Füge Geburtstags-Widget hinzu und implementiere Geburtstagsladefunktion; erweitere Sichtbarkeitseinstellungen für Geburtstage in Profil und API

server/api/members.get.js

@@ -194,9 +194,11 @@ export default defineEventHandler(async (event) => {
   const hadEmail = !!member.email
   const hadPhone = !!member.phone
   const hadAddress = !!member.address
+  const hadBirthday = !!member.geburtsdatum
   const emailVisible = (isPrivilegedViewer || (isViewerAuthenticated && showEmail))
   const phoneVisible = (isPrivilegedViewer || (isViewerAuthenticated && showPhone))
   const addressVisible = (isPrivilegedViewer || (isViewerAuthenticated && showAddress))
+  const birthdayVisible = (isPrivilegedViewer || (isViewerAuthenticated && (member.visibility && member.visibility.showBirthday !== undefined ? Boolean(member.visibility.showBirthday) : true)))
   const contactHidden = (!emailVisible && hadEmail) || (!phoneVisible && hadPhone) || (!addressVisible && hadAddress)
 
   return {
@@ -214,6 +216,18 @@ export default defineEventHandler(async (event) => {
   email: emailVisible ? member.email : undefined,
   phone: phoneVisible ? member.phone : undefined,
   address: addressVisible ? member.address : undefined,
+  // Birthday: expose only day + month and only if allowed; do not expose year or age
+  birthday: (birthdayVisible && hadBirthday) ? (function(){
+      try {
+        const d = new Date(member.geburtsdatum)
+        if (isNaN(d.getTime())) return undefined
+        const day = `${d.getDate()}`.padStart(2, '0')
+        const month = `${d.getMonth()+1}`.padStart(2, '0')
+        return `${day}.${month}`
+      } catch (_e) {
+        return undefined
+      }
+    })() : undefined,
   // Flag for UI: data existed but is hidden to the current viewer
   contactHidden
       }