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753 lines
28 KiB
753 lines
28 KiB
/**
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* OpenHamClock Server
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*
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* Express server that:
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* 1. Serves the static web application
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* 2. Proxies API requests to avoid CORS issues
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* 3. Provides WebSocket support for future real-time features
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*
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* Usage:
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* node server.js
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* PORT=8080 node server.js
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*/
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const express = require('express');
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const cors = require('cors');
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const path = require('path');
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const fetch = require('node-fetch');
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const app = express();
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const PORT = process.env.PORT || 3000;
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// Middleware
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app.use(cors());
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app.use(express.json());
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// Serve static files from public directory
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app.use(express.static(path.join(__dirname, 'public')));
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// ============================================
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// API PROXY ENDPOINTS
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// ============================================
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// NOAA Space Weather - Solar Flux
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app.get('/api/noaa/flux', async (req, res) => {
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try {
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const response = await fetch('https://services.swpc.noaa.gov/json/f107_cm_flux.json');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('NOAA Flux API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch solar flux data' });
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}
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});
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// NOAA Space Weather - K-Index
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app.get('/api/noaa/kindex', async (req, res) => {
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try {
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const response = await fetch('https://services.swpc.noaa.gov/products/noaa-planetary-k-index.json');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('NOAA K-Index API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch K-index data' });
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}
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});
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// NOAA Space Weather - Sunspots
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app.get('/api/noaa/sunspots', async (req, res) => {
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try {
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const response = await fetch('https://services.swpc.noaa.gov/json/solar-cycle/observed-solar-cycle-indices.json');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('NOAA Sunspots API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch sunspot data' });
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}
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});
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// NOAA Space Weather - X-Ray Flux
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app.get('/api/noaa/xray', async (req, res) => {
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try {
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const response = await fetch('https://services.swpc.noaa.gov/json/goes/primary/xrays-7-day.json');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('NOAA X-Ray API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch X-ray data' });
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}
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});
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// POTA Spots
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app.get('/api/pota/spots', async (req, res) => {
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try {
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const response = await fetch('https://api.pota.app/spot/activator');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('POTA API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch POTA spots' });
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}
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});
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// SOTA Spots
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app.get('/api/sota/spots', async (req, res) => {
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try {
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const response = await fetch('https://api2.sota.org.uk/api/spots/50/all');
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const data = await response.json();
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res.json(data);
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} catch (error) {
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console.error('SOTA API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch SOTA spots' });
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}
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});
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// HamQSL Band Conditions
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app.get('/api/hamqsl/conditions', async (req, res) => {
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try {
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const response = await fetch('https://www.hamqsl.com/solarxml.php');
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const text = await response.text();
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res.set('Content-Type', 'application/xml');
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res.send(text);
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} catch (error) {
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console.error('HamQSL API error:', error.message);
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res.status(500).json({ error: 'Failed to fetch band conditions' });
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}
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});
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// DX Cluster proxy - fetches from multiple sources with detailed logging
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app.get('/api/dxcluster/spots', async (req, res) => {
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console.log('[DX Cluster] ========== Fetching spots ==========');
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// Source 1: HamQTH (uses ^ delimiter!)
