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eadc242173
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FastAPI backend + HTML/JS frontend pour parcourir et télécharger les concerts Arte Concert. Cache 6h, recherche live, historique SQLite, suivi de progression SSE, design sombre Playfair Display + Inter. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
365 lines
13 KiB
JavaScript
365 lines
13 KiB
JavaScript
'use strict';
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// ── State ────────────────────────────────────────────────────────────────────
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const state = {
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page: 1,
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search: '',
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pageSize: 24,
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totalPages: 1,
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current: null, // concert object shown in modal
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activeDls: {}, // dl_id → { title, state, progress }
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downloadedUrls: new Set(),
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};
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// ── DOM refs ─────────────────────────────────────────────────────────────────
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const $ = id => document.getElementById(id);
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const grid = $('grid');
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const pagination = $('pagination');
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const statusText = $('status-text');
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const searchInput = $('search');
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const modalOverlay = $('modal-overlay');
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const dlPanel = $('dl-panel');
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const dlPanelBody = $('dl-panel-body');
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const dlBadge = $('dl-badge');
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// ── Helpers ──────────────────────────────────────────────────────────────────
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function fmtDuration(secs) {
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if (!secs) return '';
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const h = Math.floor(secs / 3600);
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const m = Math.floor((secs % 3600) / 60);
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const s = Math.floor(secs % 60);
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return h
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? `${h}h ${String(m).padStart(2,'0')}min`
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: `${m}min ${String(s).padStart(2,'0')}s`;
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}
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function fmtDate(raw) {
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if (!raw || raw.length < 8) return '';
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const y = raw.slice(0, 4), mo = raw.slice(4, 6), d = raw.slice(6, 8);
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return new Date(`${y}-${mo}-${d}`).toLocaleDateString('fr-FR', {
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day: 'numeric', month: 'long', year: 'numeric'
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});
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}
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function debounce(fn, ms) {
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let t; return (...a) => { clearTimeout(t); t = setTimeout(() => fn(...a), ms); };
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}
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// ── Concerts ─────────────────────────────────────────────────────────────────
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async function loadConcerts() {
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const params = new URLSearchParams({
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page: state.page,
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search: state.search,
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page_size: state.pageSize,
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});
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const res = await fetch(`/api/concerts?${params}`);
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if (!res.ok) throw new Error(res.statusText);
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return res.json();
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}
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function renderSkeletons() {
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grid.innerHTML = Array(8).fill('<div class="skeleton"></div>').join('');
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}
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function renderConcerts(data) {
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const { concerts, total, pages } = data;
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state.totalPages = pages;
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if (!concerts.length) {
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grid.innerHTML = '<p style="color:var(--text-muted);grid-column:1/-1;padding:40px 0">Aucun résultat.</p>';
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pagination.hidden = true;
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statusText.textContent = 'Aucun résultat.';
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return;
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}
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statusText.textContent = `${total} concert${total > 1 ? 's' : ''} · page ${state.page} / ${pages}`;
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grid.innerHTML = concerts.map(c => {
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const thumb = c.thumbnail
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? `<img class="card-thumb" src="${c.thumbnail}" alt="" loading="lazy" />`
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: `<div class="card-thumb" style="background:#1a1a1a"></div>`;
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const dur = c.duration ? `<span class="card-duration">${fmtDuration(c.duration)}</span>` : '';
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const dl = state.downloadedUrls.has(c.url) ? `<span class="card-downloaded">✓ Téléchargé</span>` : '';
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const date = fmtDate(c.upload_date);
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return `
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<div class="card" data-id="${c.id}" tabindex="0" role="button" aria-label="${c.title}">
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<div class="card-thumb-wrap">
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${thumb}${dur}${dl}
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</div>
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<div class="card-info">
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<div class="card-title">${c.title}</div>
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${date ? `<div class="card-date">${date}</div>` : ''}
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</div>
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</div>`;
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}).join('');
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// store concerts for modal access
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grid._concerts = concerts;
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renderPagination(pages);
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}
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async function refresh() {
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renderSkeletons();
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pagination.hidden = true;
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statusText.textContent = 'Chargement…';
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try {
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const data = await loadConcerts();
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renderConcerts(data);
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} catch (e) {
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statusText.textContent = `Erreur : ${e.message}`;
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grid.innerHTML = '';
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}
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}
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// ── Pagination ───────────────────────────────────────────────────────────────
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function renderPagination(pages) {
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if (pages <= 1) { pagination.hidden = true; return; }
