663 lines
21 KiB
JavaScript
663 lines
21 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const path = require('path');
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require('dotenv').config();
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const db = require('./database');
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const scheduler = require('./scheduler');
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const monitorService = require('./monitorService');
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const notificationService = require('./notificationService');
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const cache = require('./cache');
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const app = express();
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const PORT = process.env.PORT || 3001;
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app.use(cors());
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app.use(express.json());
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// API Routes
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// Get all groups
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app.get('/api/groups', (req, res) => {
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const groups = db.prepare('SELECT * FROM groups ORDER BY name').all();
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res.json(groups);
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});
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// Create group
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app.post('/api/groups', (req, res) => {
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const { name, description } = req.body;
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if (!name) {
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return res.status(400).json({ error: 'Group name is required' });
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}
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try {
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const result = db.prepare('INSERT INTO groups (name, description) VALUES (?, ?)').run(name, description || '');
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res.json({ id: result.lastInsertRowid, message: 'Group created' });
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} catch (error) {
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res.status(400).json({ error: 'Group name must be unique' });
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}
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});
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// Delete group
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app.delete('/api/groups/:id', (req, res) => {
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db.prepare('DELETE FROM groups WHERE id = ?').run(req.params.id);
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res.json({ message: 'Group deleted' });
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});
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// Get all resources
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app.get('/api/resources', (req, res) => {
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const resources = db.prepare('SELECT * FROM resources ORDER BY group_id, name').all();
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res.json(resources);
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});
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// Get single resource with stats
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app.get('/api/resources/:id', (req, res) => {
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const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(req.params.id);
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if (!resource) {
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return res.status(404).json({ error: 'Resource not found' });
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}
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const stats = monitorService.getResourceStats(resource.id, 24);
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const lastCheck = monitorService.getLastCheck(resource.id);
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const activeIncident = db.prepare(`
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SELECT * FROM incidents
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WHERE resource_id = ? AND resolved_at IS NULL
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`).get(resource.id);
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res.json({
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...resource,
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stats,
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lastCheck,
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hasActiveIncident: !!activeIncident,
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});
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});
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// Create resource
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app.post('/api/resources', (req, res) => {
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const { name, url, type, check_interval, timeout, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to } = req.body;
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if (!name || !url) {
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return res.status(400).json({ error: 'Name and URL are required' });
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}
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const stmt = db.prepare(`
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INSERT INTO resources (name, url, type, check_interval, timeout, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`);
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const result = stmt.run(
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name,
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url,
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type || 'http',
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check_interval || 60000,
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timeout || 5000,
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group_id || null,
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http_keyword || null,
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http_headers || null,
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quiet_hours_start || null,
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quiet_hours_end || null,
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cert_expiry_days || 30,
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sla_target || 99.9,
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email_to || null
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);
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// Invalidate related cache entries
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cache.invalidatePattern('history:');
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cache.invalidatePattern('sla:');
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res.json({ id: result.lastInsertRowid, message: 'Resource created' });
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});
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// Update resource
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app.put('/api/resources/:id', (req, res) => {
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const { name, url, type, check_interval, timeout, enabled, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target, email_to } = req.body;
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const stmt = db.prepare(`
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UPDATE resources
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SET name = ?, url = ?, type = ?, check_interval = ?, timeout = ?, enabled = ?, group_id = ?, http_keyword = ?, http_headers = ?, quiet_hours_start = ?, quiet_hours_end = ?, cert_expiry_days = ?, sla_target = ?, email_to = ?
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WHERE id = ?
