feat:#28 rewrote frontend input for filter eventTypes

frontend/src/api/fetchEvents.ts

@@ -0,0 +1,33 @@
+//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
+//Copyright (C) 2024 HTWKalender support@htwkalender.de
+
+//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 <https://www.gnu.org/licenses/>.
+
+// function to fetch course data from the API
+
+export async function fetchEventTypes(): Promise<string[]> {
+  const eventTypes: string[] = [];
+  await fetch("/api/events/types")
+    .then((response) => {
+      return response.json() as Promise<string[]>;
+    })
+    .then((responseModules: string[]) => {
+      responseModules.forEach((eventType: string) => {
+        eventTypes.push(
+          eventType,
+        );
+      });
+    });
+  return eventTypes;
+}