689 lines
21 KiB
Go
689 lines
21 KiB
Go
package handler
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import (
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"errors"
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"net/http"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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"kefu-cloud/server/internal/middleware"
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"kefu-cloud/server/internal/model"
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"kefu-cloud/server/internal/ws"
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)
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type WidgetHandler struct{}
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func NewWidgetHandler() *WidgetHandler { return &WidgetHandler{} }
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type WidgetInitReq struct {
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ChannelKey string `json:"channel_key" form:"channel_key"`
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VisitorName string `json:"visitor_name"`
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// 宿主页信息（由 widget.js / 前端上报）
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PageURL string `json:"page_url" form:"page_url"`
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PageTitle string `json:"page_title" form:"page_title"`
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Referrer string `json:"referrer" form:"referrer"`
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}
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type WidgetPageViewReq struct {
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SessionID uint `json:"session_id" binding:"required"`
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VisitorToken string `json:"visitor_token"`
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PageURL string `json:"page_url" binding:"required"`
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PageTitle string `json:"page_title"`
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}
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type WidgetHeartbeatReq struct {
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SessionID uint `json:"session_id" binding:"required"`
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VisitorToken string `json:"visitor_token"`
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}
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type WidgetMessageReq struct {
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SessionID uint `json:"session_id" binding:"required"`
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Content string `json:"content" binding:"required"`
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Type string `json:"type"`
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VisitorToken string `json:"visitor_token"`
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}
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type WidgetRatingReq struct {
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SessionID uint `json:"session_id" binding:"required"`
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Score int `json:"score" binding:"required"`
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Text string `json:"text"`
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VisitorToken string `json:"visitor_token"`
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}
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type WidgetLeaveReq struct {
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SessionID uint `json:"session_id" binding:"required"`
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Content string `json:"content" binding:"required"`
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Name string `json:"name"`
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Phone string `json:"phone"`
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Email string `json:"email"`
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VisitorToken string `json:"visitor_token"`
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}
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var channelKeyPattern = regexp.MustCompile(`^[A-Za-z0-9_-]{3,64}$`)
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var phonePattern = regexp.MustCompile(`^1[3-9]\d{9}$`)
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var emailPattern = regexp.MustCompile(`^[^\s@]+@[^\s@]+\.[^\s@]+$`)
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func (h *WidgetHandler) Init(c *gin.Context) {
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var req WidgetInitReq
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if err := c.ShouldBindQuery(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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if c.Request.Method == http.MethodPost && strings.HasPrefix(c.GetHeader("Content-Type"), "application/json") {
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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}
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if req.ChannelKey == "" {
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req.ChannelKey = c.Query("channel_key")
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}
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if !channelKeyPattern.MatchString(req.ChannelKey) {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "渠道标识无效"})
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return
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}
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var channel model.Channel
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if err := model.DB.
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Where("type = ? AND status = ? AND script_code LIKE ?", "web", "enabled", "%data-id=\""+req.ChannelKey+"\"%").