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`);
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stmt.run(
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name,
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url,
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type,
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check_interval,
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timeout,
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enabled ? 1 : 0,
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group_id || null,
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http_keyword || null,
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http_headers || null,
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quiet_hours_start || null,
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quiet_hours_end || null,
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cert_expiry_days || 30,
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sla_target || 99.9,
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email_to || null,
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req.params.id
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);
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// Invalidate related cache entries
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cache.invalidatePattern('history:');
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cache.invalidatePattern('sla:');
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res.json({ message: 'Resource updated' });
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});
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// Delete resource
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app.delete('/api/resources/:id', (req, res) => {
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db.prepare('DELETE FROM resources WHERE id = ?').run(req.params.id);
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// Invalidate related cache entries
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cache.invalidatePattern('history:');
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cache.invalidatePattern('sla:');
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res.json({ message: 'Resource deleted' });
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});
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// Get dashboard overview (grouped)
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app.get('/api/dashboard', (req, res) => {
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const resources = db.prepare('SELECT * FROM resources ORDER BY group_id, name').all();
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const groups = db.prepare('SELECT * FROM groups ORDER BY name').all();
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const overview = resources.map(resource => {
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const lastCheck = monitorService.getLastCheck(resource.id);
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const stats = monitorService.getResourceStats(resource.id, 24);
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const activeIncident = db.prepare(`
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SELECT * FROM incidents
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WHERE resource_id = ? AND resolved_at IS NULL
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`).get(resource.id);
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const recentChecks = db.prepare(`
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SELECT response_time, status, checked_at
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FROM checks
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WHERE resource_id = ?
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ORDER BY checked_at DESC
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LIMIT 15
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`).all(resource.id).reverse();
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return {
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id: resource.id,
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name: resource.name,
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url: resource.url,
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type: resource.type,
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group_id: resource.group_id,
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enabled: resource.enabled,
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check_interval: resource.check_interval,
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timeout: resource.timeout,
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http_keyword: resource.http_keyword,
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http_headers: resource.http_headers,
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quiet_hours_start: resource.quiet_hours_start,
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quiet_hours_end: resource.quiet_hours_end,
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cert_expiry_days: resource.cert_expiry_days,
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sla_target: resource.sla_target,
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email_to: resource.email_to,
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status: lastCheck?.status || 'unknown',
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uptime: stats.uptime,
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avgResponseTime: stats.avgResponseTime,
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lastCheck: lastCheck?.checked_at,
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hasActiveIncident: !!activeIncident,
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recentChecks,
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};
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});
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res.json({ resources: overview, groups });
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});
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// Get incidents
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app.get('/api/incidents', (req, res) => {
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const incidents = db.prepare(`
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SELECT i.*, r.name as resource_name, r.url as resource_url
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FROM incidents i
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JOIN resources r ON i.resource_id = r.id
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ORDER BY i.started_at DESC
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LIMIT 50
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`).all();
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res.json(incidents);
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});
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// Get settings
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app.get('/api/settings', (req, res) => {
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const settings = {
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email_enabled: process.env.EMAIL_ENABLED === 'true',
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email_host: process.env.EMAIL_HOST || 'smtp.gmail.com',
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email_port: parseInt(process.env.EMAIL_PORT) || 587,
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email_user: process.env.EMAIL_USER || '',
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email_pass: '', // Don't send password to client
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email_from: process.env.EMAIL_FROM || '',
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email_to: process.env.EMAIL_TO || '',
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webhook_enabled: process.env.WEBHOOK_ENABLED === 'true',
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webhook_url: process.env.WEBHOOK_URL || '',
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check_interval: parseInt(process.env.CHECK_INTERVAL) || 60000,
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timeout: parseInt(process.env.TIMEOUT) || 5000,
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timezone: process.env.TIMEZONE || 'UTC',
