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Open-IM-Server
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Open-IM-Server/pkg/common/db/unrelation/mongo_model.go

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package unrelation
// deleteMsgByLogic
//func (d *db.DataBases) DelMsgBySeqList(userID string, seqList []uint32, operationID string) (totalUnexistSeqList []uint32, err error) {
// log.Debug(operationID, utils.GetSelfFuncName(), "args ", userID, seqList)
// sortkeys.Uint32s(seqList)
// suffixUserID2SubSeqList := func(uid string, seqList []uint32) map[string][]uint32 {
// t := make(map[string][]uint32)
// for i := 0; i < len(seqList); i++ {
// seqUid := getSeqUid(uid, seqList[i])
// if value, ok := t[seqUid]; !ok {
// var temp []uint32
// t[seqUid] = append(temp, seqList[i])
// } else {
// t[seqUid] = append(value, seqList[i])
// }
// }
// return t
// }(userID, seqList)
//
// lock := sync.Mutex{}
// var wg sync.WaitGroup
// wg.Add(len(suffixUserID2SubSeqList))
// for k, v := range suffixUserID2SubSeqList {
// go func(suffixUserID string, subSeqList []uint32, operationID string) {
// defer wg.Done()
// unexistSeqList, err := d.DelMsgBySeqListInOneDoc(suffixUserID, subSeqList, operationID)
// if err != nil {
// log.Error(operationID, "DelMsgBySeqListInOneDoc failed ", err.Error(), suffixUserID, subSeqList)
// return
// }
// lock.Lock()
// totalUnexistSeqList = append(totalUnexistSeqList, unexistSeqList...)
// lock.Unlock()
// }(k, v, operationID)
// }
// return totalUnexistSeqList, err
//}
//
//func (d *db.DataBases) DelMsgBySeqListInOneDoc(suffixUserID string, seqList []uint32, operationID string) ([]uint32, error) {
// log.Debug(operationID, utils.GetSelfFuncName(), "args ", suffixUserID, seqList)
// seqMsgList, indexList, unexistSeqList, err := d.GetMsgAndIndexBySeqListInOneMongo2(suffixUserID, seqList, operationID)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// for i, v := range seqMsgList {
// if err := d.ReplaceMsgByIndex(suffixUserID, v, operationID, indexList[i]); err != nil {
// return nil, utils.Wrap(err, "")
// }
// }
// return unexistSeqList, nil
//}
// deleteMsgByLogic
//func (d *db.DataBases) DelMsgLogic(uid string, seqList []uint32, operationID string) error {
// sortkeys.Uint32s(seqList)
// seqMsgs, err := d.GetMsgBySeqListMongo2(uid, seqList, operationID)
// if err != nil {
// return utils.Wrap(err, "")
// }
// for _, seqMsg := range seqMsgs {
// log.NewDebug(operationID, utils.GetSelfFuncName(), *seqMsg)
// seqMsg.Status = constant.MsgDeleted
// if err = d.ReplaceMsgBySeq(uid, seqMsg, operationID); err != nil {
// log.NewError(operationID, utils.GetSelfFuncName(), "ReplaceMsgListBySeq error", err.Error())
// }
// }
// return nil
//}
//func (d *db.DataBases) ReplaceMsgByIndex(suffixUserID string, msg *sdkws.MsgData, operationID string, seqIndex int) error {
// log.NewInfo(operationID, utils.GetSelfFuncName(), suffixUserID, *msg)
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// s := fmt.Sprintf("msg.%d.msg", seqIndex)
// log.NewDebug(operationID, utils.GetSelfFuncName(), seqIndex, s)
// msg.Status = constant.MsgDeleted
// bytes, err := proto.Marshal(msg)
// if err != nil {
// log.NewError(operationID, utils.GetSelfFuncName(), "proto marshal failed ", err.Error(), msg.String())
