sb3-spring-AI-prompt-to-entity

A Spring Boot application that leverages Spring AI and Gemini to generate personalized book recommendations for customers, mapping AI responses to structured entities.

Overview

This service provides AI-generated book recommendations through a simple REST API. It formats recommendations either as plain text or as structured Book entities with complete metadata.

API Endpoints

1. Simple Recommendation

GET /

Returns a text-based book recommendation.

Parameters:

• topic - Book subject (default: "AI and coding")
• language - Recommendation language (default: "English")

2. Structured Book Data

GET /book

Returns a fully structured book recommendation with complete metadata including title, authors, ISBN, price, description, etc.

Parameters:

• topic - Book subject (default: "AI and coding")
• language - Recommendation language (default: "English")

Technology Stack

• Spring Boot 3.4.4
• Spring AI 1.0.0-M7
• Google Gemini AI API (gemini-2.0-flash model)
• Java 21

Configuration

The application requires a Gemini API key set as the GEMINI_API_KEY environment variable.

Example Usage

GET /book?topic=machine%20learning&language=French

Returns a structured book recommendation about machine learning in French.