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// Data retention settings
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retention_days: parseInt(process.env.RETENTION_DAYS) || 7,
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auto_cleanup_enabled: process.env.AUTO_CLEANUP_ENABLED === 'true',
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// Incident thresholds
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consecutive_failures: parseInt(process.env.CONSECUTIVE_FAILURES) || 3,
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grace_period: parseInt(process.env.GRACE_PERIOD) || 300,
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downtime_threshold: parseInt(process.env.DOWNTIME_THRESHOLD) || 600,
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// Alert retry logic
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alert_retry_count: parseInt(process.env.ALERT_RETRY_COUNT) || 3,
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alert_retry_delay: parseInt(process.env.ALERT_RETRY_DELAY) || 60,
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fallback_webhook: process.env.FALLBACK_WEBHOOK || '',
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// Alert scheduling
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global_quiet_hours_start: process.env.GLOBAL_QUIET_HOURS_START || '',
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global_quiet_hours_end: process.env.GLOBAL_QUIET_HOURS_END || '',
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escalation_hours: parseInt(process.env.ESCALATION_HOURS) || 4,
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// Dashboard customization
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default_sort: process.env.DEFAULT_SORT || 'name',
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items_per_page: parseInt(process.env.ITEMS_PER_PAGE) || 20,
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refresh_interval: parseInt(process.env.REFRESH_INTERVAL) || 5000,
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theme: process.env.THEME || 'light',
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};
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res.json(settings);
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});
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// Save settings
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app.post('/api/settings', (req, res) => {
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const fs = require('fs');
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const path = require('path');
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const envPath = path.join(__dirname, '../.env');
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const {
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email_enabled,
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email_host,
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email_port,
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email_user,
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email_pass,
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email_from,
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email_to,
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webhook_enabled,
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webhook_url,
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check_interval,
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timeout,
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timezone,
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retention_days,
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auto_cleanup_enabled,
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consecutive_failures,
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grace_period,
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downtime_threshold,
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alert_retry_count,
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alert_retry_delay,
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fallback_webhook,
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global_quiet_hours_start,
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global_quiet_hours_end,
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escalation_hours,
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default_sort,
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items_per_page,
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refresh_interval,
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theme,
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} = req.body;
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const envContent = `PORT=${process.env.PORT || 3001}
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EMAIL_ENABLED=${email_enabled}
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EMAIL_HOST=${email_host}
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EMAIL_PORT=${email_port}
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EMAIL_USER=${email_user}
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EMAIL_PASS=${email_pass || process.env.EMAIL_PASS || ''}
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EMAIL_FROM=${email_from}
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EMAIL_TO=${email_to}
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WEBHOOK_ENABLED=${webhook_enabled}
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WEBHOOK_URL=${webhook_url}
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CHECK_INTERVAL=${check_interval}
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TIMEOUT=${timeout}
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TIMEZONE=${timezone || 'UTC'}
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RETENTION_DAYS=${retention_days || 7}
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AUTO_CLEANUP_ENABLED=${auto_cleanup_enabled}
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CONSECUTIVE_FAILURES=${consecutive_failures || 3}
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GRACE_PERIOD=${grace_period || 300}
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DOWNTIME_THRESHOLD=${downtime_threshold || 600}
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ALERT_RETRY_COUNT=${alert_retry_count || 3}
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ALERT_RETRY_DELAY=${alert_retry_delay || 60}
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FALLBACK_WEBHOOK=${fallback_webhook || ''}
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GLOBAL_QUIET_HOURS_START=${global_quiet_hours_start || ''}
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GLOBAL_QUIET_HOURS_END=${global_quiet_hours_end || ''}
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ESCALATION_HOURS=${escalation_hours || 4}
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DEFAULT_SORT=${default_sort || 'name'}
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ITEMS_PER_PAGE=${items_per_page || 20}
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REFRESH_INTERVAL=${refresh_interval || 5000}
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THEME=${theme || 'light'}
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`;
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try {
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fs.writeFileSync(envPath, envContent);
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// Keep runtime config in sync without requiring a restart
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process.env.TIMEZONE = timezone || 'UTC';
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process.env.EMAIL_ENABLED = String(email_enabled);
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process.env.EMAIL_HOST = email_host;
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process.env.EMAIL_PORT = String(email_port);
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process.env.EMAIL_USER = email_user;
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process.env.EMAIL_PASS = email_pass || process.env.EMAIL_PASS || '';
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process.env.EMAIL_FROM = email_from;
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process.env.EMAIL_TO = email_to;
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process.env.WEBHOOK_ENABLED = String(webhook_enabled);
