generated mongoDB id value to verfahrensId

service/ApplicationService.js

@@ -9,7 +9,12 @@ const Application = require('../models/application');
  **/
 exports.postCaseApplication = function(body) {
   return new Promise(function(resolve, reject) {
-    const applicationRecord = Application.create(body);
+    // TODO maybe remove VerfahrensId later (discuss with Peter)
+    var applicationRecord = Application.create(body).then(function(doc) {
+      doc.verfahrensId = doc.id
+      doc.save()
+      return doc
+    });
     resolve(applicationRecord);
   });
 }