Files
SignageHTML/server.js

450 lines
16 KiB
JavaScript

const http = require('http');
const https = require('https');
const url = require('url');
const PORT = 3002;
// Default configuration
let config = {
sites: [
{
id: '1411',
name: 'Ambassaderna',
enabled: true
}
]
};
// Function to load configuration from file
function loadSitesConfig() {
try {
const fs = require('fs');
if (fs.existsSync('sites-config.json')) {
const configData = fs.readFileSync('sites-config.json', 'utf8');
const loadedConfig = JSON.parse(configData);
// Handle old format (array of sites)
if (Array.isArray(loadedConfig)) {
config.sites = loadedConfig;
} else {
config = loadedConfig;
}
console.log('Loaded configuration:', config);
}
} catch (error) {
console.error('Error loading configuration:', error);
}
}
// Load configuration on startup
loadSitesConfig();
// Function to fetch data from the SL Transport API for a specific site
function fetchDeparturesForSite(siteId) {
return new Promise((resolve, reject) => {
const apiUrl = `https://transport.integration.sl.se/v1/sites/${siteId}/departures`;
console.log(`Fetching data from: ${apiUrl}`);
https.get(apiUrl, (res) => {
let data = '';
res.on('data', (chunk) => {
data += chunk;
});
res.on('end', () => {
console.log('Raw API response:', data.substring(0, 200) + '...');
try {
try {
const parsedData = JSON.parse(data);
console.log('Successfully parsed as regular JSON');
resolve(parsedData);
return;
} catch (jsonError) {
console.log('Not valid JSON, trying to fix format...');
}
if (data.startsWith('departures":')) {
data = '{' + data;
} else if (data.includes('departures":')) {
const startIndex = data.indexOf('departures":');
if (startIndex > 0) {
data = '{' + data.substring(startIndex);
}
}
data = data.replace(/}{\s*"/g, '},{"');
data = data.replace(/"([^"]+)":\s*([^,{}\[\]]+)(?=")/g, '"$1": $2,');
data = data.replace(/,\s*}/g, '}').replace(/,\s*\]/g, ']');
try {
const parsedData = JSON.parse(data);
console.log('Successfully parsed fixed JSON');
if (parsedData && parsedData.departures && parsedData.departures.length > 0) {
// Log first departure to see structure
console.log('Sample departure structure:', JSON.stringify(parsedData.departures[0], null, 2));
// Check for direction-related fields
const sample = parsedData.departures[0];
console.log('Direction fields:', {
direction: sample.direction,
directionText: sample.directionText,
directionCode: sample.directionCode,
journeyDirection: sample.journey?.direction,
stopPoint: sample.stopPoint
});
}
resolve(parsedData);
} catch (parseError) {
console.error('Error parsing fixed JSON:', parseError);
resolve({
departures: [],
error: 'Failed to parse API response: ' + parseError.message,
rawResponse: data.substring(0, 500) + '...'
});
}
} catch (error) {
console.error('Error processing API response:', error);
resolve({
departures: [],
error: 'Error processing API response: ' + error.message,
rawResponse: data.substring(0, 500) + '...'
