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update
This commit is contained in:
727
src/js/app.js
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727
src/js/app.js
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// js/app.js
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import { nostrClient } from './nostr.js';
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import { torrentClient } from './webtorrent.js';
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import { isDevMode } from './config.js';
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class NosTubeApp {
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constructor() {
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// Authentication Elements
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this.loginButton = document.getElementById('loginButton');
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this.logoutButton = document.getElementById('logoutButton');
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this.userStatus = document.getElementById('userStatus');
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this.userPubKey = document.getElementById('userPubKey');
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// Form Elements
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this.submitForm = document.getElementById('submitForm');
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this.videoFormContainer = document.getElementById('videoFormContainer');
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// Video List Element
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this.videoList = document.getElementById('videoList');
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// Video Player Elements
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this.playerSection = document.getElementById('playerSection');
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this.videoElement = document.getElementById('video');
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this.status = document.getElementById('status');
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this.progressBar = document.getElementById('progress');
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this.peers = document.getElementById('peers');
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this.speed = document.getElementById('speed');
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this.downloaded = document.getElementById('downloaded');
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// Modal Elements
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this.playerModal = document.getElementById('playerModal');
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this.modalVideo = document.getElementById('modalVideo');
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this.modalStatus = document.getElementById('modalStatus');
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this.modalProgress = document.getElementById('modalProgress');
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this.modalPeers = document.getElementById('modalPeers');
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this.modalSpeed = document.getElementById('modalSpeed');
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this.modalDownloaded = document.getElementById('modalDownloaded');
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this.closePlayerBtn = document.getElementById('closePlayer');
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// Video Info Elements
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this.videoTitle = document.getElementById('videoTitle');
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this.videoDescription = document.getElementById('videoDescription');
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this.videoTimestamp = document.getElementById('videoTimestamp');
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// Creator Info Elements
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this.creatorAvatar = document.getElementById('creatorAvatar').querySelector('img');
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this.creatorName = document.getElementById('creatorName');
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this.creatorNpub = document.getElementById('creatorNpub');
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// Notification Containers
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this.errorContainer = document.getElementById('errorContainer');
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this.successContainer = document.getElementById('successContainer');
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this.pubkey = null;
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this.currentMagnetUri = null;
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}
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/**
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* Initializes the application by setting up the Nostr client and loading videos.
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*/
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async init() {
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try {
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// Hide the video player sections initially
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this.playerSection.classList.add('hidden');
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this.playerModal.classList.add('hidden');
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// Initialize Nostr client
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await nostrClient.init();
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this.log('Nostr client initialized.');
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// Check if user is already logged in
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const savedPubKey = localStorage.getItem('userPubKey');
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if (savedPubKey) {
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this.login(savedPubKey, false);
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}
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// Setup event listeners
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this.setupEventListeners();
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this.log('Event listeners set up.');
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// Load videos
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await this.loadVideos();
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this.log('Videos loaded.');
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} catch (error) {
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this.log('Failed to initialize app:', error);
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this.showError('Failed to connect to Nostr relay. Please try again later.');
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}
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}
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/**
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* Formats a timestamp into a "time ago" format.
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*/
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formatTimeAgo(timestamp) {
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const seconds = Math.floor((Date.now() / 1000) - timestamp);
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const intervals = {
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year: 31536000,
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month: 2592000,
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week: 604800,
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day: 86400,
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hour: 3600,
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minute: 60
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};
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for (const [unit, secondsInUnit] of Object.entries(intervals)) {
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const interval = Math.floor(seconds / secondsInUnit);
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if (interval >= 1) {
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return `${interval} ${unit}${interval === 1 ? '' : 's'} ago`;
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}
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}
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return 'just now';
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}
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/**
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* Sets up event listeners for various UI interactions.
