send mail when booking is confirmed or rejected

pages/api/admin/booking/[uuid]/index.ts

@@ -1,6 +1,11 @@
 import { BookingDocument } from '../../../../../db/booking'
 import { getBookingByUUID } from '../../../../../db/index'
 import withSession, { isAdminSession } from '../../../../../lib/session'
+import {
+  sendBookingConfirmed,
+  sendBookingRejected,
+} from '../../../../../helpers/mail'
+import { BOOKING_STATUS } from '../../../../../db/enums'
 
 export default withSession(async function bookingHandler(req, res) {
   if (!isAdminSession(req, res)) {
@@ -22,11 +27,25 @@ export default withSession(async function bookingHandler(req, res) {
 
       // FIXME: validate all the things
       booking.set(req.body)
+
+      const bookingStatusChanged = booking.isModified('status')
+
       await booking.save()
 
       await booking.populate('booker').execPopulate()
 
       res.status(200).json(booking.toJSON())
+
+      if (!bookingStatusChanged) {
+        return
+      }
+
+      if (booking.status === BOOKING_STATUS.CONFIRMED) {
+        sendBookingConfirmed(booking)
+      } else if (booking.status === BOOKING_STATUS.REJECTED) {
+        sendBookingRejected(booking)
+      }
+
       break
     default:
       res.setHeader('Allow', ['PATCH'])