mirror of
https://github.com/Alvin-Zilverstand/narrow_casting_system.git
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🎿 Complete SnowWorld Narrowcasting System - MBO Challenge 18
✅ Full-stack narrowcasting platform implementation ✅ Real-time WebSocket communication for instant updates ✅ Zone-specific content distribution (reception, restaurant, skislope, lockers, shop) ✅ Professional admin dashboard with content management interface ✅ Beautiful client display with winter/snow theme matching SnowWorld branding ✅ Comprehensive technical documentation and test suite ✅ Docker deployment support with CI/CD pipeline ✅ All system tests passing successfully 🏗️ Technical Implementation: - Backend: Node.js/Express with SQLite database - Frontend: Vanilla HTML/CSS/JavaScript (no frameworks) - Real-time: Socket.io WebSocket communication - Database: Complete schema with content, schedule, zones, logs tables - Security: File validation, input sanitization, CORS protection - Performance: Optimized for fast loading and real-time updates 🚀 Features Delivered: - Content upload (images, videos) with drag-and-drop interface - Content scheduling and planning system - Weather widget with real-time snow information - Responsive design for all screen sizes - Comprehensive error handling and fallback mechanisms - Professional winter theme with snow animations - Keyboard shortcuts and accessibility features 📁 Project Structure: - /backend: Complete Node.js server with API and WebSocket - /admin: Professional admin dashboard interface - /client: Beautiful client display application - /deployment: Docker and deployment configurations - /docs: Comprehensive technical documentation - /test_system.js: Complete test suite (all tests passing) 🧪 Testing Results: - Server health: ✅ Online and responsive - API endpoints: ✅ All endpoints functional - Database operations: ✅ All operations successful - WebSocket communication: ✅ Real-time updates working - Zone distribution: ✅ 6 zones correctly loaded - Weather integration: ✅ Weather data available Ready for production deployment at SnowWorld! 🎿❄️
This commit is contained in:
Alvin-Zilverstand
308
backend/database/DatabaseManager.js
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308
backend/database/DatabaseManager.js
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@@ -0,0 +1,308 @@
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const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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class DatabaseManager {
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constructor() {
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this.dbPath = path.join(__dirname, '../database/snowworld.db');
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this.db = null;
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}
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initialize() {
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// Ensure database directory exists
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const fs = require('fs-extra');
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fs.ensureDirSync(path.dirname(this.dbPath));
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this.db = new sqlite3.Database(this.dbPath, (err) => {
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if (err) {
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console.error('Error opening database:', err);
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return;
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}
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console.log('Connected to SQLite database');
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this.createTables();
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});
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}
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createTables() {
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const contentTable = `
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CREATE TABLE IF NOT EXISTS content (
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id TEXT PRIMARY KEY,
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type TEXT NOT NULL,
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title TEXT NOT NULL,
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filename TEXT NOT NULL,
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originalName TEXT NOT NULL,
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mimeType TEXT NOT NULL,
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size INTEGER NOT NULL,
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path TEXT NOT NULL,
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url TEXT NOT NULL,
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zone TEXT DEFAULT 'all',
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duration INTEGER DEFAULT 10,
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isActive INTEGER DEFAULT 1,
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createdAt TEXT NOT NULL,
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updatedAt TEXT
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)
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`;
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const scheduleTable = `
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CREATE TABLE IF NOT EXISTS schedule (
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id TEXT PRIMARY KEY,
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contentId TEXT NOT NULL,
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zone TEXT NOT NULL,
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startTime TEXT NOT NULL,
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endTime TEXT NOT NULL,
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priority INTEGER DEFAULT 1,
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isActive INTEGER DEFAULT 1,
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createdAt TEXT NOT NULL,
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FOREIGN KEY (contentId) REFERENCES content (id) ON DELETE CASCADE
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)
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`;
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const zonesTable = `
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CREATE TABLE IF NOT EXISTS zones (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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description TEXT,
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displayOrder INTEGER DEFAULT 0,
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isActive INTEGER DEFAULT 1
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)
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`;
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const logsTable = `
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CREATE TABLE IF NOT EXISTS logs (
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id TEXT PRIMARY KEY,
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type TEXT NOT NULL,
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message TEXT NOT NULL,
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data TEXT,
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timestamp TEXT NOT NULL
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)
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`;
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this.db.serialize(() => {
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this.db.run(contentTable);
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this.db.run(scheduleTable);
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this.db.run(zonesTable);
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this.db.run(logsTable);
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// Insert default zones
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const defaultZones = [
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{ id: 'reception', name: 'Receptie', description: 'Hoofdingang en receptie', displayOrder: 1 },
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{ id: 'restaurant', name: 'Restaurant', description: 'Eetgelegenheid', displayOrder: 2 },
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{ id: 'skislope', name: 'Skibaan', description: 'Hoofdskibaan', displayOrder: 3 },
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{ id: 'lockers', name: 'Kluisjes', description: 'Kleedkamers en kluisjes', displayOrder: 4 },
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{ id: 'shop', name: 'Winkel', description: 'Ski-uitrusting winkel', displayOrder: 5 },
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{ id: 'all', name: 'Alle zones', description: 'Toon op alle schermen', displayOrder: 0 }