// return utils.Wrap(err, "")
// }
// updateResult, err := c.UpdateOne(ctx, bson.M{"uid": suffixUserID}, bson.M{"$set": bson.M{s: bytes}})
// log.NewInfo(operationID, utils.GetSelfFuncName(), updateResult)
// if err != nil {
// log.NewError(operationID, utils.GetSelfFuncName(), "UpdateOne", err.Error())
// return utils.Wrap(err, "")
// }
// return nil
//}
//func (d *db.DataBases) ReplaceMsgBySeq(uid string, msg *sdkws.MsgData, operationID string) error {
// log.NewInfo(operationID, utils.GetSelfFuncName(), uid, *msg)
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// uid = getSeqUid(uid, msg.Seq)
// seqIndex := getMsgIndex(msg.Seq)
// s := fmt.Sprintf("msg.%d.msg", seqIndex)
// log.NewDebug(operationID, utils.GetSelfFuncName(), seqIndex, s)
// bytes, err := proto.Marshal(msg)
// if err != nil {
// log.NewError(operationID, utils.GetSelfFuncName(), "proto marshal", err.Error())
// return utils.Wrap(err, "")
// }
//
// updateResult, err := c.UpdateOne(
// ctx, bson.M{"uid": uid},
// bson.M{"$set": bson.M{s: bytes}})
// log.NewInfo(operationID, utils.GetSelfFuncName(), updateResult)
// if err != nil {
// log.NewError(operationID, utils.GetSelfFuncName(), "UpdateOne", err.Error())
// return utils.Wrap(err, "")
// }
// return nil
//}
//
//func (d *db.DataBases) UpdateOneMsgList(msg *UserChat) error {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// _, err := c.UpdateOne(ctx, bson.M{"uid": msg.UID}, bson.M{"$set": bson.M{"msg": msg.Msg}})
// return err
//}
//
//func (d *db.DataBases) GetMsgBySeqList(uid string, seqList []uint32, operationID string) (seqMsg []*sdkws.MsgData, err error) {
// log.NewInfo(operationID, utils.GetSelfFuncName(), uid, seqList)
// var hasSeqList []uint32
// singleCount := 0
// session := d.mgoSession.Clone()
// if session == nil {
// return nil, errors.New("session == nil")
// }
// defer session.Close()
// c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
// m := func(uid string, seqList []uint32) map[string][]uint32 {
// t := make(map[string][]uint32)
// for i := 0; i < len(seqList); i++ {
// seqUid := getSeqUid(uid, seqList[i])
// if value, ok := t[seqUid]; !ok {
// var temp []uint32
// t[seqUid] = append(temp, seqList[i])
// } else {
// t[seqUid] = append(value, seqList[i])
// }
// }
// return t
// }(uid, seqList)
// sChat := UserChat{}
// for seqUid, value := range m {
// if err = c.Find(bson.M{"uid": seqUid}).One(&sChat); err != nil {
// log.NewError(operationID, "not find seqUid", seqUid, value, uid, seqList, err.Error())
// continue
// }
// singleCount = 0
// for i := 0; i < len(sChat.Msg); i++ {
// msg := new(sdkws.MsgData)
// if err = proto.Unmarshal(sChat.Msg[i].Msg, msg); err != nil {
// log.NewError(operationID, "Unmarshal err", seqUid, value, uid, seqList, err.Error())
// return nil, err
// }
// if isContainInt32(msg.Seq, value) {
// seqMsg = append(seqMsg, msg)
// hasSeqList = append(hasSeqList, msg.Seq)
// singleCount++
// if singleCount == len(value) {
// break
// }
// }
// }
// }
// if len(hasSeqList) != len(seqList) {
// var diff []uint32
// diff = utils.Difference(hasSeqList, seqList)
// exceptionMSg := genExceptionMessageBySeqList(diff)
// seqMsg = append(seqMsg, exceptionMSg...)
