locale upgrade

app/api/messages/route.ts

@@ -0,0 +1,94 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { getLocalizedMessage } from '@/lib/i18n-loader';
+import enMessages from '@/messages/en.json';
+import deMessages from '@/messages/de.json';
+
+// Cache für 5 Minuten
+export const revalidate = 300;
+
+const messagesMap = { en: enMessages, de: deMessages };
+
+/**
+ * GET /api/messages?locale=en
+ * Lädt ALLE Messages aus Directus + JSON Fallback
+ * Wird von next-intl als messages source verwendet
+ */
+export async function GET(req: NextRequest) {
+  const locale = req.nextUrl.searchParams.get('locale') || 'en';
+
+  // Normalize locale (de-DE -> de)
+  const normalizedLocale = locale.startsWith('de') ? 'de' : 'en';
+
+  try {
+    // Starte mit JSON als Basis
+    const jsonMessages = messagesMap[normalizedLocale as 'en' | 'de'];
+    
+    // Clone das Objekt
+    const messages = JSON.parse(JSON.stringify(jsonMessages));
+
+    // Flatten alle Keys
+    const allKeys = getAllKeys(messages);
+
+    // Lade jeden Key aus Directus (überschreibt JSON wenn vorhanden)
+    await Promise.all(
+      allKeys.map(async (key) => {
+        try {
+          const value = await getLocalizedMessage(key, locale);
+          if (value && value !== key) {
+            // Überschreibe den Wert im messages Objekt
+            setNestedValue(messages, key, value);
+          }
+        } catch (error) {
+          // Fallback auf JSON Wert (schon vorhanden)
+        }
+      })
+    );
+
+    return NextResponse.json(messages, {
+      headers: {
+        'Cache-Control': 'public, s-maxage=300, stale-while-revalidate=600',
+      },
+    });
+  } catch (error) {
+    console.error('Messages API error:', error);
+    // Fallback: Return nur JSON messages
+    return NextResponse.json(messagesMap[normalizedLocale as 'en' | 'de'], {
+      headers: {
+        'Cache-Control': 'public, s-maxage=60',
+      },
+    });
+  }
+}
+
+// Helper: Sammle alle Keys aus verschachteltem Objekt
+function getAllKeys(obj: any, prefix = ''): string[] {
+  const keys: string[] = [];
+
+  for (const [key, value] of Object.entries(obj)) {
+    const fullKey = prefix ? `${prefix}.${key}` : key;
+    
+    if (value && typeof value === 'object' && !Array.isArray(value)) {
+      keys.push(...getAllKeys(value, fullKey));
+    } else {
+      keys.push(fullKey);
+    }
+  }
+
+  return keys;
+}
+
+// Helper: Setze Wert in verschachteltem Objekt
+function setNestedValue(obj: any, path: string, value: any) {
+  const keys = path.split('.');
+  const lastKey = keys.pop()!;
+  
+  let current = obj;
+  for (const key of keys) {
+    if (!(key in current)) {
+      current[key] = {};
+    }
+    current = current[key];
+  }
+  
+  current[lastKey] = value;
+}