Session 8: Frontend Stripe cutover, soccer pages, sport selector, grade result cards, beta badge

web/src/app/api/odds/soccer/[league]/route.ts

@@ -0,0 +1,44 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+export const dynamic = 'force-dynamic';
+
+const BACKEND_URL = process.env.BACKEND_URL || 'http://localhost:3000';
+
+// Frozen at the same set Express validates against
+// (`src/services/oddsService.js SOCCER_SPORT_KEYS`). Duplicated here so
+// a typo'd league bounces at the Next layer without burning a backend
+// round-trip.
+const VALID_LEAGUES = new Set([
+  'wc', 'epl', 'laliga', 'bundesliga', 'seriea',
+  'ligue1', 'ucl', 'mls', 'ligamx',
+]);
+
+export async function GET(req: NextRequest, { params }: { params: Promise<{ league: string }> }) {
+  const { league } = await params;
+  const leagueLc = String(league || '').toLowerCase();
+  if (!VALID_LEAGUES.has(leagueLc)) {
+    return NextResponse.json(
+      { error: `Unknown soccer league. Valid: ${[...VALID_LEAGUES].join(', ')}.` },
+      { status: 400 },
+    );
+  }
+
+  // Pass the original query string through (filters: book, stat_type).
+  const qs = req.nextUrl.search;
+  try {
+    const upstream = await fetch(`${BACKEND_URL}/api/odds/soccer/${leagueLc}${qs}`, {
+      method: 'GET',
+      headers: { Accept: 'application/json' },
+    });
+    const data = await upstream.json().catch(() => ({}));
+    if (!upstream.ok) {
+      return NextResponse.json(data, { status: upstream.status });
+    }
+    return NextResponse.json(data);
+  } catch {
+    return NextResponse.json(
+      { error: 'Odds service is unreachable. Try again in a moment.' },
+      { status: 502 },
+    );
+  }
+}