RoundRobin Booking Error in a particular case (#2471)

* users can be array of user when roundrobin team booking is there with availablity of multiple people

* Return empty array

* Add comments

* checktype fix

* removed extra condition

Co-authored-by: Syed Ali Shahbaz <alishahbaz7@gmail.com>

apps/web/pages/api/book/event.ts

@@ -223,7 +223,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
   const reqBody = req.body as BookingCreateBody;
 
   // handle dynamic user
-  const dynamicUserList = getUsernameList(reqBody.user as string);
+  const dynamicUserList = getUsernameList(reqBody?.user);
   const eventTypeSlug = reqBody.eventTypeSlug;
   const eventTypeId = reqBody.eventTypeId;
   const tAttendees = await getTranslation(reqBody.language ?? "en", "common");

packages/lib/defaultEvents.ts

@@ -139,15 +139,29 @@ export const getUsernameSlugLink = ({ users, slug }: UsernameSlugLinkProps): str
   return slugLink;
 };
 
-export const getUsernameList = (users: string): string[] => {
+export const getUsernameList = (users: string | string[] | undefined): string[] => {
-  return users
+  if (!users) {
+    return [];
+  }
+  if (!(users instanceof Array)) {
+    users = [users];
+  }
+  const allUsers: string[] = [];
+  // Multiple users can come in case of a team round-robin booking and in that case dynamic link won't be a user.
+  // So, even though this code handles even if individual user is dynamic link, that isn't a possibility right now.
+  users.forEach((user) => {
+    allUsers.push(
+      ...user
         ?.toLowerCase()
         .replace(/ /g, "+")
         .replace(/%20/g, "+")
         .split("+")
         .filter((el) => {
           return el.length != 0;
+        })
+    );
   });
+  return allUsers;
 };
 
 export default defaultEvents;