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pagination.hidden = false;
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const p = state.page;
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let btns = '';
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btns += `<button class="page-btn" data-p="${p-1}" ${p===1?'disabled':''}>‹</button>`;
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const range = [...new Set([1, p-1, p, p+1, pages])].filter(n => n>=1 && n<=pages).sort((a,b)=>a-b);
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let prev = null;
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for (const n of range) {
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if (prev && n - prev > 1) btns += `<span style="color:var(--text-muted);padding:0 4px">…</span>`;
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btns += `<button class="page-btn ${n===p?'active':''}" data-p="${n}">${n}</button>`;
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prev = n;
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}
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btns += `<button class="page-btn" data-p="${p+1}" ${p===pages?'disabled':''}>›</button>`;
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pagination.innerHTML = btns;
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}
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pagination.addEventListener('click', e => {
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const btn = e.target.closest('[data-p]');
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if (!btn || btn.disabled) return;
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const p = +btn.dataset.p;
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if (p < 1 || p > state.totalPages) return;
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state.page = p;
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window.scrollTo({ top: 0, behavior: 'smooth' });
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refresh();
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});
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// ── Modal ────────────────────────────────────────────────────────────────────
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function openModal(concert) {
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state.current = concert;
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$('modal-thumb').src = concert.thumbnail || '';
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$('modal-title').textContent = concert.title;
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$('modal-meta').textContent = [
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concert.duration ? fmtDuration(concert.duration) : '',
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concert.upload_date ? fmtDate(concert.upload_date) : '',
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].filter(Boolean).join(' · ');
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$('modal-desc').textContent = concert.description || '';
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$('modal-dur-badge').textContent = concert.duration ? fmtDuration(concert.duration) : '';
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$('btn-watch').href = concert.url || '#';
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const btnDl = $('btn-download');
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const alreadyDone = state.downloadedUrls.has(concert.url);
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btnDl.textContent = alreadyDone ? '✓ Déjà téléchargé' : 'Télécharger';
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btnDl.prepend((() => {
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const s = document.createElementNS('http://www.w3.org/2000/svg','svg');
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s.setAttribute('viewBox','0 0 20 20'); s.setAttribute('fill','none');
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s.setAttribute('width','16'); s.setAttribute('height','16');
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if (!alreadyDone) {
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s.innerHTML = `<path d="M10 3v9M7 9l3 3 3-3" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"/>
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<path d="M4 15h12" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"/>`;
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}
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return s;
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})());
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btnDl.disabled = alreadyDone;
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$('dl-progress-wrap').hidden = true;
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$('dl-progress-fill').style.width = '0%';
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$('dl-progress-label').textContent = '0%';
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modalOverlay.hidden = false;
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document.body.style.overflow = 'hidden';
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}
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function closeModal() {
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modalOverlay.hidden = true;
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document.body.style.overflow = '';
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state.current = null;
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}
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$('modal-close').addEventListener('click', closeModal);
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modalOverlay.addEventListener('click', e => { if (e.target === modalOverlay) closeModal(); });
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document.addEventListener('keydown', e => { if (e.key === 'Escape') closeModal(); });
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grid.addEventListener('click', e => {
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const card = e.target.closest('.card');
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if (!card) return;
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const concerts = grid._concerts || [];
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const c = concerts.find(x => x.id === card.dataset.id);
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if (c) openModal(c);
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});
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grid.addEventListener('keydown', e => {
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if (e.key === 'Enter' || e.key === ' ') {
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const card = e.target.closest('.card');
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if (card) card.click();
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}
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});
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// ── Download ─────────────────────────────────────────────────────────────────
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$('btn-download').addEventListener('click', async () => {
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const c = state.current;
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if (!c) return;
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const btnDl = $('btn-download');
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btnDl.disabled = true;
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btnDl.textContent = 'Démarrage…';
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try {
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const res = await fetch('/api/download', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ url: c.url, title: c.title }),
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});
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const { id } = await res.json();
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trackDownload(id, c.title, c.url);
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} catch (e) {
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btnDl.disabled = false;
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btnDl.textContent = 'Erreur — réessayer';
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}
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});
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function trackDownload(id, title, url) {
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state.activeDls[id] = { title, state: 'queued', progress: 0 };
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updateDlBadge();
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renderDlPanel();
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$('dl-progress-wrap').hidden = false;
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const es = new EventSource(`/api/progress/${id}`);
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es.onmessage = ev => {
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const s = JSON.parse(ev.data);
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state.activeDls[id] = { ...state.activeDls[id], ...s };