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try {
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console.log('[DX Cluster] Trying HamQTH...');
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 8000);
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const response = await fetch('https://www.hamqth.com/dxc_csv.php', {
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headers: { 'User-Agent': 'OpenHamClock/3.3' },
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signal: controller.signal
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});
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clearTimeout(timeout);
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console.log('[DX Cluster] HamQTH status:', response.status);
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if (response.ok) {
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const text = await response.text();
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console.log('[DX Cluster] HamQTH response length:', text.length);
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const lines = text.trim().split('\n').filter(line => line.trim() && !line.startsWith('#'));
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console.log('[DX Cluster] HamQTH lines count:', lines.length);
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if (lines.length > 0) {
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const spots = [];
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for (const line of lines.slice(0, 25)) {
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// HamQTH format uses ^ delimiter:
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// spotter^freq^dx_call^comment^time date^^^continent^band^country^id
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// Example: F5PAC^7022.0^KP5/NP3VI^Up 2^0610 2026-01-30^^^NA^40M^Desecheo Island^43
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const parts = line.split('^');
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if (parts.length >= 5) {
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const spotter = parts[0] || '';
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const freqKhz = parts[1] || '';
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const dxCall = parts[2] || '';
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const comment = parts[3] || '';
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const timeDate = parts[4] || ''; // "0610 2026-01-30"
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const band = parts[9] || '';
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// Parse frequency (already in kHz, convert to MHz)
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const freqNum = parseFloat(freqKhz);
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if (!isNaN(freqNum) && freqNum > 0 && dxCall) {
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// Convert kHz to MHz for display (7022.0 -> 7.022)
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const freqMhz = (freqNum / 1000).toFixed(3);
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// Extract time from "0610 2026-01-30" -> "06:10z"
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let time = '';
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if (timeDate && timeDate.length >= 4) {
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const timeStr = timeDate.substring(0, 4);
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time = timeStr.substring(0, 2) + ':' + timeStr.substring(2, 4) + 'z';
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}
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spots.push({
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freq: freqMhz,
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call: dxCall,
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comment: comment + (band ? ' ' + band : ''),
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time: time,
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spotter: spotter
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});
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}
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}
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}
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console.log('[DX Cluster] HamQTH parsed spots:', spots.length);
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if (spots.length > 0) {
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console.log('[DX Cluster] HamQTH first spot:', JSON.stringify(spots[0]));
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console.log('[DX Cluster] HamQTH SUCCESS:', spots.length, 'spots');
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return res.json(spots);
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}
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}
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}
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} catch (error) {
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console.error('[DX Cluster] HamQTH error:', error.name, error.message);
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}
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// Source 2: DX Summit
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try {
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console.log('[DX Cluster] Trying DX Summit...');
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 8000);
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const response = await fetch('https://www.dxsummit.fi/api/v1/spots?limit=25', {
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headers: {
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'User-Agent': 'OpenHamClock/3.3 (Amateur Radio Dashboard)',
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'Accept': 'application/json'
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},
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signal: controller.signal
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});
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clearTimeout(timeout);
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console.log('[DX Cluster] DX Summit status:', response.status);
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if (response.ok) {
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const text = await response.text();
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console.log('[DX Cluster] DX Summit response preview:', text.substring(0, 300));
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try {
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const data = JSON.parse(text);
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console.log('[DX Cluster] DX Summit data type:', typeof data, Array.isArray(data) ? 'array len=' + data.length : 'object');
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if (Array.isArray(data) && data.length > 0) {
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console.log('[DX Cluster] DX Summit first item:', JSON.stringify(data[0]));
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const spots = data.slice(0, 20).map(spot => ({
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freq: spot.frequency ? String(spot.frequency) : '0.000',
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call: spot.dx_call || spot.dxcall || spot.callsign || 'UNKNOWN',
