Files
client/www/vj-playlist.html
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HTML

<!DOCTYPE html>
<?xml version="1.0" encoding="UTF-8"?>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8" />
<title>VJ PLAYLIST</title>
<style>
#divBody {
flex-direction: column !important;
flex-wrap: nowrap !important;
align-items: center !important;
justify-content: flex-start !important;
align-content: flex-start !important;
gap: 10px;
overflow-y: auto;
padding: 10px;
}
#divPlaylistRoot {
width: min(100%, 1000px);
display: flex;
flex-direction: column;
gap: 10px;
}
#divPlaylistControls {
border: var(--border);
border-radius: var(--border-radius);
background: var(--secondary-color);
padding: 10px;
display: flex;
flex-wrap: wrap;
gap: 8px;
align-items: center;
}
.playlistControlLabel {
font-size: 12px;
color: var(--primary-color);
text-transform: uppercase;
letter-spacing: 0.04em;
}
#selShowFilter {
min-width: 260px;
max-width: 100%;
padding: 6px 8px;
border: 1px solid var(--border-color);
border-radius: 6px;
background: transparent;
color: var(--text-color);
font-family: inherit;
font-size: 13px;
}
#divPlaylistTarget,
#divPlaylistStatus,
#divPlaylistSummary {
width: min(100%, 1000px);
color: var(--muted-color);
font-size: 12px;
}
#divPlaylistEpisodes {
width: min(100%, 1000px);
display: flex;
flex-direction: column;
gap: 10px;
margin-bottom: 12px;
}
.playlistEpisodeCard {
border: var(--border);
border-radius: var(--border-radius);
background: var(--secondary-color);
overflow: hidden;
}
.playlistEpisodeSummary {
padding: 10px;
cursor: pointer;
display: flex;
justify-content: space-between;
gap: 10px;
align-items: center;
list-style: none;
}
.playlistEpisodeSummary::-webkit-details-marker {
display: none;
}
.playlistEpisodeTitle {
color: var(--primary-color);
font-size: 14px;
font-weight: 600;
}
.playlistEpisodeMeta {
font-size: 12px;
color: var(--muted-color);
text-align: right;
white-space: nowrap;
}
.playlistEpisodeContent {
border-top: 1px solid var(--border-color);
padding: 10px;
display: flex;
flex-direction: column;
gap: 8px;
}
.playlistEpisodeDescription {
color: var(--text-color);
opacity: 0.85;
font-size: 13px;
margin: 0;
}
.playlistTrackTable {
width: 100%;
border-collapse: collapse;
font-size: 12px;
}
.playlistTrackTable th,
.playlistTrackTable td {
border-bottom: 1px solid var(--border-color);
padding: 6px;
text-align: left;
vertical-align: top;
}
.playlistTrackTable th {
color: var(--primary-color);
text-transform: uppercase;
font-size: 11px;
letter-spacing: 0.03em;
}
.playlistTrackNum,
.playlistTrackTime {
font-family: var(--font-family-mono, monospace);
white-space: nowrap;
}
.playlistEmpty {
border: var(--border);
border-radius: var(--border-radius);
background: var(--secondary-color);
color: var(--muted-color);
padding: 14px;
text-align: center;
font-size: 13px;
}
</style>
<link rel="stylesheet" href="./css/client.css" />
<!-- Initialize theme BEFORE any components load -->
<script>
(function () {
const savedTheme = localStorage.getItem('theme');
if (savedTheme === 'dark') {
document.documentElement.classList.add('dark-mode');
if (document.body) {
document.body.classList.add('dark-mode');
}
}
})();
</script>
<link rel="shortcut icon" type="image/x-icon" href="./favicon/favicon-dots2.ico" />
<!-- SVG.js library (required by HamburgerMorphing) -->
<script src="./js/vendor/svg.min.js"></script>
</head>
<body>
<!-- ================================================================
HAMBURGER BUTTON (Fixed, separate from header)
================================================================
The hamburger button is a fixed element outside the header
to ensure it stays visible above the sidenav (z-index: 10 > 3).
================================================================ -->
<div id="divSvgHam" class="divHeaderButtons">
<!-- HamburgerMorphing will be injected here -->
</div>
<!-- ================================================================
HEADER
================================================================
Standard header with title (center).
================================================================ -->
<div id="divHeader">
<div id="divHeaderFlexLeft">
<!-- Hamburger is now separate fixed element -->
</div>
<div id="divHeaderFlexCenter">
<div class="divHeaderText">VJ PLAYLISTS</div>
</div>
<div id="divHeaderFlexRight">
<!-- No button in header right - logout is in sidenav footer -->
</div>
</div>
<!-- ================================================================
BODY
================================================================
Main content area. Add your page-specific content here.
