2569718930@qq.com
58 lines
2.0 KiB
TypeScript
58 lines
2.0 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { proxyBackendJsonGet } from "@/lib/api-proxy";
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import { buildCityDetailProxyCachePolicy } from "@/lib/proxy-cache-policy";
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import {
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createProxyTimer,
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finishProxyTimedResponse,
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} from "@/lib/proxy-timing";
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const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
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const DETAIL_BATCH_PROXY_TIMEOUT_MS = Number(
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process.env.POLYWEATHER_CITY_DETAIL_BATCH_PROXY_TIMEOUT_MS || "12000",
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);
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export async function GET(req: NextRequest) {
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const timer = createProxyTimer(req, "city_detail_batch");
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if (!API_BASE) {
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return finishProxyTimedResponse(
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NextResponse.json(
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{ error: "POLYWEATHER_API_BASE_URL is not configured" },
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{ status: 500 },
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),
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timer,
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"missing_api_base",
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);
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}
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const forceRefresh = req.nextUrl.searchParams.get("force_refresh") ?? "false";
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const cachePolicy = buildCityDetailProxyCachePolicy(forceRefresh, 15);
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const searchParams = new URLSearchParams({
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cities: req.nextUrl.searchParams.get("cities") || "",
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force_refresh: forceRefresh,
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limit: req.nextUrl.searchParams.get("limit") || "12",
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});
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for (const key of ["market_slug", "target_date", "resolution"]) {
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const value = req.nextUrl.searchParams.get(key);
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if (value) searchParams.set(key, value);
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}
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const controller = new AbortController();
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const timeoutId = setTimeout(() => controller.abort(), DETAIL_BATCH_PROXY_TIMEOUT_MS);
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try {
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return await proxyBackendJsonGet(req, {
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cacheControl: cachePolicy.responseCacheControl,
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fetchCache:
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cachePolicy.fetchMode === "no-store" ? "no-store" : undefined,
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publicMessage: "Failed to fetch city detail batch",
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revalidateSeconds: cachePolicy.revalidateSeconds,
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signal: controller.signal,
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timeoutPublicMessage: "City detail batch request timed out",
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timing: timer,
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url: `${API_BASE}/api/cities/detail-batch?${searchParams.toString()}`,
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});
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} finally {
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clearTimeout(timeoutId);
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}
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}
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