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*/
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setupEventListeners() {
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// Login Button
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this.loginButton.addEventListener('click', async () => {
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try {
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const pubkey = await nostrClient.login();
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this.login(pubkey, true);
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} catch (error) {
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this.log('Login failed:', error);
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this.showError('Failed to login. Please try again.');
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}
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});
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// Logout Button
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this.logoutButton.addEventListener('click', () => {
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this.logout();
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});
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// Form submission
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this.submitForm.addEventListener('submit', (e) => this.handleSubmit(e));
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// Close Modal Button
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if (this.closePlayerBtn) {
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this.closePlayerBtn.addEventListener('click', async () => {
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await this.hideModal();
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});
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}
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// Close Modal by clicking outside content
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if (this.playerModal) {
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this.playerModal.addEventListener('click', async (e) => {
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if (e.target === this.playerModal) {
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await this.hideModal();
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}
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});
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}
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// Video error handling
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this.videoElement.addEventListener('error', (e) => {
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const error = e.target.error;
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this.log('Video error:', error);
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if (error) {
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this.showError(`Video playback error: ${error.message || 'Unknown error'}`);
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}
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});
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// Detailed Modal Video Event Listeners
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if (this.modalVideo) {
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// Add detailed video error logging
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this.modalVideo.addEventListener('error', (e) => {
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const error = e.target.error;
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this.log('Modal video error:', error);
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if (error) {
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this.log('Error code:', error.code);
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this.log('Error message:', error.message);
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this.showError(`Video playback error: ${error.message || 'Unknown error'}`);
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}
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});
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this.modalVideo.addEventListener('loadstart', () => {
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this.log('Video loadstart event fired');
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});
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this.modalVideo.addEventListener('loadedmetadata', () => {
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this.log('Video loadedmetadata event fired');
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});
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this.modalVideo.addEventListener('canplay', () => {
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this.log('Video canplay event fired');
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});
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}
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// Cleanup on page unload
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window.addEventListener('beforeunload', async () => {
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await this.cleanup();
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});
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}
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/**
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* Handles user login.
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*/
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login(pubkey, saveToStorage = true) {
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this.pubkey = pubkey;
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this.loginButton.classList.add('hidden');
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this.logoutButton.classList.remove('hidden');
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this.userStatus.classList.remove('hidden');
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this.userPubKey.textContent = pubkey;
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this.videoFormContainer.classList.remove('hidden');
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this.log(`User logged in as: ${pubkey}`);
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if (saveToStorage) {
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localStorage.setItem('userPubKey', pubkey);
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}
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}
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/**
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* Handles user logout.
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*/
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logout() {
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nostrClient.logout();
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this.pubkey = null;
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this.loginButton.classList.remove('hidden');
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this.logoutButton.classList.add('hidden');
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this.userStatus.classList.add('hidden');
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this.userPubKey.textContent = '';
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this.videoFormContainer.classList.add('hidden');
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localStorage.removeItem('userPubKey');
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this.log('User logged out.');
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}
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/**
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* Cleans up video player and torrents.
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*/
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async cleanup() {
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try {
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if (this.videoElement) {
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this.videoElement.pause();
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this.videoElement.src = '';
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this.videoElement.load();
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}
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if (this.modalVideo) {
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this.modalVideo.pause();
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this.modalVideo.src = '';
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this.modalVideo.load();
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}
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await torrentClient.cleanup();
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} catch (error) {
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this.log('Cleanup error:', error);
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}
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}
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/**
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* Hides the video player section.
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*/
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async hideVideoPlayer() {
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await this.cleanup();
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this.playerSection.classList.add('hidden');
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}
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/**
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* Hides the video modal.
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*/
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async hideModal() {
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await this.cleanup();
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this.playerModal.style.display = 'none';
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this.playerModal.classList.add('hidden');
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}
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/**
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* Handles video submission.
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*/
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async handleSubmit(e) {
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e.preventDefault();
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if (!this.pubkey) {
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this.showError('Please login to post a video.');
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return;
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}
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const descriptionElement = document.getElementById('description');
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const formData = {
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title: document.getElementById('title') ? document.getElementById('title').value.trim() : '',
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magnet: document.getElementById('magnet') ? document.getElementById('magnet').value.trim() : '',
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thumbnail: document.getElementById('thumbnail') ? document.getElementById('thumbnail').value.trim() : '',
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description: descriptionElement ? descriptionElement.value.trim() : '',
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mode: isDevMode ? 'dev' : 'live',
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};
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// Debugging Log: Check formData
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this.log('Form Data Collected:', formData);
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if (!formData.title || !formData.magnet) {
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this.showError('Title and Magnet URI are required.');
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return;
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}
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try {
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await nostrClient.publishVideo(formData, this.pubkey);
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this.submitForm.reset();
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await this.loadVideos();
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this.showSuccess('Video shared successfully!');
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} catch (error) {
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this.log('Failed to publish video:', error.message);
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this.showError('Failed to share video. Please try again later.');
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}
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}
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/**
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* Loads and displays videos from Nostr.
