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81.8% NPS78% of our clients believe that Arbisoft is better than most other providers they have worked with.
Arbisoft is your one-stop shop when it comes to your eLearning needs. Our Ed-tech services are designed to improve the learning experience and simplify educational operations.
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“Arbisoft has been a valued partner to edX since 2013. We work with their engineers day in and day out to advance the Open edX platform and support our learners across the world.”
Get cutting-edge travel tech solutions that cater to your users’ every need. We have been employing the latest technology to build custom travel solutions for our clients since 2007.
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“Arbisoft has been my most trusted technology partner for now over 15 years. Arbisoft has very unique methods of recruiting and training, and the results demonstrate that. They have great teams, great positive attitudes and great communication.”
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I wanted to tell you how much I appreciate the work you and your team have been doing of all the overseas teams I've worked with, yours is the most communicative, most responsive and most talented.
We take pride in meeting the most complex needs of our clients and developing stellar fintech solutions that deliver the greatest value in every aspect.
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“Arbisoft is an integral part of our team and we probably wouldn't be here today without them. Some of their team has worked with us for 5-8 years and we've built a trusted business relationship. We share successes together.”
Unlock innovative solutions for your e-commerce business with Arbisoft’s seasoned workforce. Reach out to us with your needs and let’s get to work!
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The development team at Arbisoft is very skilled and proactive. They communicate well, raise concerns when they think a development approach wont work and go out of their way to ensure client needs are met.
Arbisoft is a holistic technology partner, adept at tailoring solutions that cater to business needs across industries. Partner with us to go from conception to completion!
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“Arbisoft partnered with Travelliance (TVA) to develop Accounting, Reporting, & Operations solutions. We helped cut downtime to zero, providing 24/7 support, and making sure their database of 7 million users functions smoothly.”
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Arbisoft was an invaluable partner in developing TripScanner, as they served as my outsourced website and software development team. Arbisoft did an incredible job, building TripScanner end-to-end, and completing the project on time and within budget at a fraction of the cost of a US-based developer.
Real-time communication enhances user experience (UX), and real-time updates on what has happened. You would not want to reload to check if you have received a message right? Or check if you have received any notifications. Following are just a few basic examples of real-time communication:
Some complex applications for real-time:
Web socket is a persistent, full-duplex communication channel between the client and server. Unlike HTTP, which is request-driven, WebSockets maintain a continuous connection, enabling real-time data exchange.
native WebSockets offer direct control, vs libraries like Socket.IO, SockJs offers the following:
Firebase, Google’s Backend-as-a-Service (BaaS) platform, offers a Realtime Database and Cloud Firestore, both of which support live synchronization of data across devices.
Real-time collaboration tools enable multiple users to work on the same document simultaneously. Let's move step-by-step to implement a collaborative document editor using Firebase for data persistence and WebSockets for real-time communication.
Create a New Project Directory
mkdir collaborative-editor
cd collaborative-editorInitialize a Node.js Project
npm init -yInstall Firebase SDK Inside the project directory:
npm install firebase
npm install -g http-serverSet Up the Directory Structure
mkdir client
Create a Firebase Project
Initialize Firebase in Your Project
// client/firebaseConfig.js
import { initializeApp } from "https://www.gstatic.com/firebasejs/9.22.2/firebase-app.js";
import { getDatabase } from "https://www.gstatic.com/firebasejs/9.22.2/firebase-database.js";
const firebaseConfig = {
apiKey: "YOUR_API_KEY",
authDomain: "YOUR_PROJECT_ID.firebaseapp.com",
databaseURL: "https://YOUR_PROJECT_ID.firebaseio.com",
projectId: "YOUR_PROJECT_ID",
storageBucket: "YOUR_PROJECT_ID.appspot.com",
messagingSenderId: "YOUR_MESSAGING_SENDER_ID",
appId: "YOUR_APP_ID"
};
const app = initializeApp(firebaseConfig);
export const db = getDatabase(app);
Create an HTML File Inside the client directory:
<!-- client/index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Collaborative Editor</title>
</head>
<body>
<textarea id="editor" style="width: 100%; height: 80vh;"></textarea>
<script src="./index.js" type="module"></script>
</body>
</html>
Implement Real-Time Synchronization:
// client/index.js
import { db } from "./firebaseConfig.js";
import {
ref,
onValue,
set,
} from "https://www.gstatic.com/firebasejs/9.22.2/firebase-database.js";
const docRef = ref(db, "documents/doc1");
const textArea = document.getElementById("editor");
// Listen for Firebase updates
onValue(docRef, (snapshot) => {
const data = snapshot.val();
if (data && textArea.value !== data.text) {
textArea.value = data.text;
}
});
// Save text to Firebase
textArea.addEventListener('input', () => {
const text = textArea.value;
set(docRef, { text });
});
To run the implementation
cd client
http-server
You should be able to do the following at this point.
