363 lines
12 KiB
JavaScript

// When running OpenVidu locally, leave this variable empty
// For other deployment type, configure it with correct URL depending on your deployment
var LIVEKIT_URL = "";
configureLiveKitUrl();
const LivekitClient = window.LivekitClient;
var room;
function configureLiveKitUrl() {
// If LIVEKIT_URL is not configured, use default value from OpenVidu Local deployment
if (!LIVEKIT_URL) {
if (window.location.hostname === "localhost") {
LIVEKIT_URL = "ws://localhost:7880/";
} else {
LIVEKIT_URL = "wss://" + window.location.hostname + ":7443/";
}
}
}
async function joinRoom() {
// Disable 'Join' button
document.getElementById("join-button").disabled = true;
document.getElementById("join-button").innerText = "Joining...";
// Initialize a new Room object
room = new LivekitClient.Room();
// Specify the actions when events take place in the room
// On every new Track received...
room.on(LivekitClient.RoomEvent.TrackSubscribed, (track, _publication, participant) => {
addTrack(track, participant.identity);
});
// On every new Track destroyed...
room.on(LivekitClient.RoomEvent.TrackUnsubscribed, (track, _publication, participant) => {
track.detach();
document.getElementById(track.sid)?.remove();
if (track.kind === "video") {
removeVideoContainer(participant.identity);
}
});
room.on(LivekitClient.RoomEvent.RecordingStatusChanged, async (isRecording) => {
await updateRecordingInfo(isRecording);
});
try {
// Get the room name and participant name from the form
const roomName = document.getElementById("room-name").value;
const userName = document.getElementById("participant-name").value;
// Get a token from your application server with the room name and participant name
const token = await getToken(roomName, userName);
// Connect to the room with the LiveKit URL and the token
await room.connect(LIVEKIT_URL, token);
// Hide the 'Join room' page and show the 'Room' page
document.getElementById("room-title").innerText = roomName;
document.getElementById("join").hidden = true;
document.getElementById("room").hidden = false;
// Publish your camera and microphone
await room.localParticipant.enableCameraAndMicrophone();
const localVideoTrack = this.room.localParticipant.videoTrackPublications.values().next().value.track;
addTrack(localVideoTrack, userName, true);
await updateRecordingInfo(room.isRecording);
} catch (error) {
console.log("There was an error connecting to the room:", error.message);
await leaveRoom();
}
}
function addTrack(track, participantIdentity, local = false) {
const element = track.attach();
element.id = track.sid;
/* If the track is a video track, we create a container and append the video element to it
with the participant's identity */
if (track.kind === "video") {
const videoContainer = createVideoContainer(participantIdentity, local);
videoContainer.append(element);
appendParticipantData(videoContainer, participantIdentity + (local ? " (You)" : ""));
} else {
document.getElementById("layout-container").append(element);
}
}
async function leaveRoom() {
// Leave the room by calling 'disconnect' method over the Room object
await room.disconnect();
// Remove all HTML elements inside the layout container
removeAllLayoutElements();
// Back to 'Join room' page
document.getElementById("join").hidden = false;
document.getElementById("room").hidden = true;
// Enable 'Join' button
document.getElementById("join-button").disabled = false;
document.getElementById("join-button").innerText = "Join!";
}
window.onbeforeunload = () => {
room?.disconnect();
};
document.addEventListener("DOMContentLoaded", async function () {
var currentPage = window.location.pathname;
if (currentPage === "/recordings.html") {
await listRecordings();
} else {
generateFormValues();
}
});
function generateFormValues() {
document.getElementById("room-name").value = "Test Room";
document.getElementById("participant-name").value = "Participant" + Math.floor(Math.random() * 100);
}
function createVideoContainer(participantIdentity, local = false) {
const videoContainer = document.createElement("div");
videoContainer.id = `camera-${participantIdentity}`;
videoContainer.className = "video-container";
const layoutContainer = document.getElementById("layout-container");
if (local) {
layoutContainer.prepend(videoContainer);
} else {
layoutContainer.append(videoContainer);
}
return videoContainer;
}
function appendParticipantData(videoContainer, participantIdentity) {
const dataElement = document.createElement("div");
dataElement.className = "participant-data";
dataElement.innerHTML = `<p>${participantIdentity}</p>`;
videoContainer.prepend(dataElement);
}
function removeVideoContainer(participantIdentity) {
const videoContainer = document.getElementById(`camera-${participantIdentity}`);
videoContainer?.remove();
}
function removeAllLayoutElements() {
const layoutElements = document.getElementById("layout-container").children;
Array.from(layoutElements).forEach((element) => {
element.remove();
});
}
/**
* --------------------------------------------
* GETTING A TOKEN FROM YOUR APPLICATION SERVER
* --------------------------------------------
* The method below request the creation of a token to
* your application server. This prevents the need to expose
* your LiveKit API key and secret to the client side.