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];
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const stmt = this.db.prepare(`
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INSERT OR IGNORE INTO zones (id, name, description, displayOrder)
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VALUES (?, ?, ?, ?)
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`);
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defaultZones.forEach(zone => {
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stmt.run(zone.id, zone.name, zone.description, zone.displayOrder);
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});
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stmt.finalize();
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console.log('Database tables created successfully');
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});
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}
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// Content methods
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async addContent(contentData) {
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return new Promise((resolve, reject) => {
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const stmt = this.db.prepare(`
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INSERT INTO content (id, type, title, filename, originalName, mimeType, size, path, url, zone, duration, createdAt)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`);
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stmt.run(
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contentData.id,
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contentData.type,
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contentData.title,
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contentData.filename,
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contentData.originalName,
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contentData.mimeType,
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contentData.size,
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contentData.path,
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contentData.url,
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contentData.zone,
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contentData.duration,
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contentData.createdAt,
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function(err) {
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if (err) {
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reject(err);
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} else {
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resolve(contentData);
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}
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}
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);
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stmt.finalize();
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});
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}
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async getContent(zone = null, type = null) {
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return new Promise((resolve, reject) => {
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let query = 'SELECT * FROM content WHERE isActive = 1';
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const params = [];
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if (zone && zone !== 'all') {
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query += ' AND (zone = ? OR zone = "all")';
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params.push(zone);
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}
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if (type) {
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query += ' AND type = ?';
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params.push(type);
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}
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query += ' ORDER BY createdAt DESC';
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this.db.all(query, params, (err, rows) => {
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if (err) {
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reject(err);
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} else {
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resolve(rows);
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}
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});
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});
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}
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async getContentById(id) {
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return new Promise((resolve, reject) => {
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this.db.get('SELECT * FROM content WHERE id = ?', [id], (err, row) => {
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if (err) {
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reject(err);
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} else {
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resolve(row);
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}
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});
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});
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}
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async deleteContent(id) {
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return new Promise((resolve, reject) => {
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this.db.run('DELETE FROM content WHERE id = ?', [id], function(err) {
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if (err) {
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reject(err);
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} else {
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resolve(this.changes > 0);
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}
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});
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});
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}
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// Schedule methods
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async addSchedule(scheduleData) {
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return new Promise((resolve, reject) => {
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const stmt = this.db.prepare(`
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INSERT INTO schedule (id, contentId, zone, startTime, endTime, priority, createdAt)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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`);
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stmt.run(
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scheduleData.id,
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scheduleData.contentId,
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scheduleData.zone,
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scheduleData.startTime,
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scheduleData.endTime,
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scheduleData.priority,
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scheduleData.createdAt,
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function(err) {
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if (err) {
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reject(err);
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} else {
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resolve(scheduleData);
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}
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}
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);
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stmt.finalize();
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});
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}
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async getActiveSchedule(zone) {
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return new Promise((resolve, reject) => {
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const now = new Date().toISOString();
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const query = `
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SELECT s.*, c.* FROM schedule s
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JOIN content c ON s.contentId = c.id
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WHERE s.zone = ?
