UPDATE code 20-Ago
This commit is contained in:
PAVEL PALMA
@@ -5,193 +5,290 @@
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package com.example.service.conversation;
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import com.example.mapper.conversation.ExternalConvRequestMapper;
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import com.example.service.base.DialogflowClientService;
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import com.example.util.SessionIdGenerator;
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import com.example.dto.dialogflow.base.DetectIntentRequestDTO;
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import com.example.dto.dialogflow.base.DetectIntentResponseDTO;
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import com.example.dto.dialogflow.conversation.ConversationContext;
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import com.example.dto.dialogflow.conversation.ConversationEntryDTO;
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import com.example.dto.dialogflow.conversation.ConversationEntryEntity;
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import com.example.dto.dialogflow.conversation.ConversationEntryType;
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import com.example.dto.dialogflow.conversation.ConversationSessionDTO;
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import com.example.dto.dialogflow.conversation.ExternalConvRequestDTO;
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import com.example.dto.dialogflow.notification.NotificationDTO;
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import com.example.mapper.conversation.ExternalConvRequestMapper;
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import com.example.mapper.messagefilter.ConversationContextMapper;
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import com.example.mapper.messagefilter.NotificationContextMapper;
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import com.example.service.base.DialogflowClientService;
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import com.example.service.base.MessageEntryFilter;
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import com.example.service.notification.MemoryStoreNotificationService;
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import com.example.service.quickreplies.QuickRepliesManagerService;
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import com.example.util.SessionIdGenerator;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Service;
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import reactor.core.publisher.Mono;
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import reactor.core.scheduler.Schedulers;
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import java.time.Duration;
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import java.time.Instant;
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import java.util.Collections;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Optional;
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/**
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* Service for orchestrating the end-to-end conversation flow.
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* It manages user sessions, creating new ones or reusing existing ones
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* based on a session reset threshold. The service handles the entire
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* conversation turn, from mapping an external request to calling Dialogflow,
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* and then persists both user and agent messages using a write-back strategy
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* to a primary cache (Redis) and an asynchronous write to Firestore.
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*/
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@Service
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public class ConversationManagerService {
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private static final Logger logger = LoggerFactory.getLogger(ConversationManagerService.class);
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private static final long SESSION_RESET_THRESHOLD_HOURS = 24;
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private static final String CURRENT_PAGE_PARAM = "currentPage";
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private static final Logger logger = LoggerFactory.getLogger(ConversationManagerService.class);
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private final ExternalConvRequestMapper externalRequestToDialogflowMapper;
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private final DialogflowClientService dialogflowServiceClient;
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private final FirestoreConversationService firestoreConversationService;
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private final MemoryStoreConversationService memoryStoreConversationService;
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private final QuickRepliesManagerService quickRepliesManagerService;
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private final MessageEntryFilter messageEntryFilter;
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private final MemoryStoreNotificationService memoryStoreNotificationService;
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private final NotificationContextMapper notificationContextMapper;
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private final ConversationContextMapper conversationContextMapper;
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private static final long SESSION_RESET_THRESHOLD_HOURS = 24;
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private static final String CURRENT_PAGE_PARAM = "currentPage";
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private final ExternalConvRequestMapper externalRequestToDialogflowMapper;
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private final DialogflowClientService dialogflowServiceClient;
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private final FirestoreConversationService firestoreConversationService;
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private final MemoryStoreConversationService memoryStoreConversationService;
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public ConversationManagerService(
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DialogflowClientService dialogflowServiceClient,
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FirestoreConversationService firestoreConversationService,
