初始提交：短剧库源码（含转码优化 ultrafast）
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yvan
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(() => {
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'use strict';
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window.JukuRankings = {init};
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function init({api, post, getSource, getDrama = () => null, sourceLabel, onLibraryChanged, onDownloadsChanged, getDownloadQuality = () => 0, canDownload = () => true, play}) {
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const $ = id => document.getElementById(id);
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const dialog = $('rankingPanel');
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const list = $('rankingList');
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const tabs = $('rankingTabs');
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let boards = [], board = null, entries = [], page = 0, hasMore = false;
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let busy = false, controller = null, sequence = 0, changed = false, fetchedAt = '', updatedText = '';
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const lastBoards = new Map(), submitted = new Set(), submitting = new Set();
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function node(tag, className, text) {
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const result = document.createElement(tag);
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if (className) result.className = className;
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if (text !== undefined) result.textContent = text;
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return result;
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}
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function action(text, handler) {
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const result = node('button', 'secondary', text);
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result.type = 'button';
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result.addEventListener('click', handler);
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return result;
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}
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function cancel() {
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sequence++;
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if (controller) controller.abort();
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controller = null;
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busy = false;
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}
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function controls() {
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$('refreshRankingBtn').disabled = busy;
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$('rankingMoreBtn').disabled = busy;
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$('rankingMoreBtn').hidden = !hasMore;
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$('rankingMoreBtn').textContent = busy ? '加载中…' : '加载更多';
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$('rankingContent').setAttribute('aria-busy', String(busy));
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}
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function state(text) {
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list.replaceChildren(node('li', 'ranking-state', text));
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}
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function setError(text) { $('rankingError').textContent = text || ''; }
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function renderEntries() {
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const visible = entries.filter(item => window.JukuVIP.visible(dramaFor(item)));
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list.replaceChildren(...visible.map(renderEntry));
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if (!visible.length) state(entries.length ? '本页 VIP 内容已隐藏，可将 VIP 开关切换为“显示”或继续加载。' : '此榜单暂时没有条目');
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}
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window.addEventListener('jukuvipfilterchange', event => {if (dialog.open) {renderEntries(); updateSummary(false); if (event.detail?.interactive) event.detail.priority = entries.map(item => item.drama.id);}});
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function updateSummary(stale) {
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$('rankingSummary').textContent = (updatedText || board?.description || '按站点名次展示') + (entries.length ? ' · 显示 ' + entries.filter(item => window.JukuVIP.visible(dramaFor(item))).length + ' / ' + entries.length + ' 部' : '') + (board?.source === 'huangdou' ? ' · ' + window.JukuVIP.summary(entries.map(dramaFor)) : '');
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$('rankingFetchedAt').textContent = fetchedAt ? (stale ? '上次获取：' : '获取于 ') + new Date(fetchedAt).toLocaleString() : '';
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}
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function dramaFor(item) {
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const known = getDrama(item.drama.id) || {};
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if ((Date.parse(known.sortMetadata?.checkedAt) || 0) > (Date.parse(fetchedAt) || 0)) return {...item.drama, ...known};
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const drama = {...known, ...item.drama};
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for (const [key, value] of Object.entries(known)) {if (drama[key] == null || drama[key] === '') drama[key] = value;}
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return drama;
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}
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window.addEventListener('jukulibrarychange', () => {if (dialog.open) {renderEntries(); updateSummary(false);}});
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function renderEntry(item) {
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const drama = dramaFor(item), title = drama.title || drama.name || '短剧';
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const row = node('li', 'ranking-row');
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row.value = item.rank;
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const rank = node('span', 'ranking-number' + (item.rank <= 3 ? ' top' : ''), String(item.rank).padStart(2, '0'));
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rank.setAttribute('aria-label', '第 ' + item.rank + ' 名');
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const content = node('div');
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const heading = node('div', 'ranking-title', title);
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heading.title = title;
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content.appendChild(heading);
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const count = drama.totalEpisode || drama.episodeCount;
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const details = [window.JukuVIP.isVIP(drama) ? 'VIP · 仅试看' : '', item.metric, drama.remark || (count ? count + ' 集' : ''), drama.categoryName].filter(Boolean);
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if (details.length) content.appendChild(node('div', 'ranking-meta', details.join(' · ')));
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const actions = node('div', 'ranking-actions');
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const watchLabel = window.JukuHistory?.get(drama.id) ? '继续观看' : '播放';
