feat: initialize drainage network frontend

2026-07-10 16:16:17 +08:00
commit 66de96d9e4
133 changed files with 33057 additions and 0 deletions
@@ -0,0 +1,58 @@
+import { NextRequest } from "next/server";
+
+export const dynamic = "force-dynamic";
+export const runtime = "nodejs";
+
+const AGENT_BACKEND_BASE_URL =
+  process.env.AGENT_API_INTERNAL_BASE_URL ??
+  process.env.NEXT_PUBLIC_AGENT_API_BASE_URL ??
+  "http://127.0.0.1:8787";
+
+type RouteContext = {
+  params: Promise<{ path?: string[] }>;
+};
+
+export async function GET(request: NextRequest, context: RouteContext) {
+  return proxyAgentRequest(request, context);
+}
+
+export async function POST(request: NextRequest, context: RouteContext) {
+  return proxyAgentRequest(request, context);
+}
+
+export async function PATCH(request: NextRequest, context: RouteContext) {
+  return proxyAgentRequest(request, context);
+}
+
+export async function DELETE(request: NextRequest, context: RouteContext) {
+  return proxyAgentRequest(request, context);
+}
+
+async function proxyAgentRequest(request: NextRequest, context: RouteContext) {
+  const { path = [] } = await context.params;
+  const upstreamUrl = new URL(`/api/v1/agent/chat/${path.map(encodeURIComponent).join("/")}`, AGENT_BACKEND_BASE_URL);
+  upstreamUrl.search = request.nextUrl.search;
+
+  const headers = new Headers(request.headers);
+  headers.delete("host");
+  headers.delete("content-length");
+
+  const body = request.method === "GET" || request.method === "HEAD" ? undefined : request.body;
+  const upstreamResponse = await fetch(upstreamUrl, {
+    method: request.method,
+    headers,
+    body,
+    cache: "no-store",
+    duplex: body ? "half" : undefined
+  } as RequestInit & { duplex?: "half" });
+
+  const responseHeaders = new Headers(upstreamResponse.headers);
+  responseHeaders.delete("content-encoding");
+  responseHeaders.delete("content-length");
+
+  return new Response(upstreamResponse.body, {
+    status: upstreamResponse.status,
+    statusText: upstreamResponse.statusText,
+    headers: responseHeaders
+  });
+}