@Service
public class SpringAIService {
@Autowired
AiClient aiClient;
@Value("${spring.ai.openai.apikey}")
private String apiKey;
@Value("${spring.ai.openai.imageUrl}")
private String openAIImageUrl;
public String getJoke(String topic){
PromptTemplate promptTemplate = new PromptTemplate("""
Crafting a compilation of programming jokes for my website. Would you like me to create a joke about {topic}?
""");
promptTemplate.add("topic", topic);
return this.aiClient.generate(promptTemplate.create()).getGeneration().getText();
}
public String getBook(String category, String year) {
PromptTemplate promptTemplate = new PromptTemplate("""
I would like to research some books. Please give me a book about {category} in {year} to get started?
But pick the best best you can think of. I'm a book critic. Ratings are great help.
And who wrote it? And who help it? Can you give me a short plot summary and also it's name?
But don't give me too much information. I don't want any spoilers.
And please give me these details in the following JSON format: category, year, bookName, author, review, smallSummary.
""");
Map.of("category", category, "year", year).forEach(promptTemplate::add);
AiResponse generate = this.aiClient.generate(promptTemplate.create());
return generate.getGeneration().getText();
}
public InputStreamResource getImage(@RequestParam(name = "topic") String topic) throws URISyntaxException {
PromptTemplate promptTemplate = new PromptTemplate("""
I am really bored from online memes. Can you create me a prompt about {topic}.
Elevate the given topic. Make it sophisticated.
Make a resolution of 256x256, but ensure that it is presented in json.
I want only one image creation. Give me as JSON format: prompt, n, size.
""");
promptTemplate.add("topic", topic);
String imagePrompt = this.aiClient.generate(promptTemplate.create()).getGeneration().getText();
RestTemplate restTemplate = new RestTemplate();
HttpHeaders headers = new HttpHeaders();
headers.add("Authorization", "Bearer " + apiKey);
headers.add("Content-Type", "application/json");
HttpEntity httpEntity = new HttpEntity<>(imagePrompt,headers);
String imageUrl = restTemplate.exchange(openAIImageUrl, HttpMethod.POST, httpEntity, GeneratedImage.class)
.getBody().getData().get(0).getUrl();
byte[] imageBytes = restTemplate.getForObject(new URI(imageUrl), byte[].class);
assert imageBytes != null;
return new InputStreamResource(new java.io.ByteArrayInputStream(imageBytes));
}
}
@RestController@RequestMapping("/api/v1")public class SpringAIController {@AutowiredSpringAIService aiService;@GetMapping("/joke")public String getJoke(@RequestParam String topic) {return aiService.getJoke(topic);}@GetMapping("/book")public String getBook(@RequestParam(name = "category") String category, @RequestParam(name = "year") String year) {return aiService.getBook(category, year);}@GetMapping(value = "/image", produces = "image/jpeg")public ResponseEntitygetImage(@RequestParam(name = "topic") String topic) throws URISyntaxException {
Source: medium.com/version-1