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MemoryStoreConversationService memoryStoreConversationService,
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ExternalConvRequestMapper externalRequestToDialogflowMapper) {
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public ConversationManagerService(
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DialogflowClientService dialogflowServiceClient,
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FirestoreConversationService firestoreConversationService,
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MemoryStoreConversationService memoryStoreConversationService,
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ExternalConvRequestMapper externalRequestToDialogflowMapper,
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QuickRepliesManagerService quickRepliesManagerService,
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MessageEntryFilter messageEntryFilter,
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MemoryStoreNotificationService memoryStoreNotificationService,
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NotificationContextMapper notificationContextMapper,
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ConversationContextMapper conversationContextMapper) {
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this.dialogflowServiceClient = dialogflowServiceClient;
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this.firestoreConversationService = firestoreConversationService;
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this.memoryStoreConversationService = memoryStoreConversationService;
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this.externalRequestToDialogflowMapper = externalRequestToDialogflowMapper;
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}
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this.quickRepliesManagerService = quickRepliesManagerService;
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this.messageEntryFilter = messageEntryFilter;
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this.memoryStoreNotificationService = memoryStoreNotificationService;
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this.notificationContextMapper = notificationContextMapper;
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this.conversationContextMapper = conversationContextMapper;
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}
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public Mono<DetectIntentResponseDTO>manageConversation(ExternalConvRequestDTO Externalrequest) {
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final DetectIntentRequestDTO request;
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try {
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request = externalRequestToDialogflowMapper.mapExternalRequestToDetectIntentRequest(Externalrequest);
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logger.debug("Successfully pre-mapped ExternalRequestDTO to DetectIntentRequestDTO");
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} catch (IllegalArgumentException e) {
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logger.error("Error during pre-mapping: {}", e.getMessage());
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return Mono.error(new IllegalArgumentException("Failed to process external request due to mapping error: " + e.getMessage(), e));
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public Mono<DetectIntentResponseDTO> manageConversation(ExternalConvRequestDTO externalrequest) {
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return memoryStoreConversationService.getSessionByTelefono(externalrequest.user().telefono())
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.flatMap(session -> {
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if (session != null && !session.entries().isEmpty()) {
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ConversationEntryDTO lastEntry = session.entries().get(session.entries().size() - 1);
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if (lastEntry.entity() == ConversationEntryEntity.SISTEMA && lastEntry.type() == ConversationEntryType.INICIO) {
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logger.info("Detected 'SISTEMA' and 'INICIO' values in last session entry. Delegating to QuickRepliesManagerService.");
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ExternalConvRequestDTO updatedRequest = new ExternalConvRequestDTO(
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externalrequest.message(),
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externalrequest.user(),
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externalrequest.channel(),
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externalrequest.tipo(),
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session.pantallaContexto()
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);
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return quickRepliesManagerService.manageConversation(updatedRequest);
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}
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}
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return continueManagingConversation(externalrequest);
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})
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.switchIfEmpty(continueManagingConversation(externalrequest));
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}
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final ConversationContext context;
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try {
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context = resolveAndValidateRequest(request);
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} catch (IllegalArgumentException e) {
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logger.error("Validation error for incoming request: {}", e.getMessage());
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return Mono.error(e);
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private Mono<DetectIntentResponseDTO> continueManagingConversation(ExternalConvRequestDTO externalrequest) {
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final DetectIntentRequestDTO request;
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try {
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request = externalRequestToDialogflowMapper.mapExternalRequestToDetectIntentRequest(externalrequest);
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logger.debug("Successfully pre-mapped ExternalRequestDTO to DetectIntentRequestDTO");
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} catch (IllegalArgumentException e) {
