add web UI: search, download queue with progress, cancel
- ui/index.html, ui/styles.css, ui/scripts.js — minimal two-tab UI - Search tab: big search bar, results with size/votes, add-to-queue button - Queue tab: progress bar, speed, downloaded/total, status badges, cancel - Switches to queue tab on load if downloads are active - Backend: GET /api/search, POST /api/queue/add, GET /api/queue, POST /api/queue/cancel - Speed tracking in streamToFile, abort tracking for immediate cancel - No rounded corners, dark theme
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201
ui/scripts.js
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201
ui/scripts.js
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const API_BASE = window.location.origin;
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let queuePoll = null;
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// ── Tabs ────────────────────────────────────────────────────────────────────
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function startQueuePoll() {
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stopQueuePoll();
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queuePoll = setInterval(renderQueue, 2000);
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}
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function stopQueuePoll() {
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if (queuePoll) { clearInterval(queuePoll); queuePoll = null; }
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}
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function switchTab(name) {
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document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
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document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
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document.querySelector(`.tab[data-tab="${name}"]`).classList.add('active');
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document.getElementById('tab-' + name).classList.add('active');
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if (name === 'queue') { renderQueue(); startQueuePoll(); }
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else stopQueuePoll();
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}
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document.querySelectorAll('.tab').forEach(tab => {
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tab.addEventListener('click', () => switchTab(tab.dataset.tab));
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});
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// ── Search ──────────────────────────────────────────────────────────────────
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const searchInput = document.getElementById('searchInput');
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const searchBtn = document.getElementById('searchBtn');
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const searchResults = document.getElementById('searchResults');
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async function doSearch() {
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const q = searchInput.value.trim();
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if (!q) return;
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searchResults.innerHTML = '<div class="spinner">Searching...</div>';
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try {
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const res = await fetch(`${API_BASE}/api/search?q=${encodeURIComponent(q)}&limit=30`);
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if (!res.ok) throw new Error(await res.text());
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const data = await res.json();
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renderSearchResults(data);
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} catch (err) {
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searchResults.innerHTML = `<div class="empty">Search failed: ${err.message}</div>`;
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}
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}
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searchBtn.addEventListener('click', doSearch);
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searchInput.addEventListener('keydown', e => { if (e.key === 'Enter') doSearch(); });
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function formatSize(bytes) {
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if (!bytes) return '0 B';
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const units = ['B', 'KB', 'MB', 'GB', 'TB'];
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let i = 0;
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let size = bytes;
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while (size >= 1024 && i < units.length - 1) { size /= 1024; i++; }
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return size.toFixed(i > 0 ? 1 : 0) + ' ' + units[i];
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}
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function renderSearchResults(files) {
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if (!files || files.length === 0) {
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searchResults.innerHTML = '<div class="empty">No results found.</div>';
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return;
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}
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searchResults.innerHTML = files.map(f => {
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const added = Boolean(addedIdents[f.ident]);
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return `
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<div class="result-item">
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<div class="result-info">
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<div class="result-name">${escapeHtml(f.name)}</div>
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<div class="result-meta">${formatSize(f.size)} · votes: ${f.votes}</div>
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</div>
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<button class="${added ? 'added' : ''}" data-ident="${f.ident}" data-name="${escapeAttr(f.name)}" data-size="${f.size}">
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${added ? 'Added' : 'Add to Queue'}
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</button>
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</div>
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`;
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}).join('');
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searchResults.querySelectorAll('button:not(.added)').forEach(btn => {
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btn.addEventListener('click', async () => {
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const ident = btn.dataset.ident;
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const name = btn.dataset.name;
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const size = parseInt(btn.dataset.size);
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btn.disabled = true;
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btn.textContent = 'Adding...';
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try {
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await addDownload(ident, name, size);
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btn.classList.add('added');
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btn.textContent = 'Added';
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} catch (err) {
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btn.textContent = 'Failed';
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setTimeout(() => { btn.disabled = false; btn.textContent = 'Add to Queue'; }, 2000);
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}
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});
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});
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}
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// ── Add download via new API route ──────────────────────────────────────────
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const addedIdents = {};
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async function addDownload(ident, name, size) {
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const res = await fetch(`${API_BASE}/api/queue/add`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ ident, name, size }),
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});
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if (!res.ok) throw new Error(await res.text());
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addedIdents[ident] = true;
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}
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// ── Queue ───────────────────────────────────────────────────────────────────
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const queueList = document.getElementById('queueList');
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async function fetchQueue() {
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const res = await fetch(`${API_BASE}/api/queue`);
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if (!res.ok) throw new Error(await res.text());
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return res.json();
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}
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function renderQueue() {
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fetchQueue().then(entries => {
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if (!entries || entries.length === 0) {
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queueList.innerHTML = '<div class="empty">Queue is empty.</div>';
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return;
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}
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queueList.innerHTML = entries.map(e => {
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const pct = Math.round((e.progress || 0) * 100);
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const downloaded = formatSize(e.progress * e.size);
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const total = formatSize(e.size);
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let fillClass = '';
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if (e.state === 'uploading') fillClass = 'done';
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else if (e.state === 'error') fillClass = 'error';
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else if (e.state === 'queuedDL') fillClass = 'queued';
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return `
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<div class="queue-item">
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<div class="queue-name">
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<span class="badge ${e.state}">${e.state}</span>
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<span>${escapeHtml(e.name)}</span>
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<button class="cancel-btn" data-hash="${e.hash}">Cancel</button>
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</div>
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<div class="queue-stats">
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<span>${downloaded} / ${total}</span>
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<span>${pct}%</span>
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</div>
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<div class="queue-speed">${e.speed || ''}</div>
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<div class="progress-bar">
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<div class="progress-fill ${fillClass}" style="width:${pct}%"></div>
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</div>
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</div>
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`;
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}).join('');
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// Attach cancel handlers
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queueList.querySelectorAll('.cancel-btn').forEach(btn => {
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btn.addEventListener('click', async () => {
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const hash = btn.dataset.hash;
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btn.disabled = true;
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btn.textContent = '...';
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try {
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await fetch(`${API_BASE}/api/queue/cancel`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ hash }),
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});
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} catch {}
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renderQueue();
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});
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});
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}).catch(err => {
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queueList.innerHTML = `<div class="empty">Failed to load queue: ${err.message}</div>`;
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});
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}
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// On load, switch to queue tab if there are active downloads
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fetchQueue().then(entries => {
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if (entries && entries.length > 0) switchTab('queue');
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});
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// Stop polling when tab hidden
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document.addEventListener('visibilitychange', () => {
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if (document.hidden) stopQueuePoll();
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else {
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const active = document.querySelector('.tab.active');
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if (active && active.dataset.tab === 'queue') startQueuePoll();
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}
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});
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// ── Helpers ─────────────────────────────────────────────────────────────────
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function escapeHtml(str) {
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const d = document.createElement('div');
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d.textContent = str;
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return d.innerHTML;
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}
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function escapeAttr(str) {
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return str.replace(/"/g, '"').replace(/'/g, ''');
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}
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