Add group limit for creating boards

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/Controller/ConfigController.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @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\Deck\Controller;
+
+use OCA\Deck\Service\DefaultBoardService;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http\NotFoundResponse;
+use OCP\IConfig;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IRequest;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Controller;
+use OCP\IL10N;
+
+class ConfigController extends Controller {
+
+	private $config;
+	private $userId;
+	private $groupManager;
+
+	public function __construct(
+		$AppName,
+		IRequest $request,
+		IConfig $config,
+		IGroupManager $groupManager,
+		$userId
+		) {
+		parent::__construct($AppName, $request);
+
+		$this->userId = $userId;
+		$this->groupManager = $groupManager;
+		$this->config = $config;
+	}
+
+	/**
+	 * @NoCSRFRequired
+	 */
+	public function get() {
+		$data = [
+			'groupLimit' => $this->getGroupLimit(),
+		];
+		return new DataResponse($data);
+	}
+
+	/**
+	 * @NoCSRFRequired
+	 */
+	public function setValue($key, $value) {
+		switch ($key) {
+			case 'groupLimit':
+				$result = $this->setGroupLimit($value);
+				break;
+		}
+		if ($result === null) {
+			return new NotFoundResponse();
+		}
+		return new DataResponse($result);
+	}
+
+	private function setGroupLimit($value) {
+		$groups = [];
+		foreach ($value as $group) {
+			$groups[] = $group['id'];
+		}
+		$data = implode(',', $groups);
+		$this->config->setAppValue($this->appName, 'groupLimit', $data);
+		return $groups;
+	}
+
+	private function getGroupLimitList() {
+		$value = $this->config->getAppValue($this->appName, 'groupLimit', '');
+		$groups = explode(',', $value);
+		if ($value === '') {
+			return [];
+		}
+		return $groups;
+	}
+
+	private function getGroupLimit() {
+		$groups = $this->getGroupLimitList();
+		$groups = array_map(function($groupId) {
+			/** @var IGroup $groups */
+			$group = $this->groupManager->get($groupId);
+			return [
+				'id' => $group->getGID(),
+				'displayname' => $group->getDisplayName(),
+				'usercount' => $group->count(),
+				'disabled' => $group->countDisabled(),
+				'canAdd' => $group->canAddUser(),
+				'canRemove' => $group->canRemoveUser(),
+			];
+		}, $groups);
+		return $groups;
+	}
+
+}

lib/Controller/PageController.php

@@ -24,6 +24,7 @@
 namespace OCA\Deck\Controller;
 
 use OCA\Deck\Service\DefaultBoardService;
+use OCA\Deck\Service\PermissionService;
 use OCP\IRequest;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\AppFramework\Controller;
@@ -32,13 +33,15 @@ use OCP\IL10N;
 class PageController extends Controller {
 
 	private $defaultBoardService;
+	private $permissionService;
 	private $userId;
 	private $l10n;
 
 	public function __construct(
-		$AppName, 
-		IRequest $request,		
+		$AppName,
+		IRequest $request,
 		DefaultBoardService $defaultBoardService,
+		PermissionService $permissionService,
 		IL10N $l10n,
 		$userId
 		) {
@@ -46,6 +49,7 @@ class PageController extends Controller {
 
 		$this->userId = $userId;
 		$this->defaultBoardService = $defaultBoardService;
+		$this->permissionService = $permissionService;
 		$this->l10n = $l10n;
 	}
 
@@ -60,8 +64,9 @@ class PageController extends Controller {
 		$params = [
 			'user' => $this->userId,
 			'maxUploadSize' => (int)\OCP\Util::uploadLimit(),
+			'canCreate' => $this->permissionService->canCreate()
 		];
-			
+
 		if ($this->defaultBoardService->checkFirstRun($this->userId, $this->appName)) {
 			$this->defaultBoardService->createDefaultBoard($this->l10n->t('Personal'), $this->userId, '000000');
 		}