Files
oscars-pool/public/js/app_player.js
T
2025-12-21 03:22:41 +00:00

533 lines
15 KiB
JavaScript

function decodeJwt(token) {
return JSON.parse(atob(token.split('.')[1]));
}
function safeJsonParse(v) {
try { return JSON.parse(v); } catch (_) { return null; }
}
function progressStorageKey(userId, movieId) {
return `playback_progress:${String(userId || '')}:${String(movieId || '')}`;
}
async function fetchPlaybackProgress(movieId, token) {
try {
const res = await fetch(`/api/movies/${encodeURIComponent(movieId)}/progress`, {
method: 'GET',
headers: token ? { 'Authorization': `Bearer ${token}` } : undefined,
});
if (!res.ok) return null;
const data = await res.json().catch(() => null);
if (!data) return null;
const time = Number(data.time);
const duration = data.duration === null || data.duration === undefined ? null : Number(data.duration);
return {
time: Number.isFinite(time) && time >= 0 ? time : 0,
duration: duration !== null && Number.isFinite(duration) && duration > 0 ? duration : null,
};
} catch (_) {
return null;
}
}
async function savePlaybackProgress(movieId, token, { time, duration, keepalive } = {}) {
try {
await fetch(`/api/movies/${encodeURIComponent(movieId)}/progress`, {
method: 'PUT',
headers: {
'Content-Type': 'application/json',
...(token ? { 'Authorization': `Bearer ${token}` } : {}),
},
body: JSON.stringify({ time, duration }),
keepalive: !!keepalive,
});
} catch (_) {
// best-effort
}
}
function setupVideoProgress({ videoEl, movieId, token, userId }) {
if (!videoEl || !movieId || !token || !userId) return () => {};
const key = progressStorageKey(userId, movieId);
let restored = false;
let intervalId = null;
let lastSavedAt = 0;
let lastSavedTime = -1;
function getSnapshot() {
const t = Number(videoEl.currentTime);
const d = Number(videoEl.duration);
return {
time: Number.isFinite(t) && t >= 0 ? t : 0,
duration: Number.isFinite(d) && d > 0 ? d : null,
};
}
async function restoreProgressOnce() {
if (restored) return;
restored = true;
// Prefer server progress, fall back to localStorage if offline.
const server = await fetchPlaybackProgress(movieId, token);
let targetTime = server?.time ?? 0;
if (!Number.isFinite(targetTime) || targetTime < 0) targetTime = 0;
if (targetTime <= 1) {
const local = safeJsonParse(localStorage.getItem(key));
const lt = Number(local?.time);
if (Number.isFinite(lt) && lt > 1) targetTime = lt;
}
const dur = Number(videoEl.duration);
if (!Number.isFinite(dur) || dur <= 0) return;
// Clamp to avoid seeking beyond the end.
const clamped = Math.min(Math.max(targetTime, 0), Math.max(0, dur - 3));
if (clamped > 1) {
try { videoEl.currentTime = clamped; } catch (_) {}
}
}
async function persist({ keepalive } = {}) {
// Throttle to avoid spamming the API
const now = Date.now();
if (!keepalive && now - lastSavedAt < 2000) return;
const snap = getSnapshot();
if (!Number.isFinite(snap.time)) return;
// Only save if it meaningfully changed (>= 1s)
if (lastSavedTime >= 0 && Math.abs(snap.time - lastSavedTime) < 1) return;
lastSavedAt = now;
lastSavedTime = snap.time;
try {
localStorage.setItem(key, JSON.stringify({ time: snap.time, duration: snap.duration, at: now }));
} catch (_) {}
await savePlaybackProgress(movieId, token, { ...snap, keepalive: !!keepalive });
}
function startInterval() {
if (intervalId) return;
intervalId = window.setInterval(() => { void persist(); }, 10000);
}
function stopInterval() {
if (!intervalId) return;
window.clearInterval(intervalId);
intervalId = null;
}
const onPlay = () => startInterval();
const onPause = () => { stopInterval(); void persist(); };
const onSeeked = () => { void persist(); };
const onEnded = () => { stopInterval(); void persist(); };
const onError = () => { stopInterval(); };
const onPageHide = () => { void persist({ keepalive: true }); };
const onVisibility = () => {
if (document.visibilityState === 'hidden') void persist({ keepalive: true });
};
videoEl.addEventListener('loadedmetadata', restoreProgressOnce, { once: true });
videoEl.addEventListener('play', onPlay);
videoEl.addEventListener('pause', onPause);
videoEl.addEventListener('seeked', onSeeked);
videoEl.addEventListener('ended', onEnded);
videoEl.addEventListener('error', onError);
window.addEventListener('pagehide', onPageHide);
document.addEventListener('visibilitychange', onVisibility);
// If metadata is already available, try immediately.
