🚀 Dayflow — Simple Attendance & Leave Management System

Dayflow is a lightweight HR attendance & leave management system built during a hackathon using Node.js, Express, SQLite, and Vanilla JavaScript.
It demonstrates a secure, role-based HR workflow with JWT authentication and real-time approvals.

---

🎯 Key Features

👤 Employee

• Secure login & registration
• Daily Check-In / Check-Out
• View personal attendance history
• Apply for leave & track status

🧑‍💼 HR / Admin

• Secure HR login
• View employee attendance by date
• Approve or deny leave requests
• Role-based access control

---

🧱 Tech Stack

• Frontend: HTML, CSS, Bootstrap, JavaScript
• Backend: Node.js, Express
• Database: SQLite
• Authentication: JWT (JSON Web Token)

---

📂 Project Folder Structure

DAYFLOW/
│
├── node_modules/              # Installed dependencies
│
├── public/                    # Frontend (static files)
│   ├── css/
│   │   ├── login.css
│   │   └── signup.css
│   │
│   ├── js/
│   │   ├── auth.js            # Login & signup logic
│   │   ├── dashboard.js       # Employee dashboard logic
│   │   ├── admin.js           # HR dashboard logic
│   │   └── leaves.js          # Leave management logic
│   │
│   ├── login.html             # Login page
│   ├── signup.html            # Signup page
│   ├── dashboard.html         # Employee dashboard
│   ├── admin.html             # HR dashboard
│   └── leaves.html            # Leave application page
│
├── server/                    # Backend (Express API)
│   ├── routes/
│   │   ├── auth.js             # Auth routes (login/register)
│   │   ├── attendance.js       # Attendance APIs
│   │   └── leaves.js           # Leave APIs
│   │
│   ├── auth.js                 # JWT verification middleware
│   ├── db.js                   # SQLite DB connection
│   └── server.js               # Express app entry point
│
├── database.sqlite             # SQLite database file
├── package.json                # Project metadata & scripts
├── package-lock.json
├── .gitignore
└── README.md                   # Project documentation

---

⚙️ Installation & Running the Project

1. Clone the repo:

git clone https://github.com/VishvaNarkar/Dayflow.git
cd Dayflow

2️. Install dependencies:

npm install

3. Start the server:

npm start

The application runs at:

http://localhost:3000

---

🔐 Authentication Flow

• Users log in using email & password
• Server returns a JWT token
• Token is stored in localStorage
• Token is sent in the Authorization header for protected APIs

⚠️ Current implementation expects the raw token (no Bearer prefix).

---

🌐 API Endpoints Overview

Auth

• POST /api/auth/register
• POST /api/auth/login
• GET /api/auth/users (HR only)

Attendance

• POST /api/attendance/checkin
• POST /api/attendance/checkout
• GET /api/attendance/my
• GET /api/attendance/list?date=YYYY-MM-DD (HR only)

Leave

• POST /api/leave/apply
• GET /api/leave/my
• GET /api/leave/pending (HR only)
• POST /api/leave/decision/:id (HR only)

---

🏆 Hackathon Focus

This project prioritizes:

• ✅ End-to-end working flow
• ✅ Clean architecture
• ✅ Role-based access control
• ✅ Real database usage
• ✅ Secure authentication

---

🚧 Future Improvements

• Use Authorization: Bearer <token> format
• Add charts & analytics dashboard
• Improve UI & validation
• Add automated tests

---

👨‍💻 Authors

Built with ❤️ during a hackathon by Team Dayflow

Vishva Narkar

Om Prajapati

Vishal Mali

---