Contract Management System

This is a contract management system that allows users to create, edit, update, and delete contracts. Users must be authenticated to manage their contracts. The system is built with a Node.js backend and a React frontend.

Features

• User Authentication (Signup and Login)
• Create, Read, Update, Delete (CRUD) operations for contracts
• Token-based authentication
• Protected routes for authenticated users

Technologies Used

• Backend: Node.js, Express.js, MongoDB, Mongoose
• Frontend: React, Axios, React Router
• Authentication: JSON Web Tokens (JWT)

Getting Started

Prerequisites

Make sure you have the following installed on your machine:

• Node.js (v14.x or later)
• npm (v6.x or later)
• MongoDB

Backend Setup

1. Clone the repository:

   git clone https://github.com/yourusername/contract-management-system.git
   cd contract-management-system

2. Install backend dependencies:

   npm install

3. Create a .env file in the root directory and add the following environment variables:

   DB_CONNECT=your_mongodb_connection_string
   TOKEN_SECRET=your_jwt_secret
   PORT=5000
   

4. Start the backend server:

   node server.js

Frontend Setup

1. Navigate to the frontend directory and install dependencies:

   cd frontend
   npm install

2. Start the React development server:

   npm start

The frontend application will be served at http://localhost:3000.

Usage

1. Signup: Create a new account by signing up.
2. Login: Login with your credentials.
3. Manage Contracts:
   • After logging in, you will be redirected to the contracts page.
   • You can view a list of your contracts.
   • You can create new contracts, edit existing ones, and delete contracts.

Project Structure

Backend

• server.js: Entry point of the backend server.
• routes/: Contains route definitions for user authentication and contract management.
• models/: Mongoose schemas for User and Contract.

Frontend

• src/components/: React components for Login, Signup, and Contract management.
• src/App.js: Main React component that sets up routing.

API Endpoints

User Routes

• POST /api/users/signup: Create a new user.
• POST /api/users/login: Authenticate a user and return a JWT.

Contract Routes

• GET /api/contacts: Get all contracts for the authenticated user.
• POST /api/contacts: Create a new contract.
• PUT /api/contacts/:id: Update an existing contract.
• DELETE /api/contacts/:id: Delete a contract.

License

This project is licensed under the MIT License. See the LICENSE file for details.

Contributing

Contributions are welcome! Please open an issue or submit a pull request for any changes or improvements.

Acknowledgements

• Thanks to all the open-source contributors for their invaluable work.