500 lines
17 KiB
JavaScript
500 lines
17 KiB
JavaScript
// Define global variables to track music files and the current index.
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let currentMusicFiles = []; // Array of objects with at least { path, index }
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let currentMusicIndex = -1; // Index of the current music file
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let currentTrackPath = "";
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// Helper function: decode each segment then re-encode to avoid double encoding.
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function encodeSubpath(subpath) {
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if (!subpath) return '';
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return subpath
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.split('/')
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.map(segment => encodeURIComponent(decodeURIComponent(segment)))
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.join('/');
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}
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// Global variable for gallery images (updated from current folder)
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let currentGalleryImages = [];
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function paintFile() {
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// Highlight the currently playing file
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if (currentTrackPath) {
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const currentMusicFile = currentMusicFiles.find(file => file.path === currentTrackPath);
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if (currentMusicFile) {
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const currentMusicFileElement = document.querySelector(`.play-file[data-url="${currentMusicFile.path}"]`);
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if (currentMusicFileElement) {
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const fileItem = currentMusicFileElement.closest('.file-item');
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fileItem.classList.add('currently-playing');
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// setTimeout(() => {
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// fileItem.scrollIntoView({ block: "center", inline: "nearest" });
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// }, 300);
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}
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}
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}
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}
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function renderContent(data) {
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// Render breadcrumbs
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let breadcrumbHTML = '';
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data.breadcrumbs.forEach((crumb, index) => {
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breadcrumbHTML += `<a href="#" class="breadcrumb-link" data-path="${crumb.path}">${crumb.name}</a>`;
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if (index < data.breadcrumbs.length - 1) {
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breadcrumbHTML += `<span class="separator">​></span>`;
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}
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});
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document.getElementById('breadcrumbs').innerHTML = breadcrumbHTML;
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// Check for image-only directory (no subdirectories, at least one file, all images)
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const isImageOnly = data.directories.length === 0
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&& data.files.length > 0
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&& data.files.every(file => file.file_type === 'image');
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let contentHTML = '';
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if (isImageOnly) {
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// Display thumbnails grid
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contentHTML += '<div class="images-grid">';
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data.files.forEach(file => {
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const thumbUrl = `${file.path}?thumbnail=true`;
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contentHTML += `
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<div class="image-item">
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<a href="#" class="play-file image-link" data-url="${file.path}" data-file-type="${file.file_type}">
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<img src="/media/${thumbUrl}" alt="${file.name}" class="thumbnail" />
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</a>
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</div>
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`;
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});
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contentHTML += '</div>';
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} else {
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// Render directories normally
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if (data.directories.length > 0) {
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const areAllShort = data.directories.every(dir => dir.name.length <= 15) && data.files.length === 0;
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if (areAllShort && data.breadcrumbs.length !== 1) {
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contentHTML += '<div class="directories-grid">';
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data.directories.forEach(dir => {
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contentHTML += `<div class="directory-item">📁 <a href="#" class="directory-link" data-path="${dir.path}">${dir.name}</a></div>`;
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});
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contentHTML += '</div>';
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} else {
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contentHTML += '<ul>';
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data.directories.forEach(dir => {
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contentHTML += `<li class="directory-item">📁 <a href="#" class="directory-link" data-path="${dir.path}">${dir.name}</a></li>`;
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});
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if (data.breadcrumbs.length === 1) {
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contentHTML += `<li class="link-item" onclick="window.location.href='/search'">🔎 <a href="/search" class="link-link">Suche</a></li>`;
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}
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contentHTML += '</ul>';
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}
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}
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// Render files (including music and non-image files)
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currentMusicFiles = [];
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if (data.files.length > 0) {
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contentHTML += '<ul>';
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data.files.forEach((file, idx) => {
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let symbol = '📄';
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if (file.file_type === 'music') {
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symbol = '🔊';
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currentMusicFiles.push({ path: file.path, index: idx, title: file.name.replace('.mp3', '') });
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} else if (file.file_type === 'image') {
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symbol = '🖼️';
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}
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const indexAttr = file.file_type === 'music' ? ` data-index="${currentMusicFiles.length - 1}"` : '';
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contentHTML += `<li class="file-item">
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<a href="#" class="play-file"${indexAttr} data-url="${file.path}" data-file-type="${file.file_type}">${symbol} ${file.name.replace('.mp3', '')}</a>`;
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if (file.has_transcript) {
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contentHTML += `<a href="#" class="show-transcript" data-url="${file.transcript_url}" title="Show Transcript">📄</a>`;
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}
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contentHTML += `</li>`;
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});
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contentHTML += '</ul>';
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}
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}
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// Insert generated content