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logger.error("Error during pre-mapping: {}", e.getMessage());
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return Mono.error(new IllegalArgumentException(
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"Failed to process external request due to mapping error: " + e.getMessage(), e));
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}
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final ConversationContext context;
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try {
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context = resolveAndValidateRequest(request);
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} catch (IllegalArgumentException e) {
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logger.error("Validation error for incoming request: {}", e.getMessage());
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return Mono.error(e);
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}
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return handleMessageClassification(context, request);
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}
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private Mono<DetectIntentResponseDTO> handleMessageClassification(ConversationContext context, DetectIntentRequestDTO request) {
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final String userPhoneNumber = context.primaryPhoneNumber();
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final String userMessageText = context.userMessageText();
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return memoryStoreNotificationService.getNotificationIdForPhone(userPhoneNumber)
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.flatMap(notificationId -> memoryStoreNotificationService.getCachedNotificationSession(notificationId))
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.map(notificationSession -> notificationSession.notificaciones().stream()
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.filter(notification -> "active".equalsIgnoreCase(notification.status()))
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.max(java.util.Comparator.comparing(NotificationDTO::timestampCreacion))
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.orElse(null))
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.filter(Objects::nonNull)
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.flatMap((NotificationDTO notification) -> {
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String notificationText = notificationContextMapper.toText(notification);
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return memoryStoreConversationService.getSessionByTelefono(userPhoneNumber)
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.map(conversationContextMapper::toText)
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.defaultIfEmpty("")
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.flatMap(conversationHistory -> {
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String classification = messageEntryFilter.classifyMessage(userMessageText, notificationText, conversationHistory);
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if (MessageEntryFilter.CATEGORY_NOTIFICATION.equals(classification)) {
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return startNotificationConversation(context, request, notification);
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} else {
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return continueConversationFlow(context, request);
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}
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});
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})
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.switchIfEmpty(continueConversationFlow(context, request));
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}
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private Mono<DetectIntentResponseDTO> continueConversationFlow(ConversationContext context, DetectIntentRequestDTO request) {
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final String userId = context.userId();
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final String userMessageText = context.userMessageText();
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final String userPhoneNumber = context.primaryPhoneNumber();
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if (userPhoneNumber == null || userPhoneNumber.isBlank()) {
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logger.warn("No phone number provided in request. Cannot manage conversation session without it.");
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return Mono.error(new IllegalArgumentException("Phone number is required to manage conversation sessions."));
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}
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logger.info("Primary Check (MemoryStore): Looking up session for phone number: {}", userPhoneNumber);
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return memoryStoreConversationService.getSessionByTelefono(userPhoneNumber)
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.flatMap(session -> {
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Instant now = Instant.now();
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if (Duration.between(session.lastModified(), now).toHours() < SESSION_RESET_THRESHOLD_HOURS) {
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logger.info("Recent Session Found: Session {} is within the 24-hour threshold. Proceeding to Dialogflow.", session.sessionId());
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return processDialogflowRequest(session, request, userId, userMessageText, userPhoneNumber, false);
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} else {
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logger.info("Old Session Found: Session {} is older than the threshold. Proceeding to full lookup.", session.sessionId());
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return fullLookupAndProcess(session, request, userId, userMessageText, userPhoneNumber);
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}
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})
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.switchIfEmpty(Mono.defer(() -> {
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logger.info("No session found in MemoryStore. Performing full lookup to Firestore.");
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return fullLookupAndProcess(null, request, userId, userMessageText, userPhoneNumber);
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}))