});
}
});
}).on('error', (error) => {
console.error('Error fetching data from API:', error);
resolve({
departures: [],
error: 'Error fetching data from API: ' + error.message
});
});
});
}
// Create HTTP server
const server = http.createServer(async (req, res) => {
const parsedUrl = url.parse(req.url, true);
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
if (req.method === 'OPTIONS') {
res.writeHead(204);
res.end();
return;
}
// Function to fetch data from all enabled sites
async function fetchAllDepartures() {
const enabledSites = config.sites.filter(site => site.enabled);
if (enabledSites.length === 0) {
return { sites: [], error: 'No enabled sites configured' };
}
try {
const sitesPromises = enabledSites.map(async (site) => {
try {
const departureData = await fetchDeparturesForSite(site.id);
return {
siteId: site.id,
siteName: site.name,
data: departureData
};
} catch (error) {
console.error(`Error fetching departures for site ${site.id}:`, error);
return {
siteId: site.id,
siteName: site.name,
error: error.message
};
}
});
const results = await Promise.all(sitesPromises);
return { sites: results };
} catch (error) {
console.error('Error fetching all departures:', error);
return { sites: [], error: error.message };
}
}
// Handle API endpoints
if (parsedUrl.pathname === '/api/departures') {
try {
const data = await fetchAllDepartures();
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify(data));
} catch (error) {
console.error('Error handling departures request:', error);
res.writeHead(500, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: error.message }));
}
}
else if (parsedUrl.pathname === '/api/sites/search') {
// Search for transit sites
const query = parsedUrl.query.q;
if (!query || query.length < 2) {
res.writeHead(400, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: 'Query must be at least 2 characters' }));
return;
}
const searchUrl = `https://transport.integration.sl.se/v1/sites?q=${encodeURIComponent(query)}`;
console.log(`Searching sites: ${searchUrl}`);
https.get(searchUrl, (apiRes) => {
let data = '';
// Check for HTTP errors
if (apiRes.statusCode < 200 || apiRes.statusCode >= 300) {
console.error(`API returned status code: ${apiRes.statusCode}`);
res.writeHead(500, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: `API returned status ${apiRes.statusCode}`, sites: [] }));
return;
}
apiRes.on('data', (chunk) => {
data += chunk;
});
apiRes.on('end', () => {
try {
console.log('Raw API response:', data.substring(0, 500));
const parsedData = JSON.parse(data);
console.log('Parsed data:', JSON.stringify(parsedData).substring(0, 500));
// Handle different possible response formats
let sites = [];
if (Array.isArray(parsedData)) {
// Response is directly an array
sites = parsedData.map(site => ({
id: String(site.id || site.siteId || site.SiteId || ''),
name: site.name || site.siteName || site.Name || site.StopPointName || 'Unknown',
lat: site.lat || site.latitude || site.Lat || site.Latitude || null,
lon: site.lon || site.longitude || site.Lon || site.Longitude || null
}));
} else if (parsedData.sites && Array.isArray(parsedData.sites)) {
// Response has a sites property
sites = parsedData.sites.map(site => ({
id: String(site.id || site.siteId || site.SiteId || ''),
name: site.name || site.siteName || site.Name || site.StopPointName || 'Unknown',
lat: site.lat || site.latitude || site.Lat || site.Latitude || null,
lon: site.lon || site.longitude || site.Lon || site.Longitude || null
}));
} else if (parsedData.ResponseData && parsedData.ResponseData.Result) {
// SL API format with ResponseData
sites = parsedData.ResponseData.Result.map(site => ({
id: String(site.SiteId || site.id || ''),
name: site.Name || site.name || site.StopPointName || 'Unknown',
lat: site.Lat || site.lat || site.Latitude || site.latitude || null,
lon: site.Lon || site.lon || site.Longitude || site.longitude || null
}));
} else {
console.log('Unexpected response format:', parsedData);
sites = [];
}
// Log sample site to see structure
if (sites.length > 0) {
console.log('Sample site structure:', JSON.stringify(sites[0], null, 2));
const sitesWithCoords = sites.filter(s => s.lat && s.lon);
console.log(`Found ${sites.length} sites, ${sitesWithCoords.length} with coordinates`);
} else {
console.log('No sites found');
}
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ sites }));
} catch (error) {
console.error('Error parsing site search response:', error);
console.error('Response data:', data.substring(0, 500));
res.writeHead(500, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: 'Error parsing search results', details: error.message, sites: [] }));
}
});
}).on('error', (error) => {
console.error('Error searching sites:', error);
