php',
+        'OC\\Calendar\\Resource\\Manager' => __DIR__ . '/../../..' . '/lib/private/Calendar/Resource/Manager.php',
+        'OC\\Calendar\\Room\\Manager' => __DIR__ . '/../../..' . '/lib/private/Calendar/Room/Manager.php',
         'OC\\CapabilitiesManager' => __DIR__ . '/../../..' . '/lib/private/CapabilitiesManager.php',
         'OC\\Collaboration\\AutoComplete\\Manager' => __DIR__ . '/../../..' . '/lib/private/Collaboration/AutoComplete/Manager.php',
         'OC\\Collaboration\\Collaborators\\GroupPlugin' => __DIR__ . '/../../..' . '/lib/private/Collaboration/Collaborators/GroupPlugin.php',
diff --git a/lib/private/Calendar/Resource/Manager.php b/lib/private/Calendar/Resource/Manager.php
new file mode 100644
index 00000000000..2d1746cb989
--- /dev/null
+++ b/lib/private/Calendar/Resource/Manager.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OC\Calendar\Resource;
+
+use OCP\Calendar\Resource\IBackend;
+
+class Manager implements \OCP\Calendar\Resource\IManager {
+
+	/** @var IBackend[] holds all registered resource backends */
+	private $backends;
+
+	/**
+	 * Registers a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function registerBackend(IBackend $backend) {
+		$this->backends[$backend->getBackendIdentifier()] = $backend;
+	}
+
+	/**
+	 * Unregisters a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function unregisterBackend(IBackend $backend) {
+		unset($this->backends[$backend->getBackendIdentifier()]);
+	}
+
+	/**
+	 * @return IBackend[]
+	 * @since 14.0.0
+	 */
+	public function getBackends():array {
+		return array_values($this->backends);
+	}
+
+	/**
+	 * @param string $backendId
+	 * @return IBackend|null
+	 */
+	public function getBackend($backendId):IBackend {
+		if (!isset($this->backends[$backendId])) {
+			return null;
+		}
+
+		return $this->backends[$backendId];
+	}
+
+	/**
+	 * removes all registered backend instances
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function clear() {
+		$this->backends = [];
+	}
+}
diff --git a/lib/private/Calendar/Room/Manager.php b/lib/private/Calendar/Room/Manager.php
new file mode 100644
index 00000000000..9ddf1f1d7b7
--- /dev/null
+++ b/lib/private/Calendar/Room/Manager.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OC\Calendar\Room;
+
+use OCP\Calendar\Room\IBackend;
+
+class Manager implements \OCP\Calendar\Room\IManager {
+
+	/** @var IBackend[] holds all registered resource backends */
+	private $backends;
+
+	/**
+	 * Registers a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function registerBackend(IBackend $backend) {
+		$this->backends[$backend->getBackendIdentifier()] = $backend;
+	}
+
+	/**
+	 * Unregisters a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function unregisterBackend(IBackend $backend) {
+		unset($this->backends[$backend->getBackendIdentifier()]);
+	}
+
+	/**
+	 * @return IBackend[]
+	 * @since 14.0.0
+	 */
+	public function getBackends():array {
+		return array_values($this->backends);
+	}
+
+	/**
+	 * @param string $backendId
+	 * @return IBackend|null
+	 */
+	public function getBackend($backendId):IBackend {
+		if (!isset($this->backends[$backendId])) {
+			return null;
+		}
+
+		return $this->backends[$backendId];
+	}
+
+	/**
+	 * removes all registered backend instances
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function clear() {
+		$this->backends = [];
+	}
+}
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 7824638b212..3c15873206d 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -174,6 +174,12 @@ class Server extends ServerContainer implements IServerContainer {
 		$this->registerAlias(\OCP\Calendar\IManager::class, \OC\Calendar\Manager::class);
 		$this->registerAlias('CalendarManager', \OC\Calendar\Manager::class);
 
+		$this->registerAlias(\OCP\Calendar\Resource\IManager::class, \OC\Calendar\Resource\Manager::class);
+		$this->registerAlias('CalendarResourceBackendManager', \OC\Calendar\Resource\Manager::class);
+
+		$this->registerAlias(\OCP\Calendar\Room\IManager::class, \OC\Calendar\Room\Manager::class);
+		$this->registerAlias('CalendarRoomBackendManager', \OC\Calendar\Room\Manager::class);
+
 		$this->registerAlias(\OCP\Contacts\IManager::class, \OC\ContactsManager::class);
 		$this->registerAlias('ContactsManager', \OCP\Contacts\IManager::class);
 
