use uuid only additionally for booking

db/booker.js

@@ -1,12 +1,7 @@
-import { v4 as uuidv4 } from 'uuid'
 import * as mongoose from 'mongoose'
 
 const BookerSchema = new mongoose.Schema(
   {
-    _id: {
-      type: String,
-      default: uuidv4,
-    },
     name: { type: String, required: true },
     email: { type: String, required: true, unique: true, minlength: 5 },
     street: { type: String, required: true },

db/booking.js

@@ -5,7 +5,8 @@ import { getDays, dateFormatBackend } from '../helpers/date'
 
 const BookingSchema = new mongoose.Schema(
   {
-    _id: {
+    // need a seperate uuid to be able to target a booking anonimously
+    uuid: {
       type: String,
       default: uuidv4,
     },