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First(&channel).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"code": 404, "message": "渠道不存在或已关闭"})
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return
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}
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name := strings.TrimSpace(req.VisitorName)
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if name == "" {
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name = "访客"
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}
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// 创建或查找客户
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var customer model.Customer
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model.DB.Where("tenant_id = ? AND name = ? AND phone = ''", channel.TenantID, name).First(&customer)
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if customer.ID == 0 {
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customer = model.Customer{
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TenantID: channel.TenantID,
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Name: name,
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Source: "网页",
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Status: "online",
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}
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model.DB.Create(&customer)
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}
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visitorToken, visitorTokenHash, err := model.NewVisitorToken()
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "创建访客会话失败"})
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return
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}
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visitorIP, visitorRegion, userAgent, _ := captureVisitorMeta(c)
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pageURL := sanitizePageURL(req.PageURL)
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if pageURL == "" {
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// query 兜底
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pageURL = sanitizePageURL(c.Query("page_url"))
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}
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pageTitle := sanitizePageTitle(req.PageTitle)
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if pageTitle == "" {
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pageTitle = sanitizePageTitle(c.Query("page_title"))
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}
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referrer := sanitizePageURL(req.Referrer)
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if referrer == "" {
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referrer = sanitizePageURL(c.Query("referrer"))
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}
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now := time.Now()
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// 创建会话
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session := model.Session{
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TenantID: channel.TenantID,
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ChannelID: channel.ID,
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CustomerID: customer.ID,
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VisitorTokenHash: visitorTokenHash,
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VisitorIP: visitorIP,
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VisitorRegion: visitorRegion,
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UserAgent: userAgent,
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LandingURL: pageURL,
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LandingTitle: pageTitle,
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Referrer: referrer,
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CurrentURL: pageURL,
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CurrentTitle: pageTitle,
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LastSeenAt: &now,
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Status: "waiting",
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Priority: "normal",
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}
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if err := model.DB.Create(&session).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "创建会话失败"})
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return
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}
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// 首条浏览轨迹
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if pageURL != "" {
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_ = model.DB.Create(&model.VisitorPageView{
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SessionID: session.ID,
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TenantID: channel.TenantID,
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URL: pageURL,
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Title: pageTitle,
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EnteredAt: now,
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}).Error
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}
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model.DB.Model(&model.Customer{}).Where("id = ? AND tenant_id = ?", customer.ID, channel.TenantID).
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Updates(map[string]interface{}{"conversation_count": gorm.Expr("conversation_count + 1"), "last_contact_at": time.Now()})
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onlineCount, err := countOnlineAgents(channel.TenantID)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询在线客服失败"})
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return
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}
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setting, _ := getOrCreateTenantSettings(channel.TenantID)
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withinWorkHours := isWithinWorkHours(setting, time.Now())
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// 非工作时间不自动分配，走留言/排队提示
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canServeNow := onlineCount > 0 && withinWorkHours
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var assignedAgent *model.User
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if canServeNow {
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assignedAgent, err = tryAutoAssign(&session)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "自动分配失败"})
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return
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}
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}
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if payload, err := ws.NewEvent("session_created", session.ID, session); err == nil {
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ws.DefaultHub.BroadcastToTenantStaff(session.TenantID, payload)
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}
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welcomeSegs := resolveWelcomeSegments(setting)
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welcome := firstWelcomeText(welcomeSegs)
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offlinePrompt := offlineLeavePrompt
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agentNickname := defaultAgentNickname
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displayName := "在线客服"
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worktimePrompt := defaultWorktimePrompt
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if setting != nil {
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if setting.OfflinePrompt != "" {
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offlinePrompt = setting.OfflinePrompt
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}
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if setting.AgentNickname != "" {
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agentNickname = setting.AgentNickname
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}
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if setting.DisplayName != "" {
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displayName = setting.DisplayName
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}
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if setting.WorktimePrompt != "" {
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worktimePrompt = setting.WorktimePrompt
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}
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}
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// 非工作时间优先展示非工作时间提示
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if !withinWorkHours {
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offlinePrompt = worktimePrompt
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}