@@ -1163,6 +1169,20 @@ class Server extends ServerContainer implements IServerContainer {
 		return $this->query('CalendarManager');
 	}
 
+	/**
+	 * @return \OCP\Calendar\Resource\IManager
+	 */
+	public function getCalendarResourceBackendManager() {
+		return $this->query('CalendarResourceBackendManager');
+	}
+
+	/**
+	 * @return \OCP\Calendar\Room\IManager
+	 */
+	public function getCalendarRoomBackendManager() {
+		return $this->query('CalendarRoomBackendManager');
+	}
+
 	private function connectDispatcher() {
 		$dispatcher = $this->getEventDispatcher();
 
diff --git a/lib/public/Calendar/BackendTemporarilyUnavailableException.php b/lib/public/Calendar/BackendTemporarilyUnavailableException.php
new file mode 100644
index 00000000000..632a802359c
--- /dev/null
+++ b/lib/public/Calendar/BackendTemporarilyUnavailableException.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar;
+
+/**
+ * Class BackendTemporarilyUnavailableException
+ *
+ * @package OCP\Calendar
+ * @since 14.0.0
+ */
+class BackendTemporarilyUnavailableException extends \Exception {}
diff --git a/lib/public/Calendar/Resource/IBackend.php b/lib/public/Calendar/Resource/IBackend.php
new file mode 100644
index 00000000000..24635219fe0
--- /dev/null
+++ b/lib/public/Calendar/Resource/IBackend.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Resource;
+use OCP\Calendar\BackendTemporarilyUnavailableException;
+
+/**
+ * Interface IBackend
+ *
+ * @package OCP\Calendar\Resource
+ * @since 14.0.0
+ */
+interface IBackend {
+
+	/**
+	 * get a list of all resources in this backend
+	 *
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return IResource[]
+	 * @since 14.0.0
+	 */
+	public function getAllResources():array;
+
+	/**
+	 * get a list of all resource identifiers in this backend
+	 *
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return string[]
+	 * @since 14.0.0
+	 */
+	public function listAllResources():array;
+
+	/**
+	 * get a resource by it's id
+	 *
+	 * @param string $id
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return IResource|null
+	 * @since 14.0.0
+	 */
+	public function getResource($id);
+
+	/**
+	 * Get unique identifier of the backend
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getBackendIdentifier():string;
+}
diff --git a/lib/public/Calendar/Resource/IManager.php b/lib/public/Calendar/Resource/IManager.php
new file mode 100644
index 00000000000..8542e13eba7
--- /dev/null
+++ b/lib/public/Calendar/Resource/IManager.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Resource;
+
+/**
+ * Interface IManager
+ *
+ * @package OCP\Calendar\Resource
+ * @since 14.0.0
+ */
+interface IManager {
+
+	/**
+	 * Registers a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function registerBackend(IBackend $backend);
+
+	/**
+	 * Unregisters a resource backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function unregisterBackend(IBackend $backend);
+
+	/**
+	 * @return IBackend[]
+	 * @since 14.0.0
+	 */
+	public function getBackends():array;
+
+	/**
+	 * @param string $backendId
+	 * @return IBackend
+	 * @since 14.0.0
+	 */
+	public function getBackend($backendId):IBackend;
+
+	/**
+	 * removes all registered backend instances
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function clear();
+}
diff --git a/lib/public/Calendar/Resource/IResource.php b/lib/public/Calendar/Resource/IResource.php
new file mode 100644
index 00000000000..1f588ccb48d
--- /dev/null
+++ b/lib/public/Calendar/Resource/IResource.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Resource;
+
+/**
+ * Interface IResource
+ *
+ * @package OCP\Calendar\Resource
+ * @since 14.0.0
+ */
+interface IResource {
+
+	/**
+	 * get the resource id
+	 *
+	 * This id has to be unique within the backend
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getId():string;
+
+	/**
+	 * get the display name for a resource
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getDisplayName():string;
+
+	/**
+	 * Get a list of groupIds that are allowed to access this resource
+	 *
+	 * If an empty array is returned, no group restrictions are
+	 * applied.
+	 *
+	 * @return string[]
+	 * @since 14.0.0
+	 */
+	public function getGroupRestrictions():array;
+
+	/**
+	 * get email-address for resource
+	 *
+	 * The email address has to be globally unique
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getEMail():string;
+
+	/**
+	 * Get corresponding backend object
+	 *
+	 * @return IBackend
+	 * @since 14.0.0
+	 */
+	public function getBackend():IBackend;
+}
