Implemented Basic Admin UI

appinfo/info.xml

@@ -30,6 +30,8 @@
         <nextcloud min-version="26" max-version="28"/>
     </dependencies>
     <settings>
+        <admin>OCA\Data\Settings\AdminSettings</admin>
+        <admin-section>OCA\Data\Settings\AdminSection</admin-section>
         <personal>OCA\Data\Settings\UserSettings</personal>
         <personal-section>OCA\Data\Settings\UserSection</personal-section>
     </settings>

appinfo/routes.php

@@ -50,37 +50,42 @@
 			'verb' => 'GET'
 		],
 		[
-			'name' => 'UserConfiguration#listTypes',
+			'name' => 'Settings#listUsers',
+			'url' => '/list-users',
+			'verb' => 'GET'
+		],
+		[
+			'name' => 'Settings#listTypes',
 			'url' => '/list-types',
 			'verb' => 'GET'
 		],
 		[
-			'name' => 'UserConfiguration#listCollections',
+			'name' => 'Settings#listCollections',
 			'url' => '/list-collections',
 			'verb' => 'GET'
 		],
 		[
-			'name' => 'UserConfiguration#listFormats',
+			'name' => 'Settings#listFormats',
 			'url' => '/list-formats',
 			'verb' => 'GET'
 		],
 		[
-			'name' => 'UserConfiguration#listServices',
+			'name' => 'Settings#listServices',
 			'url' => '/list-services',
 			'verb' => 'GET'
 		],
 		[
-			'name' => 'UserConfiguration#createService',
+			'name' => 'Settings#createService',
 			'url' => '/create-service',
 			'verb' => 'PUT'
 		],
 		[
-			'name' => 'UserConfiguration#modifyService',
+			'name' => 'Settings#modifyService',
 			'url' => '/modify-service',
 			'verb' => 'PUT'
 		],
 		[
-			'name' => 'UserConfiguration#deleteService',
+			'name' => 'Settings#deleteService',
 			'url' => '/delete-service',
 			'verb' => 'PUT'
 		],

lib/Controller/UserConfigurationController.php → lib/Controller/SettingsController.php

@@ -32,7 +32,7 @@
 use OCA\Data\AppInfo\Application;
 use OCA\Data\Service\DataService;
 
-class UserConfigurationController extends Controller {
+class SettingsController extends Controller {
 	private DataService $DataService;
 
 	use Errors;
@@ -44,6 +44,27 @@ public function __construct(IRequest $request,
 		$this->DataService = $DataService;
 		$this->userId = $userId;
 	}
+	/**
+	 * handels user list requests
+	 *
+	 * @return DataResponse
+	 */
+	public function listUsers(): DataResponse {
+
+		// evaluate if user id is present
+		if ($this->userId === null) {
+			return new DataResponse([], Http::STATUS_BAD_REQUEST);
+		}
+		// retrieve formats
+		$rs = $this->DataService->listUsers();
+		// return response
+		if (isset($rs)) {
+			return new DataResponse($rs);
+		} else {
+			return new DataResponse($rs['error'], 401);
+		}
+
+	}
 	/**
 	 * handels types list requests
 	 * 

lib/Db/UsersUtile.php

@@ -0,0 +1,67 @@
+<?php
+//declare(strict_types=1);
+
+/**
+* @copyright Copyright (c) 2023 Sebastian Krupinski <[email protected]>
+*
+* @author Sebastian Krupinski <[email protected]>
+*
+* @license AGPL-3.0-or-later
+*
+* 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\Data\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+
+class UsersUtile {
+
+	private IDBConnection $DataStore;
+	private string $DataStoreTable = 'users';
+
+	public function __construct(IDBConnection $db) {
+		$this->DataStore = $db;
+	}
+
+	/**
+	 * retrieve all users from data store
+	 * 
+	 * @since Release 1.0.0
+	 * 
+	 * @return array 		of data fields
+	 */
+	public function listUsers(): array {
+
+		// construct database command
+		$dc = $this->DataStore->getQueryBuilder();
+		$dc->select('uid AS id', 'displayname AS label')
+			->from($this->DataStoreTable);
+		// execute command
+		$rs = $dc->executeQuery()->fetchAll();
+		$dc->executeQuery()->closeCursor();
+		// return result or null
+		if (is_array($rs) && count($rs) > 0) {
+			return $rs;
+		}
+		else {
+			return [];
+		}
+
+	}
+
+}

lib/Service/DataService.php

@@ -51,6 +51,24 @@ public function __construct(ConfigurationService $ConfigurationService, Services
 		$this->ContactsService = $ContactsService;
 	}
 
+	/**
+	 * retrieve users
+	 * 
+	 * @since Release 1.0.0
+	 * 
+	 * @return array 			of users
+	 */
+	public function listUsers(): array {
+
+		// load helper 
+		$UserUtile = \OC::$server->get(\OCA\Data\Db\UsersUtile::class);
+		// retrieve users
+		$users = $UserUtile->listUsers();
+		// return data
+		return $users;
+
+	}
+
 	/**
 	 * retrieve types for specific user
 	 *