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.onErrorResume(e -> {
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logger.error("Overall error handling conversation in ConversationManagerService: {}", e.getMessage(), e);
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return Mono.error(new RuntimeException("Failed to process conversation due to an internal error.", e));
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});
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}
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private Mono<DetectIntentResponseDTO> fullLookupAndProcess(ConversationSessionDTO oldSession, DetectIntentRequestDTO request, String userId, String userMessageText, String userPhoneNumber) {
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return firestoreConversationService.getSessionByTelefono(userPhoneNumber)
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.map(conversationContextMapper::toTextWithLimits)
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.defaultIfEmpty("")
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.flatMap(conversationHistory -> {
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String newSessionId = SessionIdGenerator.generateStandardSessionId();
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logger.info("Creating new session {} after full lookup.", newSessionId);
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ConversationSessionDTO newSession = ConversationSessionDTO.create(newSessionId, userId, userPhoneNumber);
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DetectIntentRequestDTO newRequest = request.withParameter(CURRENT_PAGE_PARAM, conversationHistory);
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return processDialogflowRequest(newSession, newRequest, userId, userMessageText, userPhoneNumber, true);
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});
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}
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private Mono<DetectIntentResponseDTO> processDialogflowRequest(ConversationSessionDTO session, DetectIntentRequestDTO request, String userId, String userMessageText, String userPhoneNumber, boolean newSession) {
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final String finalSessionId = session.sessionId();
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ConversationEntryDTO userEntry = ConversationEntryDTO.forUser(userMessageText);
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return this.persistConversationTurn(userId, finalSessionId, userEntry, userPhoneNumber)
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.doOnSuccess(v -> logger.debug("User entry successfully persisted for session {}. Proceeding to Dialogflow...", finalSessionId))
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.doOnError(e -> logger.error("Error during user entry persistence for session {}: {}", finalSessionId, e.getMessage(), e))
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.then(Mono.defer(() -> dialogflowServiceClient.detectIntent(finalSessionId, request)
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.flatMap(response -> {
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logger.debug("Received Dialogflow CX response for session {}. Initiating agent response persistence.", finalSessionId);
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ConversationEntryDTO agentEntry = ConversationEntryDTO.forAgent(response.queryResult());
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return persistConversationTurn(userId, finalSessionId, agentEntry, userPhoneNumber)
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.thenReturn(response);
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})
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.doOnError(error -> logger.error("Overall error during conversation management for session {}: {}", finalSessionId, error.getMessage(), error))
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));
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}
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private Mono<DetectIntentResponseDTO> startNotificationConversation(ConversationContext context, DetectIntentRequestDTO request, NotificationDTO notification) {
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final String userId = context.userId();
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final String userMessageText = context.userMessageText();
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final String userPhoneNumber = context.primaryPhoneNumber();
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Mono<ConversationSessionDTO> sessionMono;
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if (userPhoneNumber != null && !userPhoneNumber.isBlank()) {
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logger.info("Checking for existing session for phone number: {}", userPhoneNumber);
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sessionMono = memoryStoreConversationService.getSessionByTelefono(userPhoneNumber)
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.doOnNext(session -> logger.info("Found existing session {} for phone number {}", session.sessionId(), userPhoneNumber))
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return memoryStoreNotificationService.getSessionByTelefono(userPhoneNumber)
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.switchIfEmpty(Mono.defer(() -> {
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String newSessionId = SessionIdGenerator.generateStandardSessionId();
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logger.info("No existing session found for phone number {}. Creating new session: {}", userPhoneNumber, newSessionId);
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return Mono.just(ConversationSessionDTO.create(newSessionId, userId, userPhoneNumber));
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}));
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} else {
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logger.warn("No phone number provided in request. Cannot manage conversation session without it.");
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return Mono.error(new IllegalArgumentException("Phone number is required to manage conversation sessions."));
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String newSessionId = SessionIdGenerator.generateStandardSessionId();
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logger.info("No existing notification session found for phone number {}. Creating new session: {}",
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userPhoneNumber, newSessionId);