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document.getElementById('content').innerHTML = contentHTML;
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// Attach event listeners for directories
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document.querySelectorAll('.directory-item').forEach(item => {
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item.addEventListener('click', function(e) {
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if (!e.target.closest('a')) {
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const anchor = item.querySelector('a.directory-link');
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if (anchor) anchor.click();
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}
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});
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});
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// Attach event listeners for file items (including images)
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if (isImageOnly) {
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document.querySelectorAll('.image-item').forEach(item => {
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item.addEventListener('click', function(e) {
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if (!e.target.closest('a')) {
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const anchor = item.querySelector('a.image-link');
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if (anchor) anchor.click();
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}
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});
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});
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} else {
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document.querySelectorAll('li.file-item').forEach(item => {
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item.addEventListener('click', function(e) {
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if (!e.target.closest('a')) {
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const anchor = item.querySelector('a.play-file');
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if (anchor) anchor.click();
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}
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});
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});
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}
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// Update gallery images for lightbox or similar
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currentGalleryImages = data.files
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.filter(f => f.file_type === 'image')
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.map(f => f.path);
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attachEventListeners();
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}
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// Fetch directory data from the API.
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function loadDirectory(subpath) {
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const encodedPath = encodeSubpath(subpath);
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const apiUrl = '/api/path/' + encodedPath;
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return fetch(apiUrl)
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.then(response => response.json())
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.then(data => {
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renderContent(data);
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if (data.playfile) {
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const playFileLink = document.querySelector(`.play-file[data-url="${data.playfile}"]`);
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if (playFileLink) {
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playFileLink.click();
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}
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}
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paintFile();
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return data; // return data for further chaining
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})
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.catch(error => {
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console.error('Error loading directory:', error);
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document.getElementById('content').innerHTML = `<p>Error loading directory!</p><p>${error}</p>`;
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throw error; // Propagate the error
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});
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}
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// preload the next audio file
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function preload_audio() {
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// Prefetch the next file by triggering the backend diskcache.
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if (currentMusicIndex >= 0 && currentMusicIndex < currentMusicFiles.length - 1) {
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const nextFile = currentMusicFiles[currentMusicIndex + 1];
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const nextMediaUrl = '/media/' + nextFile.path;
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// Use a HEAD request so that the backend reads and caches the file without returning the full content.
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fetch(nextMediaUrl, {
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method: 'HEAD',
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headers: {
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'X-Cache-Request': 'true'
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}
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});
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}
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}
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// Attach event listeners for directory, breadcrumb, file, and transcript links.
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function attachEventListeners() {
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// Directory link clicks.
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document.querySelectorAll('.directory-link').forEach(link => {
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link.addEventListener('click', function (event) {
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event.preventDefault();
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const newPath = this.getAttribute('data-path');
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loadDirectory(newPath);
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history.pushState({ subpath: newPath }, '', newPath ? '/path/' + newPath : '/');
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// Scroll to the top of the page after click:
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window.scrollTo({ top: 0, behavior: 'smooth' });
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});
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});
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// Breadcrumb link clicks.
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document.querySelectorAll('.breadcrumb-link').forEach(link => {
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link.addEventListener('click', function (event) {
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event.preventDefault();
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const newPath = this.getAttribute('data-path');
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loadDirectory(newPath);
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history.pushState({ subpath: newPath }, '', newPath ? '/path/' + newPath : '/');
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});
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});
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// Cache common DOM elements
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const nowPlayingInfo = document.getElementById('nowPlayingInfo');
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const audioPlayer = document.getElementById('globalAudio');
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const playerButton = document.querySelector('.player-button');
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const audioPlayerContainer = document.getElementById('audioPlayerContainer');
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const footer = document.querySelector('footer');
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// Global variable to store the current fetch's AbortController.
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let currentFetchController = null;
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document.querySelectorAll('.play-file').forEach(link => {
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link.addEventListener('click', async function (event) {
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event.preventDefault();
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const { fileType, url: relUrl, index } = this.dataset;
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// Remove the class from all file items.