================================================================ -->
<div id="divBody">
<div id="divPlaylistRoot">
<div id="divPlaylistControls">
<span class="playlistControlLabel">Show</span>
<select id="selShowFilter" aria-label="Select show playlist">
<option value="">Loading shows…</option>
</select>
<button id="btnRefreshPlaylists" class="btn" type="button">Refresh</button>
</div>
<div id="divPlaylistTarget"></div>
<div id="divPlaylistStatus"></div>
<div id="divPlaylistSummary"></div>
<div id="divPlaylistEpisodes"></div>
</div>
</div>
<!-- ================================================================
FOOTER
================================================================
Three-section footer layout:
- Left: Relay status animations (HamburgerMorphing instances)
- Center: General status information
- Right: Additional information
================================================================ -->
<div id="divFooter">
<div id="divFooterLeft" class="divFooterBox"></div>
<div id="divFooterCenter" class="divFooterBox"></div>
<div id="divFooterRight" class="divFooterBox"></div>
<div id="divFooterBalance" class="divFooterBox">0 sats</div>
</div>
<!-- ================================================================
SIDENAV
================================================================
Slide-out navigation panel. Opens from left when hamburger clicked.
Uses flexbox layout to pin version bar to bottom.
Includes a version bar footer with theme toggle and logout buttons.
================================================================ -->
<div id="divSideNav">
<div id="divSideNavHeader">
<!-- No close button - use main hamburger to close -->
</div>
<div id="divSideNavBody">
<div id="divFiles"></div>
</div>
<div id="divAiSection" class="sidenavSection">
<div id="divAiSectionTitle" class="sidenavSectionTitle">AI</div>
<div id="divAiList" class="sidenavSectionList">
<div id="divAiProvidersList">No saved providers yet.</div>
</div>
</div>
<div id="divRelaySection">
<div id="divRelaySectionTitle">
リレー
</div>
<div id="divRelayList">
Loading relays...
</div>
</div>
<div id="divBlossomSection">
<div id="divBlossomSectionTitle">ブロッサム</div>
<div id="divBlossomList">Loading blossom servers...</div>
</div>
<div id="divVersionBar">
<span id="versionDisplay">v0.0.1</span>
<div id="divVersionBarButtons">
<button id="themeToggleButton" title="Toggle Dark/Light Mode">
<div id="themeToggleHamburgerContainer"></div>
</button>
<button id="logoutButton" title="Logout">
<div id="logoutHamburgerContainer"></div>
</button>
</div>
</div>
</div>
<!-- ================================================================
REQUIRED SCRIPTS
================================================================
These scripts must be loaded in this order:
1. nostr.bundle.js - Nostr tools library
2. nostr-lite.js - Authentication modal (nostr-login-lite)
================================================================ -->
<script src="./nostr.bundle.js"></script>
<script src="/nostr-login-lite/nostr-lite.js"></script>
<script type="module">
/* ================================================================
IMPORTS
================================================================
Import shared NDK functionality from init-ndk.mjs:
- initNDKPage() - Initialize authentication and worker
- getPubkey() - Get current user's pubkey
- subscribe() - Create NDK subscriptions
- publishEvent() - Publish events via NDK
- disconnect() - Disconnect from worker
- getRelayData() - Get relay connection data
- getRelayStats() - Get relay activity statistics
Import HamburgerMorphing for animated icons
================================================================ */
import {
initNDKPage,
getPubkey, injectHeaderAvatar,
subscribe,
publishEvent,
disconnect,
getVersion,
updateVersionDisplay,
queryCache,
ndkFetchEvents,
getUserSettings,
patchUserSettings,
onUserSettings
} from './js/init-ndk.mjs';
import { HamburgerMorphing } from "./hamburger_morphing/hamburger.mjs";
import { initFooterRelayStatus, updateFooterRelayStatus, initSidenavRelaySection, updateSidenavRelaySection, setRelayActivityState } from './js/relay-ui.mjs';
import { initBlossomSection, updateBlossomSection } from './js/blossom-ui.mjs';
import { initAiSectionWithLocalConfig } from './js/ai-ui.mjs';
// Version will be loaded asynchronously
const versionInfo = await getVersion();
const VERSION = versionInfo.VERSION;
console.log(`[template.html ${VERSION}] Loading...`);
/* ================================================================
GLOBAL VARIABLES
================================================================
Track state for hamburger menu, relay status, and theme.
================================================================ */
let updateIntervalId = null;
let currentPubkey = null;
/*
AUTH STATE MODEL (Template reference)
------------------------------------------------------------------
This template now demonstrates three auth modes for standalone pages:
- required (default):
Behaves like existing pages: login is required immediately.
- optional:
Page can render public/read-only data without login, but can still
prompt login later for user actions (publish, settings, etc).
- none:
Never auto-login on load (pure public page).
URL behavior in this template:
- If ?auth=required|optional|none is present, it wins.