//
// }
// return seqMsg, nil
//}
//
//func (d *db.DataBases) GetUserMsgListByIndex(ID string, index int64) (*UserChat, error) {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// regex := fmt.Sprintf("^%s", ID)
// findOpts := options.Find().SetLimit(1).SetSkip(index).SetSort(bson.M{"uid": 1})
// var msgs []UserChat
// //primitive.Regex{Pattern: regex}
// cursor, err := c.Find(ctx, bson.M{"uid": primitive.Regex{Pattern: regex}}, findOpts)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// err = cursor.All(context.Background(), &msgs)
// if err != nil {
// return nil, utils.Wrap(err, fmt.Sprintf("cursor is %s", cursor.Current.String()))
// }
// if len(msgs) > 0 {
// return &msgs[0], nil
// } else {
// return nil, ErrMsgListNotExist
// }
//}
//
//func (d *db.DataBases) DelMongoMsgs(IDList []string) error {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// _, err := c.DeleteMany(ctx, bson.M{"uid": bson.M{"$in": IDList}})
// return err
//}
//
//func (d *db.DataBases) ReplaceMsgToBlankByIndex(suffixID string, index int) (replaceMaxSeq uint32, err error) {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// userChat := &UserChat{}
// err = c.FindOne(ctx, bson.M{"uid": suffixID}).Decode(&userChat)
// if err != nil {
// return 0, err
// }
// for i, msg := range userChat.Msg {
// if i <= index {
// msgPb := &sdkws.MsgData{}
// if err = proto.Unmarshal(msg.Msg, msgPb); err != nil {
// continue
// }
// newMsgPb := &sdkws.MsgData{Seq: msgPb.Seq}
// bytes, err := proto.Marshal(newMsgPb)
// if err != nil {
// continue
// }
// msg.Msg = bytes
// msg.SendTime = 0
// replaceMaxSeq = msgPb.Seq
// }
// }
// _, err = c.UpdateOne(ctx, bson.M{"uid": suffixID}, bson.M{"$set": bson.M{"msg": userChat.Msg}})
// return replaceMaxSeq, err
//}
//
//func (d *db.DataBases) GetNewestMsg(ID string) (msg *sdkws.MsgData, err error) {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// regex := fmt.Sprintf("^%s", ID)
// findOpts := options.Find().SetLimit(1).SetSort(bson.M{"uid": -1})
// var userChats []UserChat
// cursor, err := c.Find(ctx, bson.M{"uid": bson.M{"$regex": regex}}, findOpts)
// if err != nil {
// return nil, err
// }
// err = cursor.All(ctx, &userChats)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// if len(userChats) > 0 {
// if len(userChats[0].Msg) > 0 {
// msgPb := &sdkws.MsgData{}
// err = proto.Unmarshal(userChats[0].Msg[len(userChats[0].Msg)-1].Msg, msgPb)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// return msgPb, nil
// }
// return nil, errors.New("len(userChats[0].Msg) < 0")
// }
// return nil, nil
//}
//
//func (d *db.DataBases) GetOldestMsg(ID string) (msg *sdkws.MsgData, err error) {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// regex := fmt.Sprintf("^%s", ID)
// findOpts := options.Find().SetLimit(1).SetSort(bson.M{"uid": 1})
// var userChats []UserChat
// cursor, err := c.Find(ctx, bson.M{"uid": bson.M{"$regex": regex}}, findOpts)
// if err != nil {
// return nil, err
// }
// err = cursor.All(ctx, &userChats)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// var oldestMsg []byte
// if len(userChats) > 0 {
// for _, v := range userChats[0].Msg {
// if v.SendTime != 0 {
// oldestMsg = v.Msg
// break
// }
// }
// if len(oldestMsg) == 0 {
// oldestMsg = userChats[0].Msg[len(userChats[0].Msg)-1].Msg
// }
// msgPb := &sdkws.MsgData{}
// err = proto.Unmarshal(oldestMsg, msgPb)
// if err != nil {
// return nil, utils.Wrap(err, "")
// }
// return msgPb, nil
// }
// return nil, nil
//}
//
//func (d *db.DataBases) GetMsgBySeqListMongo2(uid string, seqList []uint32, operationID string) (seqMsg []*sdkws.MsgData, err error) {
// var hasSeqList []uint32
// singleCount := 0
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
//
// m := func(uid string, seqList []uint32) map[string][]uint32 {
// t := make(map[string][]uint32)
// for i := 0; i < len(seqList); i++ {
// seqUid := getSeqUid(uid, seqList[i])
// if value, ok := t[seqUid]; !ok {
// var temp []uint32
// t[seqUid] = append(temp, seqList[i])
// } else {
// t[seqUid] = append(value, seqList[i])
// }
// }
// return t
// }(uid, seqList)
// sChat := UserChat{}
// for seqUid, value := range m {
// if err = c.FindOne(ctx, bson.M{"uid": seqUid}).Decode(&sChat); err != nil {
// log.NewError(operationID, "not find seqUid", seqUid, value, uid, seqList, err.Error())
// continue
// }
// singleCount = 0
// for i := 0; i < len(sChat.Msg); i++ {
// msg := new(sdkws.MsgData)
// if err = proto.Unmarshal(sChat.Msg[i].Msg, msg); err != nil {
// log.NewError(operationID, "Unmarshal err", seqUid, value, uid, seqList, err.Error())
// return nil, err
// }
// if isContainInt32(msg.Seq, value) {
// seqMsg = append(seqMsg, msg)
// hasSeqList = append(hasSeqList, msg.Seq)
// singleCount++
// if singleCount == len(value) {
// break
// }
// }
// }
// }
// if len(hasSeqList) != len(seqList) {
// var diff []uint32
// diff = utils.Difference(hasSeqList, seqList)
// exceptionMSg := genExceptionMessageBySeqList(diff)
// seqMsg = append(seqMsg, exceptionMSg...)