res.writeHead(500, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: 'Error searching sites', details: error.message, sites: [] }));
});
}
else if (parsedUrl.pathname === '/api/sites/nearby') {
// Get nearby transit sites based on coordinates
const lat = parseFloat(parsedUrl.query.lat);
const lon = parseFloat(parsedUrl.query.lon);
const radius = parseInt(parsedUrl.query.radius) || 5000; // Default 5km radius
if (isNaN(lat) || isNaN(lon)) {
res.writeHead(400, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: 'Invalid latitude or longitude', sites: [] }));
return;
}
// Use a broader search to get sites, then filter by distance
// For now, we'll search for common Stockholm area terms and filter
const searchTerms = ['Stockholm', 'T-Centralen', 'Gamla Stan', 'Södermalm'];
const allSites = [];
let completedSearches = 0;
searchTerms.forEach(term => {
const searchUrl = `https://transport.integration.sl.se/v1/sites?q=${encodeURIComponent(term)}`;
https.get(searchUrl, (apiRes) => {
let data = '';
apiRes.on('data', (chunk) => {
data += chunk;
});
apiRes.on('end', () => {
try {
const parsedData = JSON.parse(data);
let sites = [];
if (Array.isArray(parsedData)) {
sites = parsedData;
} else if (parsedData.sites) {
sites = parsedData.sites;
} else if (parsedData.ResponseData && parsedData.ResponseData.Result) {
sites = parsedData.ResponseData.Result;
}
sites.forEach(site => {
const siteLat = site.lat || site.latitude || site.Lat || site.Latitude;
const siteLon = site.lon || site.longitude || site.Lon || site.Longitude;
if (siteLat && siteLon) {
// Calculate distance (simple haversine approximation)
const distance = Math.sqrt(
Math.pow((lat - siteLat) * 111000, 2) +
Math.pow((lon - siteLon) * 111000 * Math.cos(lat * Math.PI / 180), 2)
);
if (distance <= radius) {
allSites.push({
id: String(site.id || site.siteId || site.SiteId || ''),
name: site.name || site.siteName || site.Name || site.StopPointName || 'Unknown',
lat: siteLat,
lon: siteLon
});
}
}
});
completedSearches++;
if (completedSearches === searchTerms.length) {
// Remove duplicates
const uniqueSites = Array.from(new Map(allSites.map(s => [s.id, s])).values());
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ sites: uniqueSites }));
}
} catch (error) {
completedSearches++;
if (completedSearches === searchTerms.length) {
const uniqueSites = Array.from(new Map(allSites.map(s => [s.id, s])).values());
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ sites: uniqueSites }));
}
}
});
}).on('error', () => {
completedSearches++;
if (completedSearches === searchTerms.length) {
const uniqueSites = Array.from(new Map(allSites.map(s => [s.id, s])).values());
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ sites: uniqueSites }));
}
});
});
}
else if (parsedUrl.pathname === '/api/config') {
// Return the current configuration
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify(config));
}
else if (parsedUrl.pathname === '/api/config/update' && req.method === 'POST') {
// Update configuration
let body = '';
req.on('data', chunk => {
body += chunk.toString();
});
req.on('end', () => {
try {
const newConfig = JSON.parse(body);
if (newConfig.sites) {
config = newConfig;
// Save to file
const fs = require('fs');
fs.writeFileSync('sites-config.json', JSON.stringify(config, null, 2));
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ success: true, message: 'Configuration updated' }));
} else {
throw new Error('Invalid configuration format');
}
} catch (error) {
console.error('Error updating configuration:', error);
res.writeHead(400, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: error.message }));
}
});
}
// Serve static files
else if (parsedUrl.pathname === '/' || parsedUrl.pathname === '/index.html') {
const fs = require('fs');
fs.readFile('index.html', (err, data) => {
if (err) {
res.writeHead(500, { 'Content-Type': 'text/plain' });
res.end('Error loading index.html');
return;
}
res.writeHead(200, { 'Content-Type': 'text/html' });
res.end(data);
});
}
else if (/\.(js|css|png|jpg|jpeg|gif|ico)$/.test(parsedUrl.pathname)) {
const fs = require('fs');
const filePath = parsedUrl.pathname.substring(1);
fs.readFile(filePath, (err, data) => {
if (err) {
res.writeHead(404, { 'Content-Type': 'text/plain' });
res.end('File not found');
return;
}
const ext = parsedUrl.pathname.split('.').pop();
const contentType = {
'js': 'text/javascript',
'css': 'text/css',
'png': 'image/png',
'jpg': 'image/jpeg',
'jpeg': 'image/jpeg',
'gif': 'image/gif',
'ico': 'image/x-icon'
}[ext] || 'text/plain';
res.writeHead(200, { 'Content-Type': contentType });
res.end(data);
});
}
else {
res.writeHead(404, { 'Content-Type': 'text/plain' });
res.end('Not Found');
}
});
// Start the server
server.listen(PORT, () => {
console.log(`Server running at http://localhost:${PORT}/`);
});