Leave Management System

A comprehensive leave management system built with Hapi.js, TypeORM, PostgreSQL, and React.

Project Structure

• client/ - React frontend application
• server/ - Hapi.js backend API

Prerequisites

• Node.js (v14 or higher)
• PostgreSQL (v12 or higher)

Setup Instructions

Server Setup

1. Navigate to the server directory:

   cd server
   

2. Install dependencies:

   npm install
   

3. Create a .env file in the server directory with the following content (adjust as needed):

   NODE_ENV=development
   PORT=3001
   
   # Database
   DB_HOST=localhost
   DB_PORT=5432
   DB_USERNAME=postgres
   DB_PASSWORD=your_password
   DB_DATABASE=leave_management
   
   # JWT
   JWT_SECRET=your_jwt_secret_key
   

4. Start the server:

   npm run dev
   

Client Setup

1. Navigate to the client directory:

   cd client
   

2. Install dependencies:

   npm install
   

3. Create a .env file in the client directory with the following content:

   REACT_APP_API_URL=http://localhost:3001/api
   

4. Start the client:

   npm start
   

Default Users

The system automatically creates 10 default users with various roles if they don't already exist:

Super Admins

• Email: john.smith@example.com, Password: Admin@123
• Email: sarah.johnson@example.com, Password: Admin@123

Managers

• Email: robert.miller@example.com, Password: Manager@123 (Engineering)
• Email: jennifer.davis@example.com, Password: Manager@123 (Marketing)

HR

• Email: susan.clark@example.com, Password: HR@123
• Email: richard.rodriguez@example.com, Password: HR@123

Employees

• Email: michael.brown@example.com, Password: Employee@123 (Engineering)
• Email: emily.wilson@example.com, Password: Employee@123 (Engineering)
• Email: david.taylor@example.com, Password: Employee@123 (Marketing)
• Email: lisa.martinez@example.com, Password: Employee@123 (Marketing)

Features

• User management with different roles (Super Admin, Manager, HR, Employee)
• Department and position tracking
• Leave request management
• Leave approval workflows
• Leave balance tracking
• Holiday management
• Dashboard with analytics

Scripts

Server Scripts

• npm run dev - Start the server in development mode
• npm run build - Build the server for production
• npm start - Start the server in production mode
• npm run ensure:default-users - Ensure default users exist in the database
• npm run migration:generate - Generate a new TypeORM migration
• npm run migration:run - Run pending TypeORM migrations
• npm run migration:revert - Revert the last TypeORM migration

Client Scripts

• npm start - Start the client in development mode
• npm run build - Build the client for production
• npm test - Run tests
• npm run eject - Eject from Create React App