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comment: spot.info || spot.comment || '',
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time: spot.time ? String(spot.time).substring(0, 5) + 'z' : '',
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spotter: spot.spotter || spot.de || ''
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}));
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console.log('[DX Cluster] DX Summit SUCCESS:', spots.length, 'spots');
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return res.json(spots);
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}
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} catch (parseErr) {
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console.log('[DX Cluster] DX Summit parse error:', parseErr.message);
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}
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}
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} catch (error) {
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console.error('[DX Cluster] DX Summit error:', error.name, error.message);
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}
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// Source 3: DXHeat (backup)
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try {
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console.log('[DX Cluster] Trying DXHeat...');
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 8000);
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const response = await fetch('https://dxheat.com/dxc/data.php', {
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headers: {
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'User-Agent': 'OpenHamClock/3.3',
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'Accept': 'application/json'
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},
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signal: controller.signal
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});
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clearTimeout(timeout);
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console.log('[DX Cluster] DXHeat status:', response.status);
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if (response.ok) {
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const text = await response.text();
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console.log('[DX Cluster] DXHeat response preview:', text.substring(0, 300));
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try {
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const data = JSON.parse(text);
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const spots = data.spots || data;
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if (Array.isArray(spots) && spots.length > 0) {
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const mapped = spots.slice(0, 20).map(spot => ({
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freq: spot.f || spot.frequency || '0.000',
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call: spot.c || spot.dx || spot.callsign || 'UNKNOWN',
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comment: spot.i || spot.info || '',
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time: spot.t ? String(spot.t).substring(11, 16) + 'z' : '',
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spotter: spot.s || spot.spotter || ''
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}));
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console.log('[DX Cluster] DXHeat SUCCESS:', mapped.length, 'spots');
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return res.json(mapped);
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}
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} catch (parseErr) {
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console.log('[DX Cluster] DXHeat parse error:', parseErr.message);
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}
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}
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} catch (error) {
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console.error('[DX Cluster] DXHeat error:', error.name, error.message);
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}
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console.log('[DX Cluster] ========== ALL SOURCES FAILED ==========');
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res.json([]);
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});
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// ============================================
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// VOACAP / HF PROPAGATION PREDICTION API
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// ============================================
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app.get('/api/propagation', async (req, res) => {
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const { deLat, deLon, dxLat, dxLon } = req.query;
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console.log('[Propagation] Calculating for DE:', deLat, deLon, 'to DX:', dxLat, dxLon);
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try {
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// Get current space weather data for calculations
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let sfi = 150, ssn = 100, kIndex = 2; // Defaults
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try {
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const [fluxRes, kRes] = await Promise.allSettled([
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fetch('https://services.swpc.noaa.gov/json/f107_cm_flux.json'),
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fetch('https://services.swpc.noaa.gov/products/noaa-planetary-k-index.json')
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]);
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if (fluxRes.status === 'fulfilled' && fluxRes.value.ok) {
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const data = await fluxRes.value.json();
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if (data?.length) sfi = Math.round(data[data.length - 1].flux || 150);
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}
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if (kRes.status === 'fulfilled' && kRes.value.ok) {
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const data = await kRes.value.json();
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if (data?.length > 1) kIndex = parseInt(data[data.length - 1][1]) || 2;
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}
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// Estimate SSN from SFI: SSN ≈ (SFI - 67) / 0.97
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ssn = Math.max(0, Math.round((sfi - 67) / 0.97));
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} catch (e) {
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console.log('[Propagation] Using default solar values');
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}
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console.log('[Propagation] Solar data - SFI:', sfi, 'SSN:', ssn, 'K:', kIndex);
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// Calculate distance and bearing
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const de = { lat: parseFloat(deLat) || 40, lon: parseFloat(deLon) || -75 };
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const dx = { lat: parseFloat(dxLat) || 35, lon: parseFloat(dxLon) || 139 };
