Files
spotizerr-dev/static/js/playlist.js
cool.gitter.choco a4932ae36e meh
2025-03-15 14:44:43 -06:00

361 lines
12 KiB
JavaScript

// Import the downloadQueue singleton from your working queue.js implementation.
import { downloadQueue } from './queue.js';
document.addEventListener('DOMContentLoaded', () => {
// Parse playlist ID from URL
const pathSegments = window.location.pathname.split('/');
const playlistId = pathSegments[pathSegments.indexOf('playlist') + 1];
if (!playlistId) {
showError('No playlist ID provided.');
return;
}
// Fetch playlist info directly
fetch(`/api/playlist/info?id=${encodeURIComponent(playlistId)}`)
.then(response => {
if (!response.ok) throw new Error('Network response was not ok');
return response.json();
})
.then(data => renderPlaylist(data))
.catch(error => {
console.error('Error:', error);
showError('Failed to load playlist.');
});
const queueIcon = document.getElementById('queueIcon');
if (queueIcon) {
queueIcon.addEventListener('click', () => {
downloadQueue.toggleVisibility();
});
}
});
/**
* Renders playlist header and tracks.
*/
function renderPlaylist(playlist) {
// Hide loading and error messages
document.getElementById('loading').classList.add('hidden');
document.getElementById('error').classList.add('hidden');
// Update header info
document.getElementById('playlist-name').textContent = playlist.name || 'Unknown Playlist';
document.getElementById('playlist-owner').textContent = `By ${playlist.owner?.display_name || 'Unknown User'}`;
document.getElementById('playlist-stats').textContent =
`${playlist.followers?.total || '0'} followers • ${playlist.tracks?.total || '0'} songs`;
document.getElementById('playlist-description').textContent = playlist.description || '';
const image = playlist.images?.[0]?.url || '/static/images/placeholder.jpg';
document.getElementById('playlist-image').src = image;
// --- Add Home Button ---
let homeButton = document.getElementById('homeButton');
if (!homeButton) {
homeButton = document.createElement('button');
homeButton.id = 'homeButton';
homeButton.className = 'home-btn';
// Use an <img> tag to display the SVG icon.
homeButton.innerHTML = `<img src="/static/images/home.svg" alt="Home">`;
// Insert the home button at the beginning of the header container.
const headerContainer = document.getElementById('playlist-header');
if (headerContainer) {
headerContainer.insertBefore(homeButton, headerContainer.firstChild);
}
}
homeButton.addEventListener('click', () => {
// Navigate to the site's base URL.
window.location.href = window.location.origin;
});
// --- Add "Download Whole Playlist" Button ---
let downloadPlaylistBtn = document.getElementById('downloadPlaylistBtn');
if (!downloadPlaylistBtn) {
downloadPlaylistBtn = document.createElement('button');
downloadPlaylistBtn.id = 'downloadPlaylistBtn';
downloadPlaylistBtn.textContent = 'Download Whole Playlist';
downloadPlaylistBtn.className = 'download-btn download-btn--main';
// Insert the button into the header container.
const headerContainer = document.getElementById('playlist-header');
if (headerContainer) {
headerContainer.appendChild(downloadPlaylistBtn);
}
}
downloadPlaylistBtn.addEventListener('click', () => {
// Remove individual track download buttons (but leave the whole playlist button).
document.querySelectorAll('.download-btn').forEach(btn => {
if (btn.id !== 'downloadPlaylistBtn') {
btn.remove();
}
});
// Disable the whole playlist button to prevent repeated clicks.
downloadPlaylistBtn.disabled = true;
downloadPlaylistBtn.textContent = 'Queueing...';
// Initiate the playlist download.