- Otherwise, if URL includes ?npub=... or ?pubkey=..., mode defaults
to optional because pages with explicit profile targets are commonly
public-readable.
- Otherwise, mode defaults to required.
*/
let isAuthenticated = false;
let authMode = 'required';
let authedPageInitialized = false;
let relayActivityListenersBound = false;
// Hamburger menu
let hamburgerInstance = null;
let isNavOpen = false;
// Version bar buttons
let logoutHamburger = null;
let themeToggleHamburger = null;
let isDarkMode = false;
// App-wide user settings (NIP-78 kind 30078, d:user-settings)
let pageSettings = {};
let unsubscribeUserSettings = null;
/* ================================================================
DOM VARIABLES
================================================================
Cache DOM element references for better performance.
================================================================ */
const divBody = document.getElementById("divBody");
const divSideNav = document.getElementById("divSideNav");
const divSideNavBody = document.getElementById("divSideNavBody");
const divFooterCenter = document.getElementById("divFooterCenter");
const divFooterRight = document.getElementById("divFooterRight");
const selShowFilter = document.getElementById('selShowFilter');
const btnRefreshPlaylists = document.getElementById('btnRefreshPlaylists');
const divPlaylistTarget = document.getElementById('divPlaylistTarget');
const divPlaylistStatus = document.getElementById('divPlaylistStatus');
const divPlaylistSummary = document.getElementById('divPlaylistSummary');
const divPlaylistEpisodes = document.getElementById('divPlaylistEpisodes');
const STREAM_KIND = 30311;
const PLAYLIST_KIND = 30078;
const PLAYLIST_FETCH_LIMIT = 300;
let targetPubkey = '';
let selectedShowSlug = '';
let latestShowEventsBySlug = new Map();
/* ================================================================
HAMBURGER MENU
================================================================
Initialize and control the animated hamburger menu.
================================================================ */
function initHamburgerMenu() {
hamburgerInstance = new HamburgerMorphing('#divSvgHam', {
foreground: 'var(--primary-color)',
background: 'var(--secondary-color)',
hover: 'var(--accent-color)'
});
hamburgerInstance.animateTo('burger');
}
/* ================================================================
SIDENAV FUNCTIONS
================================================================
Open/close sidenav with hamburger morphing animation.
================================================================ */
function openNav() {
divSideNav.style.zIndex = 3;
divSideNav.style.width = "clamp(400px, 50vw, 600px)";
isNavOpen = true;
if (hamburgerInstance) {
hamburgerInstance.animateTo('arrow_left');
}
// Initialize version bar buttons when sidenav opens (lazy load)
if (!logoutHamburger) {
logoutHamburger = new HamburgerMorphing('#logoutHamburgerContainer', {
size: 24,
foreground: 'var(--primary-color)',
background: 'var(--secondary-color)',
hover: 'var(--accent-color)'
});
logoutHamburger.animateTo('x');
}
if (!themeToggleHamburger) {
themeToggleHamburger = new HamburgerMorphing('#themeToggleHamburgerContainer', {
size: 24,
foreground: 'var(--primary-color)',
background: 'var(--secondary-color)',
hover: 'var(--accent-color)'
});
// Determine current theme
const savedTheme = localStorage.getItem('theme');
isDarkMode = savedTheme === 'dark' || document.body.classList.contains('dark-mode');
const initialShape = isDarkMode ? 'moon' : 'circle';
themeToggleHamburger.animateTo(initialShape);
}
}
function closeNav() {
divSideNav.style.width = "0vw";
divSideNav.style.zIndex = -1;
isNavOpen = false;
if (hamburgerInstance) {
hamburgerInstance.animateTo('burger');
}
}
function toggleNav() {
if (isNavOpen) {
closeNav();
} else {
openNav();
}
}
/* ================================================================
AUTH MODE HELPERS
================================================================
These functions are meant as reusable guidance for future pages.
================================================================ */
function hasTargetPubkeyInUrl() {
const params = new URLSearchParams(window.location.search || '');
const npub = String(params.get('npub') || '').trim();
const pubkey = String(params.get('pubkey') || '').trim();
return Boolean(npub || pubkey);
}
function resolveAuthModeFromUrl() {
const params = new URLSearchParams(window.location.search || '');
const explicitAuth = String(params.get('auth') || '').trim().toLowerCase();
if (explicitAuth === 'required' || explicitAuth === 'optional' || explicitAuth === 'none') {
return explicitAuth;
}
// Convention: explicit target profiles are public-readable by default.
if (hasTargetPubkeyInUrl()) {
return 'optional';
}
return 'required';
}
function isAuthRequiredError(error) {
const message = String(error?.message || error || '').toLowerCase();
return message.includes('authentication required');
}
async function initializeAuthentication(mode) {
// required: existing behavior, throw if auth fails.