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resp := gin.H{
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"session_id": session.ID,
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"customer_id": customer.ID,
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"channel_id": channel.ID,
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"tenant_id": channel.TenantID,
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"visitor_token": visitorToken,
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"agents_online": canServeNow,
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"online_agent_count": onlineCount,
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"within_work_hours": withinWorkHours,
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"session_status": session.Status,
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"welcome_message": welcome,
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"welcome_messages": welcomeSegs,
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"display_name": displayName,
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"agent_nickname": agentNickname,
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}
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if !canServeNow {
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resp["offline_prompt"] = offlinePrompt
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}
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if assignedAgent != nil {
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resp["agent_id"] = assignedAgent.ID
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resp["agent_name"] = assignedAgent.Nickname
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} else if canServeNow {
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resp["agent_name"] = agentNickname
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}
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resp["landing_url"] = session.LandingURL
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resp["current_url"] = session.CurrentURL
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": resp})
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}
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// PageView POST /api/widget/pageview — 访客换页上报
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func (h *WidgetHandler) PageView(c *gin.Context) {
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var req WidgetPageViewReq
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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token := visitorTokenFromRequest(c, req.VisitorToken)
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session, ok := loadVisitorSession(c, req.SessionID, token)
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if !ok {
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return
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}
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if session.Status == "ended" || session.Status == "archived" {
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c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "会话已结束"})
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return
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}
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pageURL := sanitizePageURL(req.PageURL)
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if pageURL == "" {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "页面地址无效"})
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return
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}
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pageTitle := sanitizePageTitle(req.PageTitle)
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now := time.Now()
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// 与当前页相同则只刷新 last_seen，不重复插轨迹
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if strings.TrimSpace(session.CurrentURL) == pageURL {
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_ = model.DB.Model(session).Updates(map[string]interface{}{
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"last_seen_at": now,
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"current_title": pageTitle,
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}).Error
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": gin.H{"deduped": true}})
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return
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}
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pv := model.VisitorPageView{
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SessionID: session.ID,
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TenantID: session.TenantID,
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URL: pageURL,
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Title: pageTitle,
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EnteredAt: now,
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}
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if err := model.DB.Create(&pv).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "记录失败"})
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return
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}
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_ = model.DB.Model(session).Updates(map[string]interface{}{
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"current_url": pageURL,
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"current_title": pageTitle,
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"last_seen_at": now,
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}).Error
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// 控制单会话条数
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var count int64
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model.DB.Model(&model.VisitorPageView{}).Where("session_id = ?", session.ID).Count(&count)
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if count > maxPageViewsPerSession {
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var oldest []model.VisitorPageView
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model.DB.Where("session_id = ?", session.ID).Order("entered_at asc").
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Limit(int(count - maxPageViewsPerSession)).Find(&oldest)
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ids := make([]uint, 0, len(oldest))
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for _, o := range oldest {
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ids = append(ids, o.ID)
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}
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if len(ids) > 0 {
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model.DB.Where("id IN ?", ids).Delete(&model.VisitorPageView{})
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}
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}
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if payload, err := ws.NewEvent("page_view", session.ID, gin.H{
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"id": pv.ID,
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"session_id": pv.SessionID,
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"url": pv.URL,
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"title": pv.Title,
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"entered_at": pv.EnteredAt,
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}); err == nil {
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ws.DefaultHub.BroadcastToSessionStaff(session.TenantID, session.AgentID, payload)
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}
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": pv})
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}
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// Heartbeat POST /api/widget/heartbeat — 刷新 last_seen，供在线读秒
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func (h *WidgetHandler) Heartbeat(c *gin.Context) {
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var req WidgetHeartbeatReq
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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token := visitorTokenFromRequest(c, req.VisitorToken)
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session, ok := loadVisitorSession(c, req.SessionID, token)
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if !ok {
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return
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}
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if session.Status == "ended" || session.Status == "archived" {
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": gin.H{"ok": true, "ended": true}})
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return
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}
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now := time.Now()
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_ = model.DB.Model(session).Update("last_seen_at", now).Error
