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hamedandClaude Fable 5 daf38c8631 feat(maintenance): show maintenance page when the API is in maintenance
The backend now answers 503 with code MAINTENANCE_MODE while maintenance is
on. Without this change a visitor got a red error toast over a broken page
client-side, and a silently empty page server-side, because fetchReq discards
the status and returns null on any failure.

- lib/maintenance.js detects the state by BOTH status 503 and the error code;
  a bare 503 can come from a reverse proxy and is not maintenance
- The axios interceptor checks it before the 401 branch, so a maintenance
  response never triggers the refresh-token path or logs the user out
- fetchReq redirects to /maintenance, with a silentMaintenance opt-out used by
  getStateInfo: that one runs inside generateMetadata and while rendering the
  maintenance page itself, where a redirect is either ineffective or loops
- redirect() works by throwing, so the try/catch blocks in the doctors,
  clinics and specialties pages now rethrow NEXT_REDIRECT instead of
  swallowing it
- clinicApi.js handles 503 too; it previously rendered maintenance as a clinic
  with zero doctors
- The page reuses the existing 404 design and is marked noindex

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 22:01:45 +03:30

33 lines
1.2 KiB
JavaScript

import axios from "axios";
import https from "https";
import { redirect } from "next/navigation";
import { isMaintenanceError, MAINTENANCE_PATH } from "@/lib/maintenance";
export const axiosInstance = axios.create({
...(process.env.NODE_ENV === "development" && {
httpsAgent: new https.Agent({ rejectUnauthorized: false }),
}),
});
/**
* @param {object} [options]
* @param {boolean} [options.silentMaintenance] در حالت تعمیرات به‌جای ریدایرکت
* `null` برگردان. برای فراخوانی‌هایی لازم است که داخل `generateMetadata` یا در
* مسیر رندرِ خودِ صفحه‌ی تعمیرات اجرا می‌شوند و ریدایرکت آن‌ها یا بی‌اثر است یا
* حلقه می‌سازد (مثل `getStateInfo`).
*/
export const fetchReq = async (url, headers, options = {}) => {
try {
const response = await axiosInstance.get(url, headers);
return response.data;
} catch (error) {
if (isMaintenanceError(error)) {
if (options.silentMaintenance) return null;
redirect(MAINTENANCE_PATH);
}
console.error("fetchReq error:", error.message);
return null;
}
};