PrivateCoffee/transfer.coffee
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feat: improve upload feedback and peer tracking

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Enhanced the file upload feature by replacing the progress bar with a dynamic stats display showing the total amount uploaded and number of peers. Also introduced better differentiation between upload and download sections, improving UI clarity. Added a utility function for generating peer ID hashes.

Refactoring ensures users can more easily monitor file sharing progress and understand network interactions.
This commit is contained in:
Kumi 2024-06-15 09:27:23 +02:00
parent 6b361e3839
commit 93704705c8
Signed by: kumi
GPG key ID: ECBCC9082395383F
2 changed files with 44 additions and 15 deletions
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47
public/js/index.js
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@ -9,7 +9,7 @@ async function getRTCIceServers() {
async function uploadFile() {
const fileInput = document.getElementById("fileInput");
const file = fileInput.files[0];
const uploadProgressBar = document.getElementById("uploadProgressBar");
const uploadStats = document.getElementById("uploadStats");
if (!file) {
alert("Please select a file to upload.");
@ -25,23 +25,49 @@ async function uploadFile() {
rtcConfig: rtcConfig,
};
client.seed(file, opts, (torrent) => {
client.seed(file, opts, async (torrent) => {
downloadSection.style.display = 'none';
uploadSection.style.display = 'block';
fetch(`/generate-mnemonic/${torrent.infoHash}`)
.then((response) => response.json())
.then((data) => {
const uploadResult = document.getElementById("uploadResult");
uploadResult.innerHTML = `<p>Sharing your file. Share this mnemonic: <strong>${data.mnemonic}</strong></p>
<p>The file will be available for download as long as you keep this page open.</p>`;
uploadResult.innerHTML = `File uploaded. Share this mnemonic: <strong>${data.mnemonic}</strong>`;
});
torrent.on("upload", () => {
const progress = Math.round((torrent.uploaded / torrent.length) * 100);
uploadProgressBar.style.width = `${progress}%`;
uploadProgressBar.textContent = `${progress}%`;
});
let totalPeers = 0;
const seenPeers = new Set();
setInterval(async () => {
for (const wire of torrent.wires) {
let peerIdHash;
try {
peerIdHash = await sha256(wire.peerId);
} catch (e) {
peerIdHash = wire.peerId;
}
if (!seenPeers.has(peerIdHash)) {
seenPeers.add(peerIdHash);
totalPeers += 1;
}
}
const uploaded = (torrent.uploaded / (1024 * 1024)).toFixed(2);
uploadStats.innerHTML = `Uploaded: ${uploaded} MB to ${totalPeers} peer(s)`;
}, 1000);
});
}
async function sha256(str) {
const buffer = new TextEncoder().encode(str);
const hash = await crypto.subtle.digest("SHA-256", buffer);
return Array.from(new Uint8Array(hash))
.map((b) => b.toString(16).padStart(2, "0"))
.join("");
}
async function downloadFile() {
const mnemonicInput = document.getElementById("mnemonicInput").value;
const downloadProgressBar = document.getElementById("downloadProgressBar");
@ -66,6 +92,9 @@ async function downloadFile() {
};
client.add(torrentId, opts, (torrent) => {
downloadSection.style.display = 'block';
uploadSection.style.display = 'none';
torrent.files[0].getBlob((err, blob) => {
if (err) {
const downloadResult = document.getElementById("downloadResult");

12
views/index.ejs
View file

@ -8,16 +8,14 @@
<body>
<div class="container">
<h1>Transfer.coffee</h1>
<div class="section">
<div class="section" id="uploadSection">
<h2>Share File</h2>
<input type="file" id="fileInput" />
<button onclick="uploadFile()">Share</button>
<div class="progress" id="uploadProgress">
<div class="progress-bar" id="uploadProgressBar">0%</div>
</div>
<div class="result" id="uploadResult"></div>
<div class="result" id="uploadStats"></div>
</div>
<div class="section">
<div class="section" id="downloadSection">
<h2>Receive File</h2>
<input type="text" id="mnemonicInput" placeholder="Enter mnemonic" />
<button onclick="downloadFile()">Receive</button>
@ -27,7 +25,9 @@
<div class="result" id="downloadResult"></div>
</div>
</div>
<script>const trackerUrl = "<%= trackerUrl %>";</script>
<script>
const trackerUrl = "<%= trackerUrl %>";
</script>
<script src="/js/index.js"></script>
</body>
</html>