Attendance By Intelligence (ABI) 🚀

A smart attendance tracking system with automated verification, analytics, and WhatsApp integration for absentee alerts.

🌟 Features

• Smart Attendance: Mark attendance easily with a toggle-based UI.
• WhatsApp Integration: Automatically send absentee lists to WhatsApp groups.
• Student Management: Manual registration and bulk Excel import.
• Analytics Dashboard: Visualize attendance trends and download detailed reports.
• Security: Role-based access control (Admin/Staff) and JWT-based authentication.

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🛠️ Setup & Installation

Follow these steps to get the project running on your local machine.

1. Prerequisites

• Node.js (v14 or higher recommended)
• Git

2. Clone the Repository

Open your terminal or command prompt and run:

git clone https://github.com/javal-gttc/attendanceByIntelligence.git
cd "attendanceByIntelligence"

3. Install Dependencies

Install all required Node.js packages:

npm install

4. Configure Environment Variables

Create a file named .env in the root directory and add the following (replace placeholders with your actual Supabase credentials):

PORT=5000
SUPABASE_URL=YOUR_SUPABASE_PROJECT_URL
SUPABASE_KEY=YOUR_SUPABASE_SERVICE_ROLE_KEY
JWT_SECRET=your_random_secret_string

5. Supabase Database Setup

Create a Supabase project and run the following tables in the SQL Editor:

• students: (id, name, register_number, section)
• attendance_records: (id, student_id, status, section, attendance_date, recorded_by)
• users: (id, username, password, role, uid)

6. Run the Project

Start the server:

npm start

The application will be available at http://localhost:5000.

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📱 Usage

1. Login: Use your authorized credentials.
2. Mark Attendance: Select a section, mark students, and click "Finalize Attendance".
3. WhatsApp Redirect: If there are absentees, a prompt will appear. Click "OK" to open WhatsApp with the pre-filled list.
4. Analytics: Go to the Analytics tab to view trends and download reports.

🛠️ Built With

• Frontend: Vanilla HTML5, CSS3, JavaScript
• Backend: Node.js, Express.js
• Database: Supabase (PostgreSQL)
• Utilities: Chart.js, XLSX, JWT