public Quote findRandomQuote()

in sessions/fall24/spring-ai-quotes-llm-in-gke/src/main/java/com/example/quotes/domain/QuoteLLMService.java [30:55]

• 22 lines of code
• 2 McCabe index (conditional complexity)

  public Quote findRandomQuote() {
    SystemMessage systemMessage = new SystemMessage("""
        You are a helpful AI assistant. 
        You are an AI assistant that helps people find information.
        You should reply to the user's request with your name and also in the style of a literary professor.
        """);
    UserMessage userMessage = new UserMessage("""
        Answer precisely; please provide a quote from a random book, 
        including only book, quote and author; do not repeat quotes from the same book
        return only 3 values, the book, the quote and the author, strictly in JSON format, wrapped in tripe backquotes ```json```, while eliminating every other text
        """);

    ChatResponse chatResponse = chatClient.call(new Prompt(List.of(systemMessage, userMessage),
        VertexAiGeminiChatOptions.builder()
            .temperature(0.4)
            .model(env.getProperty(VERTEX_AI_GEMINI_MODEL))
            .build())
    );
    Generation generation = chatResponse.getResult();
    String input = generation.getOutput().getText();


    System.out.printf("\nGemini Model provided response: \n%s\n", input);

    return Quote.parseQuoteFromJson(input);
  }