if (mode === 'required') {
await initNDKPage();
currentPubkey = await getPubkey();
isAuthenticated = true;
return;
}
// none: public page, no login attempt on load.
if (mode === 'none') {
isAuthenticated = false;
currentPubkey = null;
return;
}
// optional: try silent/normal init; if auth required, continue public.
try {
await initNDKPage();
currentPubkey = await getPubkey();
isAuthenticated = true;
} catch (error) {
if (isAuthRequiredError(error)) {
console.log('[template.html] Optional auth mode: continuing unauthenticated');
isAuthenticated = false;
currentPubkey = null;
return;
}
throw error;
}
}
async function initializeAuthenticatedPageFeatures() {
if (!isAuthenticated || authedPageInitialized) return;
await injectHeaderAvatar(currentPubkey);
console.log('[template.html] Authenticated as:', currentPubkey);
// Hydrate app-wide user settings for this page
try {
pageSettings = await getUserSettings();
} catch (error) {
console.warn('[template.html] getUserSettings failed:', error);
pageSettings = {};
}
// Subscribe to live user settings updates (cross-tab + publish echoes)
if (!unsubscribeUserSettings) {
unsubscribeUserSettings = onUserSettings((settings) => {
pageSettings = settings || {};
// TODO: Re-render page-specific UI from pageSettings here.
});
}
// Initialize relay-dependent UI only once authenticated.
initFooterRelayStatus();
initSidenavRelaySection();
await initBlossomSection();
initAiSectionWithLocalConfig();
await UpdateFooter();
if (!updateIntervalId) {
updateIntervalId = setInterval(UpdateFooter, 1000);
}
// Relay activity listeners only matter after worker init/auth.
if (!relayActivityListenersBound) {
window.addEventListener('ndkRelayActivity', (event) => {
const { relayUrl, activity, stats } = event.detail;
console.log(`[template.html] Relay activity: ${relayUrl} - ${activity}`, stats);
setRelayActivityState(relayUrl, activity);
});
window.addEventListener('message', (event) => {
if (event.data && event.data.type === 'relayActivity') {
const { relayUrl, activity } = event.data;
console.log(`[template.html] Relay activity: ${relayUrl} - ${activity}`);
setRelayActivityState(relayUrl, activity);
}
});
relayActivityListenersBound = true;
}
authedPageInitialized = true;
}
async function promptLoginIfNeeded() {
if (isAuthenticated) return true;
await initNDKPage();
currentPubkey = await getPubkey();
isAuthenticated = true;
await initializeAuthenticatedPageFeatures();
await initializePlaylistPage();
return true;
}
function getTagValue(evt, tagName) {
const tags = Array.isArray(evt?.tags) ? evt.tags : [];
const found = tags.find((t) => t && t[0] === tagName);
return found ? String(found[1] || '').trim() : '';
}
function getTagValues(evt, tagName) {
const tags = Array.isArray(evt?.tags) ? evt.tags : [];
return tags
.filter((t) => t && t[0] === tagName)
.map((t) => t.slice(1).map((v) => String(v ?? '').trim()));
}
function decodeNpubToHex(npub) {
try {
const decoded = window?.NostrTools?.nip19?.decode?.(npub);
if (decoded?.type === 'npub' && typeof decoded?.data === 'string') {
return decoded.data;
}
} catch (error) {
console.warn('[vj-playlist.html] Failed to decode npub:', error);
}
return '';
}
function resolveTargetPubkeyFromUrl() {
const params = new URLSearchParams(window.location.search || '');
const explicitPubkey = String(params.get('pubkey') || '').trim();
if (explicitPubkey) return explicitPubkey;
const npub = String(params.get('npub') || '').trim();
if (npub) return decodeNpubToHex(npub);
return '';
}
function getAddressableKey(evt) {
const kind = Number(evt?.kind) || 0;
const pubkey = String(evt?.pubkey || '').trim();
const dTag = getTagValue(evt, 'd');
if (!kind || !pubkey || !dTag) return '';
return `${kind}:${pubkey}:${dTag}`;
}
function dedupeAddressableEvents(events) {
const latestByKey = new Map();
(Array.isArray(events) ? events : []).forEach((evt) => {
if (!evt) return;
const key = getAddressableKey(evt) || String(evt.id || '');
if (!key) return;
const existing = latestByKey.get(key);
const evtCreated = Number(evt.created_at) || 0;
const existingCreated = Number(existing?.created_at) || 0;
if (!existing || evtCreated >= existingCreated) {
latestByKey.set(key, evt);
}
});
return Array.from(latestByKey.values());
