Files
int-layer/src.bak/main/java/com/example/controller/LlmResponseTunerController.java
2026-02-20 19:32:54 +00:00

86 lines
3.8 KiB
Java

/*
* Copyright 2025 Google. This software is provided as-is, without warranty or representation for any use or purpose.
* Your use of it is subject to your agreement with Google.
*/
package com.example.controller;
import com.example.dto.llm.webhook.WebhookRequestDTO;
import com.example.dto.llm.webhook.SessionInfoDTO;
import com.example.dto.llm.webhook.WebhookResponseDTO;
import com.example.service.llm.LlmResponseTunerService;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
@RestController
@RequestMapping("/api/v1/llm")
public class LlmResponseTunerController {
private static final Logger logger = LoggerFactory.getLogger(LlmResponseTunerController.class);
private final LlmResponseTunerService llmResponseTunerService;
public LlmResponseTunerController(LlmResponseTunerService llmResponseTunerService) {
this.llmResponseTunerService = llmResponseTunerService;
}
@PostMapping("/tune-response")
public Mono<WebhookResponseDTO> tuneResponse(@RequestBody WebhookRequestDTO request) {
String uuid = (String) request.getSessionInfo().getParameters().get("uuid");
return llmResponseTunerService
.getValue(uuid)
.map(
value -> {
Map<String, Object> parameters = new HashMap<>();
parameters.put("webhook_success", true);
parameters.put("response", value);
SessionInfoDTO sessionInfo = new SessionInfoDTO(parameters);
return new WebhookResponseDTO(sessionInfo);
})
.defaultIfEmpty(createErrorResponse("No response found for the given UUID.", false))
.onErrorResume(
e -> {
logger.error("Error tuning response: {}", e.getMessage());
return Mono.just(
createErrorResponse("An internal error occurred.", true));
});
}
private WebhookResponseDTO createErrorResponse(String errorMessage, boolean isError) {
Map<String, Object> parameters = new HashMap<>();
parameters.put("webhook_success", false);
parameters.put("error_message", errorMessage);
SessionInfoDTO sessionInfo = new SessionInfoDTO(parameters);
return new WebhookResponseDTO(sessionInfo);
}
@ExceptionHandler(Exception.class)
public ResponseEntity<Map<String, String>> handleException(Exception e) {
logger.error("An unexpected error occurred: {}", e.getMessage());
Map<String, String> response = new HashMap<>();
response.put("error", "Internal Server Error");
response.put("message", "An unexpected error occurred. Please try again later.");
return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
}
@ExceptionHandler(IllegalArgumentException.class)
public ResponseEntity<Map<String, String>> handleIllegalArgumentException(
IllegalArgumentException e) {
logger.error("Bad request: {}", e.getMessage());
Map<String, String> response = new HashMap<>();
response.put("error", "Bad Request");
response.put("message", e.getMessage());
return new ResponseEntity<>(response, HttpStatus.BAD_REQUEST);
}
}