//
// }
// return seqMsg, nil
//}
//func (d *db.DataBases) GetSuperGroupMsgBySeqListMongo(groupID string, seqList []uint32, operationID string) (seqMsg []*sdkws.MsgData, err error) {
// var hasSeqList []uint32
// singleCount := 0
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
//
// m := func(uid string, seqList []uint32) map[string][]uint32 {
// t := make(map[string][]uint32)
// for i := 0; i < len(seqList); i++ {
// seqUid := getSeqUid(uid, seqList[i])
// if value, ok := t[seqUid]; !ok {
// var temp []uint32
// t[seqUid] = append(temp, seqList[i])
// } else {
// t[seqUid] = append(value, seqList[i])
// }
// }
// return t
// }(groupID, seqList)
// sChat := UserChat{}
// for seqUid, value := range m {
// if err = c.FindOne(ctx, bson.M{"uid": seqUid}).Decode(&sChat); err != nil {
// log.NewError(operationID, "not find seqGroupID", seqUid, value, groupID, seqList, err.Error())
// continue
// }
// singleCount = 0
// for i := 0; i < len(sChat.Msg); i++ {
// msg := new(sdkws.MsgData)
// if err = proto.Unmarshal(sChat.Msg[i].Msg, msg); err != nil {
// log.NewError(operationID, "Unmarshal err", seqUid, value, groupID, seqList, err.Error())
// return nil, err
// }
// if isContainInt32(msg.Seq, value) {
// seqMsg = append(seqMsg, msg)
// hasSeqList = append(hasSeqList, msg.Seq)
// singleCount++
// if singleCount == len(value) {
// break
// }
// }
// }
// }
// if len(hasSeqList) != len(seqList) {
// var diff []uint32
// diff = utils.Difference(hasSeqList, seqList)
// exceptionMSg := genExceptionSuperGroupMessageBySeqList(diff, groupID)
// seqMsg = append(seqMsg, exceptionMSg...)
//
// }
// return seqMsg, nil
//}
//
//func (d *db.DataBases) GetMsgAndIndexBySeqListInOneMongo2(suffixUserID string, seqList []uint32, operationID string) (seqMsg []*sdkws.MsgData, indexList []int, unexistSeqList []uint32, err error) {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// sChat := UserChat{}
// if err = c.FindOne(ctx, bson.M{"uid": suffixUserID}).Decode(&sChat); err != nil {
// log.NewError(operationID, "not find seqUid", suffixUserID, err.Error())
// return nil, nil, nil, utils.Wrap(err, "")
// }
// singleCount := 0
// var hasSeqList []uint32
// for i := 0; i < len(sChat.Msg); i++ {
// msg := new(sdkws.MsgData)
// if err = proto.Unmarshal(sChat.Msg[i].Msg, msg); err != nil {
// log.NewError(operationID, "Unmarshal err", msg.String(), err.Error())
// return nil, nil, nil, err
// }
// if isContainInt32(msg.Seq, seqList) {
// indexList = append(indexList, i)
// seqMsg = append(seqMsg, msg)
// hasSeqList = append(hasSeqList, msg.Seq)
// singleCount++
// if singleCount == len(seqList) {
// break
// }
// }
// }
// for _, i := range seqList {
// if isContainInt32(i, hasSeqList) {
// continue
// }
// unexistSeqList = append(unexistSeqList, i)
// }
// return seqMsg, indexList, unexistSeqList, nil
//}
//
//func genExceptionMessageBySeqList(seqList []uint32) (exceptionMsg []*sdkws.MsgData) {
// for _, v := range seqList {
// msg := new(sdkws.MsgData)
// msg.Seq = v
// exceptionMsg = append(exceptionMsg, msg)
// }
// return exceptionMsg
//}
//
//func genExceptionSuperGroupMessageBySeqList(seqList []uint32, groupID string) (exceptionMsg []*sdkws.MsgData) {
// for _, v := range seqList {
// msg := new(sdkws.MsgData)