Let's enhance the UI a little bit and add interesting features.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Collaborative Editor</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
height: 100vh;
background-color: #f4f4f9;
}
header {
background-color: #6200ea;
color: white;
padding: 1rem;
text-align: center;
}
textarea {
width: 100%;
height: calc(80vh - 2rem);
border: none;
resize: none;
padding: 1rem;
font-size: 1rem;
background: white;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
outline: none;
margin: 1rem auto;
}
footer {
text-align: center;
padding: 1rem;
font-size: 0.9rem;
background-color: #6200ea;
color: white;
}
button {
margin: 0.5rem;
padding: 0.5rem 1rem;
background: #6200ea;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background: #3700b3;
}
</style>
</head>
<body>
<header>
<h1>Collaborative Editor</h1>
</header>
<textarea id="editor" placeholder="Start typing..."></textarea>
<footer>
<button id="clearButton">Clear</button>
<button id="exportButton">Export</button>
</footer>
<script src="./index.js" type="module"></script>
</body>
</html>
Clear Text and Export Text
// Clear text for all users
document.getElementById("clearButton").addEventListener("click", () => {
if (confirm("Are you sure you want to clear the document?")) {
set(docRef, { text: "" });
}
});
// Export text to a .txt file
document.getElementById("exportButton").addEventListener("click", () => {
const text = textArea.value;
const blob = new Blob([text], { type: "text/plain" });
const link = document.createElement("a");
link.href = URL.createObjectURL(blob);
link.download = "document.txt";
link.click();
});
Update firebaseConfig.js (new presence logic):
import { initializeApp } from "https://www.gstatic.com/firebasejs/9.22.2/firebase-app.js";
import { getDatabase, ref, onDisconnect, set } from "https://www.gstatic.com/firebasejs/9.22.2/firebase-database.js";
const firebaseConfig = {
apiKey: "YOUR_API_KEY",
authDomain: "YOUR_PROJECT_ID.firebaseapp.com",
databaseURL: "https://YOUR_PROJECT_ID.firebaseio.com",
projectId: "YOUR_PROJECT_ID",
storageBucket: "YOUR_PROJECT_ID.appspot.com",
messagingSenderId: "YOUR_MESSAGING_SENDER_ID",
appId: "YOUR_APP_ID",
};
const app = initializeApp(firebaseConfig);
const db = getDatabase(app);
// User presence tracking
const userRef = ref(db, "users/" + Math.random().toString(36).substring(2));
set(userRef, true);
onDisconnect(userRef).remove();
export { db };
Update index.js:
// Updated imports
import { db } from "./firebaseConfig.js";
import {
ref,
onValue,
set,
onDisconnect,
get,
child,
} from "https://www.gstatic.com/firebasejs/9.22.2/firebase-database.js";
// User presence logic
const usersRef = ref(db, "users");
onValue(usersRef, (snapshot) => {
const users = snapshot.val() ? Object.keys(snapshot.val()).length : 0;
document.querySelector("header").innerHTML = `<h1>Collaborative Editor - ${users} Users Online</h1>`;
});
New database structure:
{
"documents": {
"doc1": {
"text": "Current content",
"history": {
"timestamp1": "Previous content",
"timestamp2": "Another previous content"
}
}
}
}
Update index.js:
// Save version history
textArea.addEventListener("input", () => {
const text = textArea.value;
const timestamp = Date.now();
set(docRef, { text });
set(ref(db, `documents/doc1/history/${timestamp}`), text);
});
// Revert to previous version
function revertToVersion(timestamp) {
get(child(docRef, `history/${timestamp}`)).then((snapshot) => {
if (snapshot.exists()) {
set(docRef, { text: snapshot.val() });
}
});
}
Finally, here is how your implementation should look and work:
Conflict Resolution
Offline Mode
Security
{
"rules": {
"documents": {
"$docId": {
".read": "auth != null",
".write": "auth != null"
}
}
}
}
Performance Optimization
Testing
I am a software engineer with 5 plus years of experience in development . I am passionate about creating things from scratch. Currently I am working as a software engineer at Arbisoft, where I deliver challenging tasks. I am always looking to learn more and implement cutting edge technologies.
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