Blog Pessoal - CRUD API with Spring Boot

This is a CRUD RESTful API project developed during the Generation Brazil Bootcamp using Java and Spring Boot. It simulates a simple blogging platform with user authentication, posts, and topic management.

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🚀 Technologies

• Java 17
• Spring Boot
• Spring Web / Data JPA / Security
• Hibernate
• JWT (JSON Web Token)
• PostgreSQL (or compatible RDBMS)
• Maven

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⚙️ Features

• ✅ User registration, login, and update with JWT authentication
• ✅ Create, read, update, and delete blog posts
• ✅ Create, read, update, and delete related topics
• ✅ Password encryption using BCrypt
• ✅ Secure endpoints with token validation

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📌 API Endpoints

🔐 User Authentication

Method	Route	Description
POST	/usuarios/logar	Authenticate user and return JWT token
POST	/usuarios/cadastrar	Register a new user
PUT	/usuarios/atualizar	Update user information
GET	/usuarios/all	Get all users
GET	/usuarios/{id}	Get user by ID
GET	/usuarios/usuario/{usuario}	Get user by username

📝 Post Management

Method	Route	Description
GET	/postagens	List all posts
GET	/postagens/{id}	Get post by ID
GET	/postagens/titulo/{titulo}	Search posts by title
POST	/postagens	Create a new post
PUT	/postagens	Update an existing post
DELETE	/postagens/{id}	Delete a post by ID

🏷️ Topic Management

Method	Route	Description
GET	/temas	List all topics
GET	/temas/{id}	Get topic by ID
GET	/temas/descricao/{descricao}	Search topics by description
POST	/temas	Create a new topic
PUT	/temas	Update an existing topic
DELETE	/temas/{id}	Delete a topic by ID

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🔐 Authenticated Requests

All protected endpoints require a JWT token in the request header: Authorization: Bearer <your_token_here>

Example login:

POST /usuarios/logar
Content-Type: application/json

{
  "usuario": "email@example.com",
  "senha": "123456"
}

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▶️ Running Locally

Prerequisites

• Java 17 installed
• Maven installed
• PostgreSQL running and configured
• IDE (e.g. IntelliJ, Eclipse, VSCode)

Configuration

1. Clone the repository:

   git clone https://github.com/your-username/blogpessoal.git
   cd blogpessoal

2. Configure the database in src/main/resources/application.properties:

spring.datasource.url=jdbc:postgresql://localhost:5432/blogpessoal spring.datasource.username=your_db_user spring.datasource.password=your_db_password

spring.jpa.hibernate.ddl-auto=update spring.jpa.show-sql=true

3. Build and run:

 mvn spring-boot:run

5. Access the API at:

http://localhost:8080