refactor: extract NextRequest from handle new booking (#20082)

* extract NextRequest

* update api and tests

* booking limits tests

* fix more tests to use new approach

* update more tests with new format

* extract getOrgDomainConfig to not use req

* extract req from loadNewUsers and pass in hostname/forcedSlug

* fix instant meeting types and hostname fixes

* fix handleNewBookingReq

* fix type errors in tests

* make hostName and forcedSlug optional

* fix type err

* Revert "fix type err"

This reverts commit 9d5de9019d9dafe348c97b876baaa1d0675967e5.

* wip fix e2e

* fix: add missing headers

* migrate handle recurring event and also create tests specific to fn

* platform recurringbooking

* fix type

* hard code types on request object

* bump libraries

* fixup! bump libraries

* fix: accessing host if headers not passed

* fix: v2 recurring booking

* fix: accessing host if headers not passed

* chore: bump platform libraries

* fix tests

* push

* chore: bump libraries

* push lock changes

* bump libraries

---------

Co-authored-by: amrit <iamamrit27@gmail.com>
Co-authored-by: Morgan <33722304+ThyMinimalDev@users.noreply.github.com>
Co-authored-by: Morgan Vernay <morgan@cal.com>
Co-authored-by: supalarry <laurisskraucis@gmail.com>
Co-authored-by: Lauris Skraucis <lauris.skraucis@gmail.com>

apps/api/v1/pages/api/bookings/_post.ts

@@ -213,12 +213,14 @@ import { getAccessibleUsers } from "~/lib/utils/retrieveScopedAccessibleUsers";
  *         description: Authorization information is missing or invalid.
  */
 async function handler(req: NextApiRequest) {
-  const { userId, isSystemWideAdmin, isOrganizationOwnerOrAdmin } = req;
+  const { isSystemWideAdmin, isOrganizationOwnerOrAdmin } = req;
+  let userId = req.userId;
+
   req.body = {
     ...req.body,
     creationSource: CreationSource.API_V1,
   };
-  if (isSystemWideAdmin) req.userId = req.body.userId || userId;
+  if (isSystemWideAdmin) userId = req.body.userId || userId;
 
   if (isOrganizationOwnerOrAdmin) {
     const accessibleUsersIds = await getAccessibleUsers({
@@ -226,11 +228,19 @@ async function handler(req: NextApiRequest) {
       memberUserIds: [req.body.userId || userId],
     });
     const [requestedUserId] = accessibleUsersIds;
-    req.userId = requestedUserId || userId;
+    userId = requestedUserId || userId;
   }
 
   try {
-    return await handleNewBooking(req, getBookingDataSchemaForApi);
+    return await handleNewBooking(
+      {
+        bookingData: req.body,
+        userId,
+        hostname: req.headers.host || "",
+        forcedSlug: req.headers["x-cal-force-slug"] as string | undefined,
+      },
+      getBookingDataSchemaForApi
+    );
   } catch (error: unknown) {
     const knownError = error as Error;
     if (knownError?.message === ErrorCode.NoAvailableUsersFound) {