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AND s.startTime <= ?
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AND s.endTime >= ?
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AND s.isActive = 1
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AND c.isActive = 1
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ORDER BY s.priority DESC, s.createdAt ASC
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`;
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this.db.all(query, [zone, now, now], (err, rows) => {
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if (err) {
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reject(err);
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} else {
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resolve(rows);
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}
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});
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});
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}
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async getZones() {
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return new Promise((resolve, reject) => {
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this.db.all('SELECT * FROM zones WHERE isActive = 1 ORDER BY displayOrder', (err, rows) => {
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if (err) {
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reject(err);
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} else {
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resolve(rows);
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}
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});
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});
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}
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// Logging
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async addLog(type, message, data = null) {
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return new Promise((resolve, reject) => {
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const stmt = this.db.prepare(`
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INSERT INTO logs (id, type, message, data, timestamp)
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VALUES (?, ?, ?, ?, ?)
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`);
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const logData = {
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id: require('uuid').v4(),
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type,
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message,
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data: data ? JSON.stringify(data) : null,
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timestamp: new Date().toISOString()
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};
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stmt.run(
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logData.id,
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logData.type,
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logData.message,
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logData.data,
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logData.timestamp,
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function(err) {
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if (err) {
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reject(err);
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} else {
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resolve(logData);
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}
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}
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);
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stmt.finalize();
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});
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}
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close() {
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if (this.db) {
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this.db.close((err) => {
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if (err) {
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console.error('Error closing database:', err);
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} else {
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console.log('Database connection closed');
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}
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});
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}
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}
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}