}
async function fetchEventsWithCache(filters) {
const [cached, fresh] = await Promise.all([
queryCache(filters).catch(() => []),
ndkFetchEvents(filters).catch(() => []),
]);
return dedupeAddressableEvents([
...(Array.isArray(cached) ? cached : []),
...(Array.isArray(fresh) ? fresh : []),
]);
}
function deriveShowSlugFromPlaylistEvent(evt) {
const explicit = getTagValue(evt, 'show');
if (explicit) return explicit;
const dTag = getTagValue(evt, 'd');
const match = dTag.match(/^show-playlist:([^:]+):/i);
return match ? String(match[1] || '').trim() : '';
}
function formatEpisodeId(episodeId) {
const raw = String(episodeId || '').trim();
const n = Number(raw);
if (!Number.isFinite(n) || n <= 0) return raw || 'Unknown episode';
const iso = new Date(n * 1000);
if (Number.isNaN(iso.getTime())) return raw;
return `${iso.toLocaleString()} (${raw})`;
}
function parseTrackTags(evt) {
const tracks = getTagValues(evt, 'track').map((parts) => ({
trackNumber: parts[0] || '',
artist: parts[1] || '',
title: parts[2] || '',
nostrRef: parts[3] || '',
isoTime: parts[4] || '',
}));
tracks.sort((a, b) => String(a.trackNumber).localeCompare(String(b.trackNumber)));
return tracks;
}
function parsePeakViewers(evt) {
const snapshots = getTagValues(evt, 'viewers');
let peak = 0;
snapshots.forEach((parts) => {
const total = Number(parts[1] || 0);
if (Number.isFinite(total) && total > peak) peak = total;
});
return peak;
}
function renderPlaylistEpisodes(playlistEvents) {
const events = Array.isArray(playlistEvents) ? playlistEvents : [];
divPlaylistEpisodes.innerHTML = '';
if (!events.length) {
divPlaylistEpisodes.innerHTML = '<div class="playlistEmpty">No playlists found for this show yet.</div>';
divPlaylistSummary.textContent = '0 episodes';
divFooterRight.textContent = '0 tracks';
return;
}
const cards = events.map((evt) => {
const episodeId = getTagValue(evt, 'episode') || 'unknown';
const status = getTagValue(evt, 'status') || 'unknown';
const episodeDescription = getTagValue(evt, 'episode_description');
const tracks = parseTrackTags(evt);
const peakViewers = parsePeakViewers(evt);
const createdAt = Number(evt.created_at) || 0;
return {
evt,
episodeId,
status,
episodeDescription,
tracks,
peakViewers,
createdAt,
};
}).sort((a, b) => b.createdAt - a.createdAt);
const totalTracks = cards.reduce((sum, card) => sum + card.tracks.length, 0);
divPlaylistSummary.textContent = `${cards.length} episode${cards.length === 1 ? '' : 's'}${totalTracks} track${totalTracks === 1 ? '' : 's'}`;
divFooterRight.textContent = `${totalTracks} tracks`;
cards.forEach((card, index) => {
const details = document.createElement('details');
details.className = 'playlistEpisodeCard';
details.open = index === 0;
const summary = document.createElement('summary');
summary.className = 'playlistEpisodeSummary';
summary.innerHTML = `
<div>
<div class="playlistEpisodeTitle">Episode ${formatEpisodeId(card.episodeId)}</div>
<div class="playlistEpisodeMeta">Status: ${card.status}</div>
</div>
<div class="playlistEpisodeMeta">${card.tracks.length} tracks${card.peakViewers > 0 ? ` • peak ${card.peakViewers} viewers` : ''}</div>
`;
details.appendChild(summary);
const content = document.createElement('div');
content.className = 'playlistEpisodeContent';
if (card.episodeDescription) {
const description = document.createElement('p');
description.className = 'playlistEpisodeDescription';
description.textContent = card.episodeDescription;
content.appendChild(description);
}
if (!card.tracks.length) {
const empty = document.createElement('div');
empty.className = 'playlistEmpty';
empty.textContent = 'No track tags found in this playlist event.';
content.appendChild(empty);
} else {
const table = document.createElement('table');
table.className = 'playlistTrackTable';
table.innerHTML = `
<thead>
<tr>
<th>#</th>
<th>Artist</th>
<th>Title</th>
<th>Time</th>
</tr>
</thead>
<tbody></tbody>
`;
const tbody = table.querySelector('tbody');
card.tracks.forEach((track) => {
const tr = document.createElement('tr');
const timeLabel = track.isoTime ? new Date(track.isoTime).toLocaleTimeString() : '';
tr.innerHTML = `
<td class="playlistTrackNum">${track.trackNumber || ''}</td>