downloadWholePlaylist(playlist).then(() => {
downloadPlaylistBtn.textContent = 'Queued!';
}).catch(err => {
showError('Failed to queue playlist download: ' + (err?.message || 'Unknown error'));
downloadPlaylistBtn.disabled = false;
});
});
// --- Add "Download Playlist's Albums" Button ---
let downloadAlbumsBtn = document.getElementById('downloadAlbumsBtn');
if (!downloadAlbumsBtn) {
downloadAlbumsBtn = document.createElement('button');
downloadAlbumsBtn.id = 'downloadAlbumsBtn';
downloadAlbumsBtn.textContent = "Download Playlist's Albums";
downloadAlbumsBtn.className = 'download-btn download-btn--main';
// Insert the new button into the header container.
const headerContainer = document.getElementById('playlist-header');
if (headerContainer) {
headerContainer.appendChild(downloadAlbumsBtn);
}
}
downloadAlbumsBtn.addEventListener('click', () => {
// Remove individual track download buttons (but leave this album button).
document.querySelectorAll('.download-btn').forEach(btn => {
if (btn.id !== 'downloadAlbumsBtn') btn.remove();
});
downloadAlbumsBtn.disabled = true;
downloadAlbumsBtn.textContent = 'Queueing...';
downloadPlaylistAlbums(playlist)
.then(() => {
downloadAlbumsBtn.textContent = 'Queued!';
})
.catch(err => {
showError('Failed to queue album downloads: ' + (err?.message || 'Unknown error'));
downloadAlbumsBtn.disabled = false;
});
});
// Render tracks list
const tracksList = document.getElementById('tracks-list');
if (!tracksList) return;
tracksList.innerHTML = ''; // Clear any existing content
if (playlist.tracks?.items) {
playlist.tracks.items.forEach((item, index) => {
if (!item || !item.track) return; // Skip null/undefined tracks
const track = item.track;
// Create links for track, artist, and album using their IDs.
const trackLink = `/track/${track.id || ''}`;
const artistLink = `/artist/${track.artists?.[0]?.id || ''}`;
const albumLink = `/album/${track.album?.id || ''}`;
const trackElement = document.createElement('div');
trackElement.className = 'track';
trackElement.innerHTML = `
<div class="track-number">${index + 1}</div>
<div class="track-info">
<div class="track-name">
<a href="${trackLink}" title="View track details">${track.name || 'Unknown Track'}</a>
</div>
<div class="track-artist">
<a href="${artistLink}" title="View artist details">${track.artists?.[0]?.name || 'Unknown Artist'}</a>
</div>
</div>
<div class="track-album">
<a href="${albumLink}" title="View album details">${track.album?.name || 'Unknown Album'}</a>
</div>
<div class="track-duration">${msToTime(track.duration_ms || 0)}</div>
<button class="download-btn download-btn--circle"
data-url="${track.external_urls?.spotify || ''}"
data-type="track"
data-name="${track.name || 'Unknown Track'}"
title="Download">
<img src="/static/images/download.svg" alt="Download">
</button>
`;
tracksList.appendChild(trackElement);
});
}
// Reveal header and tracks container
document.getElementById('playlist-header').classList.remove('hidden');
document.getElementById('tracks-container').classList.remove('hidden');
// Attach download listeners to newly rendered download buttons
attachDownloadListeners();
}
/**
* Converts milliseconds to minutes:seconds.
*/
function msToTime(duration) {
if (!duration || isNaN(duration)) return '0:00';
const minutes = Math.floor(duration / 60000);
const seconds = ((duration % 60000) / 1000).toFixed(0);
return `${minutes}:${seconds.padStart(2, '0')}`;
}
/**
* Displays an error message in the UI.
*/
function showError(message) {
const errorEl = document.getElementById('error');
if (errorEl) {
errorEl.textContent = message || 'An error occurred';
errorEl.classList.remove('hidden');
}
}
/**
* Attaches event listeners to all individual download buttons.
