refactor(prompts-core): 重构代码结构和优化工具函数

service/session/prompt_session_service.go

@@ -21,8 +21,8 @@ import (
 
 // Callback 会话回调
 func Callback(ctx context.Context, req *dto.SessionCallbackReq) (*dto.SessionCallbackRes, error) {
+	fmt.Println("打印会话回调", req)
 	req.Messages["role"] = "assistant"
-
 	// 1) 更新 DB
 	_, err := dao.ComposeSession.Update(ctx, &entity.ComposeSession{
 		SQLBaseDO:       beans.SQLBaseDO{Id: req.EpicycleId},
@@ -163,23 +163,15 @@ func DeleteSession(ctx context.Context, req *dto.DeleteSessionReq) (*dto.DeleteS
 
 // entityToHistoryRound entity → HistoryRound
 func entityToHistoryRound(s *entity.ComposeSession) *dto.HistoryRound {
-	reqMsgs := util.ConvertToMessages(s.RequestContent)
-	respMsgs := util.ConvertToMessages(s.ResponseContent)
-
-	round := &dto.HistoryRound{
+	return &dto.HistoryRound{
 		Id:        s.Id,
 		SessionId: s.SessionId,
 		NodeId:    s.NodeId,
 		CreatedAt: gconv.String(s.CreatedAt),
 		UpdatedAt: gconv.String(s.UpdatedAt),
+		User:      s.RequestContent,
+		Assistant: s.ResponseContent,
 	}
-	if len(reqMsgs) > 0 {
-		round.User = reqMsgs[0]
-	}
-	if len(respMsgs) > 0 {
-		round.Assistant = respMsgs[0]
-	}
-	return round
 }
 
 // sessionsToHistoryRounds 批量转换