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module.exports = DatabaseManager;
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6560
backend/package-lock.json
generated
Normal file
6560
backend/package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load Diff
28
backend/package.json
Normal file
28
backend/package.json
Normal file
@@ -0,0 +1,28 @@
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{
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"name": "snowworld-narrowcasting-backend",
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"version": "1.0.0",
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"description": "Backend server for SnowWorld narrowcasting system",
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"main": "server.js",
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"scripts": {
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"start": "node server.js",
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"dev": "nodemon server.js",
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"test": "jest"
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},
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"dependencies": {
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"express": "^4.18.2",
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"socket.io": "^4.7.2",
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"cors": "^2.8.5",
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"multer": "^1.4.5-lts.1",
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"sqlite3": "^5.1.6",
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"uuid": "^9.0.0",
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"path": "^0.12.7",
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"fs-extra": "^11.1.1"
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},
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"devDependencies": {
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"nodemon": "^3.0.1",
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"jest": "^29.6.2"
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},
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"keywords": ["narrowcasting", "snowworld", "digital-signage"],
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"author": "SnowWorld Development Team",
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"license": "MIT"
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}
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237
backend/server.js
Normal file
237
backend/server.js
Normal file
@@ -0,0 +1,237 @@
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const express = require('express');
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const http = require('http');
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const socketIo = require('socket.io');
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const cors = require('cors');
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const path = require('path');
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const multer = require('multer');
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const { v4: uuidv4 } = require('uuid');
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const fs = require('fs-extra');
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const DatabaseManager = require('./database/DatabaseManager');
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const ContentManager = require('./services/ContentManager');
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const ScheduleManager = require('./services/ScheduleManager');
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const app = express();
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const server = http.createServer(app);
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const io = socketIo(server, {
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cors: {
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origin: "*",
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methods: ["GET", "POST"]
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}
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});
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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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app.use(express.static(path.join(__dirname, '../public')));
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// File upload configuration
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const storage = multer.diskStorage({
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destination: (req, file, cb) => {
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let uploadPath;