if (videoEl.readyState >= 1) void restoreProgressOnce();
return () => {
stopInterval();
videoEl.removeEventListener('play', onPlay);
videoEl.removeEventListener('pause', onPause);
videoEl.removeEventListener('seeked', onSeeked);
videoEl.removeEventListener('ended', onEnded);
videoEl.removeEventListener('error', onError);
window.removeEventListener('pagehide', onPageHide);
document.removeEventListener('visibilitychange', onVisibility);
};
}
function getQueryParam(name) {
const url = new URL(window.location.href);
return url.searchParams.get(name);
}
function showAlert(message) {
const el = document.getElementById('alert');
if (!el) return;
el.textContent = message;
// Ensure error styling (danger) when using the simple API.
el.classList.remove('alert-primary', 'alert-secondary', 'alert-success', 'alert-danger', 'alert-warning', 'alert-info', 'alert-light', 'alert-dark');
el.classList.add('alert-danger');
el.classList.remove('d-none');
}
function showAlertVariant(message, variant) {
const el = document.getElementById('alert');
if (!el) return;
el.textContent = message;
el.classList.remove('d-none');
// Reset any prior bootstrap alert-* variants
el.classList.remove('alert-primary', 'alert-secondary', 'alert-success', 'alert-danger', 'alert-warning', 'alert-info', 'alert-light', 'alert-dark');
const v = String(variant || 'danger').trim().toLowerCase();
el.classList.add(`alert-${v || 'danger'}`);
}
function setSourceLabel(text) {
const el = document.getElementById('source-label');
if (!el) return;
el.textContent = text || '—';
el.title = text || '';
}
function setHeader(movie) {
const titleEl = document.getElementById('movie-title');
const categoryEl = document.getElementById('movie-category');
const ratingEl = document.getElementById('movie-rating');
if (titleEl) titleEl.textContent = movie?.title || 'Player';
if (categoryEl) {
const cat = movie?.category ? String(movie.category) : '';
categoryEl.textContent = cat ? `${cat} · ` : '';
}
if (ratingEl) {
const r = movie?.rating ? String(movie.rating) : '';
ratingEl.textContent = r ? `⭐ ${r}` : '';
}
document.title = movie?.title ? `Player - ${movie.title}` : 'Player';
}
function normalizeVodLink(raw) {
const v = String(raw || '').trim();
if (!v) return null;
// Support pasted iframe embed code (extract src)
if (v.toLowerCase().includes('<iframe')) {
try {
const doc = new DOMParser().parseFromString(v, 'text/html');
const iframe = doc.querySelector('iframe');
const src = iframe?.getAttribute('src');
return src ? String(src).trim() : null;
} catch (_) {
return null;
}
}
return v;
}
function looksLikeHls(url) {
try {
const u = new URL(url, window.location.origin);
return u.pathname.toLowerCase().endsWith('.m3u8');
} catch (_) {
return String(url).toLowerCase().includes('.m3u8');
}
}
function looksLikeVideoFile(url) {
const s = String(url || '').toLowerCase();
// common direct file extensions
return /\.(mp4|webm|ogg|ogv|mov|m4v)(\?|#|$)/.test(s);
}
function toYoutubeEmbed(url) {