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*/
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async loadVideos() {
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try {
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const videos = await nostrClient.fetchVideos();
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this.log('Fetched videos (raw):', videos);
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// Log detailed type info
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this.log('Videos type:', typeof videos);
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this.log('Is Array:', Array.isArray(videos), 'Length:', videos?.length);
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if (!videos) {
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this.log('No videos received');
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throw new Error('No videos received from relays');
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}
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// Convert to array if it isn't one
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const videosArray = Array.isArray(videos) ? videos : [videos];
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this.log('Processing videos array:', JSON.stringify(videosArray, null, 2));
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if (videosArray.length === 0) {
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this.log('No valid videos found.');
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this.videoList.innerHTML = '<p class="text-center text-gray-500">No videos available yet. Be the first to upload one!</p>';
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return;
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}
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// Log each video object before rendering
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videosArray.forEach((video, index) => {
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this.log(`Video ${index} details:`, {
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id: video.id,
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title: video.title,
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magnet: video.magnet,
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mode: video.mode,
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pubkey: video.pubkey,
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created_at: video.created_at,
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hasTitle: Boolean(video.title),
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hasMagnet: Boolean(video.magnet),
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hasMode: Boolean(video.mode)
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});
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});
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this.renderVideoList(videosArray);
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this.log(`Rendered ${videosArray.length} videos successfully`);
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} catch (error) {
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this.log('Failed to fetch videos:', error);
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this.log('Error details:', {
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name: error.name,
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message: error.message,
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stack: error.stack
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});
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this.showError('An error occurred while loading videos. Please try again later.');
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this.videoList.innerHTML = '<p class="text-center text-gray-500">No videos available at the moment. Please try again later.</p>';
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}
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}
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/**
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* Renders the video list in the UI.
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*/
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async renderVideoList(videos) {
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try {
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this.log('Starting renderVideoList with videos:', JSON.stringify(videos));
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if (!videos || videos.length === 0) {
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this.log('No videos to render');
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this.videoList.innerHTML = '<p class="text-center text-gray-500">No videos available yet. Be the first to upload one!</p>';
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return;
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}
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// Sort videos by creation date (newest first)
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videos.sort((a, b) => b.created_at - a.created_at);
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// Fetch usernames and profile pictures for all pubkeys
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const userProfiles = new Map();
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const uniquePubkeys = [...new Set(videos.map(v => v.pubkey))];
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for (const pubkey of uniquePubkeys) {
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try {
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const userEvents = await nostrClient.pool.list(nostrClient.relays, [{
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kinds: [0],
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authors: [pubkey],
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limit: 1
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}]);
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if (userEvents[0]?.content) {
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const profile = JSON.parse(userEvents[0].content);
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userProfiles.set(pubkey, {
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name: profile.name || profile.display_name || 'Unknown',
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picture: profile.picture || `https://robohash.org/${pubkey}`
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});
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} else {
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// Fallback if no profile found
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userProfiles.set(pubkey, {
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name: 'Unknown',
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picture: `https://robohash.org/${pubkey}`
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});
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}
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} catch (error) {
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this.log(`Error fetching profile for ${pubkey}:`, error);
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// Fallback in case of error
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userProfiles.set(pubkey, {
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name: 'Unknown',
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picture: `https://robohash.org/${pubkey}`
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});
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}
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}
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// Convert hex pubkeys to npubs
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const getNpub = (pubkey) => {
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try {
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return window.NostrTools.nip19.npubEncode(pubkey);
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} catch {
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return pubkey;
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}
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};
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const renderedVideos = videos.map((video, index) => {
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try {
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if (!this.validateVideo(video, index)) {
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return '';
|
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}
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||||
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const profile = userProfiles.get(video.pubkey) || { name: 'Unknown', picture: `https://robohash.org/${video.pubkey}` };
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const npub = getNpub(video.pubkey);
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const displayName = profile.name || `${npub.slice(0, 8)}...${npub.slice(-4)}`;
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const timeAgo = this.formatTimeAgo(video.created_at);
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return `
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||||
<div class="video-card bg-gray-900 rounded-lg overflow-hidden shadow-lg hover:shadow-2xl transition-all duration-300">
|
||||
<div class="aspect-w-16 aspect-h-9 bg-gray-800 cursor-pointer relative group"
|
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onclick="app.playVideo('${encodeURIComponent(video.magnet)}')">
|
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${video.thumbnail ?