<td>${track.artist || ''}</td>
<td>${track.title || ''}</td>
<td class="playlistTrackTime">${timeLabel}</td>
`;
tbody.appendChild(tr);
});
content.appendChild(table);
}
details.appendChild(content);
divPlaylistEpisodes.appendChild(details);
});
}
function renderShows(shows, preferredShow) {
if (!selShowFilter) return;
const options = Array.isArray(shows) ? shows : [];
selShowFilter.innerHTML = '';
if (!options.length) {
const option = document.createElement('option');
option.value = '';
option.textContent = 'No shows found';
selShowFilter.appendChild(option);
selShowFilter.disabled = true;
selectedShowSlug = '';
return;
}
selShowFilter.disabled = false;
options.forEach((show) => {
const opt = document.createElement('option');
opt.value = show.slug;
opt.textContent = show.title ? `${show.title} (${show.slug})` : show.slug;
selShowFilter.appendChild(opt);
});
const candidate = options.some((s) => s.slug === preferredShow)
? preferredShow
: options[0].slug;
selectedShowSlug = candidate;
selShowFilter.value = candidate;
}
async function loadPlaylistsForShow(showSlug) {
if (!targetPubkey || !showSlug) {
renderPlaylistEpisodes([]);
return;
}
divPlaylistStatus.textContent = `Loading playlists for ${showSlug}…`;
const filters = {
kinds: [PLAYLIST_KIND],
authors: [targetPubkey],
'#show': [showSlug],
limit: PLAYLIST_FETCH_LIMIT,
};
const playlistEvents = await fetchEventsWithCache(filters);
const filtered = playlistEvents.filter((evt) => {
const slug = deriveShowSlugFromPlaylistEvent(evt);
return slug === showSlug;
});
renderPlaylistEpisodes(filtered);
divPlaylistStatus.textContent = `Loaded ${filtered.length} playlist event${filtered.length === 1 ? '' : 's'} for ${showSlug}.`;
}
async function discoverShows() {
if (!targetPubkey) {
renderShows([], '');
divPlaylistStatus.textContent = 'Sign in or provide ?npub=... to view playlists.';
divPlaylistEpisodes.innerHTML = '<div class="playlistEmpty">No target pubkey selected.</div>';
divPlaylistSummary.textContent = '';
return;
}
divPlaylistStatus.textContent = 'Loading shows…';
const showFilters = {
kinds: [STREAM_KIND],
authors: [targetPubkey],
limit: PLAYLIST_FETCH_LIMIT,
};
const playlistFilters = {
kinds: [PLAYLIST_KIND],
authors: [targetPubkey],
limit: PLAYLIST_FETCH_LIMIT,
};
const [showEvents, playlistEvents] = await Promise.all([
fetchEventsWithCache(showFilters),
fetchEventsWithCache(playlistFilters),
]);
latestShowEventsBySlug = new Map();
showEvents.forEach((evt) => {
const slug = getTagValue(evt, 'd');
if (!slug) return;
const prev = latestShowEventsBySlug.get(slug);
const evtCreated = Number(evt.created_at) || 0;
const prevCreated = Number(prev?.created_at) || 0;
if (!prev || evtCreated >= prevCreated) {
latestShowEventsBySlug.set(slug, evt);
}
});
playlistEvents.forEach((evt) => {
const slug = deriveShowSlugFromPlaylistEvent(evt);
if (!slug || latestShowEventsBySlug.has(slug)) return;
latestShowEventsBySlug.set(slug, null);
});
const shows = Array.from(latestShowEventsBySlug.entries())
.map(([slug, evt]) => ({
slug,
title: getTagValue(evt, 'title') || slug,
}))
.sort((a, b) => a.title.localeCompare(b.title));
const urlShow = String(new URLSearchParams(window.location.search || '').get('show') || '').trim();
renderShows(shows, urlShow || selectedShowSlug);
if (!selectedShowSlug) {
divPlaylistEpisodes.innerHTML = '<div class="playlistEmpty">No playlists found yet.</div>';
divPlaylistStatus.textContent = 'No shows discovered for this pubkey.';
divPlaylistSummary.textContent = '0 episodes';
divFooterRight.textContent = '0 tracks';
return;
}
await loadPlaylistsForShow(selectedShowSlug);
}
async function initializePlaylistPage() {
const urlPubkey = resolveTargetPubkeyFromUrl();
targetPubkey = urlPubkey || (isAuthenticated ? currentPubkey : '');
if (divPlaylistTarget) {
if (targetPubkey) {
divPlaylistTarget.textContent = `Target pubkey: ${targetPubkey}`;
} else {
divPlaylistTarget.textContent = 'Target pubkey: not set';
}
}
await discoverShows();
}
/* ================================================================
UPDATE FOOTER
================================================================
Update footer sections with relay status, pubkey, and other info.
Called periodically by update loop.