try {
const u = new URL(url);
const host = u.hostname.replace(/^www\./, '');
if (host === 'youtu.be') {
const id = u.pathname.split('/').filter(Boolean)[0];
return id ? `https://www.youtube.com/embed/${id}` : null;
}
if (host.endsWith('youtube.com')) {
if (u.pathname.startsWith('/embed/')) return url;
const id = u.searchParams.get('v');
return id ? `https://www.youtube.com/embed/${id}` : null;
}
return null;
} catch (_) {
return null;
}
}
function toVimeoEmbed(url) {
try {
const u = new URL(url);
const host = u.hostname.replace(/^www\./, '');
if (host === 'player.vimeo.com' && u.pathname.startsWith('/video/')) return url;
if (host === 'vimeo.com') {
const id = u.pathname.split('/').filter(Boolean)[0];
return id ? `https://player.vimeo.com/video/${id}` : null;
}
return null;
} catch (_) {
return null;
}
}
function showVideoPlayer() {
const videoEl = document.getElementById('video');
const iframeEl = document.getElementById('embed');
if (iframeEl) {
iframeEl.classList.add('d-none');
iframeEl.removeAttribute('src');
}
if (videoEl) videoEl.classList.remove('d-none');
return videoEl;
}
function showEmbedPlayer(embedUrl) {
const videoEl = document.getElementById('video');
const iframeEl = document.getElementById('embed');
if (videoEl) {
try { videoEl.pause(); } catch (_) {}
videoEl.classList.add('d-none');
// best-effort: clear any previous src
try { videoEl.removeAttribute('src'); videoEl.load(); } catch (_) {}
}
if (iframeEl) {
iframeEl.classList.remove('d-none');
iframeEl.setAttribute('src', embedUrl);
}
}
function hideAllPlayers() {
const videoEl = document.getElementById('video');
const iframeEl = document.getElementById('embed');
if (videoEl) {
try { videoEl.pause(); } catch (_) {}
videoEl.classList.add('d-none');
try { videoEl.removeAttribute('src'); videoEl.load(); } catch (_) {}
}
if (iframeEl) {
iframeEl.classList.add('d-none');
iframeEl.removeAttribute('src');
}
}
function setOpenOriginal(raw) {
const openOriginal = document.getElementById('open-original');
if (!openOriginal) return;
if (raw) {
openOriginal.href = raw;
openOriginal.classList.remove('d-none');
} else {
openOriginal.removeAttribute('href');
openOriginal.classList.add('d-none');
}
}
async function playVodLink(vodLink) {
const raw = normalizeVodLink(vodLink);
if (!raw) {
showAlert('No VOD link configured for this movie.');
setSourceLabel('—');
return;
}
// "Open original" button
setOpenOriginal(raw);
// Prefer known embed providers
const yt = toYoutubeEmbed(raw);
if (yt) {
setSourceLabel('YouTube (embed)');
showEmbedPlayer(yt);
return;
}
const vimeo = toVimeoEmbed(raw);
if (vimeo) {
setSourceLabel('Vimeo (embed)');
showEmbedPlayer(vimeo);
return;
}
// Direct video file
if (looksLikeVideoFile(raw)) {
setSourceLabel('Direct video file');
const videoEl = showVideoPlayer();
if (!videoEl) return;
videoEl.src = raw;
videoEl.addEventListener('error', () => {
// If the browser can't play it (or CORS blocks), fall back to iframe.
