backend/source/api/actions/session_status.ts

/*
This file is part of »zeitbild«.

Copyright 2025 'kcf' <fenris@folksprak.org>

»zeitbild« is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

»zeitbild« 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with »zeitbild«. If not, see <http://www.gnu.org/licenses/>.
 */


namespace _zeitbild.api
{
	
	/**
	 */
	export function register_session_status(
		rest_subject : lib_plankton.rest_http.type_rest
	) : void
	{
		register<
			null,
			{
				logged_in : boolean;
				name : (null | string);
			}
		>(
			rest_subject,
			lib_plankton.http.enum_method.get,
			"/session/status",
			{
				"description": "gibt Information über den Nutzer aus",
				"output_schema": () => ({
					"nullable": false,
					"type": "object",
					"additionalProperties": false,
					"properties": {
						"logged_in": {
							"nullable": false,
							"type": "boolean",
						},
						"name": {
							"nullable": true,
							"type": "string"
						},
					},
					"required": [
						"logged_in",
						"name",
					],
				}),
				"restriction": restriction_none,
				"execution": async (stuff) => {
					const user_id : (null | _zeitbild.type_user_id) = await (
						session_from_stuff(stuff)
						.then(
							(session : {key : string; value : lib_plankton.session.type_session;}) => (
								_zeitbild.service.user.identify(session.value.name)
								.catch(x => Promise.resolve(null))
							)
						)
						.catch(x => Promise.resolve(null))
					);
					const user_object : (null | _zeitbild.type_user_object) = (
						(user_id === null)
						?
						null
						:
						await _zeitbild.service.user.get(user_id)
					);
					return Promise.resolve(
						{
							"status_code": 200,
							"data": {
								"logged_in": (user_id !== null),
								"name": ((user_object === null) ? null : user_object.name),
							}
						}
					);
				}
			}
		);
	}
	
}