Go: add audit log framework (#17129)

### Summary

Prepare for audit log

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

internal/admin/handler_ee.go

@@ -1968,3 +1968,29 @@ func (h *Handler) GetTokenStatsSummary(c *gin.Context) {
 
 	common.SuccessWithData(c, stats, "success")
 }
+
+func (h *Handler) ListLogs(c *gin.Context) {
+	userName := c.Query("user_name")
+	if userName == "" {
+		common.ErrorWithCode(c, common.CodeBadRequest, "User name is required")
+		return
+	}
+	days := c.Query("days")
+	if days == "" {
+		days = "7"
+	}
+	daysInt, err := strconv.Atoi(days)
+	if err != nil {
+		common.ErrorWithCode(c, common.CodeBadRequest, "Invalid days")
+		return
+	}
+
+	stats, err := h.service.ListLogs(userName, daysInt)
+	if err != nil {
+		common.ErrorWithCode(c, common.CodeDataError, err.Error())
+		return
+	}
+
+	common.SuccessWithData(c, stats, "success")
+
+}

internal/admin/router_ee.go

@@ -80,6 +80,9 @@ func RegisterEERouter(protected *gin.RouterGroup, r *Router) {
 	protected.GET("/stats/token/users", r.handler.GetTokenUsersStats)
 	protected.GET("/stats/token/summary", r.handler.GetTokenStatsSummary)
 
+	// Logs
+	protected.GET("/logs", r.handler.ListLogs)
+
 	// Stats data info
 	protected.GET("/users/:username/activity", r.handler.ShowUserActivity)
 	protected.GET("/users/:username/dataset", r.handler.ShowUserDatasetSummary)

internal/admin/service_ee.go

@@ -1328,3 +1328,16 @@ func (s *Service) GetTokenStatsSummary(fromDate, toDate string) (map[string]inte
 
 	return result, nil
 }
+
+// ListLogs lists operation logs for the user.
+func (s *Service) ListLogs(userName string, days int) ([]map[string]interface{}, error) {
+	result := []map[string]interface{}{
+		{
+			"command":   "list_logs",
+			"user_name": userName,
+			"days":      days,
+			"error":     "'List operation logs' is not supported",
+		},
+	}
+	return result, nil
+}