音乐增加热搜

src/app/api/music/v2/discovery/hot-search/route.ts

@@ -5,25 +5,65 @@ import { badRequest, internalError } from '@/lib/music-v2-api';
 
 export const runtime = 'nodejs';
 
+type HotSearchItem = { keyword: string; name: string; artist: string; source: string };
+type LxHotSearchPayload =
+  | string[]
+  | Array<{ name?: string; keyword?: string; word?: string; singer?: string; source?: string }>
+  | { source?: string; list?: string[] | Array<{ name?: string; keyword?: string; word?: string; singer?: string; source?: string }> };
+
+function normalizeHotSearchPayload(payload: LxHotSearchPayload, fallbackSource: string): HotSearchItem[] {
+  const payloadSource = Array.isArray(payload) ? fallbackSource : payload?.source || fallbackSource;
+  const rawList = Array.isArray(payload) ? payload : payload?.list;
+  if (!Array.isArray(rawList)) return [];
+
+  return rawList
+    .map((item) => {
+      if (typeof item === 'string') {
+        return { keyword: item, name: item, artist: '', source: payloadSource };
+      }
+      const keyword = item.name || item.keyword || item.word || '';
+      return {
+        keyword,
+        name: keyword,
+        artist: item.singer || '',
+        source: item.source || payloadSource,
+      };
+    })
+    .filter((item) => item.keyword);
+}
+
 export async function GET(request: NextRequest) {
   try {
     const { searchParams } = new URL(request.url);
     const source = searchParams.get('source') || 'mg';
     if (!isMusicSource(source)) return badRequest('不支持的音源');
 
-    const list = await lxGetJson<Array<{ name: string; singer?: string; source: string }>>(`/api/music/hotSearch?source=${source}`, 'none');
+    const fallbackSources = [source, 'mg', 'kw', 'tx', 'wy', 'kg'].filter((item, index, arr) => arr.indexOf(item) === index);
+    let list: HotSearchItem[] = [];
 
-    return NextResponse.json({
-      success: true,
-      data: {
-        list: list.map(item => ({
-          keyword: item.name,
-          name: item.name,
-          artist: item.singer || '',
-          source: item.source,
-        })),
+    for (const candidate of fallbackSources) {
+      try {
+        const payload = await lxGetJson<LxHotSearchPayload>(`/api/music/hotSearch?source=${candidate}`, 'none');
+        list = normalizeHotSearchPayload(payload, candidate);
+        if (list.length > 0) break;
+      } catch {
+        continue;
+      }
+    }
+
+    return NextResponse.json(
+      {
+        success: true,
+        data: {
+          list,
+        },
       },
-    });
+      {
+        headers: {
+          'Cache-Control': 'public, max-age=3600, s-maxage=3600, stale-while-revalidate=3600',
+        },
+      }
+    );
   } catch (error) {
     return internalError('获取热搜失败', (error as Error).message);
   }