func GroupSystemMsg(msg *protocol.WMessage, group *models.Group, num int) {
collection := common.DBMongo.C("group")
//获取所有在这个组的成员,并发送系统提示消息
for _, v := range group.Members {
var message models.Message
//把系统消息加入到数据库
message.Id = bson.NewObjectId()
message.GroupId = msg.Group.GetId()
message.Receiver = v.Name
message.MsgType = 0
//遍历到此用户时，发送回执，不发送下面的消息
if v.Name == msg.UserInfo.GetUsername() && num != 2 {
common.CommonResultReturn(UserMap[msg.UserInfo.GetUsername()], "groupExitResult", msg.GetMsgTypeId(), 0)
continue
}
//如果num = 0，证明是管理员解散群
if num == 0 {
message.Msg = msg.UserInfo.GetUsername() + "管理员解散该群"
} else if num == 1 {
message.Msg = msg.UserInfo.GetUsername() + "退出该群"
} else if num == 2 {
//如果num=2，管理员踢人通知
if v.Name == msg.UserInfo.GetUsername() {
common.CommonResultReturn(UserMap[msg.UserInfo.GetUsername()], "groupKickResult", msg.GetMsgTypeId(), 0)
continue
}
message.Msg = msg.Friends[0].GetUsername() + "被管理员请出群"
}
nowTime := time.Now()
message.MsgTime = nowTime
if err := collection.Insert(&message); err != nil {
Logger.Error("insert group message: ", err)
continue
}
//如果此成员在线，给其发送系统消息
if OnlineCheck(v.Name) {
sendMsg := &protocol.SendMessage{}
sendMsg.Receiver = &v.Name
typeSystem := protocol.Mode_SYSTEM
sendMsg.Type = &typeSystem
sendMsg.Msg = &message.Msg
msgTime := nowTime.Unix()
sendMsg.MsgTime = &msgTime
if num == 2 {
returnMsg := &protocol.WMessage{
MsgType: proto.String("groupKickResult"),
//MsgTypeId: proto.Int32(13),
StataCode: proto.Int32(0),
Group: &protocol.Groups{
Id: proto.String(msg.Group.GetId()),
},
SendMsg: sendMsg,
}
buffer, err := proto.Marshal(returnMsg)
if err != nil {
Logger.Warn("protobuf marshal failed: ", err)
return
}
newbuffer := append(common.IntToBytes(len(buffer)), buffer...)
switch UserMap[v.Name].(type) {
case net.Conn:
_, err = (UserMap[v.Name]).(net.Conn).Write(newbuffer)
common.CheckErr(err)
case websocket.Conn:
_, err = (UserMap[v.Name]).(*websocket.Conn).Write(newbuffer)
common.CheckErr(err)
}
} else {
returnMsg := &protocol.WMessage{
MsgType: proto.String("groupExitResult"),
//MsgTypeId: proto.Int32(13),
StataCode: proto.Int32(0),
Group: &protocol.Groups{
Id: proto.String(msg.Group.GetId()),
},
SendMsg: sendMsg,
}
buffer, err := proto.Marshal(returnMsg)
if err != nil {
Logger.Warn("protobuf marshal failed: ", err)
return
}
newbuffer := append(common.IntToBytes(len(buffer)), buffer...)
switch UserMap[v.Name].(type) {
case net.Conn:
_, err = (UserMap[v.Name]).(net.Conn).Write(newbuffer)
common.CheckErr(err)
case websocket.Conn:
_, err = (UserMap[v.Name]).(*websocket.Conn).Write(newbuffer)
common.CheckErr(err)
}
}
}
}
}
func GroupMsgController(conn interface{}, msg *protocol.WMessage) {
collection := common.DBMongo.C("message")
collectionGroup := common.DBMongo.C("group")
var groupMsg models.Message
var group models.Group
nowTime := time.Now()
//判断此成员是否在此群组中
n, err := collectionGroup.Find(bson.M{"_id": msg.Group.GetId(), "members.name": msg.UserInfo.GetUsername()}).Count()
if err != nil {
common.CommonResultReturn(conn, "groupMsgResult", msg.GetMsgTypeId(), 2)
Logger.Error("count :", err)
return
}
if n == 0 {
//此用户不在此群组中
common.CommonResultReturn(conn, "groupMsgResult", msg.GetMsgTypeId(), 1)
return
}
//保存聊天记录到数据库
groupMsg.Id = bson.NewObjectId()
groupMsg.Sender = msg.UserInfo.GetUsername()
groupMsg.GroupId = msg.Group.GetId()
groupMsg.MsgType = int32(msg.SendMsg.GetType())
groupMsg.Msg = msg.SendMsg.GetMsg()
groupMsg.MsgTime = nowTime
err = collection.Insert(&groupMsg)
if err != nil {
Logger.Error("insert group msg:", err)
}
//转发群组信息给群内所有人
//获取群组员
err = collectionGroup.Find(bson.M{"_id": msg.Group.GetId()}).Select(bson.M{"members": true}).All(&group)
if err != nil {
Logger.Error("select group member: ", err)
common.CommonResultReturn(conn, "groupMsgResult", msg.GetMsgTypeId(), 3)
return
}
common.CommonResultReturn(conn, "groupMsgResult", msg.GetMsgTypeId(), 0)
//发送人
user := &protocol.User{}
user.Username = &groupMsg.Sender
for _, v := range group.Members {
//把发送消息的用户排除
if v.Name == msg.UserInfo.GetUsername() {
continue
}
//把群聊信息保存到数据库
var message models.Message
message.Id = bson.NewObjectId()
message.GroupId = msg.Group.GetId()
message.Receiver = v.Name
message.MsgType = int32(msg.SendMsg.GetType())
message.MsgTime = nowTime
if collection.Insert(&message) != nil {
Logger.Error("insert group message:", err)
}
//如果此成员在线，给其发送消息
if OnlineCheck(v.Name) {
sendMsg := &protocol.SendMessage{}
sendMsg.Receiver = &v.Name
sendMsg.Type = msg.SendMsg.Type
sendMsg.Msg = &groupMsg.Msg
msgTime := nowTime.Unix()
sendMsg.MsgTime = &msgTime
returnMsg := &protocol.WMessage{
MsgType: proto.String("groupMsgResult"),
//MsgTypeId: proto.Int32(16),
StataCode: proto.Int32(0),
SendMsg: sendMsg,
Group: &protocol.Groups{
Id: proto.String(msg.Group.GetId()),
},
UserInfo: user,
}
buffer, err := proto.Marshal(returnMsg)
if err != nil {
Logger.Warn("protobuf marshal failed: ", err)
continue
}
newbuffer := append(common.IntToBytes(len(buffer)), buffer...)
switch UserMap[v.Name].(type) {
case net.Conn:
_, err = (UserMap[v.Name]).(net.Conn).Write(newbuffer)
common.CheckErr(err)
case websocket.Conn:
_, err = (UserMap[v.Name]).(*websocket.Conn).Write(newbuffer)
common.CheckErr(err)
}
}
}
}