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||||
`<img src="${this.escapeHTML(video.thumbnail)}"
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||||
alt="${this.escapeHTML(video.title)}"
|
||||
class="w-full h-full object-cover">` :
|
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`<div class="flex items-center justify-center h-full bg-gray-800">
|
||||
<svg class="w-16 h-16 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
|
||||
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" />
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||||
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
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||||
</svg>
|
||||
</div>`
|
||||
}
|
||||
<div class="absolute inset-0 bg-black bg-opacity-0 group-hover:bg-opacity-20 transition-opacity duration-300"></div>
|
||||
</div>
|
||||
<div class="p-4">
|
||||
<div class="flex space-x-3">
|
||||
<div class="flex-shrink-0">
|
||||
<div class="w-10 h-10 rounded-full bg-gray-700 overflow-hidden">
|
||||
<img src="${this.escapeHTML(profile.picture)}" alt="${displayName}" class="w-full h-full object-cover">
|
||||
</div>
|
||||
</div>
|
||||
<div class="flex-1 min-w-0">
|
||||
<h3 class="text-base font-medium text-white mb-1 line-clamp-2 hover:text-blue-400 cursor-pointer"
|
||||
onclick="app.playVideo('${encodeURIComponent(video.magnet)}')">
|
||||
${this.escapeHTML(video.title)}
|
||||
</h3>
|
||||
<p class="text-sm text-gray-400 hover:text-gray-300 cursor-pointer">
|
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${this.escapeHTML(displayName)}
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||||
</p>
|
||||
<div class="flex items-center text-xs text-gray-400 mt-1">
|
||||
<span>${timeAgo}</span>
|
||||
<span class="mx-1">•</span>
|
||||
<span class="${video.mode === 'dev' ? 'text-red-400' : 'text-green-400'}">
|
||||
${video.mode.toUpperCase()}
|
||||
</span>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
`;
|
||||
} catch (error) {
|
||||
this.log(`Error processing video ${index}:`, error);
|
||||
return '';
|
||||
}
|
||||
}).filter(html => html.length > 0);
|
||||
|
||||
if (renderedVideos.length === 0) {
|
||||
this.videoList.innerHTML = '<p class="text-center text-gray-500">No valid videos available.</p>';
|
||||
return;
|
||||
}
|
||||
|
||||
this.videoList.innerHTML = renderedVideos.join('');
|
||||
this.log('Rendered video list successfully');
|
||||
} catch (error) {
|
||||
this.log('Error in renderVideoList:', error);
|
||||
this.showError('Failed to render video list. Please try again later.');
|
||||
this.videoList.innerHTML = '<p class="text-center text-gray-500">Error loading videos. Please try again later.</p>';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats a Nostr public key into a shortened npub format
|
||||
*/
|
||||
formatNpub(pubkey) {
|
||||
if (!pubkey) return 'Unknown';
|
||||
try {
|
||||
// Format the pubkey to show only first 6 and last 4 characters
|
||||
return `${pubkey.slice(0, 6)}...${pubkey.slice(-4)}`;
|
||||
} catch (error) {
|
||||
return 'Unknown';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Validates a video object
|
||||
*/
|
||||
validateVideo(video, index) {
|
||||
const validationResults = {
|
||||
hasVideo: Boolean(video),
|
||||
hasTitle: Boolean(video?.title),
|
||||
hasMagnet: Boolean(video?.magnet),
|
||||
hasMode: Boolean(video?.mode),
|
||||
hasPubkey: Boolean(video?.pubkey),
|
||||
isValidTitle: typeof video?.title === 'string' && video.title.length > 0,
|
||||
isValidMagnet: typeof video?.magnet === 'string' && video.magnet.length > 0
|
||||
};
|
||||
|
||||
this.log(`Video ${index} validation results:`, validationResults);
|
||||
|
||||
return Object.values(validationResults).every(Boolean);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets a user-friendly error message.
