Files
ai-agent/internal/services/conversation_service.go
T
t 18c9354095 refactor: 将客服后端重构为宿主可嵌入模块
- 注入数据库、运行时配置、统一响应、文件存储和平台 AI 能力,补充业务读写工具与客户快捷操作契约。

- 移除模块内重复的组织、客户、工单、标签、技能、旧工作流、MCP 和迁移实现,将身份权限与业务主体交由宿主管理。

- 使用 libSQL 重构向量存储,并完善图片消息、访客身份、排队调度、企业微信和支持聊天页面。

- 统一 HTTP、DTO 与 WebSocket 的 snake_case 协议,补齐模块初始化、业务动作和公共载荷等回归测试。
2026-08-28 22:23:13 +08:00

833 lines
31 KiB
Go

package services
import (
"context"
"encoding/json"
"log/slog"
"code.tczkiot.com/wlw/ai-agent/identity"
"code.tczkiot.com/wlw/ai-agent/internal/events"
"code.tczkiot.com/wlw/ai-agent/internal/models"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/dto"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/dto/request"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/enums"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/errorsx"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/eventbus"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/openidentity"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/utils"
"code.tczkiot.com/wlw/ai-agent/internal/repositories"
"strings"
"time"
"github.com/mlogclub/simple/common/strs"
"github.com/mlogclub/simple/sqls"
"gorm.io/gorm"
)
var ConversationService = newConversationService()
func newConversationService() *conversationService {
return &conversationService{}
}
type conversationService struct {
}
func (s *conversationService) Get(id int64) *models.Conversation {
if id <= 0 {
return nil
}
return repositories.ConversationRepository.Get(sqls.DB(), id)
}
func (s *conversationService) Find(cnd *sqls.Cnd) []models.Conversation {
return repositories.ConversationRepository.Find(sqls.DB(), cnd)
}
func (s *conversationService) FindOne(cnd *sqls.Cnd) *models.Conversation {
return repositories.ConversationRepository.FindOne(sqls.DB(), cnd)
}
func (s *conversationService) FindPageByCnd(cnd *sqls.Cnd) (list []models.Conversation, paging *sqls.Paging) {
return repositories.ConversationRepository.FindPageByCnd(sqls.DB(), cnd)
}
func (s *conversationService) ListConversations(userID int64, filter request.AgentConversationFilter, keyword string, paging *sqls.Paging) ([]models.Conversation, *sqls.Paging, error) {
cnd := sqls.NewCnd().Page(paging.Page, paging.Limit)
if strs.IsNotBlank(keyword) {
keyword = strings.TrimSpace(keyword)
keywordLike := "%" + keyword + "%"
cnd.Where("customer_name LIKE ? OR last_message_summary LIKE ?", keywordLike, keywordLike)
}
switch filter {
case request.AgentConversationFilterAIServing:
cnd.Eq("current_assignee_id", 0).Eq("status", enums.IMConversationStatusAIServing).Desc("last_active_at").Desc("id")
case request.AgentConversationFilterMine:
cnd.Eq("current_assignee_id", userID).Desc("last_active_at").Desc("id")
case request.AgentConversationFilterActive:
cnd.Eq("current_assignee_id", userID).Eq("status", enums.IMConversationStatusActive).Desc("last_active_at").Desc("id")
case request.AgentConversationFilterPending:
cnd.Eq("current_assignee_id", 0).Eq("status", enums.IMConversationStatusPending).Asc("last_active_at").Desc("id")
case request.AgentConversationFilterClosed:
cnd.Eq("current_assignee_id", userID).Eq("status", enums.IMConversationStatusClosed).Desc("last_active_at").Desc("id")
default:
return nil, nil, errorsx.InvalidParamI18n("error.e0121")
}
list, paging := repositories.ConversationRepository.FindPageByCnd(sqls.DB(), cnd)
return list, paging, nil
}
func (s *conversationService) Updates(id int64, columns map[string]interface{}) error {
return repositories.ConversationRepository.Updates(sqls.DB(), id, columns)
}
func (s *conversationService) getLatestNotFinishedByExternalUser(db *gorm.DB, externalUser openidentity.ExternalUser, channelID int64) *models.Conversation {
externalID := strings.TrimSpace(externalUser.ExternalID)
if externalID == "" || channelID <= 0 {
return nil