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": gin.H{"ok": true, "last_seen_at": now}})
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}
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func visitorTokenFromRequest(c *gin.Context, bodyToken string) string {
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if token := c.GetHeader("X-Visitor-Token"); token != "" {
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return token
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}
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return bodyToken
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}
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func loadVisitorSession(c *gin.Context, sessionID uint, token string) (*model.Session, bool) {
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var session model.Session
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if err := model.DB.First(&session, sessionID).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"code": 404, "message": "会话不存在"})
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return nil, false
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}
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if !model.VerifyVisitorToken(&session, token) {
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c.JSON(http.StatusUnauthorized, gin.H{"code": 401, "message": "访客会话凭证无效"})
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return nil, false
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}
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return &session, true
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}
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func (h *WidgetHandler) SendMessage(c *gin.Context) {
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var req WidgetMessageReq
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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if req.Type == "" {
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req.Type = "text"
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}
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content, err := validateMessageContent(req.Type, req.Content)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": err.Error()})
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return
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}
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session, ok := loadVisitorSession(c, req.SessionID, visitorTokenFromRequest(c, req.VisitorToken))
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if !ok {
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return
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}
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if session.Status == "ended" || session.Status == "archived" {
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c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "会话已结束，请重新发起咨询"})
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return
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}
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custID := session.CustomerID
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msg := model.Message{
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SessionID: session.ID,
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SenderType: "visitor",
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SenderID: &custID,
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Content: content,
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Type: req.Type,
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SentAt: time.Now(),
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}
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if err := model.CreateMessage(&msg); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "发送失败"})
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return
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}
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model.DB.Model(&model.Customer{}).Where("id = ? AND tenant_id = ?", session.CustomerID, session.TenantID).Update("last_contact_at", time.Now())
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// 仍在排队时尝试自动分配（客服刚上线的场景）
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if session.Status == "waiting" && session.AgentID == nil {
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if _, err := tryAutoAssign(session); err == nil {
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_ = model.DB.First(session, session.ID)
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}
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}
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if payload, err := ws.NewEvent("message", session.ID, msg); err == nil {
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if session.AgentID == nil {
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// 等待会话的消息要通知全部客服，便于任一在线客服及时领取。
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ws.DefaultHub.BroadcastToTenantStaff(session.TenantID, payload)
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} else {
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ws.DefaultHub.BroadcastToSession(session.TenantID, session.ID, session.AgentID, payload)
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}
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}
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c.JSON(http.StatusOK, gin.H{"code": 0, "data": msg})
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}
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// LeaveMessage 无客服在线时提交留言并沉淀联系方式。
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func (h *WidgetHandler) LeaveMessage(c *gin.Context) {
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var req WidgetLeaveReq
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
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return
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}
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content, err := validateMessageContent("text", req.Content)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": err.Error()})
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return
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}
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name := strings.TrimSpace(req.Name)
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phone := strings.TrimSpace(req.Phone)
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email := strings.TrimSpace(req.Email)
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if phone == "" && email == "" {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "请至少填写手机号或邮箱，便于我们回复"})
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return
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}
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if phone != "" && !phonePattern.MatchString(phone) {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "手机号格式不正确"})
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return
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}
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if email != "" && !emailPattern.MatchString(email) {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "邮箱格式不正确"})
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return
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}
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if name != "" && (len([]rune(name)) < 2 || len([]rune(name)) > 50) {
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c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "姓名需为 2 至 50 个字符"})
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return
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}
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session, ok := loadVisitorSession(c, req.SessionID, visitorTokenFromRequest(c, req.VisitorToken))
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if !ok {
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return
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}
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if session.Status == "ended" || session.Status == "archived" {
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c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "会话已结束，请重新发起咨询"})
|
|
return
|
|
}
|
|
|
|
// 若此刻已有客服在线，直接走自动分配，留言仍作为普通消息入库
|
|
onlineCount, _ := countOnlineAgents(session.TenantID)
|
|
if onlineCount > 0 && session.Status == "waiting" {
|
|
if _, err := tryAutoAssign(session); err == nil {
|
|
_ = model.DB.First(session, session.ID)
|
|
}
|
|
}
|
|
|
|
updates := map[string]interface{}{"last_contact_at": time.Now()}
|
|
if name != "" {
|
|
updates["name"] = name
|
|
}
|
|
if phone != "" {
|
|
updates["phone"] = phone
|
|
}
|
|
if email != "" {
|
|
updates["email"] = email
|
|
}
|
|
if err := model.DB.Model(&model.Customer{}).Where("id = ? AND tenant_id = ?", session.CustomerID, session.TenantID).