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const distance = calculateDistance(de.lat, de.lon, dx.lat, dx.lon);
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const midLat = (de.lat + dx.lat) / 2;
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console.log('[Propagation] Distance:', Math.round(distance), 'km, MidLat:', midLat.toFixed(1));
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// Calculate propagation for each band at each hour
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const bands = ['160m', '80m', '40m', '30m', '20m', '17m', '15m', '12m', '10m', '6m'];
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const bandFreqs = [1.8, 3.5, 7, 10, 14, 18, 21, 24, 28, 50]; // MHz
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const currentHour = new Date().getUTCHours();
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// Generate 24-hour predictions
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const predictions = {};
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bands.forEach((band, idx) => {
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const freq = bandFreqs[idx];
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predictions[band] = [];
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for (let hour = 0; hour < 24; hour++) {
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const reliability = calculateBandReliability(
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freq, distance, midLat, hour, sfi, ssn, kIndex, de, dx
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);
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predictions[band].push({
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hour,
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reliability: Math.round(reliability),
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snr: calculateSNR(reliability)
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});
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}
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});
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// Get current best bands
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const currentBands = bands.map((band, idx) => ({
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band,
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freq: bandFreqs[idx],
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reliability: predictions[band][currentHour].reliability,
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snr: predictions[band][currentHour].snr,
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status: getStatus(predictions[band][currentHour].reliability)
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})).sort((a, b) => b.reliability - a.reliability);
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res.json({
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solarData: { sfi, ssn, kIndex },
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distance: Math.round(distance),
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currentHour,
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currentBands,
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hourlyPredictions: predictions
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});
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} catch (error) {
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console.error('[Propagation] Error:', error.message);
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res.status(500).json({ error: 'Failed to calculate propagation' });
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}
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});
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// Calculate great circle distance in km
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function calculateDistance(lat1, lon1, lat2, lon2) {
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const R = 6371;
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const dLat = (lat2 - lat1) * Math.PI / 180;
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const dLon = (lon2 - lon1) * Math.PI / 180;
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const a = Math.sin(dLat/2) * Math.sin(dLat/2) +
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Math.cos(lat1 * Math.PI / 180) * Math.cos(lat2 * Math.PI / 180) *
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Math.sin(dLon/2) * Math.sin(dLon/2);
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return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
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}
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// Calculate band reliability percentage (simplified VOACAP-style)
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function calculateBandReliability(freq, distance, midLat, hour, sfi, ssn, kIndex, de, dx) {
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// Maximum Usable Frequency estimation
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// MUF ≈ criticalFreq * secant(zenith angle) * sqrt(1 + distance/4000)
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// Critical frequency varies with solar activity and time
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// foF2 ≈ 0.85 * sqrt(ssn + 12) * (1 + 0.3 * cos(hour * PI / 12))
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const hourFactor = 1 + 0.4 * Math.cos((hour - 12) * Math.PI / 12);
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const foF2 = 0.9 * Math.sqrt(ssn + 15) * hourFactor;
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// Distance factor (longer paths need lower angles, higher MUF)
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const distFactor = Math.sqrt(1 + distance / 3500);
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// Latitude factor (higher latitudes = more absorption, lower MUF)
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const latFactor = 1 - Math.abs(midLat) / 200;
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// Estimated MUF
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const muf = foF2 * distFactor * latFactor * 3.5;
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// Lowest Usable Frequency (absorption limit)
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// LUF increases with solar activity and during daytime
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const dayNight = isDaytime(hour, (de.lon + dx.lon) / 2) ? 1.5 : 0.5;
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const luf = 2 + (sfi / 100) * dayNight + kIndex * 0.5;
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// Calculate reliability based on frequency vs MUF/LUF
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let reliability = 0;
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if (freq > muf) {
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// Frequency above MUF - poor propagation
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reliability = Math.max(0, 50 - (freq - muf) * 10);
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} else if (freq < luf) {
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// Frequency below LUF - too much absorption
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reliability = Math.max(0, 50 - (luf - freq) * 15);
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} else {