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updateDlBadge();
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renderDlPanel();
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// update modal progress if it's still open for this url
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if (state.current?.url === url) {
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const pct = s.progress || 0;
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$('dl-progress-fill').style.width = `${pct}%`;
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$('dl-progress-label').textContent = `${Math.round(pct)}%`;
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if (s.state === 'done') {
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$('dl-progress-label').textContent = '✓ Terminé';
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$('btn-download').textContent = '✓ Téléchargé';
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}
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}
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if (s.state === 'done') {
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state.downloadedUrls.add(url);
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es.close();
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} else if (s.state === 'error') {
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es.close();
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}
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};
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es.onerror = () => es.close();
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}
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function updateDlBadge() {
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const active = Object.values(state.activeDls).filter(
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d => d.state === 'downloading' || d.state === 'queued' || d.state === 'processing'
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).length;
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if (active > 0) {
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dlBadge.hidden = false;
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dlBadge.textContent = active;
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} else {
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dlBadge.hidden = true;
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}
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}
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function renderDlPanel() {
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const items = Object.entries(state.activeDls);
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if (!items.length) {
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dlPanelBody.innerHTML = '<p class="dl-empty">Aucun téléchargement.</p>';
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return;
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}
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dlPanelBody.innerHTML = items.map(([, d]) => {
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const pct = Math.round(d.progress || 0);
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const showBar = ['downloading','processing'].includes(d.state);
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return `
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<div class="dl-item">
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<div class="dl-item-title">${d.title}</div>
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<div class="dl-item-state ${d.state}">${stateLabel(d.state)}</div>
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${showBar ? `
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<div class="dl-item-bar-wrap">
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<div class="dl-item-bar-fill" style="width:${pct}%"></div>
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</div>` : ''}
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</div>`;
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}).join('');
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}
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function stateLabel(s) {
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return { queued:'En attente', downloading:'Téléchargement', processing:'Finalisation', done:'Terminé', error:'Erreur' }[s] || s;
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}
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// ── Downloads panel toggle ────────────────────────────────────────────────────
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$('btn-dl-toggle').addEventListener('click', () => {
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dlPanel.hidden = !dlPanel.hidden;
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if (!dlPanel.hidden) refreshDlHistory();
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});
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$('dl-panel-close').addEventListener('click', () => { dlPanel.hidden = true; });
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async function refreshDlHistory() {
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try {
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const history = await fetch('/api/downloads').then(r => r.json());
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for (const h of history) {
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if (!state.activeDls[h.id]) {
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state.activeDls[h.id] = { title: h.title, state: h.state, progress: h.progress || 0 };
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}
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if (h.state === 'done') state.downloadedUrls.add(h.url);
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}
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renderDlPanel();
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updateDlBadge();
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} catch {}
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}
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// ── Refresh button ─────────────────────────────────────────────────────────
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$('btn-refresh').addEventListener('click', async () => {
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const btn = $('btn-refresh');
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btn.style.opacity = '0.4';
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btn.disabled = true;
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statusText.textContent = 'Rafraîchissement du catalogue…';
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try {
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const r = await fetch('/api/refresh', { method: 'POST' });
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const { count } = await r.json();
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statusText.textContent = `Catalogue mis à jour — ${count} concerts.`;
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state.page = 1;
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await refresh();
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} catch {
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statusText.textContent = 'Erreur lors du rafraîchissement.';
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}
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btn.style.opacity = '';
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btn.disabled = false;
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});
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// ── Search ────────────────────────────────────────────────────────────────────
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const doSearch = debounce(() => {
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state.search = searchInput.value.trim();
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state.page = 1;
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refresh();
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}, 380);
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searchInput.addEventListener('input', doSearch);
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document.addEventListener('keydown', e => {
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if ((e.metaKey || e.ctrlKey) && e.key === 'k') {
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e.preventDefault();
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searchInput.focus();
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}
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});
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// ── Init ─────────────────────────────────────────────────────────────────────
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(async () => {
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await refreshDlHistory();
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await refresh();
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})();
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