remove *Document intefaces from FE code

pages/admin/booking/[uuid]/bill.tsx

@@ -3,8 +3,8 @@ import Footer from '../../../../components/footer'
 import Header from '../../../../components/header'
 import Input from '../../../../components/input'
 import Select from '../../../../components/select'
-import { AdditionalCost, BillDocument } from '../../../../db/bill'
-import { BookingDocument } from '../../../../db/booking'
+import { AdditionalCost, Bill } from '../../../../db/bill'
+import { Booking } from '../../../../db/booking'
 import { BILL_STATUS, MILAGE_TARIFS } from '../../../../db/enums'
 import { getMilageMax } from '../../../../db/index'
 import { dateFormatFrontend } from '../../../../helpers/date'
@@ -80,7 +80,7 @@ function getBillStatusLabel(status: BILL_STATUS) {
 }
 
 async function saveBill(
-  booking: BookingDocument,
+  booking: Booking,
   bill: {
     milageStart: number
     milageEnd: number
@@ -89,9 +89,9 @@ async function saveBill(
     additionalCosts: AdditionalCost[]
     status: BILL_STATUS
   }
-): Promise<BillDocument> {
+): Promise<Bill> {
   const response = await fetch(`/api/admin/booking/${booking.uuid}/bill`, {
-    method: booking.bill?._id ? 'PATCH' : 'POST',
+    method: !!booking.bill ? 'PATCH' : 'POST',
     mode: 'cors',
     cache: 'no-cache',
     credentials: 'same-origin',
@@ -108,7 +108,7 @@ export default function BookingBillPage({
   booking: bookingProp,
   milageMax,
 }: {
-  booking: BookingDocument
+  booking: Booking
   milageMax: number
 }) {
   const [booking, setBooking] = useState(bookingProp)
@@ -300,7 +300,7 @@ export default function BookingBillPage({
               className="btn btn-blue mt-3"
               disabled={storingInProgress}
             >
-              Rechnung {booking.bill?._id ? 'Updaten' : 'Erstellen'}
+              Rechnung {!!booking.bill ? 'Updaten' : 'Erstellen'}
             </button>
           </form>
         )}

pages/admin/booking/[uuid]/index.tsx

@@ -8,7 +8,7 @@ import withSession, {
   redirectToLogin,
 } from '../../../../lib/session'
 import { getServerSideBooking } from '../../../../lib/getServerSideProps'
-import { BookingDocument } from '../../../../db/booking'
+import { Booking } from '../../../../db/booking'
 import { getBookingStatus } from '../../../../helpers/booking'
 import { dateFormatFrontend } from '../../../../helpers/date'
 import { BOOKING_STATUS } from '../../../../db/enums'
@@ -52,7 +52,7 @@ async function patchBooking(uuid: string, bookingData: any) {
 export default function ShowBookingAdmin({
   booking: bookingProp,
 }: {
-  booking: BookingDocument
+  booking: Booking
 }) {
   const [booking, setBooking] = useState(bookingProp)
   const [storingBooking, setStoringBooking] = useState(false)