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// Frequency in usable range
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const midFreq = (muf + luf) / 2;
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const optimalness = 1 - Math.abs(freq - midFreq) / (muf - luf);
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reliability = 50 + optimalness * 45;
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}
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// K-index degradation (geomagnetic storms)
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if (kIndex >= 5) reliability *= 0.3;
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else if (kIndex >= 4) reliability *= 0.6;
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else if (kIndex >= 3) reliability *= 0.8;
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// Distance adjustment - very long paths are harder
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if (distance > 15000) reliability *= 0.7;
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else if (distance > 10000) reliability *= 0.85;
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// High bands need higher solar activity
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if (freq >= 21 && sfi < 100) reliability *= (sfi / 100);
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if (freq >= 28 && sfi < 120) reliability *= (sfi / 120);
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return Math.min(99, Math.max(0, reliability));
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}
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// Check if it's daytime at given longitude
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function isDaytime(utcHour, longitude) {
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const localHour = (utcHour + longitude / 15 + 24) % 24;
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return localHour >= 6 && localHour <= 18;
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}
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// Convert reliability to estimated SNR
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function calculateSNR(reliability) {
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if (reliability >= 80) return '+20dB';
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if (reliability >= 60) return '+10dB';
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if (reliability >= 40) return '0dB';
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if (reliability >= 20) return '-10dB';
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return '-20dB';
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}
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// Get status label from reliability
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function getStatus(reliability) {
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if (reliability >= 70) return 'EXCELLENT';
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if (reliability >= 50) return 'GOOD';
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if (reliability >= 30) return 'FAIR';
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if (reliability >= 15) return 'POOR';
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return 'CLOSED';
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}
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// QRZ Callsign lookup (requires API key)
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app.get('/api/qrz/lookup/:callsign', async (req, res) => {
|
|
const { callsign } = req.params;
|
|
// Note: QRZ requires an API key - this is a placeholder
|
|
res.json({
|
|
message: 'QRZ lookup requires API key configuration',
|
|
callsign: callsign.toUpperCase()
|
|
});
|
|
});
|
|
|
|
// ============================================
|
|
// CONTEST CALENDAR API
|
|
// ============================================
|
|
|
|
app.get('/api/contests', async (req, res) => {
|
|
console.log('[Contests] Fetching contest calendar...');
|
|
|
|
// Try WA7BNM Contest Calendar API
|
|
try {
|
|
const response = await fetch('https://www.contestcalendar.com/contestcal.json', {
|
|
headers: {
|
|
'User-Agent': 'OpenHamClock/3.3',
|
|
'Accept': 'application/json'
|
|
}
|
|
});
|
|
|
|
if (response.ok) {
|
|
const data = await response.json();
|
|
console.log('[Contests] WA7BNM returned', data.length, 'contests');
|
|
|
|
const now = new Date();
|
|
const contests = data
|
|
.filter(c => new Date(c.end) > now) // Only future/active
|
|
.slice(0, 20)
|
|
.map(c => {
|
|
const startDate = new Date(c.start);
|
|
const endDate = new Date(c.end);
|
|
let status = 'upcoming';
|
|
if (now >= startDate && now <= endDate) {
|
|
status = 'active';
|
|
}
|
|
|
|
return {
|
|
name: c.name || c.contest,
|
|
start: startDate.toISOString(),
|
|
end: endDate.toISOString(),
|
|
mode: c.mode || 'Mixed',
|
|
status: status,
|
|
url: c.url || null
|
|
};
|
|
});
|
|
|
|
return res.json(contests);
|
|
}
|
|
} catch (error) {
|
|
console.error('[Contests] WA7BNM error:', error.message);
|
|
}
|
|
|
|
// Fallback: Calculate known recurring contests
|
|
try {
|
|
const contests = calculateUpcomingContests();
|
|
console.log('[Contests] Using calculated contests:', contests.length);
|
|
return res.json(contests);
|
|
} catch (error) {
|
|
console.error('[Contests] Calculation error:', error.message);
|
|
}
|
|
|
|
res.json([]);
|
|
});
|
|
|
|
// Helper function to calculate upcoming contests
|
|
function calculateUpcomingContests() {
|
|
const now = new Date();
|
|
const contests = [];
|
|
|
|
// Major contest definitions with typical schedules
|
|
const majorContests = [
|
|
{ name: 'CQ WW DX CW', month: 10, weekend: -1, duration: 48, mode: 'CW' }, // Last full weekend Nov
|
|
{ name: 'CQ WW DX SSB', month: 9, weekend: -1, duration: 48, mode: 'SSB' }, // Last full weekend Oct
|
|
{ name: 'ARRL DX CW', month: 1, weekend: 3, duration: 48, mode: 'CW' }, // 3rd full weekend Feb
|
|
{ name: 'ARRL DX SSB', month: 2, weekend: 1, duration: 48, mode: 'SSB' }, // 1st full weekend Mar
|
|
{ name: 'CQ WPX SSB', month: 2, weekend: -1, duration: 48, mode: 'SSB' }, // Last full weekend Mar
|
|
{ name: 'CQ WPX CW', month: 4, weekend: -1, duration: 48, mode: 'CW' }, // Last full weekend May
|
|
{ name: 'IARU HF Championship', month: 6, weekend: 2, duration: 24, mode: 'Mixed' }, // 2nd full weekend Jul
|
|
{ name: 'ARRL Field Day', month: 5, weekend: 4, duration: 27, mode: 'Mixed' }, // 4th full weekend Jun
|
|
{ name: 'ARRL Sweepstakes CW', month: 10, weekend: 1, duration: 24, mode: 'CW' }, // 1st full weekend Nov
|
|
{ name: 'ARRL Sweepstakes SSB', month: 10, weekend: 3, duration: 24, mode: 'SSB' }, // 3rd full weekend Nov
|
|
{ name: 'ARRL 10m Contest', month: 11, weekend: 2, duration: 48, mode: 'Mixed' }, // 2nd full weekend Dec
|
|
{ name: 'ARRL RTTY Roundup', month: 0, weekend: 1, duration: 24, mode: 'RTTY' }, // 1st full weekend Jan
|
|
{ name: 'NA QSO Party CW', month: 0, weekend: 2, duration: 12, mode: 'CW' },
|
|
{ name: 'NA QSO Party SSB', month: 0, weekend: 3, duration: 12, mode: 'SSB' },
|
|
{ name: 'CQ 160m CW', month: 0, weekend: -1, duration: 42, mode: 'CW' },
|
|
{ name: 'CQ WW RTTY', month: 8, weekend: -1, duration: 48, mode: 'RTTY' },
|
|
{ name: 'JIDX CW', month: 3, weekend: 2, duration: 48, mode: 'CW' },
|
|
{ name: 'JIDX SSB', month: 10, weekend: 2, duration: 48, mode: 'SSB' },
|
|
];
|
|
|
|
// Weekly mini-contests (CWT, SST, etc.)
