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Open-IM-Server/pkg/common/db/mongoModel.go

298 lines
7.1 KiB

package db
import (
"Open_IM/pkg/common/config"
"Open_IM/pkg/common/log"
pbMsg "Open_IM/pkg/proto/chat"
open_im_sdk "Open_IM/pkg/proto/sdk_ws"
"Open_IM/pkg/utils"
"errors"
"github.com/garyburd/redigo/redis"
"github.com/golang/protobuf/proto"
"gopkg.in/mgo.v2/bson"
"strconv"
"time"
)
const cChat = "msg"
const cGroup = "group"
const singleGocMsgNum = 5000
type MsgInfo struct {
SendTime int64
Msg []byte
}
type UserChat struct {
UID string
Msg []MsgInfo
}
type GroupMember_x struct {
GroupID string
UIDList []string
}
func (d *DataBases) GetMinSeqFromMongo(uid string) (MinSeq uint32, err error) {
var i, NB uint32
var seqUid string
session := d.mgoSession.Clone()
if session == nil {
return MinSeq, errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
MaxSeq, err := d.GetUserMaxSeq(uid)
if err != nil && err != redis.ErrNil {
return MinSeq, err
}
NB = uint32(MaxSeq / singleGocMsgNum)
for i = 0; i <= NB; i++ {
seqUid = indexGen(uid, i)
n, err := c.Find(bson.M{"uid": seqUid}).Count()
if err == nil && n != 0 {
if i == 0 {
MinSeq = 1
} else {
MinSeq = uint32(i * singleGocMsgNum)
}
break
}
}
return MinSeq, nil
}
func (d *DataBases) GetMsgBySeqList(uid string, seqList []uint32, operationID string) (seqMsg []*open_im_sdk.MsgData, err error) {
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(open_im_sdk.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 genExceptionMessageBySeqList(seqList []uint32) (exceptionMsg []*open_im_sdk.MsgData) {
for _, v := range seqList {
msg := new(open_im_sdk.MsgData)
msg.Seq = v
exceptionMsg = append(exceptionMsg, msg)
}
return exceptionMsg
}
func (d *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{"$push": bson.M{"msg": sMsg}})
if err != nil {
return err
}
}
log.NewDebug("", "insert mgo data cost time", getCurrentTimestampByMill()-newTime)
return nil
}
func (d *DataBases) DelUserChat(uid string) error {
session := d.mgoSession.Clone()
if session == nil {
return errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
delTime := time.Now().Unix() - int64(config.Config.Mongo.DBRetainChatRecords)*24*3600
if err := c.Update(bson.M{"uid": uid}, bson.M{"$pull": bson.M{"msg": bson.M{"sendtime": bson.M{"$lte": delTime}}}}); err != nil {
return err
}
return nil
}
func (d *DataBases) MgoUserCount() (int, error) {
session := d.mgoSession.Clone()
if session == nil {
return 0, errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
return c.Find(nil).Count()
}
func (d *DataBases) MgoSkipUID(count int) (string, error) {
session := d.mgoSession.Clone()
if session == nil {
return "", errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cChat)
sChat := UserChat{}
c.Find(nil).Skip(count).Limit(1).One(&sChat)
return sChat.UID, nil
}
func (d *DataBases) GetGroupMember(groupID string) []string {
groupInfo := GroupMember_x{}
groupInfo.GroupID = groupID
groupInfo.UIDList = make([]string, 0)
session := d.mgoSession.Clone()
if session == nil {
return groupInfo.UIDList
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cGroup)
if err := c.Find(bson.M{"groupid": groupInfo.GroupID}).One(&groupInfo); err != nil {
return groupInfo.UIDList
}
return groupInfo.UIDList
}
func (d *DataBases) AddGroupMember(groupID, uid string) error {
session := d.mgoSession.Clone()
if session == nil {
return errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cGroup)
n, err := c.Find(bson.M{"groupid": groupID}).Count()
if err != nil {
return err
}
if n == 0 {
groupInfo := GroupMember_x{}
groupInfo.GroupID = groupID
groupInfo.UIDList = append(groupInfo.UIDList, uid)
err = c.Insert(&groupInfo)
if err != nil {
return err
}
} else {
err = c.Update(bson.M{"groupid": groupID}, bson.M{"$addToSet": bson.M{"uidlist": uid}})
if err != nil {
return err
}
}
return nil
}
func (d *DataBases) DelGroupMember(groupID, uid string) error {
session := d.mgoSession.Clone()
if session == nil {
return errors.New("session == nil")
}
defer session.Close()
c := session.DB(config.Config.Mongo.DBDatabase).C(cGroup)
if err := c.Update(bson.M{"groupid": groupID}, bson.M{"$pull": bson.M{"uidlist": uid}}); err != nil {
return err
}
return nil
}
func getCurrentTimestampByMill() int64 {
return time.Now().UnixNano() / 1e6
}
func getSeqUid(uid string, seq uint32) string {
seqSuffix := seq / singleGocMsgNum
return indexGen(uid, seqSuffix)
}
func isContainInt32(target uint32, List []uint32) bool {
for _, element := range List {
if target == element {
return true
}
}
return false
}
func indexGen(uid string, seqSuffix uint32) string {
return uid + ":" + strconv.FormatInt(int64(seqSuffix), 10)
}