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process.env.WEBHOOK_URL = webhook_url;
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process.env.CHECK_INTERVAL = String(check_interval);
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process.env.TIMEOUT = String(timeout);
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process.env.RETENTION_DAYS = String(retention_days || 7);
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process.env.AUTO_CLEANUP_ENABLED = String(auto_cleanup_enabled);
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process.env.CONSECUTIVE_FAILURES = String(consecutive_failures || 3);
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process.env.GRACE_PERIOD = String(grace_period || 300);
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process.env.DOWNTIME_THRESHOLD = String(downtime_threshold || 600);
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process.env.ALERT_RETRY_COUNT = String(alert_retry_count || 3);
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process.env.ALERT_RETRY_DELAY = String(alert_retry_delay || 60);
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process.env.FALLBACK_WEBHOOK = fallback_webhook || '';
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process.env.GLOBAL_QUIET_HOURS_START = global_quiet_hours_start || '';
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process.env.GLOBAL_QUIET_HOURS_END = global_quiet_hours_end || '';
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process.env.ESCALATION_HOURS = String(escalation_hours || 4);
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process.env.DEFAULT_SORT = default_sort || 'name';
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process.env.ITEMS_PER_PAGE = String(items_per_page || 20);
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process.env.REFRESH_INTERVAL = String(refresh_interval || 5000);
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process.env.THEME = theme || 'light';
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notificationService.setConfig({
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email_enabled: email_enabled === true || email_enabled === 'true',
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email_host,
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email_port,
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email_user,
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email_pass: email_pass || process.env.EMAIL_PASS || '',
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email_from,
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email_to,
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webhook_enabled: webhook_enabled === true || webhook_enabled === 'true',
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webhook_url,
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});
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res.json({ message: 'Settings saved successfully' });
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} catch (error) {
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console.error('Error saving settings:', error);
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res.status(500).json({ error: 'Failed to save settings' });
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}
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});
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// Get historical check data for a resource (paginated)
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app.get('/api/resources/:id/history', (req, res) => {
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const { id } = req.params;
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const { days = 7, page = 1, limit = 100 } = req.query;
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const pageNum = Math.max(1, parseInt(page));
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const pageLimit = Math.min(500, Math.max(10, parseInt(limit)));
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const offset = (pageNum - 1) * pageLimit;
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const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(id);
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if (!resource) {
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return res.status(404).json({ error: 'Resource not found' });
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}
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// Get total count
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const countResult = db.prepare(`
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SELECT COUNT(*) as total FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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`).get(id, `-${days} days`);
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const checks = db.prepare(`
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SELECT
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id,
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status,
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response_time,
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status_code,
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error_message,
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details,
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checked_at
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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ORDER BY checked_at DESC
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LIMIT ? OFFSET ?
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`).all(id, `-${days} days`, pageLimit, offset);
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res.json({
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resource,
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checks: checks.reverse(), // Reverse to get ASC order for charting
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pagination: {
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page: pageNum,
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limit: pageLimit,
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total: countResult.total,
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totalPages: Math.ceil(countResult.total / pageLimit),
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},
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});
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});
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// Get all resources' check history for dashboard (optimized with aggregation)
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app.get('/api/history/overview', (req, res) => {
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const { days = 7, page = 1, page: pageParam } = req.query;
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// Resource pagination (number of resources per page)
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const pageLimit = parseInt(req.query.limit || 10);
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const currentPage = Math.max(1, parseInt(pageParam || page || 1));
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const offset = (currentPage - 1) * pageLimit;
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// Create cache key based on query parameters
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const cacheKey = `history:days=${days}:page=${currentPage}:limit=${pageLimit}`;
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// Check cache first
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const cachedResult = cache.get(cacheKey);
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if (cachedResult) {
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return res.json(cachedResult);
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}
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// Get total count of enabled resources
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const totalCount = db.prepare('SELECT COUNT(*) as count FROM resources WHERE enabled = 1').get();
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const total = totalCount.count;
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// Get paginated resources
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const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1 ORDER BY name LIMIT ? OFFSET ?')
