update mongoose to 5.8.3 (lots of types changes)

db/index.ts

@@ -1,6 +1,6 @@
 import * as mongoose from 'mongoose'
-import BookingModel, { Booking, BookingDocument } from './booking'
-import BillModel, { Bill } from './bill'
+import BookingModel, { IBooking } from './booking'
+import BillModel, { IBill } from './bill'
 import { getBookedDays as calendarGetBookedDays } from '../lib/googlecalendar'
 import { BOOKING_STATUS } from './enums'
 import { uniqueFilter } from '../helpers/array'
@@ -9,7 +9,7 @@ export const MONGO_URI = process.env.MONGO_URI
 
 mongoose.set('strictQuery', false);
 
-mongoose.connect(process.env.MONGO_URI, {
+mongoose.connect(MONGO_URI, {
   serverSelectionTimeoutMS: 3000,
 })
 
@@ -23,7 +23,7 @@ export async function getBookedDays(
   return [...bookedInDatabase, ...bookedInCalendar].filter(uniqueFilter).sort()
 }
 
-export async function getBookingByUUID(uuid: string): Promise<BookingDocument> {
+export async function getBookingByUUID(uuid: string): Promise<mongoose.HydratedDocument<IBooking>> {
   return BookingModel.findOne({ uuid })
 }
 
@@ -31,7 +31,7 @@ export async function getBookings({
   status = [BOOKING_STATUS.CONFIRMED, BOOKING_STATUS.REQUESTED],
   startDateGreaterThan = '2000-01-01T00:00:00Z',
 }: { status?: BOOKING_STATUS[]; startDateGreaterThan?: string } = {}): Promise<
-  BookingDocument[]
+  IBooking[]
 > {
   return await BookingModel.find({
     status: { $in: status },
@@ -53,7 +53,7 @@ export async function createBooking({
   street,
   zip,
   city,
-}: Booking): Promise<Booking> {
+}: IBooking): Promise<mongoose.FlattenMaps<IBooking & { _id: mongoose.Types.ObjectId }>> {
   const booking = new BookingModel({
     startDate,
     endDate,
@@ -69,25 +69,25 @@ export async function createBooking({
   })
 
   await booking.save()
-  return booking.toJSON<Booking>()
+  return booking.toJSON()
 }
 
 export async function patchBooking(
   bookingUUID: string,
-  bookingData: Booking
-): Promise<{ current: Booking; previous: Booking }> {
+  bookingData: IBooking
+): Promise<{ current: IBooking; previous: IBooking }> {
   const booking = await getBookingByUUID(bookingUUID)
-  const oldBooking = booking.toJSON<Booking>()
+  const oldBooking = booking.toJSON()
   booking.set(bookingData)
   await booking.save()
 
-  return { current: booking.toJSON<Booking>(), previous: oldBooking }
+  return { current: booking.toJSON(), previous: oldBooking }
 }
 
 export async function createBill(
   bookingUUID: string,
-  billData: Bill
-): Promise<Bill> {
+  billData: IBill
+): Promise<IBill> {
   const booking = await getBookingByUUID(bookingUUID)
 
   const bill = new BillModel()
@@ -95,16 +95,16 @@ export async function createBill(
 
   await bill.save()
 
-  booking.bill = bill._id
+  booking.bill = bill
   await booking.save()
 
-  return bill.toJSON<Bill>()
+  return bill.toJSON()
 }
 
 export async function patchBill(
   bookingUUID: string,
-  billData: Bill
-): Promise<Bill> {
+  billData: IBill
+): Promise<IBill> {
   const booking = await getBookingByUUID(bookingUUID)
   const bill =
     (booking.bill && (await BillModel.findById(booking.bill))) ||
@@ -113,12 +113,12 @@ export async function patchBill(
   bill.set(billData)
   await bill.save()
 
-  if (booking.bill !== bill._id) {
-    booking.bill = bill._id
+  if (booking.bill !== bill) {
+    booking.bill = bill
     await booking.save()
   }
 
-  return bill.toJSON<Bill>()
+  return bill.toJSON()
 }
 
 export async function getMilageMax(): Promise<number> {