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const watch = action(watchLabel, () => { dialog.close(); play(drama.id, title); });
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watch.setAttribute('aria-label', watchLabel + ' ' + title);
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const download = action(submitted.has(drama.id) ? '已提交' : '下载', async () => {
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if (!canDownload() || submitting.has(drama.id) || submitted.has(drama.id)) return;
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submitting.add(drama.id);
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download.disabled = true;
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download.textContent = '提交中';
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try {
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await post('/api/ui/download', {ids: [drama.id], quality: getDownloadQuality()});
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submitted.add(drama.id);
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download.textContent = '已提交';
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$('rankingActionStatus').textContent = '已将《' + title + '》加入下载队列';
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onDownloadsChanged();
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} catch (error) {
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download.textContent = '下载';
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download.disabled = false;
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$('rankingActionStatus').textContent = '加入下载失败：' + error.message;
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} finally {
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submitting.delete(drama.id);
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}
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});
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download.disabled = submitted.has(drama.id) || submitting.has(drama.id);
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download.setAttribute('aria-label', '下载 ' + title);
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actions.appendChild(watch);
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if (canDownload()) actions.appendChild(download);
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row.append(rank, content, actions);
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return row;
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}
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async function loadPage(nextPage, refresh = false) {
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if (!board) return;
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cancel();
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const ticket = sequence, activeBoard = board;
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controller = new AbortController();
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const signal = controller.signal;
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busy = true;
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setError('');
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$('rankingActionStatus').textContent = '';
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if (!entries.length) state('正在获取站点榜单…');
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controls();
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try {
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const result = await api('/api/ui/rankings?board=' + encodeURIComponent(activeBoard.id) + '&page=' + nextPage + (refresh ? '&refresh=1' : ''), {signal});
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if (ticket !== sequence || !dialog.open) return;
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if (result.boardId !== activeBoard.id || result.page !== nextPage || !Array.isArray(result.items)) throw new Error('榜单响应不完整，请刷新重试');
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if (nextPage > 1 && result.stale) throw new Error('此页暂时只能取得旧榜单，请刷新后继续');
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const incoming = result.items;
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let previousRank = nextPage > 1 && entries.length ? entries[entries.length - 1].rank : 0;
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const ids = new Set(nextPage > 1 ? entries.map(item => item.drama.id) : []);
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for (const item of incoming) {
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if (!item.drama?.id || !Number.isInteger(item.rank) || item.rank <= previousRank || ids.has(item.drama.id)) throw new Error('榜单顺序已变化，请刷新后继续');
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previousRank = item.rank;
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ids.add(item.drama.id);
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}
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if (nextPage > 1 && updatedText && result.updatedText && result.updatedText !== updatedText) throw new Error('站点榜单已更新，请刷新后继续');
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if (nextPage === 1) {
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entries = [];
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list.replaceChildren();
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$('rankingContent').scrollTop = 0;
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fetchedAt = result.fetchedAt || '';
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updatedText = result.updatedText || '';
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}
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entries.push(...incoming);
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renderEntries();
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page = nextPage;
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hasMore = Boolean(result.hasMore) && incoming.length > 0 && !result.stale;
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changed = changed || incoming.length > 0;
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if (!entries.length) state('此榜单暂时没有条目');
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updateSummary(result.stale);
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setError([result.warning, result.saved === false && incoming.length ? '剧库缓存未保存，本次仍可播放和下载。' : ''].filter(Boolean).join(' '));
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} catch (error) {
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if (ticket !== sequence || signal.aborted) return;
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setError(error.message + (entries.length ? '；已保留当前列表。' : ''));
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if (!entries.length) state('暂时无法取得榜单，点击“刷新”重试');
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} finally {
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if (ticket === sequence) { busy = false; controller = null; controls(); }
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}
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}
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function selectBoard(id) {
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board = boards.find(item => item.id === id);
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if (!board) return;
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$('rankingVipFilterBtn').hidden = board.source !== 'huangdou';
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lastBoards.set(board.source, board.id);
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entries = []; page = 0; hasMore = false; fetchedAt = ''; updatedText = '';
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for (const tab of tabs.children) {
