2569718930@qq.com
90 lines
2.5 KiB
TypeScript
90 lines
2.5 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { proxyBackendJsonGet } from "@/lib/api-proxy";
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import {
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buildForceRefreshProxyCachePolicy,
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buildScanTerminalResponseCacheControl,
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} from "@/lib/proxy-cache-policy";
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import { DASHBOARD_REFRESH_POLICY_SEC } from "@/lib/refresh-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 SCAN_TERMINAL_PROXY_TIMEOUT_MS = Number(
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process.env.POLYWEATHER_SCAN_TERMINAL_PROXY_TIMEOUT_MS || "35000",
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);
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export const maxDuration = 45;
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export async function GET(req: NextRequest) {
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const timer = createProxyTimer(req, "scan_terminal");
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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 params = new URLSearchParams();
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const forceRefresh = req.nextUrl.searchParams.get("force_refresh") ?? "false";
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for (const key of [
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"scan_mode",
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"min_price",
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"max_price",
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"min_edge_pct",
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"min_liquidity",
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"high_liquidity_only",
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"market_type",
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"time_range",
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"limit",
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"force_refresh",
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"diff",
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"since_snapshot_id",
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"timezone_offset_seconds",
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]) {
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const value = req.nextUrl.searchParams.get(key);
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if (value != null && value !== "") {
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params.set(key, value);
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}
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}
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const tradingRegion = req.nextUrl.searchParams.get("trading_region");
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if (tradingRegion != null && tradingRegion !== "") {
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params.set("region", tradingRegion);
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}
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const cachePolicy = buildForceRefreshProxyCachePolicy(
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forceRefresh,
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DASHBOARD_REFRESH_POLICY_SEC.scanRows,
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);
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const url = `${API_BASE}/api/scan/terminal?${params.toString()}`;
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const controller = new AbortController();
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const timeoutId = setTimeout(() => controller.abort(), SCAN_TERMINAL_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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cacheControlForData: (data) =>
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buildScanTerminalResponseCacheControl(
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data,
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cachePolicy.responseCacheControl,
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),
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fetchCache: "no-store",
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publicMessage: "Failed to fetch scan terminal data",
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revalidateSeconds: cachePolicy.revalidateSeconds,
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includeSupabaseIdentity: true,
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signal: controller.signal,
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timeoutPublicMessage: "Scan terminal request timed out",
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timing: timer,
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url,
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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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