================================================================ */
const UpdateFooter = async () => {
try {
// Update relay status visuals in footer and sidenav
await updateFooterRelayStatus();
await updateSidenavRelaySection();
await updateBlossomSection();
// Clear center and right sections
divFooterCenter.innerHTML = '';
divFooterRight.innerHTML = '';
} catch (error) {
console.error('[template.html] Error updating footer:', error);
}
};
/* ================================================================
LOGOUT
================================================================
Complete logout process:
1. Stop update loop
2. Disconnect from NDK worker
3. Logout from nostr-login-lite
4. Clear all storage (localStorage, sessionStorage, IndexedDB)
5. Reload page
================================================================ */
const Logout = async () => {
console.log("[template.html] Starting logout process...");
// Stop the update loop
if (updateIntervalId) {
clearInterval(updateIntervalId);
updateIntervalId = null;
}
// Disconnect from worker
disconnect();
// Logout from nostr-login-lite
if (window.NOSTR_LOGIN_LITE && window.NOSTR_LOGIN_LITE.logout) {
await window.NOSTR_LOGIN_LITE.logout();
}
// Clear all storage
localStorage.clear();
sessionStorage.clear();
// Clear IndexedDB
if (window.indexedDB) {
const databases = await window.indexedDB.databases();
for (const db of databases) {
if (db.name) {
window.indexedDB.deleteDatabase(db.name);
}
}
}
console.log("[template.html] Logged out, reloading page");
location.reload(true);
};
/* ================================================================
EVENT LISTENERS
================================================================
Wire up UI interactions.
Main hamburger button click handler is set up in main() after initialization.
================================================================ */
/* ================================================================
SUBSCRIPTION EXAMPLE
================================================================
Example of how to subscribe to Nostr events:
const sub = subscribe(
{ kinds: [1], authors: [pubkey], limit: 10 },
{ closeOnEose: false, cacheUsage: 'CACHE_FIRST' }
);
Cache usage options:
- 'CACHE_FIRST' - Check cache first, then relays
- 'ONLY_RELAY' - Only query relays
- 'ONLY_CACHE' - Only query cache
- 'PARALLEL' - Query cache and relays simultaneously
Listen for events via window events:
window.addEventListener('ndkEvent', (event) => {
const evt = event.detail;
console.log('Received event:', evt);
});
================================================================ */
/* ================================================================
PUBLISH EXAMPLE
================================================================
Example of how to publish a Nostr event:
const event = {
created_at: Math.floor(Date.now() / 1000),
kind: 1,
tags: [],
content: "Hello, Nostr!"
};
try {
const result = await publishEvent(event);
console.log("✅ Published to:", result.relayResults.successful);
console.log("❌ Failed:", result.relayResults.failed);
console.log("Total relays:", result.totalRelays);
} catch (error) {
console.error("Publish error:", error);
}
Note: Events are automatically signed by the NDK worker using
the message-based signer (which calls window.nostr.signEvent).
================================================================ */
/* ================================================================
USER SETTINGS EXAMPLE (NIP-78)
================================================================
Read/subscribe/write helper pattern for all pages:
// Read latest merged settings (cache + relay hydrated by worker)
const settings = await getUserSettings();
// Subscribe to cross-tab updates
const unsubscribe = onUserSettings((nextSettings) => {
// Re-render page from nextSettings
});
// Patch only your feature namespace
await patchUserSettings({
myFeature: {
someFlag: true
}
});
// On page teardown (if applicable)
// unsubscribe();
================================================================ */
/* ================================================================
INITIALIZATION
================================================================
Main initialization sequence:
1. Initialize hamburger menu
2. Set up hamburger click handler
3. Resolve auth mode from URL/query policy
4. Initialize authentication based on mode
5. Initialize authenticated-only features (if signed in)
6. Set up version bar button listeners
7. Restore sidenav state
8. Update version display
Notes:
- required mode = existing behavior (prompt login on load)
- optional mode = allow public load, login later on demand
- none mode = no auto-login on load
================================================================ */
(async function main() {
console.log("[template.html] Starting initialization...");
try {
// Initialize hamburger menu first
initHamburgerMenu();
// Add click handler to hamburger
const divSvgHam = document.getElementById('divSvgHam');
if (divSvgHam) {
divSvgHam.addEventListener('click', toggleNav);
}
// Initialize version bar buttons
const themeToggleButton = document.getElementById('themeToggleButton');
const logoutButton = document.getElementById('logoutButton');
if (themeToggleButton) {
themeToggleButton.addEventListener('click', () => {
isDarkMode = !isDarkMode;
localStorage.setItem('theme', isDarkMode ? 'dark' : 'light');
document.documentElement.classList.toggle('dark-mode', isDarkMode);
document.body.classList.toggle('dark-mode', isDarkMode);
if (themeToggleHamburger) {
themeToggleHamburger.animateTo(isDarkMode ? 'moon' : 'circle');
}
});
}
if (logoutButton) {
logoutButton.addEventListener('click', async () => {
try {
// In optional/none modes this doubles as a "Sign in" entry point.
