rqbit/crates/librqbit/webui/app.js
2023-11-20 22:10:01 +00:00

209 lines
8.4 KiB
JavaScript

// Define API URL and base path
const apiUrl = window.origin == 'null' ? 'http://localhost:3030' : '';
// Helper function for making API requests (async/await)
async function makeRequest(method, path, data) {
const url = apiUrl + path;
const options = {
method,
headers: {
'Accept': 'application/json',
},
body: data,
};
try {
const response = await fetch(url, options);
if (!response.ok) {
const errorBody = await response.text();
try {
const json = JSON.parse(errorBody);
displayApiError({
status: response.status,
statusText: response.statusText,
body: json.human_readable !== undefined ? json.human_readable : errorBody,
});
}
catch (e) {
displayApiError({
status: response.status,
statusText: response.statusText,
body: errorBody,
});
}
return Promise.reject(errorBody);
}
const result = await response.json();
return result;
}
catch (error) {
console.error(error);
displayApiError({
status: error.status,
statusText: error.statusText,
body: error.toString(),
});
return Promise.reject(`Error: ${error.message}`);
}
}
// Helper function to display the API response
function displayResult(result) {
const outputDiv = document.getElementById('output');
if (outputDiv) {
outputDiv.innerHTML = `<pre>${result}</pre>`;
}
}
// Function to get detailed information about a torrent (async/await)
async function getTorrentDetails(index) {
return makeRequest('GET', `/torrents/${index}`);
}
// Function to get detailed statistics about a torrent (async/await)
async function getTorrentStats(index) {
return makeRequest('GET', `/torrents/${index}/stats`);
}
// Display function for listing all torrents with concise information (async/await)
async function displayTorrents() {
try {
const response = await makeRequest('GET', '/torrents');
const torrents = response.torrents;
// Create a container for all torrents using Bootstrap classes
const torrentsContainer = document.createElement('div');
torrentsContainer.classList.add('d-flex', 'flex-column', 'torrents-container');
for (const torrent of torrents) {
const detailsResponse = await getTorrentDetails(torrent.id);
const statsResponse = await getTorrentStats(torrent.id);
const totalBytes = detailsResponse.files.reduce((total, file) => total + file.length, 0);
const downloadedBytes = statsResponse.snapshot.have_bytes;
// Calculate download percentage
const downloadPercentage = (downloadedBytes / totalBytes) * 100;
// Create a container for each torrent using Bootstrap classes
const torrentContainer = document.createElement('div');
torrentContainer.classList.add('torrent-container', 'd-flex', 'flex-row', 'p-3', 'bg-light', 'rounded', 'mb-3');
// Display basic information about the torrent
const largestFileName = getLargestFileName(detailsResponse);
const downloadSpeed = statsResponse.download_speed.human_readable;
const eta = getCompletionETA(statsResponse);
// Create and append divs for concise information as columns
const nameColumn = createColumn('Name', largestFileName);
const sizeColumn = createColumn('Size', `${formatBytesToGB(totalBytes)} GB`);
const progressColumn = createColumnWithProgressBar('Progress', downloadPercentage);
const downloadSpeedColumn = createColumn('Download Speed', downloadSpeed);
const etaColumn = createColumn('ETA', eta);
// Append columns to the torrent container
torrentContainer.appendChild(nameColumn);
torrentContainer.appendChild(sizeColumn);
torrentContainer.appendChild(progressColumn);
torrentContainer.appendChild(downloadSpeedColumn);
torrentContainer.appendChild(etaColumn);
// Append the torrent container to the torrentsContainer
torrentsContainer.appendChild(torrentContainer);
}
// Replace the old content with the new one
const outputDiv = document.getElementById('output');
outputDiv.replaceChildren(torrentsContainer);
}
catch (error) {
console.error(error);
}
}
// Function to create a column div
function createColumn(label, value) {
const columnDiv = document.createElement('div');
columnDiv.classList.add('me-3', 'p-2');
columnDiv.innerHTML = `<p class="font-weight-bold">${label}</p><p>${value}</p>`;
return columnDiv;
}
// Function to create a column div with a progress bar
function createColumnWithProgressBar(label, percentage) {
const columnDiv = document.createElement('div');
columnDiv.classList.add('column', 'me-3', 'p-2');
columnDiv.innerHTML = `
<p class="font-weight-bold">${label}</p>
<div class="progress mb-1">
<div class="progress-bar" role="progressbar" style="width: ${percentage}%;"></div>
</div>
<p class="mb-1">${percentage.toFixed(2)}%</p>`;
return columnDiv;
}
// Function to format bytes to GB
function formatBytesToGB(bytes) {
const GB = bytes / (1024 * 1024 * 1024);
return GB.toFixed(2);
}
// Function to get the name of the largest file in a torrent
function getLargestFileName(torrentDetails) {
const largestFile = torrentDetails.files.reduce((prev, current) => (prev.length > current.length) ? prev : current);
return largestFile.name;
}
// Function to get the completion ETA of a torrent
function getCompletionETA(stats) {
if (stats.time_remaining) {
return stats.time_remaining.human_readable;
}
else {
return 'N/A';
}
}
// Helper function to display API errors in an alert
function displayApiError(error) {
const errorAlert = document.getElementById('error-alert');
if (errorAlert) {
errorAlert.innerHTML = `
<div class="alert alert-danger alert-dismissible fade show" role="alert">
<strong>Error ${error.status}:</strong> ${error.statusText}<br>
${error.body}
<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close" onclick="clearErrorAlert()"></button>
</div>
`;
}
}
// Helper function to clear the error alert
function clearErrorAlert() {
const errorAlert = document.getElementById('error-alert');
if (errorAlert) {
errorAlert.innerHTML = ''; // Clear the content
}
}
// List all torrents on page load and set up auto-refresh
async function init() {
try {
await displayTorrents();
autoRefreshTorrents(500); // Set the interval (in milliseconds), e.g., 5000 for every 5 seconds
}
catch (error) {
console.error(error);
}
}
// Function to refresh torrents at a specified interval
function autoRefreshTorrents(interval) {
setInterval(async () => {
await displayTorrents();
}, interval);
}
// Function to add a torrent from a magnet link
async function addTorrentFromMagnet() {
const magnetLink = prompt('Enter magnet link:');
if (magnetLink) {
await makeRequest('POST', '/torrents?overwrite=true', magnetLink);
await displayTorrents(); // Refresh the torrent list after adding a new torrent
}
}
// Function to handle file input change
async function handleFileInputChange() {
const fileInput = document.getElementById('file-input');
const file = fileInput.files?.[0];
if (file) {
await makeRequest('POST', '/torrents?overwrite=true', file);
await displayTorrents(); // Refresh the torrent list after adding a new torrent
}
}
// Add event listeners for buttons
document.getElementById('add-magnet-button')?.addEventListener('click', addTorrentFromMagnet);
// Update the event listener for the file input button
const fileInputButton = document.getElementById('upload-file-button');
fileInputButton?.addEventListener('click', () => {
const fileInput = document.getElementById('file-input');
fileInput.click();
});
document.getElementById('file-input')?.addEventListener('change', handleFileInputChange);
// Call init function on page load
document.addEventListener('DOMContentLoaded', init);