Added movability of dialogs

backend/services/ContactService.js

@@ -0,0 +1,22 @@
+import ContactMessage from "../models/service/contactmessage.js";
+
+class ContactService {
+
+    async addContactMessage(email, name, message, acceptDataSave) {
+        if (acceptDataSave && !email) {
+            throw new Error('emailrequired');
+        }
+        if (!acceptDataSave) {
+            name = '';
+            email = '';
+        }
+        ContactMessage.create({
+            email,
+            name,
+            message,
+            allowDataSave: acceptDataSave
+        });
+    }
+}
+
+export default new ContactService();