fix: prevent creating multiple platform orgs (#16629)

* set error messages to know whats wrong

* trying to find if org with same owner already exists

* ensure a user cannot create more than one platform team

---------

Co-authored-by: Anik Dhabal Babu <81948346+anikdhabal@users.noreply.github.com>

packages/features/ee/platform/components/CreateANewPlatformForm.tsx

@@ -65,11 +65,13 @@ const CreateANewPlatformFormChild = ({ session }: { session: Ensure<SessionConte
     onError: (err) => {
       if (err.message === "organization_url_taken") {
         newOrganizationFormMethods.setError("slug", { type: "custom", message: t("url_taken") });
+        setServerErrorMessage(err.message);
       } else if (err.message === "domain_taken_team" || err.message === "domain_taken_project") {
         newOrganizationFormMethods.setError("slug", {
           type: "custom",
           message: t("problem_registering_domain"),
         });
+        setServerErrorMessage(err.message);
       } else {
         setServerErrorMessage(err.message);
       }

packages/trpc/server/routers/viewer/organizations/create.handler.ts

@@ -104,6 +104,8 @@ export const createHandler = async ({ input, ctx }: CreateOptions) => {
           team: {
             select: {
               slug: true,
+              isOrganization: true,
+              isPlatform: true,
             },
           },
         },
@@ -160,6 +162,14 @@ export const createHandler = async ({ input, ctx }: CreateOptions) => {
   if (hasAnOrgWithSameSlug || RESERVED_SUBDOMAINS.includes(slug))
     throw new TRPCError({ code: "BAD_REQUEST", message: "organization_url_taken" });
 
+  const hasExistingPlatformOrOrgTeam = loggedInUser?.teams.find((team) => {
+    return team.team.isPlatform || team.team.isOrganization;
+  });
+
+  if (!!hasExistingPlatformOrOrgTeam?.team && isPlatform) {
+    throw new TRPCError({ code: "BAD_REQUEST", message: "User is already part of a team" });
+  }
+
   const availability = getAvailabilityFromSchedule(DEFAULT_SCHEDULE);
 
   const isOrganizationConfigured = isPlatform ? true : await createDomain(slug);