|
|
const weeklyContests = [
|
|
{ name: 'CWT 1300z', dayOfWeek: 3, hour: 13, duration: 1, mode: 'CW' },
|
|
{ name: 'CWT 1900z', dayOfWeek: 3, hour: 19, duration: 1, mode: 'CW' },
|
|
{ name: 'CWT 0300z', dayOfWeek: 4, hour: 3, duration: 1, mode: 'CW' },
|
|
{ name: 'NCCC Sprint', dayOfWeek: 5, hour: 3, minute: 30, duration: 0.5, mode: 'CW' },
|
|
{ name: 'K1USN SST', dayOfWeek: 0, hour: 0, duration: 1, mode: 'CW' },
|
|
{ name: 'ICWC MST', dayOfWeek: 1, hour: 13, duration: 1, mode: 'CW' },
|
|
];
|
|
|
|
// Calculate next occurrences of weekly contests
|
|
weeklyContests.forEach(contest => {
|
|
const next = new Date(now);
|
|
const currentDay = now.getUTCDay();
|
|
let daysUntil = contest.dayOfWeek - currentDay;
|
|
if (daysUntil < 0) daysUntil += 7;
|
|
if (daysUntil === 0) {
|
|
// Check if it's today but already passed
|
|
const todayStart = new Date(now);
|
|
todayStart.setUTCHours(contest.hour, contest.minute || 0, 0, 0);
|
|
if (now > todayStart) daysUntil = 7;
|
|
}
|
|
|
|
next.setUTCDate(now.getUTCDate() + daysUntil);
|
|
next.setUTCHours(contest.hour, contest.minute || 0, 0, 0);
|
|
|
|
const endTime = new Date(next.getTime() + contest.duration * 3600000);
|
|
|
|
contests.push({
|
|
name: contest.name,
|
|
start: next.toISOString(),
|
|
end: endTime.toISOString(),
|
|
mode: contest.mode,
|
|
status: (now >= next && now <= endTime) ? 'active' : 'upcoming'
|
|
});
|
|
});
|
|
|
|
// Calculate next occurrences of major contests
|
|
const year = now.getFullYear();
|
|
majorContests.forEach(contest => {
|
|
for (let y = year; y <= year + 1; y++) {
|
|
let startDate;
|
|
|
|
if (contest.weekend === -1) {
|
|
// Last weekend of month
|
|
startDate = getLastWeekendOfMonth(y, contest.month);
|
|
} else {
|
|
// Nth weekend of month
|
|
startDate = getNthWeekendOfMonth(y, contest.month, contest.weekend);
|
|
}
|
|
|
|
// Most contests start at 00:00 UTC Saturday
|
|
startDate.setUTCHours(0, 0, 0, 0);
|
|
const endDate = new Date(startDate.getTime() + contest.duration * 3600000);
|
|
|
|
if (endDate > now) {
|
|
const status = (now >= startDate && now <= endDate) ? 'active' : 'upcoming';
|
|
contests.push({
|
|
name: contest.name,
|
|
start: startDate.toISOString(),
|
|
end: endDate.toISOString(),
|
|
mode: contest.mode,
|
|
status: status
|
|
});
|
|
break; // Only add next occurrence
|
|
}
|
|
}
|
|
});
|
|
|
|
// Sort by start date
|
|
contests.sort((a, b) => new Date(a.start) - new Date(b.start));
|
|
|
|
return contests.slice(0, 15);
|
|
}
|
|
|
|
function getNthWeekendOfMonth(year, month, n) {
|
|
const date = new Date(Date.UTC(year, month, 1, 0, 0, 0));
|
|
let weekendCount = 0;
|
|
|
|
while (date.getUTCMonth() === month) {
|
|
if (date.getUTCDay() === 6) { // Saturday
|
|
weekendCount++;
|
|
if (weekendCount === n) return new Date(date);
|
|
}
|
|
date.setUTCDate(date.getUTCDate() + 1);
|
|
}
|
|
|
|
return date;
|
|
}
|
|
|
|
function getLastWeekendOfMonth(year, month) {
|
|
// Start from last day of month and work backwards
|
|
const date = new Date(Date.UTC(year, month + 1, 0)); // Last day of month