|
||||
*/
|
||||
getErrorMessage(error) {
|
||||
if (error.message.includes('404')) {
|
||||
return 'Service worker not found. Please check server configuration.';
|
||||
} else if (error.message.includes('Brave')) {
|
||||
return 'Please disable Brave Shields for this site to play videos.';
|
||||
} else if (error.message.includes('timeout')) {
|
||||
return 'Connection timeout. Please check your internet connection.';
|
||||
} else {
|
||||
return 'Failed to play video. Please try again.';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Shows an error message to the user.
|
||||
*/
|
||||
showError(message) {
|
||||
if (this.errorContainer) {
|
||||
this.errorContainer.textContent = message;
|
||||
this.errorContainer.classList.remove('hidden');
|
||||
setTimeout(() => {
|
||||
this.errorContainer.classList.add('hidden');
|
||||
this.errorContainer.textContent = '';
|
||||
}, 5000);
|
||||
} else {
|
||||
alert(message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Shows a success message to the user.
|
||||
*/
|
||||
showSuccess(message) {
|
||||
if (this.successContainer) {
|
||||
this.successContainer.textContent = message;
|
||||
this.successContainer.classList.remove('hidden');
|
||||
setTimeout(() => {
|
||||
this.successContainer.classList.add('hidden');
|
||||
this.successContainer.textContent = '';
|
||||
}, 5000);
|
||||
} else {
|
||||
alert(message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Escapes HTML to prevent XSS.
|
||||
*/
|
||||
escapeHTML(unsafe) {
|
||||
return unsafe
|
||||
.replace(/&/g, "&")
|
||||
.replace(/</g, "<")
|
||||
.replace(/>/g, ">")
|
||||
.replace(/"/g, """)
|
||||
.replace(/'/g, "'");
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs messages to console.
|
||||
*/
|
||||
log(message) {
|
||||
console.log(message);
|
||||
}
|
||||
|
||||
/**
|
||||
* Plays a video given its magnet URI.
|
||||
* This method handles the logic to initiate torrent download and play the video.
|
||||
*/
|
||||
async playVideo(magnetURI) {
|
||||
try {
|
||||
if (!magnetURI) {
|
||||
this.showError('Invalid Magnet URI.');
|
||||
return;
|
||||
}
|
||||
|
||||
// Decode the magnet URI
|
||||
const decodedMagnet = decodeURIComponent(magnetURI);
|
||||
|
||||
// Don't restart if it's the same video
|
||||
if (this.currentMagnetUri === decodedMagnet) {
|
||||
this.log('Same video requested - already playing');
|
||||
return;
|
||||
}
|
||||
|
||||
// Store current magnet URI
|
||||
this.currentMagnetUri = decodedMagnet;
|
||||
|
||||
// Show the modal first
|
||||
this.playerModal.style.display = 'flex';
|
||||
this.playerModal.classList.remove('hidden');
|
||||
|
||||
// Find the video data
|
||||
const videos = await nostrClient.fetchVideos();
|
||||
const video = videos.find(v => v.magnet === decodedMagnet);
|
||||
|
||||
if (!video) {
|
||||
this.showError('Video data not found.');
|
||||
return;
|
||||
}
|
||||
|
||||
// Fetch creator profile
|
||||
let creatorProfile = { name: 'Unknown', picture: `https://robohash.org/${video.pubkey}` };
|
||||
try {
|
||||
const userEvents = await nostrClient.pool.list(nostrClient.relays, [{
|
||||
kinds: [0],
|
||||
authors: [video.pubkey],
|
||||
limit: 1
|
||||
}]);
|
||||
|
||||
if (userEvents[0]?.content) {
|
||||
const profile = JSON.parse(userEvents[0].content);
|
||||
creatorProfile = {
|
||||
name: profile.name || profile.display_name || 'Unknown',
|
||||