}
cnd := sqls.NewCnd()
cnd.Eq("channel_id", channelID)
cnd.Eq("customer_type", externalCustomerType(externalUser))
cnd.Eq("customer_external_id", externalID)
cnd.In("status", []enums.IMConversationStatus{
enums.IMConversationStatusAIServing,
enums.IMConversationStatusPending,
enums.IMConversationStatusActive,
})
cnd.Desc("id")
return repositories.ConversationRepository.FindOne(db, cnd)
}
func (s *conversationService) Create(externalUser openidentity.ExternalUser, channelID, aiAgentID int64) (*models.Conversation, error) {
serviceMode := enums.IMConversationServiceModeHumanOnly
var aiAgent *models.AIAgent
if aiAgentID > 0 {
aiAgent = AIAgentService.Get(aiAgentID)
if aiAgent == nil || aiAgent.Status != enums.StatusOk {
return nil, errorsx.InvalidParamI18n("error.e0002")
}
serviceMode = aiAgent.ServiceMode
}
var conversation *models.Conversation
var welcomeMessage *models.Message
created := false
reconfigured := false
if err := sqls.WithTransaction(func(ctx *sqls.TxContext) error {
customerType := externalCustomerType(externalUser)
customerID := externalUser.SubjectID
customerName := strings.TrimSpace(externalUser.ExternalName)
existing := s.getLatestNotFinishedByExternalUser(ctx.Tx, externalUser, channelID)
// A conversation already being handled by a human keeps its original
// service contract. If the channel was switched to another Agent/mode,
// start a new conversation with the latest config instead of silently
// reusing the stale human conversation.
if existing != nil && (existing.CurrentAssigneeID > 0 || existing.HandoffAt != nil) &&
(existing.AIAgentID != aiAgentID || existing.ServiceMode != serviceMode) {
existing = nil
}
if existing != nil {
conversation = existing
updates := make(map[string]any)
if customerName != "" && existing.CustomerName != customerName {
updates["customer_name"] = customerName
conversation.CustomerName = customerName
}
// A channel binding may change after a conversation was created. Keep an
// unassigned conversation aligned with the latest channel/Agent config,
// while never taking a conversation away from a human or a handoff flow.
if existing.CurrentAssigneeID == 0 && existing.HandoffAt == nil &&
(existing.ChannelID != channelID || existing.AIAgentID != aiAgentID || existing.ServiceMode != serviceMode) {
updates["channel_id"] = channelID
updates["ai_agent_id"] = aiAgentID
updates["service_mode"] = serviceMode
updates["status"] = s.resolveInitialStatus(serviceMode)
conversation.ChannelID = channelID
conversation.AIAgentID = aiAgentID
conversation.ServiceMode = serviceMode
conversation.Status = s.resolveInitialStatus(serviceMode)
reconfigured = true
}
if len(updates) > 0 {
updates["updated_at"] = time.Now()
if err := repositories.ConversationRepository.Updates(ctx.Tx, existing.ID, updates); err != nil {
return err
}
}
return nil
}
created = true
now := time.Now()
conversation = &models.Conversation{
AIAgentID: aiAgentID,
ChannelID: channelID,
CustomerType: customerType,
CustomerID: customerID,
CustomerExternalID: strings.TrimSpace(externalUser.ExternalID),
CustomerName: customerName,
Status: s.resolveInitialStatus(serviceMode),
ServiceMode: serviceMode,
Priority: 0,
CurrentAssigneeID: 0,
CurrentTeamID: 0,
LastMessageAt: now,
LastActiveAt: now,
AuditFields: utils.BuildAuditFields(nil),
}
if err := ctx.Tx.Create(conversation).Error; err != nil {
return err
}
if err := ConversationParticipantService.CreateCustomerParticipant(ctx, conversation.ID, externalUser); err != nil {
return err
}
if err := ConversationEventLogService.CreateEvent(ctx, conversation.ID, enums.IMEventTypeCreate, enums.IMSenderTypeCustomer, 0, "用户创建会话", ""); err != nil {
return err
}
if aiAgent != nil {
var welcomeErr error
welcomeMessage, welcomeErr = MessageService.createAIWelcomeMessage(ctx, conversation, aiAgent, now)