|
|
|
|
while (date.getUTCDay() !== 6) { // Find last Saturday
|
|
date.setUTCDate(date.getUTCDate() - 1);
|
|
}
|
|
|
|
return date;
|
|
}
|
|
|
|
// ============================================
|
|
// HEALTH CHECK
|
|
// ============================================
|
|
|
|
app.get('/api/health', (req, res) => {
|
|
res.json({
|
|
status: 'ok',
|
|
version: '3.3.0',
|
|
uptime: process.uptime(),
|
|
timestamp: new Date().toISOString()
|
|
});
|
|
});
|
|
|
|
// ============================================
|
|
// CONFIGURATION ENDPOINT
|
|
// ============================================
|
|
|
|
app.get('/api/config', (req, res) => {
|
|
res.json({
|
|
version: '3.0.0',
|
|
features: {
|
|
spaceWeather: true,
|
|
pota: true,
|
|
sota: true,
|
|
dxCluster: true,
|
|
satellites: false, // Coming soon
|
|
contests: false // Coming soon
|
|
},
|
|
refreshIntervals: {
|
|
spaceWeather: 300000,
|
|
pota: 60000,
|
|
sota: 60000,
|
|
dxCluster: 30000
|
|
}
|
|
});
|
|
});
|
|
|
|
// ============================================
|
|
// CATCH-ALL FOR SPA
|
|
// ============================================
|
|
|
|
app.get('*', (req, res) => {
|
|
res.sendFile(path.join(__dirname, 'public', 'index.html'));
|
|
});
|
|
|
|
// ============================================
|
|
// START SERVER
|
|
// ============================================
|
|
|
|
app.listen(PORT, () => {
|
|
console.log('');
|
|
console.log('╔═══════════════════════════════════════════════════════╗');
|
|
console.log('║ ║');
|
|
console.log('║ ██████╗ ██████╗ ███████╗███╗ ██╗ ║');
|
|
console.log('║ ██╔═══██╗██╔══██╗██╔════╝████╗ ██║ ║');
|
|
console.log('║ ██║ ██║██████╔╝█████╗ ██╔██╗ ██║ ║');
|
|
console.log('║ ██║ ██║██╔═══╝ ██╔══╝ ██║╚██╗██║ ║');
|
|
console.log('║ ╚██████╔╝██║ ███████╗██║ ╚████║ ║');
|
|
console.log('║ ╚═════╝ ╚═╝ ╚══════╝╚═╝ ╚═══╝ ║');
|
|
console.log('║ ║');
|
|
console.log('║ ██╗ ██╗ █████╗ ███╗ ███╗ ██████╗██╗ ██╗ ██╗ ║');
|
|
console.log('║ ██║ ██║██╔══██╗████╗ ████║██╔════╝██║ ██║ ██╔╝ ║');
|
|
console.log('║ ███████║███████║██╔████╔██║██║ ██║ █████╔╝ ║');
|
|
console.log('║ ██╔══██║██╔══██║██║╚██╔╝██║██║ ██║ ██╔═██╗ ║');
|
|
console.log('║ ██║ ██║██║ ██║██║ ╚═╝ ██║╚██████╗███████╗██║ ██╗ ║');
|
|
console.log('║ ╚═╝ ╚═╝╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝╚══════╝╚═╝ ╚═╝ ║');
|
|
console.log('║ ║');
|
|
console.log('╚═══════════════════════════════════════════════════════╝');
|
|
console.log('');
|
|
console.log(` 🌐 Server running at http://localhost:${PORT}`);
|
|
console.log(' 📡 API proxy enabled for NOAA, POTA, SOTA, DX Cluster');
|
|
console.log(' 🖥️ Open your browser to start using OpenHamClock');
|
|
console.log('');
|
|
console.log(' In memory of Elwood Downey, WB0OEW');
|
|
console.log(' 73 de OpenHamClock contributors');
|
|
console.log('');
|
|
});
|
|
|
|
// Graceful shutdown
|
|
process.on('SIGTERM', () => {
|
|
console.log('SIGTERM received, shutting down gracefully');
|
|
process.exit(0);
|
|
});
|
|
|
|
process.on('SIGINT', () => {
|
|
console.log('\nShutting down...');
|
|
process.exit(0);
|
|
});
|