135 lines
4.3 KiB
Go
135 lines
4.3 KiB
Go
package dao
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import (
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"StuAcaWorksAI/proto"
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"encoding/json"
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"gorm.io/gorm"
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"log"
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)
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type Session struct {
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gorm.Model
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UserID int `gorm:"column:user_id"` //只能由用户创建
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Name string `gorm:"column:name"`
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Context json.RawMessage `gorm:"column:context;type:json"` //会话上下文
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}
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type Message struct {
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gorm.Model
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Type int `gorm:"column:type"` //1用户之间的消息，2为与模型消息
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SessionID int `gorm:"column:session_id;index"` //添加索引
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FromID int `gorm:"column:from_id"` //发送者,可以为用户或者模型
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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
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Msg string `gorm:"column:msg"` //消息内容
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Status int `gorm:"column:status"` //0为未读，1为已读
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}
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func CreateSession(userID int, name string) (error, uint) {
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session := Session{UserID: userID, Name: name}
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var res *gorm.DB
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if proto.Config.SERVER_SQL_LOG {
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res = DB.Debug().Create(&session)
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} else {
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res = DB.Create(&session)
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}
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return res.Error, session.ID
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}
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func FindSessionByID(id int) Session {
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var session Session
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if proto.Config.SERVER_SQL_LOG {
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DB.Debug().Where("id = ?", id).First(&session)
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} else {
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DB.Where("id = ?", id).First(&session)
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}
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return session
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}
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// 获取用户最新的创建时间会话列表 50个
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func FindSessionByUserID(userID int) []Session {
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var sessions []Session
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if proto.Config.SERVER_SQL_LOG {
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DB.Debug().Where("user_id = ?", userID).Order("created_at DESC").Limit(50).Find(&sessions)
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} else {
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DB.Where("user_id = ?", userID).Order("created_at DESC").Limit(50).Find(&sessions)
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}
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return sessions
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}
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// 更新会话的名字
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func UpdateSessionByID(id int, userId int, name string, context []int) error {
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var res *gorm.DB
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contextJson, err := json.Marshal(context)
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if err != nil {
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log.Println("update session json marshal error:", err)
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}
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if proto.Config.SERVER_SQL_LOG {
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res = DB.Debug().Model(&Session{}).Where("id = ? AND user_id = ?", id, userId).Updates(Session{Name: name}).Update("context", contextJson)
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} else {
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res = DB.Model(&Session{}).Where("id = ? AND user_id = ?", id, userId).Updates(Session{Name: name, Context: nil}).Update("context", contextJson)
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}
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return res.Error
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}
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// 删除会话
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func DeleteSessionByID(id int) error {
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var res *gorm.DB
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if proto.Config.SERVER_SQL_LOG {
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res = DB.Debug().Delete(&Session{}, id)
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} else {
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res = DB.Delete(&Session{}, id)
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}
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return res.Error
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}
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// 创建消息
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func CreateMessage(sessionID, fromID, toID, msgType, status int, msg string) (error, uint) {
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message := Message{SessionID: sessionID, FromID: fromID, ToID: toID, Type: msgType, Status: status, Msg: msg}
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var res *gorm.DB
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if proto.Config.SERVER_SQL_LOG {
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res = DB.Debug().Create(&message)
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} else {
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res = DB.Create(&message)
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}
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return res.Error, message.ID
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}
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// 根据会话id获取消息
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func FindMessageBySessionID(sessionID int) []Message {
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var messages []Message
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if proto.Config.SERVER_SQL_LOG {
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DB.Debug().Where("session_id = ?", sessionID).Order("created_at DESC").Find(&messages)
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} else {
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DB.Where("session_id = ?", sessionID).Order("created_at DESC").Find(&messages)
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}
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return messages
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}
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func FindMessageBySessionIDV2(sessionID int) []Message {
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var messages []Message
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if proto.Config.SERVER_SQL_LOG {
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DB.Debug().Where("session_id = ?", sessionID).Find(&messages)
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} else {
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DB.Where("session_id = ?", sessionID).Find(&messages)
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}
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return messages
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}
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type SessionMessageCount struct {
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SessionID int `gorm:"column:session_id"`
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Count int `gorm:"column:count"`
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}
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// 获取属于用户的会话消息数量
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func FindSessionMessageCountByUserID(userID int) []SessionMessageCount {
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var sessionMessageCounts []SessionMessageCount
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if proto.Config.SERVER_SQL_LOG {
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//DB.Debug().Exec("Select session_id, count(*) as count from messages where to_id = ? or from_id=? group by session_id", userID,userID).Scan(&sessionMessageCounts)
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DB.Debug().Table("messages").Select("session_id, count(*) as count").Where("to_id = ? or from_id= ?", userID, userID).Group("session_id").Scan(&sessionMessageCounts)
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} else {
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DB.Table("messages").Select("session_id, count(*) as count").Where("to_id = ? or from_id= ?", userID, userID).Group("session_id").Scan(&sessionMessageCounts)
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}
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return sessionMessageCounts
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}
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