// msg.Seq = v
// msg.GroupID = groupID
// msg.SessionType = constant.SuperGroupChatType
// exceptionMsg = append(exceptionMsg, msg)
// }
// return exceptionMsg
//}
//
//func (d *db.DataBases) SaveUserChatMongo2(uid string, sendTime int64, m *pbMsg.MsgDataToDB) error {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// newTime := getCurrentTimestampByMill()
// operationID := ""
// seqUid := getSeqUid(uid, m.MsgData.Seq)
// filter := bson.M{"uid": seqUid}
// var err error
// sMsg := MsgInfo{}
// sMsg.SendTime = sendTime
// if sMsg.Msg, err = proto.Marshal(m.MsgData); err != nil {
// return utils.Wrap(err, "")
// }
// err = c.FindOneAndUpdate(ctx, filter, bson.M{"$push": bson.M{"msg": sMsg}}).Err()
// log.NewWarn(operationID, "get mgoSession cost time", getCurrentTimestampByMill()-newTime)
// if err != nil {
// sChat := UserChat{}
// sChat.UID = seqUid
// sChat.Msg = append(sChat.Msg, sMsg)
// if _, err = c.InsertOne(ctx, &sChat); err != nil {
// log.NewDebug(operationID, "InsertOne failed", filter)
// return utils.Wrap(err, "")
// }
// } else {
// log.NewDebug(operationID, "FindOneAndUpdate ok", filter)
// }
//
// log.NewDebug(operationID, "find mgo uid cost time", getCurrentTimestampByMill()-newTime)
// return nil
//}
//
//func (d *DataBases) SaveUserChatListMongo2(uid string, sendTime int64, msgList []*pbMsg.MsgDataToDB) error {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// newTime := getCurrentTimestampByMill()
// operationID := ""
// seqUid := ""
// msgListToMongo := make([]MsgInfo, 0)
//
// for _, m := range msgList {
// seqUid = getSeqUid(uid, m.MsgData.Seq)
// var err error
// sMsg := MsgInfo{}
// sMsg.SendTime = sendTime
// if sMsg.Msg, err = proto.Marshal(m.MsgData); err != nil {
// return utils.Wrap(err, "")
// }
// msgListToMongo = append(msgListToMongo, sMsg)
// }
//
// filter := bson.M{"uid": seqUid}
// log.NewDebug(operationID, "filter ", seqUid)
// err := c.FindOneAndUpdate(ctx, filter, bson.M{"$push": bson.M{"msg": bson.M{"$each": msgListToMongo}}}).Err()
// log.NewWarn(operationID, "get mgoSession cost time", getCurrentTimestampByMill()-newTime)
// if err != nil {
// sChat := UserChat{}
// sChat.UID = seqUid
// sChat.Msg = msgListToMongo
//
// if _, err = c.InsertOne(ctx, &sChat); err != nil {
// log.NewError(operationID, "InsertOne failed", filter, err.Error(), sChat)
// return utils.Wrap(err, "")
// }
// } else {
// log.NewDebug(operationID, "FindOneAndUpdate ok", filter)
// }
//
// log.NewDebug(operationID, "find mgo uid cost time", getCurrentTimestampByMill()-newTime)
// return nil
//}
//func (d *db.DataBases) SaveUserChat(uid string, sendTime int64, m *pbMsg.MsgDataToDB) error {
// var seqUid string
// newTime := getCurrentTimestampByMill()
// session := d.mgoSession.Clone()
// if session == nil {
// return errors.New("session == nil")
// }
// defer session.Close()
// log.NewDebug("", "get mgoSession cost time", getCurrentTimestampByMill()-newTime)
// c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
// seqUid = getSeqUid(uid, m.MsgData.Seq)
// n, err := c.Find(bson.M{"uid": seqUid}).Count()
// if err != nil {
// return err
// }
// log.NewDebug("", "find mgo uid cost time", getCurrentTimestampByMill()-newTime)
// sMsg := MsgInfo{}
// sMsg.SendTime = sendTime