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.all(pageLimit, offset);
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const overview = resources.map(resource => {
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// Use aggregation query to get stats without loading all rows
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const stats = db.prepare(`
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SELECT
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COUNT(*) as total,
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SUM(CASE WHEN status = 'up' THEN 1 ELSE 0 END) as up_count,
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AVG(response_time) as avg_response,
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MIN(response_time) as min_response,
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MAX(response_time) as max_response
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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`).get(resource.id, `-${days} days`);
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const uptime = stats.total > 0 ? (stats.up_count / stats.total * 100) : 0;
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const avgResponseTime = stats.avg_response || 0;
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// Load ALL checks within the time window for accurate averaging
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// (No limit; return full window so charts and stats are accurate)
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const recentChecks = db.prepare(`
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SELECT
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status,
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response_time,
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checked_at
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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ORDER BY checked_at ASC
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`).all(resource.id, `-${days} days`);
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return {
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id: resource.id,
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name: resource.name,
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type: resource.type,
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checks: recentChecks.reverse(), // For charting in chronological order
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uptime: uptime.toFixed(2),
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avgResponseTime: avgResponseTime.toFixed(0),
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};
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});
|
|
|
|
const result = { resources: overview, total, page: currentPage, limit: pageLimit };
|
|
|
|
// Cache result for 2 minutes (120 seconds)
|
|
cache.set(cacheKey, result, 120);
|
|
|
|
res.json(result);
|
|
});
|
|
|
|
// Acknowledge incident
|
|
app.post('/api/incidents/:id/acknowledge', (req, res) => {
|
|
const { id } = req.params;
|
|
const { acknowledged_by } = req.body;
|
|
|
|
const stmt = db.prepare(`
|
|
UPDATE incidents
|
|
SET acknowledged = 1, acknowledged_at = datetime('now'), acknowledged_by = ?
|
|
WHERE id = ? AND resolved_at IS NULL
|
|
`);
|
|
|
|
const result = stmt.run(acknowledged_by || 'User', id);
|
|
|
|
if (result.changes === 0) {
|
|
return res.status(404).json({ error: 'Incident not found or already resolved' });
|
|
}
|
|
|
|
res.json({ message: 'Incident acknowledged' });
|
|
});
|
|
|
|
// Get SLA report
|
|
app.get('/api/sla', (req, res) => {
|
|
const { days = 30, page = 1, limit = 10 } = req.query;
|
|
const pageLimit = parseInt(limit);
|
|
const currentPage = Math.max(1, parseInt(page));
|
|
const offset = (currentPage - 1) * pageLimit;
|
|
|
|
// Create cache key
|
|
const cacheKey = `sla:days=${days}:page=${currentPage}:limit=${pageLimit}`;
|
|
|
|
// Check cache first
|
|
const cachedResult = cache.get(cacheKey);
|
|
if (cachedResult) {
|
|
return res.json(cachedResult);
|
|
}
|
|
|
|
// Get total count
|
|
const totalCount = db.prepare('SELECT COUNT(*) as count FROM resources WHERE enabled = 1').get();
|
|
const total = totalCount.count;
|
|
|
|
// Get paginated resources
|
|
const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1 ORDER BY name LIMIT ? OFFSET ?')
|
|
.all(pageLimit, offset);
|
|
|
|
const slaData = resources.map(resource => {
|
|
const checks = db.prepare(`
|
|
SELECT status
|
|
FROM checks
|
|
WHERE resource_id = ? AND checked_at > datetime('now', ?)
|
|
`).all(resource.id, `-${days} days`);
|
|
|
|
const upCount = checks.filter(c => c.status === 'up').length;
|
|
const actualUptime = checks.length > 0 ? (upCount / checks.length * 100) : 0;
|
|
const target = resource.sla_target || 99.9;
|
|
const meetsTarget = actualUptime >= target;
|
|
|
|
const incidents = db.prepare(`
|
|
SELECT COUNT(*) as count,
|
|
SUM(julianday(COALESCE(resolved_at, datetime('now'))) - julianday(started_at)) * 24 * 60 as downtime_minutes
|
|
FROM incidents
|
|
WHERE resource_id = ? AND started_at > datetime('now', ?)