return welcomeErr
}
return nil
}); err != nil {
return nil, err
}
if conversation == nil {
return nil, errorsx.BusinessErrorI18n(1, "error.conversation.createFailed")
}
if !created {
if reconfigured {
WsService.PublishConversationChanged(conversation, enums.IMRealtimeEventConversationUpdated)
}
return s.Get(conversation.ID), nil
}
// 推送会话创建事件
WsService.PublishConversationChanged(conversation, enums.IMRealtimeEventConversationCreated)
if welcomeMessage != nil {
if updatedConversation := s.Get(conversation.ID); updatedConversation != nil {
WsService.PublishMessageCreated(updatedConversation, welcomeMessage)
WsService.PublishConversationChanged(updatedConversation, enums.IMRealtimeEventConversationUpdated)
}
}
if serviceMode == enums.IMConversationServiceModeHumanOnly {
var err error
if aiAgent == nil {
_, err = ConversationHumanDispatchService.ApplyHumanChannelCreate(conversation.ID)
} else {
_, err = ConversationHumanDispatchService.ApplyHumanOnlyCreate(conversation.ID, *aiAgent)
}
if err != nil {
return nil, err
}
}
return s.Get(conversation.ID), nil
}
func (s *conversationService) AssignConversation(req request.AssignConversationRequest, operator *dto.AuthPrincipal) error {
if operator == nil {
return errorsx.UnauthorizedI18n("error.auth.expired")
}
targetProfile := AgentProfileService.GetByUserID(req.AssigneeID)
if targetProfile == nil || targetProfile.Status != enums.StatusOk {
return errorsx.InvalidParamI18n("error.e0276")
}
var assignedEvent events.ConversationAssignedEvent
var previousTeamID int64
if err := sqls.WithTransaction(func(ctx *sqls.TxContext) error {
conversation := repositories.ConversationRepository.Get(ctx.Tx, req.ConversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if conversation.Status != enums.IMConversationStatusPending {
return errorsx.InvalidParamI18n("error.e0135")
}
previousTeamID = conversation.CurrentTeamID
now := time.Now()
if err := ConversationAssignmentService.FinishActiveAssignments(ctx, req.ConversationID, now); err != nil {
return err
}
if err := ConversationAssignmentService.CreateAssignment(ctx, req.ConversationID, conversation.CurrentAssigneeID, req.AssigneeID, enums.IMAssignmentTypeAssign, req.Reason, operator, now); err != nil {
return err
}
if err := repositories.ConversationRepository.Updates(ctx.Tx, req.ConversationID, map[string]any{
"current_assignee_id": req.AssigneeID,
"current_team_id": targetProfile.TeamID,
"status": enums.IMConversationStatusActive,
"update_user_id": operator.UserID,
"update_user_name": operator.Username,
"updated_at": now,
}); err != nil {
return err
}
if err := ConversationEventLogService.CreateEvent(ctx, req.ConversationID, enums.IMEventTypeAssign, enums.IMSenderTypeAgent, operator.UserID, "会话已分配", s.buildEventPayload(map[string]any{
"from_status": conversation.Status,
"to_status": enums.IMConversationStatusActive,
"from_assignee_id": conversation.CurrentAssigneeID,
"to_assignee_id": req.AssigneeID,
"to_team_id": targetProfile.TeamID,
"reason": strings.TrimSpace(req.Reason),
})); err != nil {
return err
}
assignedEvent = events.ConversationAssignedEvent{
ConversationID: req.ConversationID,
FromUserID: conversation.CurrentAssigneeID,
ToUserID: req.AssigneeID,
OperatorID: operator.UserID,
Reason: strings.TrimSpace(req.Reason),
AssignType: events.ConversationAssignTypeAssign,
}
return nil
}); err != nil {
return err
}
if conversation := s.Get(req.ConversationID); conversation != nil {
WsService.PublishConversationChanged(conversation, enums.IMRealtimeEventConversationAssigned)
}
ConversationQueueService.PublishPoolUpdates(previousTeamID)
eventbus.PublishAsync(context.Background(), assignedEvent)
return nil
}
func (s *conversationService) AutoAssignConversation(conversationID int64, operator *dto.AuthPrincipal) error {
if operator == nil {
