Fügt Unterstützung für Aktivitätenmitglieder in DiaryView.vue hinzu. Ermöglicht das Zuordnen von Teilnehmern zu Aktivitäten, einschließlich der Verwaltung von Teilnehmern über das Backend. Aktualisiert die Datenbankmodelle und -routen, um die neuen Funktionen zu unterstützen.

backend/controllers/diaryMemberActivityController.js

@@ -0,0 +1,52 @@
+import DiaryMemberActivity from '../models/DiaryMemberActivity.js';
+import Participant from '../models/Participant.js';
+import { checkAccess } from '../utils/userUtils.js';
+
+export const getMembersForActivity = async (req, res) => {
+  try {
+    const { authcode: userToken } = req.headers;
+    const { clubId, diaryDateActivityId } = req.params;
+    await checkAccess(userToken, clubId);
+    const list = await DiaryMemberActivity.findAll({ where: { diaryDateActivityId } });
+    res.status(200).json(list);
+  } catch (e) {
+    res.status(500).json({ error: 'Error fetching members for activity' });
+  }
+};
+
+export const addMembersToActivity = async (req, res) => {
+  try {
+    const { authcode: userToken } = req.headers;
+    const { clubId, diaryDateActivityId } = req.params;
+    const { participantIds } = req.body; // array of participant ids
+    await checkAccess(userToken, clubId);
+    const validParticipants = await Participant.findAll({ where: { id: participantIds } });
+    const validIds = new Set(validParticipants.map(p => p.id));
+    const created = [];
+    for (const pid of participantIds) {
+      if (!validIds.has(pid)) continue;
+      const existing = await DiaryMemberActivity.findOne({ where: { diaryDateActivityId, participantId: pid } });
+      if (!existing) {
+        const rec = await DiaryMemberActivity.create({ diaryDateActivityId, participantId: pid });
+        created.push(rec);
+      }
+    }
+    res.status(201).json(created);
+  } catch (e) {
+    res.status(500).json({ error: 'Error adding members to activity' });
+  }
+};
+
+export const removeMemberFromActivity = async (req, res) => {
+  try {
+    const { authcode: userToken } = req.headers;
+    const { clubId, diaryDateActivityId, participantId } = req.params;
+    await checkAccess(userToken, clubId);
+    await DiaryMemberActivity.destroy({ where: { diaryDateActivityId, participantId } });
+    res.status(200).json({ ok: true });
+  } catch (e) {
+    res.status(500).json({ error: 'Error removing member from activity' });
+  }
+};
+
+