if (!isAuthenticated) {
await promptLoginIfNeeded();
return;
}
await Logout();
} catch (error) {
console.error('Logout/login action failed:', error);
}
});
}
if (selShowFilter) {
selShowFilter.addEventListener('change', async (event) => {
selectedShowSlug = String(event?.target?.value || '').trim();
await loadPlaylistsForShow(selectedShowSlug);
});
}
if (btnRefreshPlaylists) {
btnRefreshPlaylists.addEventListener('click', async () => {
await initializePlaylistPage();
});
}
// Resolve and initialize page auth policy.
authMode = resolveAuthModeFromUrl();
console.log('[template.html] Resolved auth mode:', authMode);
await initializeAuthentication(authMode);
// Initialize authenticated features only when signed in.
await initializeAuthenticatedPageFeatures();
await initializePlaylistPage();
/* ============================================================
EXAMPLE: Subscribe to events
============================================================
Uncomment to subscribe to user's notes:
const notesSub = subscribe(
{ kinds: [1], authors: [currentPubkey], limit: 10 },
{ closeOnEose: false, cacheUsage: 'CACHE_FIRST' }
);
console.log("[template.html] Subscribed to kind 1");
============================================================ */
/* ============================================================
EXAMPLE: Listen for events from worker
============================================================
Uncomment to handle incoming events:
window.addEventListener('ndkEvent', (event) => {
const evt = event.detail;
console.log("[template.html] Received event:", evt.kind, evt.pubkey);
if (evt.pubkey === currentPubkey) {
if (evt.kind === 1) {
// Handle note event
console.log("Note:", evt.content);
}
}
});
============================================================ */
/* ============================================================
EXAMPLE: Listen for cached profile
============================================================
Uncomment to handle cached profile data:
window.addEventListener('ndkProfile', (event) => {
console.log("[template.html] Cached profile:", event.detail);
// event.detail contains profile object (name, about, etc.)
});
============================================================ */
// Optional UX note for public mode pages.
if (!isAuthenticated && (authMode === 'optional' || authMode === 'none')) {
divFooterCenter.textContent = 'Public mode';
divFooterRight.textContent = 'Sign in from side menu for private features';
}
// Update version display
await updateVersionDisplay();
console.log('[template.html] Initialization complete');
} catch (error) {
console.error('[template.html] Initialization failed:', error);
divBody.innerHTML = `<div style="text-align: center; padding: 50px;">
<div style="font-size: 24px; margin-bottom: 20px; color: red;">❌ Authentication Error</div>
<div style="font-size: 16px; color: #666;">${error.message}</div>
<div style="margin-top: 20px;">
<button onclick="location.reload()" style="padding: 10px 20px; font-size: 16px;">Retry</button>
</div>
</div>`;
}
})();
/* ================================================================
WORKER MESSAGE TYPES
================================================================
The NDK worker can send these message types:
1. 'response' - Response to init/subscribe/publish requests
- data.profile - User profile (from init)
- data.relays - User relays (from init)
- data.success - Publish success status
- data.relayResults - Relay publish results
2. 'event' - Nostr event from subscription
- Dispatched as 'ndkEvent' window event
- event.detail contains the Nostr event
3. 'eose' - End of stored events for subscription
- Dispatched as 'ndkEose' window event
- event.detail.subId contains subscription ID
4. 'signRequest' - Request to sign event/encrypt/decrypt
- Handled automatically by init-ndk.mjs
- Calls window.nostr methods and sends response
5. 'error' - Error from worker
- Logged to console automatically
6. 'relayActivity' - Relay read/write activity notification
- Dispatched as 'ndkRelayActivity' window event
- Used to animate relay status icons in footer
================================================================ */
/* ================================================================
DISTRIBUTED ARCHITECTURE NOTES
================================================================
Each page is independently accessible and self-contained:
1. Authentication persists via nostr-login-lite localStorage
- Login once on any page
- All other pages automatically authenticated
2. NDK SharedWorker is shared across all tabs/pages
- Single NDK instance manages all connections
- Subscriptions from all pages handled by one worker
- Events broadcast to all connected pages
3. Dexie cache is shared across all pages
- IndexedDB persists across sessions
- Cache-first queries are fast
- Reduces relay load
4. User settings are centralized and shared
- Worker hydrates kind 30078 (`d:user-settings`) on init
- Pages read via getUserSettings()
- Pages patch via patchUserSettings({ featureNamespace: ... })
- Pages subscribe via onUserSettings() for live updates
5. Each page can be distributed independently
- Copy template.html and customize
- No dependencies on other pages
- Works standalone or as part of suite
6. Message-based signer bridges worker and page
- Worker's NDK uses MessageBasedSigner
- Signer sends sign requests to page
- Page calls window.nostr.signEvent()
- Response sent back to worker
- NDK completes signing and publishing
7. Relay status visualization
- Footer left section shows connected relays
- Each relay has animated icon (HamburgerMorphing)
- Icons morph based on activity (read/write)
- Temporary animations show real-time activity
================================================================ */
</script>
</body>
</html>