return errorsx.UnauthorizedI18n("error.auth.expired")
}
conversation := s.Get(conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if conversation.Status != enums.IMConversationStatusPending {
return errorsx.InvalidParamI18n("error.e0136")
}
if conversation.CurrentAssigneeID > 0 {
return errorsx.InvalidParamI18n("error.e0190")
}
if conversation.AIAgentID > 0 {
aiAgent := AIAgentService.Get(conversation.AIAgentID)
if aiAgent == nil || aiAgent.Status != enums.StatusOk {
return errorsx.InvalidParamI18n("error.e0003")
}
result, err := ConversationHumanDispatchService.DispatchPendingConversation(conversationID, *aiAgent)
if err != nil {
return err
}
if result == nil || result.Decision == HandoffDecisionOffHours {
return errorsx.InvalidParamI18n("error.e0194")
}
return nil
}
result, err := ConversationDispatchService.DispatchConversation(conversationID)
if err != nil {
return err
}
if result == nil {
return errorsx.InvalidParamI18n("error.e0194")
}
return nil
}
func (s *conversationService) TransferConversation(conversationID, toUserID int64, reason string, operator *dto.AuthPrincipal) error {
if operator == nil {
return errorsx.UnauthorizedI18n("error.auth.expired")
}
if toUserID <= 0 {
return errorsx.InvalidParamI18n("error.e0278")
}
targetProfile := AgentProfileService.GetByUserID(toUserID)
if targetProfile == nil || targetProfile.Status != enums.StatusOk {
return errorsx.InvalidParamI18n("error.e0276")
}
var assignedEvent events.ConversationAssignedEvent
if err := sqls.WithTransaction(func(ctx *sqls.TxContext) error {
conversation := repositories.ConversationRepository.Get(ctx.Tx, conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if !s.canTransferConversation(conversation, operator) {
return errorsx.ForbiddenI18n("error.e0223")
}
if conversation.Status != enums.IMConversationStatusActive {
return errorsx.InvalidParamI18n("error.e0134")
}
if conversation.CurrentAssigneeID <= 0 {
return errorsx.InvalidParamI18n("error.e0193")
}
if conversation.CurrentAssigneeID == toUserID {
return errorsx.InvalidParamI18n("error.e0277")
}
now := time.Now()
if err := ConversationAssignmentService.FinishActiveAssignments(ctx, conversationID, now); err != nil {
return err
}
if err := ConversationAssignmentService.CreateAssignment(ctx, conversationID, conversation.CurrentAssigneeID, toUserID, enums.IMAssignmentTypeTransfer, reason, operator, now); err != nil {
return err
}
if err := repositories.ConversationRepository.Updates(ctx.Tx, conversationID, map[string]any{
"current_assignee_id": toUserID,
"status": enums.IMConversationStatusActive,
"update_user_id": operator.UserID,
"update_user_name": operator.Username,
"updated_at": now,
}); err != nil {
return err
}
if err := ConversationEventLogService.CreateEvent(ctx, conversationID, enums.IMEventTypeTransfer, enums.IMSenderTypeAgent, operator.UserID, "会话已转接", s.buildEventPayload(map[string]any{
"from_status": conversation.Status,
"to_status": enums.IMConversationStatusActive,
"from_assignee_id": conversation.CurrentAssigneeID,
"to_assignee_id": toUserID,
"reason": strings.TrimSpace(reason),
})); err != nil {
return err
}
assignedEvent = events.ConversationAssignedEvent{
ConversationID: conversationID,
FromUserID: conversation.CurrentAssigneeID,
ToUserID: toUserID,
OperatorID: operator.UserID,
Reason: strings.TrimSpace(reason),
AssignType: events.ConversationAssignTypeTransfer,
}
return nil
}); err != nil {
return err
}
if conversation := s.Get(conversationID); conversation != nil {
WsService.PublishConversationChanged(conversation, enums.IMRealtimeEventConversationTransferred)
}
eventbus.PublishAsync(context.Background(), assignedEvent)
return nil
}
func (s *conversationService) HandoffByAI(conversationID int64, aiAgent models.AIAgent, reason string) error {
return s.HandoffByAIWithRequestID(conversationID, aiAgent, reason, "")
