feat: website apis

src/app/api/ratings/archives/[region]/[season]/info/route.ts

@@ -0,0 +1,12 @@
+import { NextResponse } from 'next/server';
+import { Region } from '../../../../../../../constants/regions';
+import getArchivedRatingsInfo from '../../../../../../../core/blitzkrieg/getArchivedRatingsInfo';
+
+export async function GET(
+  request: Request,
+  { params }: { params: { region: Region; season: number } },
+) {
+  return NextResponse.json(
+    await getArchivedRatingsInfo(params.region, params.season),
+  );
+}

src/app/api/ratings/archives/[region]/[season]/latest/route.ts

@@ -1,6 +1,6 @@
 import { NextResponse } from 'next/server';
-import { Region } from '../../../../../../constants/regions';
-import { getArchivedRatingsLeaderboard } from '../../../../../../core/blitzkrieg/getArchivedRatingsLeaderboard';
+import { Region } from '../../../../../../../constants/regions';
+import { getArchivedRatingsLeaderboard } from '../../../../../../../core/blitzkrieg/getArchivedRatingsLeaderboard';
 
 export async function GET(
   request: Request,

src/app/tools/ratings/page.tsx

@@ -12,6 +12,7 @@ import {
   FIRST_ARCHIVED_RATINGS_SEASON,
   getArchivedLatestSeasonNumberAPI,
 } from '../../../core/blitzkrieg/getArchivedLatestSeasonNumberAPI';
+import getArchivedRatingsInfoAPI from '../../../core/blitzkrieg/getArchivedRatingsInfoAPI';
 import { useRatings } from '../../../stores/ratings';
 
 export default function Page() {
@@ -24,22 +25,19 @@ export default function Page() {
   // null being the latest season
   const [season, setSeason] = useState<null | number>(null);
 
+  useEffect(() => {
+    getArchivedLatestSeasonNumberAPI().then(setLatestArchivedSeasonNumber);
+  }, []);
+
   useEffect(() => {
     (async () => {
-      const [newRatingsInfo, newLatestArchivedSeasonNumber] = await Promise.all(
-        [getRatingsInfo(ratings.region), getArchivedLatestSeasonNumberAPI()],
-      );
-
-      setRatingsInfo(newRatingsInfo);
-      setLatestArchivedSeasonNumber(newLatestArchivedSeasonNumber);
-
-      setSeason(
-        newRatingsInfo.detail == undefined
-          ? null
-          : newLatestArchivedSeasonNumber,
-      );
+      if (season === null) {
+        setRatingsInfo(await getRatingsInfo(ratings.region));
+      } else {
+        setRatingsInfo(await getArchivedRatingsInfoAPI(ratings.region, season));
+      }
     })();
-  }, [ratings.region]);
+  }, [season]);
 
   return (
     <PageWrapper>

src/core/blitzkrieg/getArchivedRatingsInfoAPI.ts

@@ -0,0 +1,40 @@
+import { RatingsInfo } from '../../commands/ratings';
+import { Region } from '../../constants/regions';
+
+const INFO_CACHE: Record<
+  Region,
+  Record<
+    number,
+    RatingsInfo & {
+      detail: undefined;
+    }
+  >
+> = {
+  com: {},
+  eu: {},
+  asia: {},
+};
+
+export default async function getArchivedRatingsInfoAPI(
+  region: Region,
+  season: number,
+) {
+  if (INFO_CACHE[region][season]) {
+    return INFO_CACHE[region][season];
+  }
+
+  const response = await fetch(
+    `/api/ratings/archives/${region}/${season}/info`,
+  );
+  const json = (await response.json()) as RatingsInfo;
+
+  if (json.detail) {
+    throw new Error(
+      `No ratings info found for season ${season}, region ${region}`,
+    );
+  }
+
+  INFO_CACHE[region][season] = json;
+
+  return json;
+}