AskJiffy – Backend

This is the backend API for a fullstack ChatGPT-style web application, built with ASP.NET Core, and integrated with Google Gemini for generative AI to stream answers to the UI.

🛠️ Tech Stack && Tools used

• ASP.NET Core Web API
• Entity Framework Core with SQL Server
• JWT Authentication (Google ID Tokens)
• Swagger/OpenAPI for API documentation
• Dependency Injection (BL/DAL/DAO pattern)
• Google Gemini API integration

🔐 Authentication

• Uses JWT Bearer authentication via Google Sign-In.
• API endpoints are secured with middleware that validates ID tokens issued by Google.

🤖 AI Services

• Gemini (Google): Configured with Gemini Flash 2.0 model, via API key and custom domain.

🌐 Frontend

You can find the frontend repository here:
👉 Frontend Repo

📁 Project Structure

• askJiffy_service/
  • Controllers/ – Handles incoming requests from the frontend
  • Business/ – Business logic layer (BL, DAL)
  • Models/ – Data models
  • Repository/ – Data access layer (DAOs)
  • Services/ – Extensions and service registration
  • Program.cs – Application entry and DI setup