setSourceLabel('Embed (fallback)');
showEmbedPlayer(raw);
}, { once: true });
try { videoEl.load(); } catch (_) {}
return;
}
// HLS (.m3u8)
if (looksLikeHls(raw)) {
setSourceLabel('HLS stream (.m3u8)');
const videoEl = showVideoPlayer();
if (!videoEl) return;
// Native HLS (Safari) first
if (videoEl.canPlayType('application/vnd.apple.mpegurl')) {
videoEl.src = raw;
try { videoEl.load(); } catch (_) {}
return;
}
// hls.js fallback (if supported)
if (window.Hls && window.Hls.isSupported()) {
const hls = new window.Hls({
enableWorker: true,
});
hls.loadSource(raw);
hls.attachMedia(videoEl);
hls.on(window.Hls.Events.ERROR, function (_evt, data) {
if (data?.fatal) {
try { hls.destroy(); } catch (_) {}
setSourceLabel('Embed (fallback)');
showEmbedPlayer(raw);
}
});
return;
}
// Last resort
setSourceLabel('Embed (fallback)');
showEmbedPlayer(raw);
return;
}
// Default: treat as embeddable URL
setSourceLabel('Embed');
showEmbedPlayer(raw);
}
function cleanUrlValue(v) {
const s = typeof v === 'string' ? v.trim() : '';
return s ? s : null;
}
function resolveMovieSource(movie) {
const mode = String(movie?.player_mode || 'auto').toLowerCase();
const legacy = cleanUrlValue(movie?.vod_link);
const video = cleanUrlValue(movie?.video_src);
const embed = cleanUrlValue(movie?.embed_src);
// Legacy should never embed in the player (open in new tab only).
// So we only pick legacy if there is no other option, and mark it.
let picked = null;
if (mode === 'video') picked = video || null;
else if (mode === 'embed') picked = embed || null;
else picked = video || embed || null; // auto
if (picked) return { src: picked, isLegacy: false };
if (legacy) return { src: legacy, isLegacy: true };
return { src: null, isLegacy: false };
}
window.onload = async function () {
// Basic auth UX: require a valid local token (like the rest of the app).
const token = localStorage.getItem('auth_token');
if (!token) {
window.location.href = '/';
return;
}
let decoded = null;
try {
decoded = decodeJwt(token);
const currentTime = Math.floor(Date.now() / 1000);
if (decoded.exp && decoded.exp < currentTime) {
localStorage.removeItem('auth_token');
window.location.href = '/';
return;
}
if (decoded.mustChangePassword) {
window.location.href = '/change-password.html';
return;
}
const nameEl = document.getElementById('user-name');
if (nameEl) nameEl.textContent = decoded.name || '';
if (decoded.admin) {
const adminLink = document.getElementById('admin-control-link');
if (adminLink) adminLink.classList.remove('d-none');
}
const logoffBtn = document.getElementById('log-off');
if (logoffBtn) {
logoffBtn.addEventListener('click', function () {
localStorage.removeItem('auth_token');
window.location.href = '/';
});
}
} catch (_) {
localStorage.removeItem('auth_token');
window.location.href = '/';
return;
}
const id = getQueryParam('id');
if (!id) {
showAlert('Missing movie id.');
return;
}
try {
const res = await fetch(`/api/movies/${encodeURIComponent(id)}`, {
method: 'GET',
headers: token ? { 'Authorization': `Bearer ${token}` } : undefined,
});
const movie = await res.json().catch(() => ({}));
if (!res.ok) {
showAlert(movie?.message || movie?.error || `Failed to load movie (${res.status}).`);
return;
}
setHeader(movie);
const resolved = resolveMovieSource(movie);
if (!resolved?.src) {
setOpenOriginal(null);
setSourceLabel('—');
hideAllPlayers();
showAlert('No playable source configured for this movie.');
return;
}
if (resolved.isLegacy) {
// Legacy source: never embed it in the player.
setOpenOriginal(resolved.src);
setSourceLabel('Legacy link (opens in new tab)');
hideAllPlayers();
showAlertVariant('Legacy source: use “Open original” to watch in a new tab.', 'warning');
return;
}
await playVodLink(resolved.src);
// Only the <video> player supports reliable progress tracking (mp4/hls).
const videoEl = document.getElementById('video');
if (videoEl && !videoEl.classList.contains('d-none')) {
setupVideoProgress({ videoEl, movieId: id, token, userId: decoded?.id });
}
} catch (err) {
showAlert(err.message || 'Network error.');
}
};