fix: guests are not adding when reschedule booking (#23620)

* fix: guests are not adding when reschedule booking

* Update addGuests.handler.ts

* add types

packages/prisma/zod-utils.ts

@@ -177,6 +177,8 @@ export const bookingResponses = z
   })
   .nullable();
 
+export type BookingResponses = z.infer<typeof bookingResponses>;
+
 export const eventTypeLocations = z.array(
   z.object({
     // TODO: Couldn't find a way to make it a union of types from App Store locations

packages/trpc/server/routers/viewer/bookings/addGuests.handler.ts

@@ -6,6 +6,7 @@ import { getUsersCredentialsIncludeServiceAccountKey } from "@calcom/lib/server/
 import { getTranslation } from "@calcom/lib/server/i18n";
 import { isTeamAdmin, isTeamOwner } from "@calcom/lib/server/queries/teams";
 import { prisma } from "@calcom/prisma";
+import type { BookingResponses } from "@calcom/prisma/zod-utils";
 import type { CalendarEvent } from "@calcom/types/Calendar";
 
 import { TRPCError } from "@trpc/server";
@@ -89,6 +90,8 @@ export const addGuestsHandler = async ({ ctx, input }: AddGuestsOptions) => {
     };
   });
 
+  const bookingResponses = booking.responses as BookingResponses;
+
   const bookingAttendees = await prisma.booking.update({
     where: {
       id: bookingId,
@@ -102,6 +105,10 @@ export const addGuestsHandler = async ({ ctx, input }: AddGuestsOptions) => {
           data: guestsFullDetails,
         },
       },
+      responses: {
+        ...bookingResponses,
+        guests: [...(bookingResponses?.guests || []), ...uniqueGuests],
+      },
     },
   });