backend/source/api/actions/davina_event_get.ts

namespace _zeitbild.api
{
	
	/**
	 */
	export function register_davina_event_get(
		rest_subject : lib_plankton.rest_caldav.type_rest
	) : void
	{
		register<
			null,
			(null | lib_plankton.ical.type_vcalendar)
		>(
			rest_subject,
			lib_plankton.http.enum_method.get,
			"/davina/event_get",
			{
				"query_parameters": () => ([
					{
						"name": "calendar_id",
						"required": true,
						"description": "calendar ID",
					},
					{
						"name": "event_id",
						"required": true,
						"description": "event ID",
					},
				]),
				"output_schema": () => ({
					"nullable": false,
					"type": "string",
				}),
				"response_body_mimetype": "text/calendar",
				"response_body_encode": (output) => Buffer.from(
					(typeof(output) === "string")
					?
					output
					:
					(
						lib_plankton.ical.ics_encode(output)
						/**
						 * @todo add event encoder function to plankton
						 */
						// .replace(new RegExp("[\\s\\S]*BEGIN:VEVENT([\\s\\S]*)END:VEVENT[\\s\\S]*", "m"), "BEGIN:VEVENT$1END:VEVENT")
					)
				),
				"restriction": restriction_web_auth,
				"execution": async (stuff) => {
					const user : {id : _zeitbild.type_user_id; object : _zeitbild.type_user_object;} = await _zeitbild.api.user_from_web_auth(stuff);
					
					const calendar_id : int = parseInt(stuff.query_parameters["calendar_id"]);
					const calendar_object : _zeitbild.type_calendar_object = await _zeitbild.service.calendar.get(calendar_id, user.id);
					const event_id : int = parseInt(stuff.query_parameters["event_id"]);
					const event_object : _zeitbild.type_event_object = await _zeitbild.service.resource.event_get(calendar_object.resource_id, event_id);
					
					return Promise.resolve(
						{
							"status_code": 200,
							"data": _zeitbild.helpers.ical_vcalendar_from_own_event_list([event_object]),
						}
					);
				}
			}
		);
	}
	
}