Focus player records and add squad leaderboards

src/routes/api/leaderboard/+server.ts

@@ -1,6 +1,7 @@
 import { leaderboardReport } from '$lib/server/reports/index.js';
 import { json } from '@sveltejs/kit';
 import { isLeaderboardMetric, MAX_LEADERBOARD_OFFSET } from '$lib/server/fleet/leaderboard.js';
+import type { LeaderboardPlayerCount } from '$lib/leaderboard.js';
 
 export async function GET({ url }: { url: URL }) {
     const params = url.searchParams;
@@ -8,6 +9,7 @@ export async function GET({ url }: { url: URL }) {
     const map = params.get('map');
     const metric = params.get('metric');
     const q = params.get('q');
+    const players = params.get('players');
     const rawLimit = params.get('limit');
     const rawOffset = params.get('offset');
     const integer = (value: string | null, fallback: number) => value === null ? fallback
@@ -17,11 +19,13 @@ export async function GET({ url }: { url: URL }) {
     if ((game !== null && game !== 't5' && game !== 't6')
         || (map !== null && map.length > 1024) || (q !== null && q.length > 100)
         || (metric !== null && !isLeaderboardMetric(metric))
+        || (players !== null && !/^[1-4]$/.test(players))
         || !Number.isFinite(limit) || limit < 1 || limit > 100
         || !Number.isFinite(offset) || offset < 0 || offset > MAX_LEADERBOARD_OFFSET) {
-        return json({ ok: false, kind: 'bad-request', error: 'Use game t5 or t6, a supported metric, map key up to 1024 characters, q up to 100 characters, limit 1–100, and offset 0–1000000.' }, { status: 400 });
+        return json({ ok: false, kind: 'bad-request', error: 'Use game t5 or t6, a supported metric, players 1–4, map key up to 1024 characters, q up to 100 characters, limit 1–100, and offset 0–1000000.' }, { status: 400 });
     }
     return json(await leaderboardReport({ game: game ?? undefined, map: map || undefined,
         metric: metric !== null && isLeaderboardMetric(metric) ? metric : undefined,
+        players: players === null ? undefined : Number(players) as LeaderboardPlayerCount,
         q: q ?? undefined, limit, offset }));
 }