Spring AI with Java

@RestController
public class AIController {
    
    @Autowired
    private ChatClient chatClient;
    
    @Autowired
    private TranscriptionModel transcriptionModel;
    
    @Autowired
    private TextToSpeechModel speechModel;
    
    @PostMapping("/chat")
    public String chat(@RequestBody String prompt) {
        return chatClient.call(prompt);
    }
    
    @PostMapping("/transcribe")
    public String transcribe(@RequestParam MultipartFile audio) {
        Resource audioResource = audio.getResource();
        return transcriptionModel.transcribe(audioResource);
    }
    
    @PostMapping(value = "/text-to-speech", produces = "audio/mpeg")
    public byte[] textToSpeech(@RequestBody String text) {
        return speechModel.call(text);
    }
}