}
func (s *conversationService) HandoffByAIWithRequestID(conversationID int64, aiAgent models.AIAgent, reason string, requestID string) error {
if conversationID <= 0 {
return errorsx.InvalidParamI18n("error.e0116")
}
_, err := ConversationHumanDispatchService.HandoffByAIWithRequestID(conversationID, aiAgent, reason, requestID)
if err != nil {
slog.Warn("schedule-aware ai handoff failed",
"requestId", requestID,
"conversation_id", conversationID,
"ai_agent_id", aiAgent.ID,
"error", err)
}
return err
}
func (s *conversationService) TryOffHoursHandoffByAI(conversationID int64, aiAgent models.AIAgent, reason string) (bool, error) {
return s.TryOffHoursHandoffByAIWithRequestID(conversationID, aiAgent, reason, "")
}
func (s *conversationService) TryOffHoursHandoffByAIWithRequestID(conversationID int64, aiAgent models.AIAgent, reason string, requestID string) (bool, error) {
if conversationID <= 0 {
return false, errorsx.InvalidParamI18n("error.e0116")
}
handled, err := ConversationHumanDispatchService.TryOffHoursHandoffByAIWithRequestID(conversationID, aiAgent, reason, requestID)
if err != nil {
slog.Warn("off-hours ai handoff failed",
"requestId", requestID,
"conversation_id", conversationID,
"ai_agent_id", aiAgent.ID,
"error", err)
}
return handled, err
}
func (s *conversationService) CloseConversation(conversationID int64, closeReason string, operator *dto.AuthPrincipal) error {
if operator == nil {
return errorsx.UnauthorizedI18n("error.auth.expired")
}
return s.closeConversation(conversationID, enums.IMSenderTypeAgent, closeReason, operator)
}
func (s *conversationService) CloseCustomerConversation(conversationID int64, externalUser openidentity.ExternalUser) error {
conversation := s.Get(conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if !s.IsCustomerConversationOwner(conversation, externalUser) {
return errorsx.ForbiddenI18n("error.e0222")
}
return s.closeConversation(conversationID, enums.IMSenderTypeCustomer, "", nil)
}
func (s *conversationService) closeConversation(conversationID int64, senderType enums.IMSenderType, closeReason string, operator *dto.AuthPrincipal) error {
var queuedTeamID int64
var wasQueued bool
if err := sqls.WithTransaction(func(ctx *sqls.TxContext) error {
conversation := repositories.ConversationRepository.Get(ctx.Tx, conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if conversation.Status == enums.IMConversationStatusClosed {
return nil
}
if conversation.Status != enums.IMConversationStatusAIServing &&
conversation.Status != enums.IMConversationStatusPending &&
conversation.Status != enums.IMConversationStatusActive {
return errorsx.InvalidParamI18n("error.e0197")
}
wasQueued = conversation.Status == enums.IMConversationStatusPending && conversation.CurrentAssigneeID == 0
queuedTeamID = conversation.CurrentTeamID
var (
now = time.Now()
eventDesc = "会话已关闭"
operatorID int64
operatorName string
)
closeReason = strings.TrimSpace(closeReason)
if senderType == enums.IMSenderTypeCustomer {
eventDesc = "客户关闭会话"
} else {
if operator == nil {
return errorsx.InvalidParamI18n("error.e0226")
}
if closeReason == "" {
return errorsx.InvalidParamI18n("error.e0128")
}
if !s.canCloseConversation(conversation, operator) {
return errorsx.ForbiddenI18n("error.e0221")
}
operatorID = operator.UserID
operatorName = operator.Nickname
}
if err := ConversationAssignmentService.FinishActiveAssignments(ctx, conversationID, now); err != nil {
return err
}
if err := repositories.ConversationRepository.Updates(ctx.Tx, conversationID, map[string]any{
"status": enums.IMConversationStatusClosed,
"closed_at": now,
"closed_by": operatorID,
"close_reason": closeReason,
"update_user_id": operatorID,
"update_user_name": operatorName,
"updated_at": now,
}); err != nil {
return err
}
