A backend-only blog application built with Spring Boot. It supports JWT authentication, image storage in MySQL (BLOB with compression & decompression), and AI-powered summarization using Hugging Face.

✅ User Authentication (JWT-based login & registration)
✅ Create, Update, Delete, and Fetch Blogs
✅ AI-Powered Blog Summarization (via facebook/bart-large-cnn)
✅ Pagination & Sorting (for efficient blog retrieval)
✅ Blog Image Uploads (Stored in MySQL as compressed BLOBs)
✅ Comments System (Users can comment on blogs)

• Spring Boot 3.4.0 - Backend framework
• Spring Security & JWT - Authentication & Authorization
• Spring Data JPA & MySQL - Database & ORM
• WebClient - External API calls (Hugging Face)
• Docker - Deployment (Planned)

git clone https://github.com/Devansh-ds/BlogApplication cd BlogApplication

Edit the application.yml file and set:

URL=jdbc:mysql://localhost:3306/<your-schema-name> USERNAME= <your-username> PASSWORD= <your-passowrd> HUGGINGFACE_API_KEY= Bearer <hugging-face-token> 

mvn spring-boot:run

or

docker-compose up --build

• POST /auth/register → Register a new user
• POST /auth/login → Authenticate & get JWT
• POST /auth/logout → To logout from the application

• POST /api/v1/blog → Create a new blog
• GET /api/v1/blog → Fetch all blogs (with pagination & sorting)
• GET /api/v1/blog/{id} → Get a blog by ID
• GET /api/v1/blog/{id}/summarize → Get AI-generated summary
• DELETE /api/v1/blog/{id}/ → Delete blog by blogId
• PUT /api/v1/blog/{id}/ → Update blog by blogId

• POST /api/v1/comment/blog/{id} → Add a comment
• GET /api/v1/comment/blogs/{id} → Get all comments for a blog
• GET /api/v1/comment/{id} → Get comment by comment Id
• GET /api/v1/comment/{id} → Get comment by comment Id
• PUT /api/v1/comment/{id} → Update comment made by the user
• DELETE /api/v1/comment/{id} → Delete comment made by the user

• Images are stored in MySQL as BLOB (byte[]).
• Compression is applied before saving, and decompression happens while fetching.

• Role-Based Access Control (RBAC) (Currently, Admin role is not implemented)
• Swagger API Documentation

This project is open-source under the MIT License.