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document.querySelectorAll('.file-item').forEach(item => {
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item.classList.remove('currently-playing');
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});
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if (fileType === 'music') {
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// Update the current music index.
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currentMusicIndex = index !== undefined ? parseInt(index) : -1;
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// Display the audio player container.
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audioPlayerContainer.style.display = "block";
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// Mark the clicked item as currently playing.
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this.closest('.file-item').classList.add('currently-playing');
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// Abort any previous fetch if still running.
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if (currentFetchController) {
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currentFetchController.abort();
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}
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currentFetchController = new AbortController();
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// Pause the audio and clear its source.
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audioPlayer.pause();
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audioPlayer.src = '';
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// Set a timeout to display a loader message if needed.
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const loaderTimeout = setTimeout(() => {
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playerButton.innerHTML = playIcon;
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nowPlayingInfo.textContent = "Wird geladen...";
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}, 500);
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footer.style.display = 'flex';
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const mediaUrl = `/media/${relUrl}`;
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try {
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// Perform a HEAD request to verify media availability.
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const response = await fetch(mediaUrl, { method: 'HEAD', signal: currentFetchController.signal });
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clearTimeout(loaderTimeout);
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if (response.status === 403) {
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nowPlayingInfo.textContent = "Fehler: Zugriff verweigert.";
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window.location.href = '/';
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return;
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} else if (!response.ok) {
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nowPlayingInfo.textContent = `Fehler: Unerwarteter Status (${response.status}).`;
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console.error('Unexpected response status:', response.status);
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return;
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}
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// Set the media URL, load, and play the audio.
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audioPlayer.src = mediaUrl;
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audioPlayer.load();
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await audioPlayer.play();
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currentTrackPath = relUrl;
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playerButton.innerHTML = pauseIcon;
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// Process file path for display.
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const pathParts = relUrl.split('/');
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const folderName = pathParts[pathParts.length - 2];
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const fileName = pathParts.pop();
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const pathStr = pathParts.join('/');
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// Update Media Session metadata if available.
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if ('mediaSession' in navigator) {
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navigator.mediaSession.metadata = new MediaMetadata({
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title: currentMusicFiles[currentMusicIndex].title,
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artist: folderName,
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artwork: [
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{ src: '/icons/logo-192x192.png', sizes: '192x192', type: 'image/png' }
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]
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});
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}
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nowPlayingInfo.innerHTML = pathStr.replace(/\//g, ' > ') +
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'<br><span style="font-size: larger; font-weight: bold;">' +
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fileName.replace('.mp3', '') + '</span>';
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// Delay preloading to avoid blocking playback.
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setTimeout(preload_audio, 1000);
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} catch (error) {
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if (error.name === 'AbortError') {
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console.log('Previous fetch aborted.');
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} else {
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console.error('Error fetching media:', error);
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nowPlayingInfo.textContent = "Fehler: Netzwerkproblem oder ungültige URL.";
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}
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}
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} else if (fileType === 'image') {
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// Open the gallery modal for image files.
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openGalleryModal(relUrl);
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} else {
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// serve like a download
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window.location.href = `/media/${relUrl}`;
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}
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});
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});
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// Transcript icon clicks.
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document.querySelectorAll('.show-transcript').forEach(link => {
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link.addEventListener('click', function (event) {
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event.preventDefault();
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const url = this.getAttribute('data-url');
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fetch(url)
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.then(response => {
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if (!response.ok) {
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throw new Error('Network response was not ok');
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}
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return response.text();
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})
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.then(data => {
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document.getElementById('transcriptContent').innerHTML = marked.parse(data);
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document.getElementById('transcriptModal').style.display = 'block';
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})
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.catch(error => {
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document.getElementById('transcriptContent').innerHTML = '<p>Error loading transcription.</p>';
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document.getElementById('transcriptModal').style.display = 'block';
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});
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});
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});
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}
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// Modal close logic for transcript modal.
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document.addEventListener('DOMContentLoaded', function () {
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const closeBtn = document.querySelector('#transcriptModal .close');
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closeBtn.addEventListener('click', function () {
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document.getElementById('transcriptModal').style.display = 'none';
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});
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window.addEventListener('click', function (event) {
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if (event.target == document.getElementById('transcriptModal')) {
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document.getElementById('transcriptModal').style.display = 'none';
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}
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});
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// Load initial directory based on URL.