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return Mono.just(ConversationSessionDTO.create(newSessionId, userId, userPhoneNumber));
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}))
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.flatMap(session -> {
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final String sessionId = session.sessionId();
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ConversationEntryDTO userEntry = ConversationEntryDTO.forUser(userMessageText);
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return memoryStoreNotificationService.saveEntry(userId, sessionId, userEntry, userPhoneNumber)
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.then(dialogflowServiceClient.detectIntent(sessionId, request)
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.doOnSuccess(response -> {
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ConversationEntryDTO agentEntry = ConversationEntryDTO.forAgent(response.queryResult());
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memoryStoreNotificationService.saveEntry(userId, sessionId, agentEntry, userPhoneNumber).subscribe();
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}));
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});
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}
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return sessionMono.flatMap(session -> {
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final String finalSessionId = session.sessionId();
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private Mono<Void> persistConversationTurn(String userId, String sessionId, ConversationEntryDTO entry,String userPhoneNumber) {
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logger.debug("Starting Write-Back persistence for session {}. Type: {}. Writing to Redis first.", sessionId,
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entry.type().name());
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logger.info("Managing conversation for resolved session: {}", finalSessionId);
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ConversationEntryDTO userEntry = ConversationEntryDTO.forUser(userMessageText);
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final DetectIntentRequestDTO requestToDialogflow;
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Instant currentInteractionTimestamp = userEntry.timestamp();
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if (session.lastModified() != null &&
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Duration.between(session.lastModified(), currentInteractionTimestamp).toHours() >= SESSION_RESET_THRESHOLD_HOURS) {
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logger.info("Session {} (last modified: {}) is older than {} hours. Adding '{}' parameter to Dialogflow request.",
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session.sessionId(), session.lastModified(), SESSION_RESET_THRESHOLD_HOURS, CURRENT_PAGE_PARAM);
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requestToDialogflow = request.withParameter(CURRENT_PAGE_PARAM, true);
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} else {
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requestToDialogflow = request;
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}
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return this.persistConversationTurn(userId, finalSessionId, userEntry, userPhoneNumber)
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.doOnSuccess(v -> logger.debug("User entry successfully persisted for session {}. Proceeding to Dialogflow...", finalSessionId))
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.doOnError(e -> logger.error("Error during user entry persistence for session {}: {}", finalSessionId, e.getMessage(), e))
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.then(Mono.defer(() -> {
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return dialogflowServiceClient.detectIntent(finalSessionId, requestToDialogflow)
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.doOnSuccess(response -> {
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logger.debug("Received Dialogflow CX response for session {}. Initiating agent response persistence.", finalSessionId);
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ConversationEntryDTO agentEntry = ConversationEntryDTO.forAgent(response.queryResult());
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this.persistConversationTurn(userId, finalSessionId, agentEntry, userPhoneNumber).subscribe(
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v -> logger.debug("Background: Agent entry persistence initiated for session {}.", finalSessionId),
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e -> logger.error("Background: Error during agent entry persistence for session {}: {}", finalSessionId, e.getMessage(), e)
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);
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})
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.doOnError(error -> logger.error("Overall error during conversation management for session {}: {}", finalSessionId, error.getMessage(), error));
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}));
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})
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.onErrorResume(e -> {
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logger.error("Overall error handling conversation in ConversationManagerService: {}", e.getMessage(), e);
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return Mono.error(new RuntimeException("Failed to process conversation due to an internal error.", e));
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})
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.subscribeOn(Schedulers.boundedElastic());
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}
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private Mono<Void> persistConversationTurn(String userId, String sessionId, ConversationEntryDTO entry, String userPhoneNumber) {
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logger.debug("Starting Write-Back persistence for session {}. Type: {}. Writing to Redis first.", sessionId, entry.type().name());
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return memoryStoreConversationService.saveEntry(userId, sessionId, entry, userPhoneNumber)
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.doOnSuccess(v -> {
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logger.info("Entry saved to Redis for session {}. Type: {}. Kicking off async Firestore write-back.", sessionId, entry.type().name());