return ConversationEventLogService.CreateEvent(ctx, conversationID, enums.IMEventTypeClose, senderType, operatorID, eventDesc, s.buildEventPayload(map[string]any{
"from_status": conversation.Status,
"to_status": enums.IMConversationStatusClosed,
"from_assignee_id": conversation.CurrentAssigneeID,
"to_assignee_id": conversation.CurrentAssigneeID,
"close_reason": closeReason,
}))
}); err != nil {
return err
}
if conversation := s.Get(conversationID); conversation != nil {
WsService.PublishConversationChanged(conversation, enums.IMRealtimeEventConversationClosed)
}
if wasQueued {
ConversationQueueService.PublishPoolUpdates(queuedTeamID)
}
return nil
}
// MarkAgentConversationReadToMessage 控制台客服将会话已读推进到指定消息。
func (s *conversationService) MarkAgentConversationReadToMessage(conversationID, messageID int64, operator *dto.AuthPrincipal) error {
if operator == nil {
return errorsx.UnauthorizedI18n("error.auth.expired")
}
conversation := s.Get(conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
changed, err := s.markConversationReadWithActor(conversation, messageID, agentConversationReadActor{operator: operator})
if err != nil {
return err
}
if changed {
if updated := s.Get(conversationID); updated != nil {
WsService.PublishConversationChanged(updated, enums.IMRealtimeEventConversationRead)
}
}
return nil
}
// MarkCustomerConversationReadToMessage IM 客户将会话已读推进到指定消息(需为会话归属外部身份)。
func (s *conversationService) MarkCustomerConversationReadToMessage(conversationID, messageID int64, external *openidentity.ExternalUser) error {
if external == nil || strings.TrimSpace(external.ExternalID) == "" {
return errorsx.UnauthorizedI18n("error.e0149")
}
conversation := s.Get(conversationID)
if conversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if !s.IsCustomerConversationOwner(conversation, *external) {
return errorsx.ForbiddenI18n("error.e0222")
}
changed, err := s.markConversationReadWithActor(conversation, messageID, customerConversationReadActor{external: external})
if err != nil {
return err
}
if changed {
if updated := s.Get(conversationID); updated != nil {
WsService.PublishConversationChanged(updated, enums.IMRealtimeEventConversationRead)
}
}
return nil
}
func displayExternalName(ext *openidentity.ExternalUser) string {
if ext == nil {
return ""
}
if n := strings.TrimSpace(ext.ExternalName); n != "" {
return n
}
return strings.TrimSpace(ext.ExternalID)
}
// conversationReadActor 抽象「读者身份」,供 markConversationReadWithActor 共用(包内私有)。
type conversationReadActor interface {
isAgentSide() bool
getReadState(conversationID int64) *models.ConversationReadState
markRead(ctx *sqls.TxContext, conversation *models.Conversation, targetMessage *models.Message) error
conversationUpdateAudit() (userID int64, userName string)
}
type agentConversationReadActor struct {
operator *dto.AuthPrincipal
}
func (a agentConversationReadActor) isAgentSide() bool { return true }
func (a agentConversationReadActor) getReadState(conversationID int64) *models.ConversationReadState {
return ConversationReadStateService.GetByAgentReader(conversationID, a.operator)
}
func (a agentConversationReadActor) markRead(ctx *sqls.TxContext, conversation *models.Conversation, targetMessage *models.Message) error {
_, err := ConversationReadStateService.MarkAgentRead(ctx, conversation, a.operator, targetMessage)
return err
}
func (a agentConversationReadActor) conversationUpdateAudit() (int64, string) {
if a.operator == nil {
return 0, ""
}
return a.operator.UserID, a.operator.Username
}
type customerConversationReadActor struct {
external *openidentity.ExternalUser
}
func (a customerConversationReadActor) isAgentSide() bool { return false }
func (a customerConversationReadActor) getReadState(conversationID int64) *models.ConversationReadState {