|
|
Updates(updates).Error; err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "更新联系方式失败"})
|
|
return
|
|
}
|
|
|
|
custID := session.CustomerID
|
|
msg := model.Message{
|
|
SessionID: session.ID,
|
|
SenderType: "visitor",
|
|
SenderID: &custID,
|
|
Content: content,
|
|
Type: "text",
|
|
SentAt: time.Now(),
|
|
}
|
|
if err := model.CreateMessage(&msg); err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "留言失败"})
|
|
return
|
|
}
|
|
|
|
contactBits := make([]string, 0, 3)
|
|
if name != "" {
|
|
contactBits = append(contactBits, "姓名:"+name)
|
|
}
|
|
if phone != "" {
|
|
contactBits = append(contactBits, "手机:"+phone)
|
|
}
|
|
if email != "" {
|
|
contactBits = append(contactBits, "邮箱:"+email)
|
|
}
|
|
model.DB.Create(&model.SessionEvent{
|
|
SessionID: session.ID,
|
|
OperatorID: 0,
|
|
Action: "offline_leave",
|
|
Detail: "离线留言 · " + strings.Join(contactBits, " · "),
|
|
})
|
|
|
|
if payload, err := ws.NewEvent("message", session.ID, msg); err == nil {
|
|
if session.AgentID == nil {
|
|
ws.DefaultHub.BroadcastToTenantStaff(session.TenantID, payload)
|
|
} else {
|
|
ws.DefaultHub.BroadcastToSession(session.TenantID, session.ID, session.AgentID, payload)
|
|
}
|
|
}
|
|
if payload, err := ws.NewEvent("session_updated", session.ID, session); err == nil {
|
|
ws.DefaultHub.BroadcastToTenantStaff(session.TenantID, payload)
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{
|
|
"code": 0,
|
|
"data": gin.H{
|
|
"message": msg,
|
|
"session_status": session.Status,
|
|
"agents_online": onlineCount > 0,
|
|
},
|
|
})
|
|
}
|
|
|
|
func visitorTokenFromWebSocket(c *gin.Context) string {
|
|
protocols := strings.Split(c.GetHeader("Sec-WebSocket-Protocol"), ",")
|
|
if len(protocols) == 2 && strings.TrimSpace(protocols[0]) == "kefu-visitor-v1" {
|
|
return strings.TrimSpace(protocols[1])
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (h *WidgetHandler) Connect(c *gin.Context) {
|
|
sessionID, err := strconv.ParseUint(c.Query("session_id"), 10, 64)
|
|
if err != nil || sessionID == 0 {
|
|
c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "会话参数错误"})
|
|
return
|
|
}
|
|
session, ok := loadVisitorSession(c, uint(sessionID), visitorTokenFromWebSocket(c))
|
|
if !ok {
|
|
return
|
|
}
|
|
client, err := ws.UpgradeVisitor(c.Writer, c.Request, session.TenantID, session.ID)
|
|
if err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "升级连接失败"})
|
|
return
|
|
}
|
|
ws.HandleWebSocket(client)
|
|
}
|
|
|
|
func (h *WidgetHandler) SubmitRating(c *gin.Context) {
|
|
var req WidgetRatingReq
|
|
if err := c.ShouldBindJSON(&req); err != nil {
|
|
c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "参数错误"})
|
|
return
|
|
}
|
|
if req.Score < 1 || req.Score > 5 {
|
|
c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "评分应为 1 至 5 星"})
|
|
return
|
|
}
|
|
session, ok := loadVisitorSession(c, req.SessionID, visitorTokenFromRequest(c, req.VisitorToken))
|
|
if !ok {
|
|
return
|
|
}
|
|
if session.Status != "ended" {
|
|
c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "会话结束后才能评价"})
|
|
return
|
|
}
|
|
if session.SatisfactionScore != nil {
|
|
c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "该会话已评价"})
|
|
return
|
|
}
|
|
|
|
if err := model.DB.Transaction(func(tx *gorm.DB) error {
|
|
result := tx.Model(&model.Session{}).Where("id = ? AND satisfaction_score IS NULL", session.ID).
