Hide teams on the league sign up page after divisions have been created

Closes #2851

app/features/tournament/TournamentRepository.server.ts

@@ -316,6 +316,17 @@ export async function findById(id: number) {
 	};
 }
 
+export async function hasChildTournaments(parentTournamentId: number) {
+	const row = await db
+		.selectFrom("Tournament")
+		.select("Tournament.id")
+		.where("Tournament.parentTournamentId", "=", parentTournamentId)
+		.limit(1)
+		.executeTakeFirst();
+
+	return Boolean(row);
+}
+
 export async function findChildTournaments(parentTournamentId: number) {
 	const rows = await db
 		.selectFrom("Tournament")

app/features/tournament/loaders/to.$id.server.ts

@@ -1,6 +1,7 @@
 import type { LoaderFunctionArgs } from "react-router";
 import { getUser } from "~/features/auth/core/user.server";
 import * as TournamentRepository from "~/features/tournament/TournamentRepository.server";
+import { LEAGUES } from "~/features/tournament/tournament-constants";
 import { tournamentDataCached } from "~/features/tournament-bracket/core/Tournament.server";
 import { databaseTimestampToDate } from "~/utils/dates";
 import { parseParams } from "~/utils/remix.server";
@@ -10,6 +11,7 @@ export type TournamentLoaderData = {
 	tournament: Awaited<ReturnType<typeof tournamentDataCached>>;
 	streamingParticipants: number[];
 	streamsCount: number;
+	hasChildTournaments: boolean;
 	friendCodes:
 		| Awaited<ReturnType<typeof TournamentRepository.friendCodesByTournamentId>>
 		| undefined;
@@ -53,9 +55,17 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 
 	const showFriendCodes = tournamentStartedInTheLastMonth && isTournamentAdmin;
 
+	const isLeagueSignup = Object.values(LEAGUES)
+		.flat()
+		.some((entry) => entry.tournamentId === tournamentId);
+	const hasChildTournaments = isLeagueSignup
+		? await TournamentRepository.hasChildTournaments(tournamentId)
+		: false;
+
 	// skip expensive rr7 data serialization (hot path loader)
 	return JSON.stringify({
 		tournament,
+		hasChildTournaments,
 		friendCodes: showFriendCodes
 			? await TournamentRepository.friendCodesByTournamentId(tournamentId)
 			: undefined,

app/features/tournament/routes/to.$id.teams.tsx

@@ -1,10 +1,16 @@
-import { tournamentTeamPage } from "~/utils/urls";
+import { Redirect } from "~/components/Redirect";
+import { tournamentDivisionsPage, tournamentTeamPage } from "~/utils/urls";
 import { TeamWithRoster } from "../components/TeamWithRoster";
 import { getBracketProgressionLabel } from "../tournament-utils";
-import { useTournament } from "./to.$id";
+import { useHasChildTournaments, useTournament } from "./to.$id";
 
 export default function TournamentTeamsPage() {
 	const tournament = useTournament();
+	const hasChildTournaments = useHasChildTournaments();
+
+	if (tournament.isLeagueSignup && hasChildTournaments) {
+		return <Redirect to={tournamentDivisionsPage(tournament.ctx.id)} />;
+	}
 
 	const perBracketSeedCounters = new Map<number, number>();
 	const teamSeedInfo = tournament.ctx.teams.map((team, globalIndex) => {

app/features/tournament/routes/to.$id.tsx

@@ -156,14 +156,18 @@ export function TournamentLayout() {
 						Divisions
 					</SubNavLink>
 				) : null}
-				<SubNavLink
-					to="teams"
-					end={false}
-					prefetch="render"
-					data-testid="teams-tab"
-				>
-					{t("tournament:tabs.teams", { count: tournament.ctx.teams.length })}
-				</SubNavLink>
+				{!(tournament.isLeagueSignup && data.hasChildTournaments) ? (
+					<SubNavLink
+						to="teams"
+						end={false}
+						prefetch="render"
+						data-testid="teams-tab"
+					>
+						{t("tournament:tabs.teams", {
+							count: tournament.ctx.teams.length,
+						})}
+					</SubNavLink>
+				) : null}
 				{!tournament.isInvitational &&
 				!tournament.everyBracketOver &&
 				!(tournament.isLeagueSignup && !tournament.registrationOpen) &&
@@ -206,6 +210,7 @@ export function TournamentLayout() {
 							tournament,
 							bracketExpanded,
 							setBracketExpanded,
+							hasChildTournaments: data.hasChildTournaments,
 							friendCodes: data.friendCodes,
 							preparedMaps: data.preparedMaps,
 						} satisfies TournamentContext
@@ -220,6 +225,7 @@ type TournamentContext = {
 	tournament: Tournament;
 	bracketExpanded: boolean;
 	setBracketExpanded: (expanded: boolean) => void;
+	hasChildTournaments: boolean;
 	friendCode?: string;
 	friendCodes?: TournamentLoaderData["friendCodes"];
 	preparedMaps: TournamentLoaderData["preparedMaps"];
@@ -236,6 +242,10 @@ export function useBracketExpanded() {
 	return { bracketExpanded, setBracketExpanded };
 }
 
+export function useHasChildTournaments() {
+	return useOutletContext<TournamentContext>().hasChildTournaments;
+}
+
 export function useTournamentFriendCodes() {
 	return useOutletContext<TournamentContext>().friendCodes;
 }