Füge Unterstützung für TTR-Änderungen hinzu: Erweitere Benachrichtigungseinstellungen und implementiere Push-Benachrichtigungen für TTR-Wertänderungen.

server/utils/push-notifications.js

@@ -150,6 +150,26 @@ function isVorstandUser(user) {
   return roles.includes('admin') || roles.includes('vorstand')
 }
 
+function normalizePersonName(value) {
+  return String(value || '')
+    .trim()
+    .toLowerCase()
+    .normalize('NFKD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .replace(/[’'`]/g, '')
+    .replace(/\s+/g, ' ')
+}
+
+function userMatchesPlayer(user, playerName) {
+  const player = normalizePersonName(playerName)
+  if (!player) return false
+  const candidates = [
+    user?.name,
+    `${user?.firstName || ''} ${user?.lastName || ''}`.trim()
+  ].map(normalizePersonName).filter(Boolean)
+  return candidates.includes(player)
+}
+
 export async function sendPushToUsers({ title, body, data = {}, predicate, bodyForUser, dataForUser, failureLabel = 'FCM-Push' }) {
   const serviceAccount = await readServiceAccount()
   if (serviceAccount == null) {
@@ -275,3 +295,44 @@ export async function sendNewUserRegistrationPush(registration) {
     failureLabel: 'FCM Registrierungs-Push'
   })
 }
+
+export async function sendOwnTtrChangePush(changes = []) {
+  const byPlayer = new Map(
+    changes
+      .filter(change => change?.playerName && Number.isFinite(change?.previousTtr) && Number.isFinite(change?.currentTtr))
+      .map(change => [normalizePersonName(change.playerName), change])
+  )
+  if (!byPlayer.size) return { sent: 0, failed: 0, removed: 0, recipients: 0, tokenCount: 0, skipped: false }
+
+  return sendPushToUsers({
+    title: 'TTR-Wert geändert',
+    data: { type: 'ttr_change' },
+    predicate: (user, settings) => settings.ownTtrChanges && [...byPlayer.values()].some(change => userMatchesPlayer(user, change.playerName)),
+    bodyForUser: (user) => {
+      const change = [...byPlayer.values()].find(entry => userMatchesPlayer(user, entry.playerName))
+      return `Dein TTR-Wert hat sich von ${change.previousTtr} auf ${change.currentTtr} geändert.`
+    },
+    dataForUser: (user) => {
+      const change = [...byPlayer.values()].find(entry => userMatchesPlayer(user, entry.playerName))
+      return {
+        previousTtr: change.previousTtr,
+        currentTtr: change.currentTtr,
+        notificationId: notificationIdFor(`ttr:${change.playerName}:${change.previousTtr}:${change.currentTtr}`)
+      }
+    },
+    failureLabel: 'FCM TTR-Änderungs-Push'
+  })
+}
+
+export async function sendTestPushToUser(userId) {
+  return sendPushToUsers({
+    title: 'Harheimer TC: Push-Test',
+    body: 'Diese Test-Benachrichtigung wurde erfolgreich vom CMS ausgelöst.',
+    data: {
+      type: 'test',
+      notificationId: notificationIdFor(`test:${userId}:${Date.now()}`)
+    },
+    predicate: user => user?.id === userId,
+    failureLabel: 'FCM Test-Push'
+  })
+}