Request Queue System

Overview

The Request Queue System is a web-based application built using HTML, CSS, and JavaScript. It manages requests using the Queue (FIFO - First In First Out) data structure and allows users to add, process, and cancel requests while tracking their status.

Features

• Add new requests
• Process requests in FIFO order
• Cancel requests
• View request status
• Display queue statistics
• Dynamic user interface

Technologies Used

• HTML
• CSS
• JavaScript
• Git
• GitHub

Project Structure

request-queue-system/

├── index.html

├── style.css

├── queue.js

└── app.js

Queue Operations

addRequest()

Adds a new request to the queue with a "Pending" status.

processNext()

Processes the first pending request and changes its status to "Processed".

cancelRequest(id)

Cancels a request based on its ID.

getStats()

Returns:

• Total Requests
• Pending Requests
• Processed Requests
• Cancelled Requests

How to Run the Project

1. Clone the repository: git clone https://github.com/thripurarirajesh/request-queue-system.git

2. Open the project folder in VS Code.

3. Open index.html using Live Server.

4. Add requests and manage them through the interface.

Workflow

1. User enters a request.
2. Request is added to the queue.
3. Requests are displayed in a table.
4. User can process or cancel requests.
5. Statistics update automatically.

Sample Output

• Add Request → Pending
• Process Request → Processed
• Cancel Request → Cancelled

Future Enhancements

• Request priority levels
• Search functionality
• Local storage support
• User authentication
• Request timestamps

• Test Cases

Test Case 1: Add Request

Input: Login Request

Expected Result:

• Request added successfully
• Status = Pending

Test Case 2: Empty Input

Input: Empty Request

Expected Result:

• Alert message displayed

Test Case 3: Process Request

Action: Click Process Next

Expected Result:

• First pending request becomes Processed

Test Case 4: Cancel Request

Action: Click Cancel

Expected Result:

• Request status becomes Cancelled

Author

Thripurari Rajesh

GitHub: https://github.com/thripurarirajesh