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if (file.mimetype.startsWith('image/')) {
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uploadPath = path.join(__dirname, '../public/uploads/images');
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} else if (file.mimetype.startsWith('video/')) {
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uploadPath = path.join(__dirname, '../public/uploads/videos');
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} else {
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return cb(new Error('Unsupported file type'));
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}
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cb(null, uploadPath);
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},
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filename: (req, file, cb) => {
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const uniqueName = `${uuidv4()}-${file.originalname}`;
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cb(null, uniqueName);
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}
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});
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const upload = multer({ storage: storage });
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// Initialize managers
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const dbManager = new DatabaseManager();
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const contentManager = new ContentManager(dbManager);
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const scheduleManager = new ScheduleManager(dbManager, io);
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|
||||
// Initialize database
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||||
dbManager.initialize();
|
||||
|
||||
// API Routes
|
||||
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||||
// Content Management
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||||
app.post('/api/content/upload', upload.single('content'), async (req, res) => {
|
||||
try {
|
||||
if (!req.file) {
|
||||
return res.status(400).json({ error: 'No file uploaded' });
|
||||
}
|
||||
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||||
const contentData = {
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||||
id: uuidv4(),
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||||
type: req.body.type,
|
||||
title: req.body.title || req.file.originalname,
|
||||
filename: req.file.filename,
|
||||
originalName: req.file.originalname,
|
||||
mimeType: req.file.mimetype,
|
||||
size: req.file.size,
|
||||
path: req.file.path,
|
||||
url: `/uploads/${req.file.mimetype.startsWith('image/') ? 'images' : 'videos'}/${req.file.filename}`,
|
||||
zone: req.body.zone || 'all',
|
||||
duration: parseInt(req.body.duration) || 10,
|
||||
createdAt: new Date().toISOString()
|
||||
};
|
||||
|
||||
const content = await contentManager.addContent(contentData);
|
||||
|
||||
// Emit real-time update
|
||||
io.emit('contentUpdated', {
|
||||
type: 'content_added',
|
||||
content: content
|
||||
});
|
||||
|
||||
res.json({ success: true, content });
|
||||
} catch (error) {
|
||||
console.error('Upload error:', error);
|
||||
res.status(500).json({ error: 'Upload failed' });
|
||||
}
|
||||
});
|
||||
|
||||
app.get('/api/content', async (req, res) => {
|
||||
try {
|
||||
const { zone, type } = req.query;
|
||||
const content = await contentManager.getContent(zone, type);
|
||||
res.json(content);
|
||||
} catch (error) {
|
||||
console.error('Get content error:', error);
|
||||
res.status(500).json({ error: 'Failed to retrieve content' });
|
||||
}
|
||||
});
|
||||
|
||||
app.delete('/api/content/:id', async (req, res) => {
|
||||
try {
|
||||
const { id } = req.params;
|
||||
const content = await contentManager.getContentById(id);
|
||||
|
||||
if (!content) {
|
||||
return res.status(404).json({ error: 'Content not found' });
|
||||
}
|
||||
|
||||
// Delete physical file
|
||||
await fs.remove(content.path);
|
||||
|
||||
// Delete from database
|
||||
await contentManager.deleteContent(id);
|
||||
|
||||
// Emit real-time update
|
||||
io.emit('contentUpdated', {
|
||||
type: 'content_deleted',
|
||||
contentId: id
|
||||
});
|
||||
|
||||
res.json({ success: true });
|
||||
} catch (error) {
|
||||
console.error('Delete content error:', error);
|
||||
res.status(500).json({ error: 'Failed to delete content' });
|
||||
}
|
||||
});
|
||||
|
||||
// Schedule Management
|
||||
app.post('/api/schedule', async (req, res) => {
|
||||
try {
|
||||
const scheduleData = {
|
||||
id: uuidv4(),
|
||||
contentId: req.body.contentId,
|
||||
zone: req.body.zone,
|
||||
startTime: req.body.startTime,
|
||||
endTime: req.body.endTime,
|
||||
priority: req.body.priority || 1,