diff --git a/lib/public/Calendar/Room/IBackend.php b/lib/public/Calendar/Room/IBackend.php
new file mode 100644
index 00000000000..f675012ab39
--- /dev/null
+++ b/lib/public/Calendar/Room/IBackend.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Room;
+use OCP\Calendar\BackendTemporarilyUnavailableException;
+
+/**
+ * Interface IBackend
+ *
+ * @package OCP\Calendar\Room
+ * @since 14.0.0
+ */
+interface IBackend {
+
+	/**
+	 * get a list of all rooms in this backend
+	 *
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return IRoom[]
+	 * @since 14.0.0
+	 */
+	public function getAllRooms():array;
+
+	/**
+	 * get a list of all room identifiers in this backend
+	 *
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return string[]
+	 * @since 14.0.0
+	 */
+	public function listAllRooms():array;
+
+	/**
+	 * get a room by it's id
+	 *
+	 * @param string $id
+	 * @throws BackendTemporarilyUnavailableException
+	 * @return IRoom|null
+	 * @since 14.0.0
+	 */
+	public function getRoom($id);
+
+	/**
+	 * Get unique identifier of the backend
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getBackendIdentifier():string;
+}
diff --git a/lib/public/Calendar/Room/IManager.php b/lib/public/Calendar/Room/IManager.php
new file mode 100644
index 00000000000..39e85c43e45
--- /dev/null
+++ b/lib/public/Calendar/Room/IManager.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Room;
+
+/**
+ * Interface IManager
+ *
+ * @package OCP\Calendar\Room
+ * @since 14.0.0
+ */
+interface IManager {
+
+	/**
+	 * Registers a room backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function registerBackend(IBackend $backend);
+
+	/**
+	 * Unregisters a room backend
+	 *
+	 * @param IBackend $backend
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function unregisterBackend(IBackend $backend);
+
+	/**
+	 * @return IBackend[]
+	 * @since 14.0.0
+	 */
+	public function getBackends():array;
+
+	/**
+	 * @param string $backendId
+	 * @return IBackend
+	 * @since 14.0.0
+	 */
+	public function getBackend($backendId):IBackend;
+
+	/**
+	 * removes all registered backend instances
+	 * @return void
+	 * @since 14.0.0
+	 */
+	public function clear();
+}
diff --git a/lib/public/Calendar/Room/IRoom.php b/lib/public/Calendar/Room/IRoom.php
new file mode 100644
index 00000000000..d860bb6fc57
--- /dev/null
+++ b/lib/public/Calendar/Room/IRoom.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * @copyright 2018, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.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 OCP\Calendar\Room;
+
+/**
+ * Interface IRoom
+ *
+ * @package OCP\Calendar\Room
+ * @since 14.0.0
+ */
+interface IRoom {
+
+	/**
+	 * get the room id
+	 *
+	 * This id has to be unique within the backend
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getId():string;
+
+	/**
+	 * get the display name for a room
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getDisplayName():string;
+
+	/**
+	 * Get a list of groupIds that are allowed to access this room
+	 *
+	 * If an empty array is returned, no group restrictions are
+	 * applied.
+	 *
+	 * @return string[]
+	 * @since 14.0.0
+	 */
+	public function getGroupRestrictions():array;
+
+	/**
+	 * get email-address for room
+	 *
+	 * The email address has to be globally unique
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getEMail():string;
+
+	/**
+	 * Get corresponding backend object
+	 *
+	 * @return IBackend
+	 * @since 14.0.0
+	 */
+	public function getBackend():IBackend;
+}
diff --git a/lib/public/IServerContainer.php b/lib/public/IServerContainer.php
index c38aaf9f2cb..96015d3f8a8 100644
--- a/lib/public/IServerContainer.php
+++ b/lib/public/IServerContainer.php
@@ -68,6 +68,24 @@ interface IServerContainer extends IContainer {
 	public function getCalendarManager();
 
 	/**
+	 * The calendar resource backend manager will act as a broker between consumers
+	 * for calendar resource information an providers which actual deliver the room information.
+	 *
+	 * @return \OCP\Calendar\Resource\IBackend
+	 * @since 14.0.0
+	 */
+	public function getCalendarResourceBackendManager();
+
+	/**
+	 * The calendar room backend manager will act as a broker between consumers
+	 * for calendar room information an providers which actual deliver the room information.
+	 *
+	 * @return \OCP\Calendar\Room\IBackend
+	 * @since 14.0.0
+	 */
+	public function getCalendarRoomBackendManager();
+
+	/**
 	 * The contacts manager will act as a broker between consumers for contacts information and
 	 * providers which actual deliver the contact information.
 	 *