feat: CORS proxy for neighbors

src/app/api/[region]/ratings/current/neighbors/[id]/[count]/route.ts

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

src/core/blitz/getRatingsNeighbors.ts

@@ -1,7 +1,7 @@
 import { RatingsNeighbors } from '../../commands/ratings';
 import { Region } from '../../constants/regions';
-import { context } from '../blitzkrieg/context';
 import { patientFetch } from '../blitzkrieg/patientFetch';
+import { withCORSProxy } from '../blitzkrieg/withCORSProxy';
 import regionToRegionSubdomain from './regionToRegionSubdomain';
 
 export async function getRatingsNeighbors(
@@ -12,11 +12,11 @@ export async function getRatingsNeighbors(
 ) {
   const fetcher = usePatientFetcher ? patientFetch : fetch;
   const response = await fetcher(
-    context === 'website'
-      ? `/api/${region}/ratings/current/neighbors/${id}/${count}`
-      : `https://${regionToRegionSubdomain(
-          region,
-        )}.wotblitz.com/en/api/rating-leaderboards/user/${id}/?neighbors=${count}`,
+    withCORSProxy(
+      `https://${regionToRegionSubdomain(
+        region,
+      )}.wotblitz.com/en/api/rating-leaderboards/user/${id}/?neighbors=${count}`,
+    ),
   );
   const json = (await response.json()) as RatingsNeighbors;
 

src/core/blitzkrieg/withCORSProxy.ts

@@ -0,0 +1,7 @@
+import { context } from './context';
+
+export function withCORSProxy(url: string) {
+  return context === 'website'
+    ? `https://corsproxy.io/?${encodeURIComponent(url)}`
+    : url;
+}