101 lines
4.6 KiB
Java
101 lines
4.6 KiB
Java
/*
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* Copyright 2025 Google. This software is provided as-is, without warranty or representation for any use or purpose.
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* Your use of it is subject to your agreement with Google.
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*/
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package com.example.mapper.conversation;
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import com.google.cloud.dialogflow.cx.v3.QueryResult;
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import com.google.cloud.dialogflow.cx.v3.ResponseMessage;
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import com.google.cloud.dialogflow.cx.v3.DetectIntentResponse;
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import com.example.dto.dialogflow.base.DetectIntentResponseDTO;
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import com.example.dto.dialogflow.conversation.QueryResultDTO;
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import com.example.util.ProtobufUtil;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.stream.Collectors;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Component;
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/**
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* Spring component responsible for mapping a Dialogflow CX API response
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* (`DetectIntentResponse`) to a simplified custom DTO (`DetectIntentResponseDTO`).
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* It extracts and consolidates the fulfillment text, and converts Protobuf
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* session parameters into standard Java objects, providing a clean and
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* decoupled interface for consuming Dialogflow results.
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*/
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@Component
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public class DialogflowResponseMapper {
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private static final Logger logger = LoggerFactory.getLogger(DialogflowResponseMapper.class);
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public DetectIntentResponseDTO mapFromDialogflowResponse(DetectIntentResponse response, String sessionId) {
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logger.info("Starting mapping of Dialogflow DetectIntentResponse for session: {}", sessionId);
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String responseId = response.getResponseId();
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QueryResult dfQueryResult = response.getQueryResult();
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logger.debug("Extracted QueryResult object for session: {}", sessionId);
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StringBuilder responseTextBuilder = new StringBuilder();
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if (dfQueryResult.getResponseMessagesList().isEmpty()) {
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logger.debug("No response messages found in QueryResult for session: {}", sessionId);
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}
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for (ResponseMessage message : dfQueryResult.getResponseMessagesList()) {
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if (message.hasText()) {
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logger.debug("Processing text response message for session: {}", sessionId);
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for (String text : message.getText().getTextList()) {
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if (responseTextBuilder.length() > 0) {
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responseTextBuilder.append(" ");
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}
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responseTextBuilder.append(text);
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logger.debug("Appended text segment: '{}' to fulfillment text for session: {}", text, sessionId);
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}
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} else {
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logger.debug("Skipping non-text response message type: {} for session: {}", message.getMessageCase(), sessionId);
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}
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}
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String responseText = responseTextBuilder.toString().trim();
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Map<String, Object> parameters = new LinkedHashMap<>(); // Inicializamos vacío para evitar NPEs después
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if (dfQueryResult.hasParameters()) {
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// Usamos un forEach en lugar de Collectors.toMap para tener control total sobre nulos
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dfQueryResult.getParameters().getFieldsMap().forEach((key, value) -> {
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try {
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Object convertedValue = ProtobufUtil.convertProtobufValueToJavaObject(value);
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// Si el valor convertido es nulo, decidimos qué hacer.
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// Lo mejor es poner un String vacío o ignorarlo para que no explote tu lógica.
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if (convertedValue != null) {
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parameters.put(key, convertedValue);
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} else {
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logger.warn("El parámetro '{}' devolvió un valor nulo al convertir. Se ignorará.", key);
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// Opcional: parameters.put(key, "");
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}
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} catch (Exception e) {
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logger.error("Error convirtiendo el parámetro '{}' de Protobuf a Java: {}", key, e.getMessage());
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}
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});
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logger.debug("Extracted parameters: {} for session: {}", parameters, sessionId);
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} else {
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logger.debug("No parameters found in QueryResult for session: {}. Using empty map.", sessionId);
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}
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QueryResultDTO ourQueryResult = new QueryResultDTO(responseText, parameters);
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logger.debug("Internal QueryResult DTO created for session: {}. Details: {}", sessionId, ourQueryResult);
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DetectIntentResponseDTO finalResponse = new DetectIntentResponseDTO(responseId, ourQueryResult);
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logger.info("Finished mapping DialogflowDetectIntentResponse for session: {}. Full response ID: {}", sessionId, responseId);
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return finalResponse;
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}
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}
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