*
* In this sample code, there is no user control at all. Anybody could
* access your application server endpoints. In a real production
* environment, your application server must identify the user to allow
* access to the endpoints.
*/
async function getToken(roomName, participantName) {
const [error, body] = await httpRequest("POST", "/token", {
roomName,
participantName
});
if (error) {
throw new Error(`Failed to get token: ${error.message}`);
}
return body.token;
}
async function updateRecordingInfo(isRecording) {
const recordingButton = document.getElementById("recording-button");
const recordingText = document.getElementById("recording-text");
if (isRecording) {
recordingButton.disabled = false;
recordingButton.innerText = "Stop Recording";
recordingButton.className = "btn btn-danger";
recordingText.hidden = false;
} else {
recordingButton.disabled = false;
recordingButton.innerText = "Start Recording";
recordingButton.className = "btn btn-primary";
recordingText.hidden = true;
}
const roomId = await room.getSid();
await listRecordings(room.name, roomId);
}
async function manageRecording() {
const recordingButton = document.getElementById("recording-button");
if (recordingButton.innerText === "Start Recording") {
recordingButton.disabled = true;
recordingButton.innerText = "Starting...";
const [error, _] = await startRecording();
if (error && error.status !== 409) {
recordingButton.disabled = false;
recordingButton.innerText = "Start Recording";
}
} else {
recordingButton.disabled = true;
recordingButton.innerText = "Stopping...";
const [error, _] = await stopRecording();
if (error && error.status !== 409) {
recordingButton.disabled = false;
recordingButton.innerText = "Stop Recording";
}
}
}
async function startRecording() {
return await httpRequest("POST", "/recordings/start", {
roomName: room.name
});
}
async function stopRecording() {
return await httpRequest("POST", "/recordings/stop", {
roomName: room.name
});
}
async function deleteRecording(recordingName) {
const [error, _] = await httpRequest("DELETE", `/recordings/${recordingName}`);
if (!error || error.status === 404) {
const roomId = await room?.getSid();
await listRecordings(room?.name, roomId);
}
}
async function listRecordings(roomName, roomId) {
const url = "/recordings" + (roomName ? `?roomName=${roomName}` + (roomId ? `&roomId=${roomId}` : "") : "") ;
const [error, body] = await httpRequest("GET", url);
if (!error) {
const recordings = body.recordings;
showRecordingList(recordings);
}
}
async function listRecordingsByRoom() {
const roomName = document.getElementById("room-name").value;
await listRecordings(roomName);
}
async function httpRequest(method, url, body) {
try {
const response = await fetch(url, {
method,
headers: {
"Content-Type": "application/json"
},
body: method !== "GET" ? JSON.stringify(body) : undefined
});
const responseBody = await response.json();
if (!response.ok) {
console.error(responseBody.errorMessage);
const error = {
status: response.status,
message: responseBody.errorMessage
};
return [error, undefined];
}
return [undefined, responseBody];
} catch (error) {
console.error(error.message);
const errorObj = {
status: 0,
message: error.message
};
return [errorObj, undefined];
}
}
function showRecordingList(recordings) {
const recordingsList = document.getElementById("recording-list");
if (recordings.length === 0) {
recordingsList.innerHTML = "<span>There are no recordings available</span>";
} else {
recordingsList.innerHTML = "";
}
recordings.forEach((recording) => {
const recordingName = recording.name;
const recordingSize = formatBytes(recording.size ?? 0);
const recordingDate = new Date(recording.startedAt).toLocaleString();
const recordingContainer = document.createElement("div");
recordingContainer.className = "recording-container";
recordingContainer.id = recordingName;
recordingContainer.innerHTML = `
<i class="fa-solid fa-file-video"></i>
<div class="recording-info">
<p class="recording-name">${recordingName}</p>
<p class="recording-size">${recordingSize}</p>
<p class="recording-date">${recordingDate}</p>
</div>
<div class="recording-actions">
<button title="Play" class="icon-button" onclick="displayRecording('${recordingName}')">
<i class="fa-solid fa-play"></i>
</button>
<button title="Delete" class="icon-button delete-button" onclick="deleteRecording('${recordingName}')">
<i class="fa-solid fa-trash"></i>
</button>
</div>
`;
recordingsList.append(recordingContainer);
});
}
function displayRecording(recordingName) {
const recordingVideoDialog = document.getElementById("recording-video-dialog");
recordingVideoDialog.showModal();
const recordingVideo = document.getElementById("recording-video");
recordingVideo.src = `/recordings/${recordingName}`;
}
function closeRecording() {
const recordingVideoDialog = document.getElementById("recording-video-dialog");
recordingVideoDialog.close();
}
function formatBytes(bytes) {
if (bytes === 0) {
return "0Bytes";
}
const k = 1024;
const sizes = ["Bytes", "KB", "MB", "GB"];
const i = Math.floor(Math.log(bytes) / Math.log(k));
const decimals = i < 2 ? 0 : 1;
return (bytes / Math.pow(k, i)).toFixed(decimals) + sizes[i];
}