return ConversationReadStateService.GetByCustomerReader(conversationID, a.external)
}
func (a customerConversationReadActor) markRead(ctx *sqls.TxContext, conversation *models.Conversation, targetMessage *models.Message) error {
_, err := ConversationReadStateService.MarkCustomerRead(ctx, conversation, a.external, targetMessage)
return err
}
func (a customerConversationReadActor) conversationUpdateAudit() (int64, string) {
return 0, displayExternalName(a.external)
}
func (s *conversationService) markConversationReadWithActor(conversation *models.Conversation, messageID int64, actor conversationReadActor) (bool, error) {
if conversation == nil {
return false, errorsx.InvalidParamI18n("error.e0116")
}
targetMessage, err := MessageService.GetConversationReadTarget(conversation.ID, messageID)
if err != nil {
return false, err
}
if targetMessage == nil {
if actor.isAgentSide() && conversation.AgentUnreadCount == 0 {
return false, nil
}
if !actor.isAgentSide() && conversation.CustomerUnreadCount == 0 {
return false, nil
}
now := time.Now()
updateUserID, updateUserName := actor.conversationUpdateAudit()
updates := map[string]any{
"update_user_id": updateUserID,
"update_user_name": updateUserName,
"updated_at": now,
}
if actor.isAgentSide() {
updates["agent_unread_count"] = 0
} else {
updates["customer_unread_count"] = 0
}
return true, s.Updates(conversation.ID, updates)
}
currentReadState := actor.getReadState(conversation.ID)
if currentReadState != nil && currentReadState.LastReadMessageID >= targetMessage.ID {
if actor.isAgentSide() && conversation.AgentUnreadCount == 0 {
return false, nil
}
if !actor.isAgentSide() && conversation.CustomerUnreadCount == 0 {
return false, nil
}
}
err = sqls.WithTransaction(func(ctx *sqls.TxContext) error {
currentConversation := repositories.ConversationRepository.Get(ctx.Tx, conversation.ID)
if currentConversation == nil {
return errorsx.InvalidParamI18n("error.e0116")
}
if err := actor.markRead(ctx, currentConversation, targetMessage); err != nil {
return err
}
agentReadState, customerReadState := ConversationReadStateService.getConversationReadStates(ctx.Tx, currentConversation.ID)
agentUnreadCount, err := s.countUnreadByState(ctx, currentConversation.ID, agentReadState, enums.IMSenderTypeCustomer)
if err != nil {
return err
}
customerUnreadCount, err := s.countUnreadByState(ctx, currentConversation.ID, customerReadState, enums.IMSenderTypeAgent, enums.IMSenderTypeAI)
if err != nil {
return err
}
if actor.isAgentSide() && currentConversation.AgentUnreadCount == agentUnreadCount && currentReadState != nil && currentReadState.LastReadMessageID >= targetMessage.ID {
return nil
}
if !actor.isAgentSide() && currentConversation.CustomerUnreadCount == customerUnreadCount && currentReadState != nil && currentReadState.LastReadMessageID >= targetMessage.ID {
return nil
}
updateUserID, updateUserName := actor.conversationUpdateAudit()
return repositories.ConversationRepository.Updates(ctx.Tx, currentConversation.ID, map[string]any{
"agent_unread_count": agentUnreadCount,
"customer_unread_count": customerUnreadCount,
"update_user_id": updateUserID,
"update_user_name": updateUserName,
"updated_at": time.Now(),
})
})
if err != nil {
return false, err
}
return true, nil
}
func (s *conversationService) countUnreadByState(ctx *sqls.TxContext, conversationID int64, state *models.ConversationReadState, senderTypes ...enums.IMSenderType) (int, error) {
lastReadMessageID := int64(0)
if state != nil {
lastReadMessageID = state.LastReadMessageID
}
normalizedSenderTypes := make([]enums.IMSenderType, 0, len(senderTypes))
for _, senderType := range senderTypes {
normalizedSenderTypes = append(normalizedSenderTypes, senderType)
}
count, err := ConversationReadStateService.CountUnreadMessages(ctx, conversationID, lastReadMessageID, normalizedSenderTypes...)
