Files
PolyWeather/frontend/app/api/scan/terminal/ai-city/route.ts
T

113 lines
3.5 KiB
TypeScript

import { NextRequest, NextResponse } from "next/server";
import {
applyAuthResponseCookies,
buildBackendRequestHeaders,
} from "@/lib/backend-auth";
const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
const AI_CITY_GATEWAY_TIMEOUT_MS = Math.max(
10_000,
Number(
process.env.POLYWEATHER_SCAN_AI_GATEWAY_TIMEOUT_MS ||
process.env.POLYWEATHER_AI_CITY_GATEWAY_TIMEOUT_MS ||
process.env.POLYWEATHER_SCAN_AI_PROXY_TIMEOUT_MS ||
"55000",
) || 55_000,
);
export const dynamic = "force-dynamic";
export const maxDuration = 60;
export async function POST(req: NextRequest) {
if (!API_BASE) {
return NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
);
}
let body: unknown = {};
try {
body = await req.json();
} catch {
body = {};
}
let auth: Awaited<ReturnType<typeof buildBackendRequestHeaders>> | null = null;
const controller = new AbortController();
const startedAt = Date.now();
const timeoutId = setTimeout(() => controller.abort(), AI_CITY_GATEWAY_TIMEOUT_MS);
const requestBody = body && typeof body === "object" ? body as Record<string, unknown> : {};
try {
auth = await buildBackendRequestHeaders(req);
const headers = new Headers(auth.headers);
headers.set("Content-Type", "application/json");
headers.set("Accept", "application/json");
console.info("[scan-ai-city] gateway request", {
city: requestBody.city,
force_refresh: requestBody.force_refresh === true,
locale: requestBody.locale,
timeout_ms: AI_CITY_GATEWAY_TIMEOUT_MS,
});
const res = await fetch(`${API_BASE}/api/scan/terminal/ai-city`, {
method: "POST",
headers,
cache: "no-store",
signal: controller.signal,
body: JSON.stringify(body || {}),
});
if (!res.ok) {
const raw = await res.text();
console.warn("[scan-ai-city] backend returned non-ok", {
status: res.status,
detail: raw.slice(0, 180),
});
const response = NextResponse.json(
{ error: `Backend returned ${res.status}`, detail: raw.slice(0, 300) },
{ status: res.status === 402 || res.status === 403 ? res.status : 502 },
);
return applyAuthResponseCookies(response, auth.response);
}
const data = await res.json();
console.info("[scan-ai-city] gateway complete", {
status: data?.status,
city: data?.city,
model: data?.model,
cached: data?.cached === true,
elapsed_ms: Date.now() - startedAt,
});
const response = NextResponse.json(data, {
headers: {
"Cache-Control": "no-store",
},
});
return applyAuthResponseCookies(response, auth.response);
} catch (error) {
const timedOut = controller.signal.aborted;
const elapsedMs = Date.now() - startedAt;
console.warn("[scan-ai-city] gateway failed", {
city: requestBody.city,
timed_out: timedOut,
elapsed_ms: elapsedMs,
timeout_ms: AI_CITY_GATEWAY_TIMEOUT_MS,
error: String(error),
});
const response = NextResponse.json(
{
error: timedOut
? "City AI gateway timed out before backend responded"
: "Failed to fetch city AI data",
detail: String(error),
elapsed_ms: elapsedMs,
timeout_ms: AI_CITY_GATEWAY_TIMEOUT_MS,
city: requestBody.city,
},
{ status: timedOut ? 504 : 500 },
);
return auth ? applyAuthResponseCookies(response, auth.response) : response;
} finally {
clearTimeout(timeoutId);
}
}