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firestoreConversationService.saveEntry(userId, sessionId, entry, userPhoneNumber)
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.subscribe(
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fsVoid -> logger.debug("Asynchronously (Write-Back): Entry successfully saved to Firestore for session {}. Type: {}.",
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sessionId, entry.type().name()),
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fsError -> logger.error("Asynchronously (Write-Back): Failed to save entry to Firestore for session {}. Type: {}: {}",
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sessionId, entry.type().name(), fsError.getMessage(), fsError)
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);
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})
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.doOnError(e -> logger.error("Error during primary Redis write for session {}. Type: {}: {}", sessionId, entry.type().name(), e.getMessage(), e));
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}
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.doOnSuccess(v -> logger.info(
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"Entry saved to Redis for session {}. Type: {}. Kicking off async Firestore write-back.",
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sessionId, entry.type().name()))
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.then(firestoreConversationService.saveEntry(userId, sessionId, entry, userPhoneNumber)
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.doOnSuccess(fsVoid -> logger.debug(
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"Asynchronously (Write-Back): Entry successfully saved to Firestore for session {}. Type: {}.",
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sessionId, entry.type().name()))
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.doOnError(fsError -> logger.error(
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"Asynchronously (Write-Back): Failed to save entry to Firestore for session {}. Type: {}: {}",
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sessionId, entry.type().name(), fsError.getMessage(), fsError)))
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.doOnError(e -> logger.error("Error during primary Redis write for session {}. Type: {}: {}", sessionId,
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entry.type().name(), e.getMessage(), e));
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}
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private ConversationContext resolveAndValidateRequest(DetectIntentRequestDTO request) {
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private ConversationContext resolveAndValidateRequest(DetectIntentRequestDTO request) {
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Map<String, Object> params = Optional.ofNullable(request.queryParams())
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.map(queryParamsDTO -> queryParamsDTO.parameters())
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.orElse(Collections.emptyMap());
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.map(queryParamsDTO -> queryParamsDTO.parameters())
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.orElse(Collections.emptyMap());
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String primaryPhoneNumber = null;
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Object telefonoObj = params.get("telefono"); // Get from map
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if (telefonoObj instanceof String) {
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primaryPhoneNumber = (String) telefonoObj;
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primaryPhoneNumber = (String) telefonoObj;
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} else if (telefonoObj != null) {
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logger.warn("Parameter 'telefono' in queryParams is not a String (type: {}). Expected String.", telefonoObj.getClass().getName());
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logger.warn("Parameter 'telefono' in queryParams is not a String (type: {}). Expected String.",
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telefonoObj.getClass().getName());
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}
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if (primaryPhoneNumber == null || primaryPhoneNumber.trim().isEmpty()) {
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throw new IllegalArgumentException("Phone number (telefono) is required in query parameters for conversation management.");
|
||||
throw new IllegalArgumentException(
|
||||
"Phone number (telefono) is required in query parameters for conversation management.");
|
||||
}
|
||||
|
||||
String resolvedUserId = null;
|
||||
Object userIdObj = params.get("usuario_id");
|
||||
if (userIdObj instanceof String) {
|
||||
resolvedUserId = (String) userIdObj;
|
||||
resolvedUserId = (String) userIdObj;
|
||||
} else if (userIdObj != null) {
|
||||
logger.warn("Parameter 'userId' in queryParams is not a String (type: {}). Expected String.", userIdObj.getClass().getName());
|
||||
}
|
||||
|
||||
if (resolvedUserId == null || resolvedUserId.trim().isEmpty()) {
|
||||
resolvedUserId = "user_by_phone_" + primaryPhoneNumber.replaceAll("[^0-9]", "");
|
||||
logger.warn("User ID not provided in query parameters. Using derived ID from phone number: {}", resolvedUserId);
|
||||
logger.warn("Parameter 'userId' in query_params is not a String (type: {}). Expected String.",
|
||||
userIdObj.getClass().getName());
|
||||
}
|
||||
|
||||
if (request.queryInput() == null || request.queryInput().text() == null ||
|
||||
request.queryInput().text().text() == null || request.queryInput().text().text().trim().isEmpty()) {
|
||||
throw new IllegalArgumentException("Dialogflow query input text is required.");
|
||||
if (resolvedUserId == null || resolvedUserId.trim().isEmpty()) {
|
||||
resolvedUserId = "user_by_phone_" + primaryPhoneNumber.replaceAll("[^0-9]", "");
|
||||
logger.warn("User ID not provided in query parameters. Using derived ID from phone number: {}",
|
||||
resolvedUserId);
|
||||
}
|
||||
|
||||
if (request.queryInput() == null || request.queryInput().text() == null ||
|
||||
request.queryInput().text().text() == null || request.queryInput().text().text().trim().isEmpty()) {
|
||||
throw new IllegalArgumentException("Dialogflow query input text is required.");
|
||||
}
|
||||
|
||||
String userMessageText = request.queryInput().text().text();
|
||||
return new ConversationContext(resolvedUserId, null, userMessageText, primaryPhoneNumber);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user