return int(count), err
}
func (s *conversationService) IsCustomerConversationOwner(conversation *models.Conversation, externalUser openidentity.ExternalUser) bool {
if conversation == nil {
return false
}
extID := strings.TrimSpace(externalUser.ExternalID)
if extID == "" || strings.TrimSpace(string(externalUser.ExternalSource)) == "" {
return false
}
return conversation.CustomerType == externalCustomerType(externalUser) &&
strings.TrimSpace(conversation.CustomerExternalID) == extID
}
func (s *conversationService) BuildConversationSummary(conversation *models.Conversation) string {
if conversation == nil {
return ""
}
if strings.TrimSpace(conversation.LastMessageSummary) != "" {
return conversation.LastMessageSummary
}
return strings.TrimSpace(conversation.CustomerName)
}
func externalCustomerType(externalUser openidentity.ExternalUser) string {
if externalUser.SubjectType != "" {
return string(externalUser.SubjectType)
}
return string(externalUser.ExternalSource)
}
func (s *conversationService) canCloseConversation(conversation *models.Conversation, operator *dto.AuthPrincipal) bool {
if conversation == nil || operator == nil {
return false
}
if s.isAdmin(operator) {
return true
}
return conversation.Status == enums.IMConversationStatusActive && conversation.CurrentAssigneeID > 0 && conversation.CurrentAssigneeID == operator.UserID
}
func (s *conversationService) canTransferConversation(conversation *models.Conversation, operator *dto.AuthPrincipal) bool {
if conversation == nil || operator == nil {
return false
}
if s.isAdmin(operator) {
return true
}
return conversation.Status == enums.IMConversationStatusActive &&
conversation.CurrentAssigneeID > 0 &&
conversation.CurrentAssigneeID == operator.UserID
}
func (s *conversationService) isAdmin(operator *dto.AuthPrincipal) bool {
if operator == nil {
return false
}
return operator.SubjectType == identity.SubjectAdmin
}
func (s *conversationService) buildEventPayload(payload map[string]any) string {
if len(payload) == 0 {
return ""
}
data, err := json.Marshal(payload)
if err != nil {
return ""
}
return string(data)
}
func (s *conversationService) GetConversationExternalIdentity(conversation *models.Conversation) *openidentity.ExternalUser {
if conversation == nil || strings.TrimSpace(conversation.CustomerExternalID) == "" {
return nil
}
external := &openidentity.ExternalUser{
ExternalID: strings.TrimSpace(conversation.CustomerExternalID),
ExternalName: strings.TrimSpace(conversation.CustomerName),
SubjectID: conversation.CustomerID,
}
switch conversation.CustomerType {
case string(identity.SubjectCard), string(identity.SubjectDevice), string(identity.SubjectMallUser):
external.ExternalSource = enums.ExternalSourceUser
external.SubjectType = identity.SubjectType(conversation.CustomerType)
default:
external.ExternalSource = enums.ExternalSource(conversation.CustomerType)
}
return external
}
func (s *conversationService) resolveInitialStatus(serviceMode enums.IMConversationServiceMode) enums.IMConversationStatus {
switch serviceMode {
case enums.IMConversationServiceModeHumanOnly:
return enums.IMConversationStatusPending
case enums.IMConversationServiceModeAIOnly, enums.IMConversationServiceModeAIFirst:
return enums.IMConversationStatusAIServing
default:
return enums.IMConversationStatusAIServing
}
}