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const active = tab.dataset.board === id;
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tab.setAttribute('aria-selected', String(active));
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tab.tabIndex = active ? 0 : -1;
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}
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$('rankingContent').setAttribute('aria-labelledby', 'ranking-tab-' + id);
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updateSummary(false);
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loadPage(1);
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}
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function selectSource() {
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const source = $('rankingSource').value;
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const available = boards.filter(item => item.source === source);
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tabs.replaceChildren();
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for (const item of available) {
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const tab = action(item.name, () => selectBoard(item.id));
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tab.id = 'ranking-tab-' + item.id;
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tab.dataset.board = item.id;
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tab.setAttribute('role', 'tab');
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tab.setAttribute('aria-controls', 'rankingContent');
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tabs.appendChild(tab);
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}
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selectBoard(available.find(item => item.id === lastBoards.get(source))?.id || available[0]?.id);
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}
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async function loadCatalog() {
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cancel();
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const ticket = sequence;
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busy = true;
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controller = new AbortController();
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const signal = controller.signal;
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controls();
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setError('');
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state('正在读取可用榜单…');
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try {
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if (!boards.length) {
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const result = await api('/api/ui/rankings', {signal});
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if (ticket !== sequence || !dialog.open) return;
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boards = Array.isArray(result.boards) ? result.boards : [];
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}
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if (!boards.length) throw new Error('暂未提供可用榜单');
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const sources = [...new Set(boards.map(item => item.source))];
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const wanted = getSource() || $('rankingSource').value;
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$('rankingSource').replaceChildren(...sources.map(source => {
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const option = node('option', '', sourceLabel(source));
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option.value = source;
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return option;
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}));
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$('rankingSource').value = sources.includes(wanted) ? wanted : sources[0];
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selectSource();
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} catch (error) {
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if (ticket !== sequence || signal.aborted) return;
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state('点击“刷新”重试');
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setError(error.message);
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} finally {
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if (ticket === sequence) { busy = false; controller = null; controls(); }
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}
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}
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$('openRankingsBtn').addEventListener('click', () => {
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dialog.showModal();
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$('closeRankingsBtn').focus();
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$('rankingActionStatus').textContent = '';
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loadCatalog();
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});
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$('closeRankingsBtn').addEventListener('click', () => dialog.close());
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$('refreshRankingBtn').addEventListener('click', () => board ? loadPage(1, true) : loadCatalog());
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$('rankingMoreBtn').addEventListener('click', () => { if (!busy && hasMore) loadPage(page + 1); });
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$('rankingSource').addEventListener('change', selectSource);
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tabs.addEventListener('keydown', event => {
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const buttons = [...tabs.children], index = buttons.indexOf(event.target);
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if (index < 0 || !['ArrowLeft', 'ArrowRight', 'Home', 'End'].includes(event.key)) return;
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event.preventDefault();
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const next = event.key === 'Home' ? 0 : event.key === 'End' ? buttons.length - 1 : (index + (event.key === 'ArrowRight' ? 1 : -1) + buttons.length) % buttons.length;
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buttons[next].focus();
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selectBoard(buttons[next].dataset.board);
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});
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dialog.addEventListener('click', event => {
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if (event.target !== dialog) return;
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const box = dialog.getBoundingClientRect();
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if (event.clientX < box.left || event.clientX > box.right || event.clientY < box.top || event.clientY > box.bottom) dialog.close();
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});
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dialog.addEventListener('close', () => {
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if (dialog.open) return;
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cancel();
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controls();
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if (changed) { changed = false; onLibraryChanged(); }
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});
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}
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})();
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