*/
function attachDownloadListeners() {
document.querySelectorAll('.download-btn').forEach((btn) => {
// Skip the whole playlist and album download buttons.
if (btn.id === 'downloadPlaylistBtn' || btn.id === 'downloadAlbumsBtn') return;
btn.addEventListener('click', (e) => {
e.stopPropagation();
const url = e.currentTarget.dataset.url || '';
const type = e.currentTarget.dataset.type || '';
const name = e.currentTarget.dataset.name || extractName(url) || 'Unknown';
// Remove the button immediately after click.
e.currentTarget.remove();
startDownload(url, type, { name });
});
});
}
/**
* Initiates the whole playlist download by calling the playlist endpoint.
*/
async function downloadWholePlaylist(playlist) {
if (!playlist) {
throw new Error('Invalid playlist data');
}
const url = playlist.external_urls?.spotify || '';
if (!url) {
throw new Error('Missing playlist URL');
}
try {
await downloadQueue.startPlaylistDownload(url, { name: playlist.name || 'Unknown Playlist' });
} catch (error) {
showError('Playlist download failed: ' + (error?.message || 'Unknown error'));
throw error;
}
}
/**
* Initiates album downloads for each unique album in the playlist,
* adding a 20ms delay between each album download and updating the button
* with the progress (queued_albums/total_albums).
*/
async function downloadPlaylistAlbums(playlist) {
if (!playlist?.tracks?.items) {
showError('No tracks found in this playlist.');
return;
}
// Build a map of unique albums (using album ID as the key).
const albumMap = new Map();
playlist.tracks.items.forEach(item => {
if (!item?.track?.album) return;
const album = item.track.album;
if (album && album.id) {
albumMap.set(album.id, album);
}
});
const uniqueAlbums = Array.from(albumMap.values());
const totalAlbums = uniqueAlbums.length;
if (totalAlbums === 0) {
showError('No albums found in this playlist.');
return;
}
// Get a reference to the "Download Playlist's Albums" button.
const downloadAlbumsBtn = document.getElementById('downloadAlbumsBtn');
if (downloadAlbumsBtn) {
// Initialize the progress display.
downloadAlbumsBtn.textContent = `0/${totalAlbums}`;
}
try {
// Process each album sequentially.
for (let i = 0; i < totalAlbums; i++) {
const album = uniqueAlbums[i];
if (!album) continue;
const albumUrl = album.external_urls?.spotify || '';
if (!albumUrl) continue;
await downloadQueue.startAlbumDownload(
albumUrl,
{ name: album.name || 'Unknown Album' }
);
// Update button text with current progress.
if (downloadAlbumsBtn) {
downloadAlbumsBtn.textContent = `${i + 1}/${totalAlbums}`;
}
// Wait 20 milliseconds before processing the next album.
await new Promise(resolve => setTimeout(resolve, 20));
}
// Once all albums have been queued, update the button text.
if (downloadAlbumsBtn) {
downloadAlbumsBtn.textContent = 'Queued!';
}
} catch (error) {
// Propagate any errors encountered.
throw error;
}
}
/**
* Starts the download process by building a minimal API URL with only the necessary parameters,
* since the server will use config defaults for others.
*/
async function startDownload(url, type, item, albumType) {
if (!url || !type) {
showError('Missing URL or type for download');
return;
}
const service = url.includes('open.spotify.com') ? 'spotify' : 'deezer';
let apiUrl = `/api/${type}/download?service=${service}&url=${encodeURIComponent(url)}`;
// Add name and artist if available for better progress display
if (item.name) {
apiUrl += `&name=${encodeURIComponent(item.name)}`;
}
if (item.artist) {
apiUrl += `&artist=${encodeURIComponent(item.artist)}`;
}
// For artist downloads, include album_type
if (type === 'artist' && albumType) {
apiUrl += `&album_type=${encodeURIComponent(albumType)}`;
}
try {
const response = await fetch(apiUrl);
const data = await response.json();
// Add the download to the queue using the working queue implementation.
downloadQueue.addDownload(item, type, data.prg_file);
} catch (error) {
showError('Download failed: ' + (error?.message || 'Unknown error'));
}
}
/**
* A helper function to extract a display name from the URL.
*/
function extractName(url) {
return url || 'Unknown';
}