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let initialSubpath = '';
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if (window.location.pathname.indexOf('/path/') === 0) {
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initialSubpath = window.location.pathname.substring(6); // remove "/path/"
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}
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loadDirectory(initialSubpath);
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});
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// Handle back/forward navigation.
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window.addEventListener('popstate', function (event) {
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const subpath = event.state ? event.state.subpath : '';
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loadDirectory(subpath);
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});
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let isReloadButtonVisible = true; // Boolean to track the visibility of the reload button.
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function reloadDirectory() {
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if (!isReloadButtonVisible) return Promise.resolve();
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// Extract the current path from the URL.
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let currentSubpath = '';
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if (window.location.pathname.indexOf('/path/') === 0) {
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currentSubpath = window.location.pathname.substring(6);
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}
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// Return the promise so that we can chain actions after the directory has reloaded.
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return loadDirectory(currentSubpath)
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.then(() => {
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// Animate the reload button as before.
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const reloadBtn = document.querySelector('#reload-button');
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const reloadBtnSVG = document.querySelector('#reload-button svg');
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void reloadBtnSVG.offsetWidth; // Force reflow to reset the animation
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reloadBtnSVG.classList.add("rotate");
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isReloadButtonVisible = false;
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setTimeout(() => {
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reloadBtnSVG.classList.remove("rotate");
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reloadBtn.style.transition = 'opacity 0.5s ease';
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reloadBtn.style.opacity = '1';
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reloadBtn.style.pointer = 'cursor';
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isReloadButtonVisible = true;
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}, 10000);
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});
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}
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if ('mediaSession' in navigator) {
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// Handler for the play action
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navigator.mediaSession.setActionHandler('play', () => {
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document.getElementById('globalAudio').play();
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});
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// Handler for the pause action
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navigator.mediaSession.setActionHandler('pause', () => {
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document.getElementById('globalAudio').pause();
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});
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// Handler for the previous track action
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navigator.mediaSession.setActionHandler('previoustrack', () => {
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if (currentMusicIndex > 0) {
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const prevFile = currentMusicFiles[currentMusicIndex - 1];
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const prevLink = document.querySelector(`.play-file[data-url="${prevFile.path}"]`);
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if (prevLink) {
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prevLink.click();
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}
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}
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});
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// Handler for the next track action
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navigator.mediaSession.setActionHandler('nexttrack', () => {
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if (currentMusicIndex >= 0 && currentMusicIndex < currentMusicFiles.length - 1) {
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const nextFile = currentMusicFiles[currentMusicIndex + 1];
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const nextLink = document.querySelector(`.play-file[data-url="${nextFile.path}"]`);
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if (nextLink) {
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nextLink.click();
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}
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}
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});
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}
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document.getElementById('globalAudio').addEventListener('ended', () => {
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reloadDirectory().then(() => {
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// If we had a track playing, try to find it in the updated list.
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if (currentTrackPath) {
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const newIndex = currentMusicFiles.findIndex(file => file.path === currentTrackPath);
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currentMusicIndex = newIndex;
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}
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// Now, if there's a next track, auto-play it.
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if (currentMusicIndex >= 0 && currentMusicIndex < currentMusicFiles.length - 1) {
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const nextFile = currentMusicFiles[currentMusicIndex + 1];
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const nextLink = document.querySelector(`.play-file[data-url="${nextFile.path}"]`);
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if (nextLink) {
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nextLink.click();
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}
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}
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}).catch(error => {
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console.error('Error during reload:', error);
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});
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});
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// document.addEventListener("DOMContentLoaded", function() {
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// // Automatically reload every 5 minutes (300,000 milliseconds)
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// setInterval(reloadDirectory, 300000);
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// });
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function syncThemeColor() {
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const cssVar = getComputedStyle(document.documentElement)
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.getPropertyValue('--dark-background')
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.trim();
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if (!cssVar) return;
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// sync the theme‑color meta tag
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document.querySelector('meta[name="theme-color"]')
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.setAttribute('content', cssVar);
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// apply fill to every <svg> inside elements with .icon-color
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document
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.querySelectorAll('.icon-color svg')
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.forEach(svg => svg.setAttribute('fill', cssVar));
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}
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document.addEventListener('DOMContentLoaded', syncThemeColor); |