AI-Powered Personalized Fitness & Diet Planner

This project is a Next.js application that integrates Supabase, Prisma ORM, and NextAuth to provide authentication, user management, fitness tracking, and AI-powered diet planning.

---

Tech Stack

• Frontend: Next.js (App Router), Tailwind CSS, ShadCN UI
• Backend: Supabase (PostgreSQL), Prisma ORM
• Authentication: Auth.js (Google, GitHub, LinkedIn, Discord, Credentials)
• State Management: React Hook Form + Zod for validation

---

Setup Instructions

Clone the Repository

git clone https://github.com/kautilyadevaraj/FitnessTracker
cd project-repo

Install Dependencies

npm install

Set Up Environment Variables

Create a .env.local file in the root directory and add the following:

# OAuth Provider Credentials (Get from Google, GitHub, LinkedIn, Discord)
GOOGLE_CLIENT_ID=your-google-client-id
GOOGLE_CLIENT_SECRET=your-google-client-secret
GITHUB_CLIENT_ID=your-github-client-id
GITHUB_CLIENT_SECRET=your-github-client-secret
LINKEDIN_CLIENT_ID=your-linkedin-client-id
LINKEDIN_CLIENT_SECRET=your-linkedin-client-secret
DISCORD_CLIENT_ID=your-discord-client-id
DISCORD_CLIENT_SECRET=your-discord-client-secret

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

DATABASE_URL="postgresql://postgres:{password}@db.laeifhkkahjbafs.supabase.co:5432/postgres"

Note: Keep these credentials private and do not commit them to GitHub.

Set Up Supabase & Prisma

Ensure Supabase PostgreSQL is correctly set up and linked to Prisma ORM.

Run Prisma Migrations

npx prisma generate
npx prisma migrate dev --name init

Open Prisma Studio (Optional, for testing)

npx prisma studio

This opens a database GUI to manage users, accounts, and sessions.

---

Running the Project

Start the Development Server

npm run dev

Your app will be available at http://localhost:3000.

---

Features to Test

Authentication

• Sign up/login using:
  • Google, GitHub, LinkedIn, Discord
  • Email + Password (Credentials Provider)
• Check if the same email across different providers links to a single user.

User Profile & Data Storage

• User data should be stored in Supabase PostgreSQL.
• CRUD operations should work without errors.

Security

• Ensure Row-Level Security (RLS) prevents unauthorized access.
• Test session persistence across page reloads.

---

Debugging & Logs

If you face issues, check:

• Server Logs:

  npm run dev

• API Logs:
  Visit /api/auth/session to inspect authentication.
• Database Logs:

  npx prisma studio

---

Contribution Guidelines

1. Fork the repository & clone it locally.
2. Create a new branch:

   git checkout -b feature-branch

3. Commit changes with meaningful messages:

   git commit -m "Added XYZ feature"

4. Push to GitHub and create a Pull Request (PR).

---

License

This project is open-source and available under the MIT License.

---

Next Steps

• Implement AI-powered fitness and diet plan suggestions.
• Optimize database queries for performance.
• Add more test cases for edge scenarios.

---

Happy coding! For any questions, reach out to the team!