|
|
`).get(resource.id, `-${days} days`);
|
|
|
|
return {
|
|
resource_id: resource.id,
|
|
resource_name: resource.name,
|
|
sla_target: target,
|
|
actual_uptime: actualUptime.toFixed(2),
|
|
meets_target: meetsTarget,
|
|
total_checks: checks.length,
|
|
successful_checks: upCount,
|
|
incidents: incidents.count || 0,
|
|
downtime_minutes: Math.round(incidents.downtime_minutes || 0),
|
|
group_id: resource.group_id,
|
|
};
|
|
});
|
|
|
|
const result = { resources: slaData, total, page: currentPage, limit: pageLimit };
|
|
|
|
// Cache result for 3 minutes (180 seconds)
|
|
cache.set(cacheKey, result, 180);
|
|
|
|
res.json(result);
|
|
});
|
|
|
|
// Test email
|
|
app.post('/api/test-email', async (req, res) => {
|
|
const nodemailer = require('nodemailer');
|
|
const { email_host, email_port, email_user, email_pass, email_from, email_to } = req.body;
|
|
|
|
try {
|
|
const transporter = nodemailer.createTransport({
|
|
host: email_host,
|
|
port: parseInt(email_port),
|
|
secure: false,
|
|
auth: {
|
|
user: email_user,
|
|
pass: email_pass,
|
|
},
|
|
});
|
|
|
|
await transporter.sendMail({
|
|
from: email_from,
|
|
to: email_to,
|
|
subject: 'Test Email from SkyWatch',
|
|
text: `This is a test email from your SkyWatch monitoring system.\n\nTime: ${new Date().toLocaleString()}\n\nIf you received this, your email notifications are working correctly!`,
|
|
});
|
|
|
|
res.json({ message: 'Test email sent successfully! Check your inbox.' });
|
|
} catch (error) {
|
|
console.error('Test email error:', error);
|
|
res.status(500).json({ error: error.message });
|
|
}
|
|
});
|
|
|
|
// Test webhook
|
|
app.post('/api/test-webhook', async (req, res) => {
|
|
const axios = require('axios');
|
|
const { webhook_url } = req.body;
|
|
|
|
try {
|
|
await axios.post(webhook_url, {
|
|
resource: 'Test Resource',
|
|
url: 'https://example.com',
|
|
status: 'test',
|
|
message: 'This is a test webhook from SkyWatch',
|
|
timestamp: new Date().toISOString(),
|
|
});
|
|
|
|
res.json({ message: 'Test webhook sent successfully!' });
|
|
} catch (error) {
|
|
console.error('Test webhook error:', error);
|
|
res.status(500).json({ error: error.message });
|
|
}
|
|
});
|
|
|
|
// Serve React app with proper MIME types
|
|
const mimeTypes = {
|
|
'.js': 'application/javascript',
|
|
'.css': 'text/css',
|
|
'.json': 'application/json',
|
|
'.png': 'image/png',
|
|
'.jpg': 'image/jpeg',
|
|
'.gif': 'image/gif',
|
|
'.svg': 'image/svg+xml',
|
|
'.woff': 'font/woff',
|
|
'.woff2': 'font/woff2'
|
|
};
|
|
|
|
app.use(express.static(path.join(__dirname, '../client/build'), {
|
|
setHeaders: (res, filePath) => {
|
|
const ext = path.extname(filePath).toLowerCase();
|
|
if (mimeTypes[ext]) {
|
|
res.setHeader('Content-Type', mimeTypes[ext]);
|
|
}
|
|
}
|
|
}));
|
|
|
|
// Only serve index.html for non-file routes (no extension)
|
|
app.get('*', (req, res, next) => {
|
|
// If the request has a file extension, let static middleware handle it or 404
|
|
if (path.extname(req.path)) {
|
|
return next();
|
|
}
|
|
res.sendFile(path.join(__dirname, '../client/build/index.html'));
|
|
});
|
|
|
|
// Start server
|
|
app.listen(PORT, () => {
|
|
console.log(`Server running on http://localhost:${PORT}`);
|
|
scheduler.start();
|
|
});
|