消息表添加会话ID索引、消息类型区分，豆包模型测试历史消息

dao/im.go

@@ -16,12 +16,12 @@ type Session struct {
 
 type Message struct {
 	gorm.Model
-	Type      int    `gorm:"column:type"` //1用户之间的消息，2为与模型消息
+	Type      int    `gorm:"column:type"`             //1用户之间的消息，2为与模型消息
-	SessionID int    `gorm:"column:session_id"`
+	SessionID int    `gorm:"column:session_id;index"` //添加索引
-	FromID    int    `gorm:"column:from_id"` //发送者,可以为用户或者模型
+	FromID    int    `gorm:"column:from_id"`          //发送者,可以为用户或者模型
-	ToID      int    `gorm:"column:to_id"`   //接收者,可以为用户或者模型,如果为模型，则为模型id，根据type判断
+	ToID      int    `gorm:"column:to_id"`            //接收者,可以为用户或者模型,如果为模型，则为模型id，根据type判断
-	Msg       string `gorm:"column:msg"`     //消息内容
+	Msg       string `gorm:"column:msg"`              //消息内容
-	Status    int    `gorm:"column:status"`  //0为未读，1为已读
+	Status    int    `gorm:"column:status"`           //0为未读，1为已读
 }
 
 func CreateSession(userID int, name string) (error, uint) {
@@ -106,6 +106,16 @@ func FindMessageBySessionID(sessionID int) []Message {
 	return messages
 }
 
+func FindMessageBySessionIDV2(sessionID int) []Message {
+	var messages []Message
+	if proto.Config.SERVER_SQL_LOG {
+		DB.Debug().Where("session_id = ?", sessionID).Find(&messages)
+	} else {
+		DB.Where("session_id = ?", sessionID).Find(&messages)
+	}
+	return messages
+}
+
 type SessionMessageCount struct {
 	SessionID int `gorm:"column:session_id"`
 	Count     int `gorm:"column:count"`

handler/im.go

@@ -211,7 +211,7 @@ func doReceiveGenChatMessage(userId int, sessionID *uint, data *proto.WSMessageR
 
 	var userMsgID uint
 	//将消息存入数据库
-	err, userMsgID = service.CreateMessage(proto.UserAndModelMsgType, int(*sessionID), userId, int(model.ID), data.Msg, proto.MsgHasRead)
+	err, userMsgID = service.CreateMessage(proto.UserToModelMsgType, int(*sessionID), userId, int(model.ID), data.Msg, proto.MsgHasRead)
 	log.Println("create user message id:", userMsgID)
 	if err != nil {
 		return err

proto/status.go

@@ -94,6 +94,11 @@ const (
 	// 代码中使用常量定义
 	UserAndModelMsgType = 2 // 用户与模型消息类型
 	MsgHasRead          = 1 // 消息已读
+
+	//用户发到模型
+	UserToModelMsgType = 3
+	//模型发到用户
+	ModelToUserMsgType = 4
 )
 
 // 豆包返回的数据停止原因

service/doubao.go

@@ -23,6 +23,12 @@ func doubao(modelParam proto.ModelParam, question, channel string, SessionID, Us
 		arkruntime.WithBaseUrl(modelParam.Url),
 	)
 	ctx := context.Background()
+	messages := make([]model.ChatCompletionMessage, 0)
+	err := GetDouBaoSessionHistoryMsg(SessionID, "", &messages, question)
+	if err != nil {
+		log.Println("get doubao session history message error:", err)
+	}
+	log.Println("doubao messages:", messages)
 
 	req := model.CreateChatCompletionRequest{
 		Model: modelParam.Model,
@@ -76,7 +82,7 @@ func doubao(modelParam proto.ModelParam, question, channel string, SessionID, Us
 		}
 	}
 	//将消息存入数据库
-	err, _ = dao.CreateMessage(SessionID, modelID, UserID, proto.UserAndModelMsgType, proto.MsgHasRead, answer)
+	err, _ = dao.CreateMessage(SessionID, modelID, UserID, proto.ModelToUserMsgType, proto.MsgHasRead, answer)
 	if err != nil {
 		log.Println("spark create message error:", err)
 	}
@@ -108,3 +114,37 @@ func doubaoToGeneralMassageAndSendMsgQueue(data *model.ChatCompletionStreamRespo
 	wsMsgStr, _ := json.Marshal(wsMsg)
 	worker.Publish(channel, string(wsMsgStr), time.Second*60)
 }
+
+func GetDouBaoSessionHistoryMsg(sessionID int, systemPrompt string, messages *[]model.ChatCompletionMessage, prompt string) error {
+	var err error
+	//添加系统
+	if systemPrompt != "" {
+		var message model.ChatCompletionMessage
+		message.Role = model.ChatMessageRoleSystem
+		message.Content = &model.ChatCompletionMessageContent{
+			StringValue: volcengine.String(systemPrompt),
+		}
+		*messages = append(*messages, message)
+	}
+	//获取该会话的历史消息
+	msgs := dao.FindMessageBySessionIDV2(sessionID)
+	for _, v := range msgs {
+		var message model.ChatCompletionMessage
+		if v.Type == proto.UserToModelMsgType {
+			message.Role = model.ChatMessageRoleUser
+		} else {
+			message.Role = model.ChatMessageRoleAssistant
+		}
+		message.Content = &model.ChatCompletionMessageContent{
+			StringValue: volcengine.String(v.Msg),
+		}
+		*messages = append(*messages, message)
+	}
+	//添加本次请求消息
+	var message model.ChatCompletionMessage
+	message.Role = model.ChatMessageRoleUser
+	message.Content = &model.ChatCompletionMessageContent{
+		StringValue: volcengine.String(prompt),
+	}
+	return err
+}

service/spark.go

@@ -164,7 +164,7 @@ func Spark(modelParam proto.ModelParam, question, channel string, SessionID, Use
 		} else {
 			answer += data.Payload.Choices.Text[0].Content
 		}
-		go CreateAIStreamMsg(UserID, 4, SessionID, data, modelParam.Model)
+		go CreateAIStreamMsg(UserID, modelID, SessionID, data, modelParam.Model)
 		SparkToGeneralMassageAndSendMsgQueue(&data, channel, SessionID, UserID)
 	}