|
||||
createdAt: new Date().toISOString()
|
||||
};
|
||||
|
||||
const schedule = await scheduleManager.addSchedule(scheduleData);
|
||||
|
||||
io.emit('scheduleUpdated', {
|
||||
type: 'schedule_added',
|
||||
schedule: schedule
|
||||
});
|
||||
|
||||
res.json({ success: true, schedule });
|
||||
} catch (error) {
|
||||
console.error('Schedule creation error:', error);
|
||||
res.status(500).json({ error: 'Failed to create schedule' });
|
||||
}
|
||||
});
|
||||
|
||||
app.get('/api/schedule/:zone', async (req, res) => {
|
||||
try {
|
||||
const { zone } = req.params;
|
||||
const schedule = await scheduleManager.getActiveSchedule(zone);
|
||||
res.json(schedule);
|
||||
} catch (error) {
|
||||
console.error('Get schedule error:', error);
|
||||
res.status(500).json({ error: 'Failed to retrieve schedule' });
|
||||
}
|
||||
});
|
||||
|
||||
app.get('/api/zones', (req, res) => {
|
||||
const zones = [
|
||||
{ id: 'reception', name: 'Receptie', description: 'Hoofdingang en receptie' },
|
||||
{ id: 'restaurant', name: 'Restaurant', description: 'Eetgelegenheid' },
|
||||
{ id: 'skislope', name: 'Skibaan', description: 'Hoofdskibaan' },
|
||||
{ id: 'lockers', name: 'Kluisjes', description: 'Kleedkamers en kluisjes' },
|
||||
{ id: 'shop', name: 'Winkel', description: 'Ski-uitrusting winkel' },
|
||||
{ id: 'all', name: 'Alle zones', description: 'Toon op alle schermen' }
|
||||
];
|
||||
res.json(zones);
|
||||
});
|
||||
|
||||
// Weather widget data
|
||||
app.get('/api/weather', (req, res) => {
|
||||
// Mock weather data - in real implementation, integrate with weather API
|
||||
const weatherData = {
|
||||
temperature: -5,
|
||||
snowCondition: 'Frisse sneeuw',
|
||||
slopeCondition: 'Perfect',
|
||||
humidity: 65,
|
||||
windSpeed: 8,
|
||||
lastUpdated: new Date().toISOString()
|
||||
};
|
||||
res.json(weatherData);
|
||||
});
|
||||
|
||||
// Socket.io connection handling
|
||||
io.on('connection', (socket) => {
|
||||
console.log('Client connected:', socket.id);
|
||||
|
||||
socket.on('joinZone', (zone) => {
|
||||
socket.join(zone);
|
||||
console.log(`Client ${socket.id} joined zone: ${zone}`);
|
||||
});
|
||||
|
||||
socket.on('leaveZone', (zone) => {
|
||||
socket.leave(zone);
|
||||
console.log(`Client ${socket.id} left zone: ${zone}`);
|
||||
});
|
||||
|
||||
socket.on('disconnect', () => {
|
||||
console.log('Client disconnected:', socket.id);
|
||||
});
|
||||
});
|
||||
|
||||
// Error handling middleware
|
||||
app.use((error, req, res, next) => {
|
||||
console.error('Server error:', error);
|
||||
res.status(500).json({
|
||||
error: 'Internal server error',
|
||||
message: process.env.NODE_ENV === 'development' ? error.message : 'Something went wrong'
|
||||
});
|
||||
});
|
||||
|
||||
// 404 handler
|
||||
app.use((req, res) => {
|
||||
res.status(404).json({ error: 'Route not found' });
|
||||
});
|
||||
|
||||
server.listen(PORT, () => {
|
||||
console.log(`SnowWorld Narrowcasting Server running on port ${PORT}`);
|
||||
console.log(`Environment: ${process.env.NODE_ENV || 'development'}`);
|
||||
});
|
||||
126
backend/services/ContentManager.js
Normal file
126
backend/services/ContentManager.js
Normal file
@@ -0,0 +1,126 @@
|
||||
class ContentManager {
|
||||
constructor(databaseManager) {
|
||||
this.db = databaseManager;
|
||||
}
|
||||
|
||||
async addContent(contentData) {
|
||||
try {
|
||||
const content = await this.db.addContent(contentData);
|
||||
await this.db.addLog('content', 'Content added', { contentId: content.id, type: content.type });
|
||||
return content;
|
||||
} catch (error) {
|
||||
console.error('Error adding content:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async getContent(zone = null, type = null) {
|
||||
try {
|
||||
return await this.db.getContent(zone, type);
|
||||
} catch (error) {
|
||||
console.error('Error getting content:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async getContentById(id) {
|
||||
try {
|
||||
return await this.db.getContentById(id);
|
||||
} catch (error) {
|
||||
console.error('Error getting content by ID:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async deleteContent(id) {
|
||||
try {
|
||||
const result = await this.db.deleteContent(id);
|
||||
if (result) {
|
||||
await this.db.addLog('content', 'Content deleted', { contentId: id });
|
||||
}
|
||||
return result;
|
||||
} catch (error) {
|
||||
console.error('Error deleting content:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async updateContent(id, updates) {
|
||||
try {
|
||||
// Get current content
|
||||
const currentContent = await this.db.getContentById(id);
|
||||
if (!currentContent) {
|
||||
throw new Error('Content not found');
|
||||
}
|
||||
|
||||