// if sMsg.Msg, err = proto.Marshal(m.MsgData); err != nil {
// return err
// }
// if n == 0 {
// sChat := UserChat{}
// sChat.UID = seqUid
// sChat.Msg = append(sChat.Msg, sMsg)
// err = c.Insert(&sChat)
// if err != nil {
// return err
// }
// } else {
// err = c.Update(bson.M{"uid": seqUid}, bson.M{"$push": bson.M{"msg": sMsg}})
// if err != nil {
// return err
// }
// }
// log.NewDebug("", "insert mgo data cost time", getCurrentTimestampByMill()-newTime)
// return nil
//}
//
//func (d *db.DataBases) DelUserChatMongo2(uid string) error {
// ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
// c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cChat)
// filter := bson.M{"uid": uid}
//
// delTime := time.Now().Unix() - int64(config.Config.Mongo.DBRetainChatRecords)*24*3600
// if _, err := c.UpdateOne(ctx, filter, bson.M{"$pull": bson.M{"msg": bson.M{"sendtime": bson.M{"$lte": delTime}}}}); err != nil {
// return utils.Wrap(err, "")
// }
// return nil
//}
//
//func (d *db.DataBases) MgoSkipUID(count int) (string, error) {
// return "", nil
//session := d.mgoSession.Clone()
//if session == nil {
// return "", errors.New("session == nil")
//}
//defer session.Close()
//
//c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
//
//sChat := UserChat{}
//c.Find(nil).Skip(count).Limit(1).One(&sChat)
//return sChat.UID, nil
}
//func generateTagID(tagName, userID string) string {
// return utils.Md5(tagName + userID + strconv.Itoa(rand.Int()) + time.Now().String())
//}
//func getCurrentTimestampByMill() int64 {
// return time.Now().UnixNano() / 1e6
//}
//func GetCurrentTimestampByMill() int64 {
// return time.Now().UnixNano() / 1e6
//}
//func getSeqUid(uid string, seq uint32) string {
// seqSuffix := seq / singleGocMsgNum
// return indexGen(uid, seqSuffix)
//}
//
//func getSeqUserIDList(userID string, maxSeq uint32) []string {
// seqMaxSuffix := maxSeq / singleGocMsgNum
// var seqUserIDList []string
// for i := 0; i <= int(seqMaxSuffix); i++ {
// seqUserID := indexGen(userID, uint32(i))
// seqUserIDList = append(seqUserIDList, seqUserID)
// }
// return seqUserIDList
//}
//
//func getSeqSuperGroupID(groupID string, seq uint32) string {
// seqSuffix := seq / singleGocMsgNum
// return superGroupIndexGen(groupID, seqSuffix)
//}
//
//func GetSeqUid(uid string, seq uint32) string {
// return getSeqUid(uid, seq)
//}
//
//func getMsgIndex(seq uint32) int {
// seqSuffix := seq / singleGocMsgNum
// var index uint32
// if seqSuffix == 0 {
// index = (seq - seqSuffix*singleGocMsgNum) - 1
// } else {
// index = seq - seqSuffix*singleGocMsgNum
// }
// return int(index)
//}
//func isContainInt32(target uint32, List []uint32) bool {
// for _, element := range List {
// if target == element {
// return true
// }
// }
// return false
//}
//
//func isNotContainInt32(target uint32, List []uint32) bool {
// for _, i := range List {
// if i == target {
// return false
// }
// }
// return true
//}
//
//func indexGen(uid string, seqSuffix uint32) string {
// return uid + ":" + strconv.FormatInt(int64(seqSuffix), 10)
//}
//func superGroupIndexGen(groupID string, seqSuffix uint32) string {
// return "super_group_" + groupID + ":" + strconv.FormatInt(int64(seqSuffix), 10)
//}
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