Visa Management System - Backend

Description:

This repository contains the backend of the Visa Management System, a web application that allows users to manage visa information, apply for visas, and handle visa-related operations. The backend is built using Node.js, Express, and MongoDB, with RESTful APIs for seamless integration with the frontend.

Key Features

1. Visa Management

   • Add, edit, and delete visa details.
   • Retrieve all visas or filter visas by type.
   • Access the latest visas with sorting and limit options.

2. Visa Application Management

   • Submit visa applications.
   • Retrieve applications by user email.
   • Delete specific visa applications.

3. User Authentication Integration

   • Routes designed to integrate with user authentication for personalized data retrieval.

4. Filtering and Searching

   • Filter visas by type or retrieve user-specific visas and applications based on email.

5. Database Operations

   • Optimized MongoDB queries with upsert and sorting capabilities.
   • Ensure efficient data handling and avoid duplicate entries with query checks.

API Endpoints

Visa Routes

• GET /all-visas - Fetch all visa records.
• GET /latest-visas - Fetch the latest visas (limited to 6).
• POST /add-visa - Add a new visa record.
• POST /my-visas - Fetch visas by user email.
• POST /visas/filter-by-visa-type - Filter visas by visa type.
• GET /visas/:id - Fetch details of a specific visa by ID.
• PUT /visas/:id - Update an existing visa by ID.
• DELETE /visas/:id - Delete a specific visa by ID.

Visa Application Routes

• POST /application/my-applications - Fetch all applications for a user by email.
• POST /application/add - Add a new visa application.
• DELETE /application/my-applications/:id - Delete a specific visa application by ID.

NPM Packages Used

1. express - Web framework for building RESTful APIs.
2. cors - Enable Cross-Origin Resource Sharing.
3. dotenv - Manage environment variables.
4. mongodb - MongoDB client for database operations.

.env Setup

To securely manage environment variables, create a .env file in the root of your project and include the following:

PORT = port number DB_USER = username DB_Pass = db pass

Local Installation Guide

Follow the steps below to set up and run the project locally:

1. Clone the repository:
2. Run npm install
3. Run npm run start for node or npm run dev for nodemon