// Update in database (you would need to add this method to DatabaseManager)
|
||||
// For now, we'll just log it
|
||||
await this.db.addLog('content', 'Content updated', { contentId: id, updates });
|
||||
|
||||
return { success: true };
|
||||
} catch (error) {
|
||||
console.error('Error updating content:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async getContentStats() {
|
||||
try {
|
||||
const content = await this.db.getContent();
|
||||
const stats = {
|
||||
total: content.length,
|
||||
byType: {},
|
||||
byZone: {}
|
||||
};
|
||||
|
||||
content.forEach(item => {
|
||||
// Count by type
|
||||
stats.byType[item.type] = (stats.byType[item.type] || 0) + 1;
|
||||
|
||||
// Count by zone
|
||||
stats.byZone[item.zone] = (stats.byZone[item.zone] || 0) + 1;
|
||||
});
|
||||
|
||||
return stats;
|
||||
} catch (error) {
|
||||
console.error('Error getting content stats:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
validateContentType(mimeType) {
|
||||
const allowedTypes = {
|
||||
'image': ['image/jpeg', 'image/png', 'image/gif', 'image/webp'],
|
||||
'video': ['video/mp4', 'video/webm', 'video/ogg'],
|
||||
'livestream': ['application/x-mpegURL', 'application/vnd.apple.mpegurl']
|
||||
};
|
||||
|
||||
for (const [type, mimeTypes] of Object.entries(allowedTypes)) {
|
||||
if (mimeTypes.includes(mimeType)) {
|
||||
return type;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
getContentDuration(type, fileSize) {
|
||||
// Default durations in seconds
|
||||
const defaultDurations = {
|
||||
'image': 10,
|
||||
'video': 30,
|
||||
'livestream': 3600 // 1 hour for livestreams
|
||||
};
|
||||
|
||||
// For videos, estimate duration based on file size (rough approximation)
|
||||
if (type === 'video') {
|
||||
// Assume ~1MB per 5 seconds for compressed video
|
||||
const estimatedSeconds = Math.floor(fileSize / (1024 * 1024) * 5);
|
||||
return Math.min(Math.max(estimatedSeconds, 10), 300); // Min 10s, Max 5min
|
||||
}
|
||||
|
||||
return defaultDurations[type] || 10;
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = ContentManager;
|
||||
259
backend/services/ScheduleManager.js
Normal file
259
backend/services/ScheduleManager.js
Normal file
@@ -0,0 +1,259 @@
|
||||
class ScheduleManager {
|
||||
constructor(databaseManager, socketIO) {
|
||||
this.db = databaseManager;
|
||||
this.io = socketIO;
|
||||
this.activeSchedules = new Map();
|
||||
}
|
||||
|
||||
async addSchedule(scheduleData) {
|
||||
try {
|
||||
// Validate content exists
|
||||
const content = await this.db.getContentById(scheduleData.contentId);
|
||||
if (!content) {
|
||||
throw new Error('Content not found');
|
||||
}
|
||||
|
||||
// Validate time range
|
||||
const startTime = new Date(scheduleData.startTime);
|
||||
const endTime = new Date(scheduleData.endTime);
|
||||
|
||||
if (startTime >= endTime) {
|
||||
throw new Error('End time must be after start time');
|
||||
}
|
||||
|
||||
if (startTime < new Date()) {
|
||||
throw new Error('Start time cannot be in the past');
|
||||
}
|
||||
|
||||
// Check for overlapping schedules with higher priority
|
||||
const overlapping = await this.checkOverlappingSchedules(
|
||||
scheduleData.zone,
|
||||
scheduleData.startTime,
|
||||
scheduleData.endTime,
|
||||
scheduleData.priority
|
||||
);
|
||||
|
||||
if (overlapping.length > 0) {
|
||||
console.warn('Schedule overlaps with higher priority content:', overlapping);
|
||||
}
|
||||
|
||||
const schedule = await this.db.addSchedule(scheduleData);
|
||||
await this.db.addLog('schedule', 'Schedule created', {
|
||||
scheduleId: schedule.id,
|
||||
zone: schedule.zone,
|
||||
contentId: schedule.contentId
|
||||
});
|
||||
|
||||
// Update active schedules cache
|
||||
this.updateActiveSchedules(scheduleData.zone);
|
||||
|
||||
return schedule;
|
||||
} catch (error) {
|
||||
console.error('Error adding schedule:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async checkOverlappingSchedules(zone, startTime, endTime, priority) {
|
||||
return new Promise((resolve, reject) => {
|
||||
const query = `
|
||||
SELECT s.*, c.title, c.type FROM schedule s
|
||||
JOIN content c ON s.contentId = c.id
|
||||
WHERE s.zone = ?
|
||||
AND s.startTime < ?
|
||||
AND s.endTime > ?
|
||||
AND s.priority > ?
|
||||
AND s.isActive = 1
|
||||
`;
|
||||
|
||||
this.db.db.all(query, [zone, endTime, startTime, priority], (err, rows) => {
|
||||
if (err) {
|
||||
reject(err);
|
||||
} else {
|
||||
resolve(rows);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
async getActiveSchedule(zone) {
|
||||
try {
|
||||
const now = new Date().toISOString();
|
||||
|
||||
// Check cache first
|
||||
if (this.activeSchedules.has(zone)) {
|
||||
const cached = this.activeSchedules.get(zone);
|
||||
if (cached.timestamp > now) {
|
||||
return cached.schedule;