|
|
Updates(map[string]interface{}{"satisfaction_score": req.Score, "satisfaction_text": req.Text})
|
|
if result.Error != nil {
|
|
return result.Error
|
|
}
|
|
if result.RowsAffected == 0 {
|
|
return gorm.ErrRecordNotFound
|
|
}
|
|
return tx.Model(&model.Customer{}).Where("id = ? AND tenant_id = ?", session.CustomerID, session.TenantID).
|
|
Updates(map[string]interface{}{
|
|
"satisfaction_sum": gorm.Expr("satisfaction_sum + ?", req.Score),
|
|
"satisfaction_count": gorm.Expr("satisfaction_count + 1"),
|
|
}).Error
|
|
}); err != nil {
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
c.JSON(http.StatusConflict, gin.H{"code": 409, "message": "该会话已评价"})
|
|
return
|
|
}
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "提交评价失败"})
|
|
return
|
|
}
|
|
|
|
middleware.JSON(c, gin.H{"message": "感谢您的评价"})
|
|
}
|
|
|
|
func (h *WidgetHandler) GetMessages(c *gin.Context) {
|
|
sessionID, err := strconv.ParseUint(c.Query("session_id"), 10, 64)
|
|
if err != nil || sessionID == 0 {
|
|
c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "会话参数错误"})
|
|
return
|
|
}
|
|
session, ok := loadVisitorSession(c, uint(sessionID), visitorTokenFromRequest(c, ""))
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
afterSeq := 0
|
|
if raw := strings.TrimSpace(c.Query("after_seq")); raw != "" {
|
|
parsed, err := strconv.Atoi(raw)
|
|
if err != nil || parsed < 0 {
|
|
c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "after_seq 无效"})
|
|
return
|
|
}
|
|
afterSeq = parsed
|
|
}
|
|
|
|
limit := 200
|
|
if raw := strings.TrimSpace(c.Query("limit")); raw != "" {
|
|
if parsed, err := strconv.Atoi(raw); err == nil && parsed > 0 {
|
|
if parsed > 500 {
|
|
parsed = 500
|
|
}
|
|
limit = parsed
|
|
}
|
|
}
|
|
|
|
query := model.DB.Where("session_id = ?", sessionID)
|
|
if afterSeq > 0 {
|
|
query = query.Where("seq > ?", afterSeq)
|
|
}
|
|
|
|
var messages []model.Message
|
|
if err := query.Order("seq asc").Limit(limit).Find(&messages).Error; err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询消息失败"})
|
|
return
|
|
}
|
|
|
|
var maxSeq int
|
|
if err := model.DB.Model(&model.Message{}).
|
|
Where("session_id = ?", sessionID).
|
|
Select("COALESCE(MAX(seq), 0)").
|
|
Scan(&maxSeq).Error; err != nil {
|
|
c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询消息失败"})
|
|
return
|
|
}
|
|
|
|
hasMore := len(messages) >= limit && (len(messages) == 0 || messages[len(messages)-1].Seq < maxSeq)
|
|
c.JSON(http.StatusOK, gin.H{
|
|
"code": 0,
|
|
"data": gin.H{
|
|
"messages": messages,
|
|
"after_seq": afterSeq,
|
|
"max_seq": maxSeq,
|
|
"has_more": hasMore,
|
|
"session_status": session.Status,
|
|
"satisfaction_score": session.SatisfactionScore,
|
|
},
|
|
})
|
|
}
|