picture: profile.picture || `https://robohash.org/${video.pubkey}`
|
||||
};
|
||||
}
|
||||
} catch (error) {
|
||||
this.log('Error fetching creator profile:', error);
|
||||
}
|
||||
|
||||
// Convert pubkey to npub
|
||||
let creatorNpub = 'Unknown';
|
||||
try {
|
||||
creatorNpub = window.NostrTools.nip19.npubEncode(video.pubkey);
|
||||
} catch (error) {
|
||||
this.log('Error converting pubkey to npub:', error);
|
||||
creatorNpub = video.pubkey;
|
||||
}
|
||||
|
||||
// Update video info
|
||||
this.videoTitle.textContent = video.title || 'Untitled';
|
||||
this.videoDescription.textContent = video.description || 'No description available.';
|
||||
this.videoTimestamp.textContent = this.formatTimeAgo(video.created_at);
|
||||
|
||||
// Update creator info
|
||||
this.creatorName.textContent = creatorProfile.name;
|
||||
this.creatorNpub.textContent = `${creatorNpub.slice(0, 8)}...${creatorNpub.slice(-4)}`;
|
||||
this.creatorAvatar.src = creatorProfile.picture;
|
||||
this.creatorAvatar.alt = creatorProfile.name;
|
||||
|
||||
// Start streaming
|
||||
this.log('Starting video stream:', decodedMagnet);
|
||||
await torrentClient.streamVideo(decodedMagnet, this.modalVideo);
|
||||
|
||||
// Update UI elements based on existing DOM elements that webtorrent.js updates
|
||||
const updateInterval = setInterval(() => {
|
||||
// Check if modal is still visible
|
||||
if (!document.body.contains(this.modalVideo)) {
|
||||
clearInterval(updateInterval);
|
||||
return;
|
||||
}
|
||||
|
||||
const status = document.getElementById('status');
|
||||
const progress = document.getElementById('progress');
|
||||
const peers = document.getElementById('peers');
|
||||
const speed = document.getElementById('speed');
|
||||
const downloaded = document.getElementById('downloaded');
|
||||
|
||||
if (status) this.modalStatus.textContent = status.textContent;
|
||||
if (progress) this.modalProgress.style.width = progress.style.width;
|
||||
if (peers) this.modalPeers.textContent = peers.textContent;
|
||||
if (speed) this.modalSpeed.textContent = speed.textContent;
|
||||
if (downloaded) this.modalDownloaded.textContent = downloaded.textContent;
|
||||
}, 1000);
|
||||
|
||||
} catch (error) {
|
||||
this.log('Error in playVideo:', error);
|
||||
this.showError(`Playback error: ${error.message}`);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Updates the UI with the current torrent status.
|
||||
*/
|
||||
updateTorrentStatus(torrent) {
|
||||
if (!torrent) return;
|
||||
|
||||
this.modalStatus.textContent = torrent.status;
|
||||
this.modalProgress.style.width = `${(torrent.progress * 100).toFixed(2)}%`;
|
||||
this.modalPeers.textContent = `Peers: ${torrent.numPeers}`;
|
||||
this.modalSpeed.textContent = `${(torrent.downloadSpeed / 1024).toFixed(2)} KB/s`;
|
||||
this.modalDownloaded.textContent = `${(torrent.downloaded / (1024 * 1024)).toFixed(2)} MB / ${(torrent.length / (1024 * 1024)).toFixed(2)} MB`;
|
||||
|
||||
// Update periodically
|
||||
if (torrent.ready) {
|
||||
this.modalStatus.textContent = 'Ready to play';
|
||||
} else {
|
||||
setTimeout(() => this.updateTorrentStatus(torrent), 1000);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize app
|
||||
const app = new NosTubeApp();
|
||||
app.init();
|
||||
|
||||
// Make playVideo accessible globally for the onclick handlers
|
||||
window.app = app;
|
||||
Reference in New Issue
Block a user