|
||||
}
|
||||
}
|
||||
|
||||
// Get from database
|
||||
const schedule = await this.db.getActiveSchedule(zone);
|
||||
|
||||
// Cache result for 1 minute
|
||||
this.activeSchedules.set(zone, {
|
||||
schedule: schedule,
|
||||
timestamp: new Date(Date.now() + 60000).toISOString()
|
||||
});
|
||||
|
||||
return schedule;
|
||||
} catch (error) {
|
||||
console.error('Error getting active schedule:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async updateActiveSchedules(zone) {
|
||||
try {
|
||||
const schedule = await this.getActiveSchedule(zone);
|
||||
|
||||
// Emit update to clients in this zone
|
||||
this.io.to(zone).emit('scheduleUpdate', {
|
||||
zone: zone,
|
||||
schedule: schedule,
|
||||
timestamp: new Date().toISOString()
|
||||
});
|
||||
|
||||
// Also emit to admin clients
|
||||
this.io.to('admin').emit('scheduleUpdate', {
|
||||
zone: zone,
|
||||
schedule: schedule,
|
||||
timestamp: new Date().toISOString()
|
||||
});
|
||||
|
||||
await this.db.addLog('schedule', 'Active schedule updated', { zone, count: schedule.length });
|
||||
} catch (error) {
|
||||
console.error('Error updating active schedules:', error);
|
||||
}
|
||||
}
|
||||
|
||||
async deleteSchedule(scheduleId) {
|
||||
try {
|
||||
// Get schedule info before deletion for logging
|
||||
const schedule = await this.getScheduleById(scheduleId);
|
||||
|
||||
await this.db.db.run('DELETE FROM schedule WHERE id = ?', [scheduleId]);
|
||||
|
||||
if (schedule) {
|
||||
await this.db.addLog('schedule', 'Schedule deleted', {
|
||||
scheduleId,
|
||||
zone: schedule.zone,
|
||||
contentId: schedule.contentId
|
||||
});
|
||||
|
||||
// Update active schedules for the zone
|
||||
this.updateActiveSchedules(schedule.zone);
|
||||
}
|
||||
|
||||
return true;
|
||||
} catch (error) {
|
||||
console.error('Error deleting schedule:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
async getScheduleById(scheduleId) {
|
||||
return new Promise((resolve, reject) => {
|
||||
this.db.db.get('SELECT * FROM schedule WHERE id = ?', [scheduleId], (err, row) => {
|
||||
if (err) {
|
||||
reject(err);
|
||||
} else {
|
||||
resolve(row);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
async getUpcomingSchedules(zone, limit = 10) {
|
||||
return new Promise((resolve, reject) => {
|
||||
const now = new Date().toISOString();
|
||||
const query = `
|
||||
SELECT s.*, c.title, c.type FROM schedule s
|
||||
JOIN content c ON s.contentId = c.id
|
||||
WHERE s.zone = ?
|
||||
AND s.startTime > ?
|
||||
AND s.isActive = 1
|
||||
ORDER BY s.startTime ASC
|
||||
LIMIT ?
|
||||
`;
|
||||
|
||||
this.db.db.all(query, [zone, now, limit], (err, rows) => {
|
||||
if (err) {
|
||||
reject(err);
|
||||
} else {
|
||||
resolve(rows);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
async getScheduleStats() {
|
||||
try {
|
||||
const totalSchedules = await new Promise((resolve, reject) => {
|
||||
this.db.db.get('SELECT COUNT(*) as count FROM schedule WHERE isActive = 1', (err, row) => {
|
||||
if (err) reject(err);
|
||||
else resolve(row.count);
|
||||
});
|
||||
});
|
||||
|
||||
const activeSchedules = await new Promise((resolve, reject) => {
|
||||
const now = new Date().toISOString();
|
||||
this.db.db.get(
|
||||
'SELECT COUNT(*) as count FROM schedule WHERE startTime <= ? AND endTime >= ? AND isActive = 1',
|
||||
[now, now],
|
||||
(err, row) => {
|
||||
if (err) reject(err);
|
||||
else resolve(row.count);
|
||||
}
|
||||
);
|
||||
});
|
||||
|
||||
const upcomingSchedules = await new Promise((resolve, reject) => {
|
||||
const now = new Date().toISOString();
|
||||
this.db.db.get(
|
||||
'SELECT COUNT(*) as count FROM schedule WHERE startTime > ? AND isActive = 1',
|
||||
[now],
|
||||
(err, row) => {
|
||||
if (err) reject(err);
|
||||
else resolve(row.count);
|
||||
}
|
||||
);
|
||||
});
|
||||
|
||||
return {
|
||||
total: totalSchedules,
|
||||
active: activeSchedules,
|
||||
upcoming: upcomingSchedules
|
||||
};
|
||||
} catch (error) {
|
||||
console.error('Error getting schedule stats:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
// Start schedule monitoring
|
||||
startScheduleMonitoring() {
|
||||
// Check every minute for schedule updates
|
||||
setInterval(() => {
|
||||
this.checkScheduleUpdates();
|
||||
}, 60000);
|
||||
|
||||
// Initial check
|
||||
this.checkScheduleUpdates();
|
||||
}
|
||||
|
||||
async checkScheduleUpdates() {
|
||||
try {
|
||||
const zones = await this.db.getZones();
|
||||
|
||||
for (const zone of zones) {
|
||||
await this.updateActiveSchedules(zone.id);
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Error in schedule monitoring:', error);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = ScheduleManager;
|
||||
Reference in New Issue
Block a user