//This method will occur only once when a chatting room will be loaded.
private void LoadRecentMessages(string strRoomSID, IList <Msg> msgs)
{
var FindSuccessMessagesQuery = Query.And(
Query <MessageEntity> .EQ(m => m.RoomSid, strRoomSID),
Query <MessageEntity> .NE(m => m.State, (int)MsgStatus.Failed),
Query <MessageEntity> .NE(m => m.State, (int)MsgStatus.Sending));
var FindFailedMessageQuery = Query.And(
Query <MessageEntity> .EQ(m => m.RoomSid, strRoomSID),
Query.Or(
Query <MessageEntity> .EQ(m => m.State, (int)MsgStatus.Failed),
Query <MessageEntity> .EQ(m => m.State, (int)MsgStatus.Sending))
);
var MessageCollection = ConnectionHelper.DB.GetCollection <MessageEntity>("MessageEntity");
var FindedSuccessMessages = MessageCollection.Find(FindSuccessMessagesQuery).SetSortOrder(SortBy.Descending("SendTime")).SetLimit(20);
var FindedFailedMessages = MessageCollection.Find(FindFailedMessageQuery).OrderByDescending(m => m.Id);
var FindedMessages = FindedFailedMessages.Concat(FindedSuccessMessages);
foreach (MessageEntity msgEntity in FindedMessages)
{
Msg WillAddMsg;
string strSenderSID = msgEntity.SenderSid;
MsgStatus MsgState = (MsgStatus)msgEntity.State;
if (MsgStatus.Sending == MsgState)
{
MsgState = MsgStatus.Failed;
}
ContentType ContentType = (ContentType)msgEntity.Type;
int nReadMembersCount = (null == msgEntity.ReadMembers ? 0 : msgEntity.ReadMembers.Count);
var UserCollection = ConnectionHelper.DB.GetCollection <UserEntity>("UserEntity");
var FindUserQuery = Query <UserEntity> .EQ(u => u.Sid, strSenderSID);
var FindedUser = UserCollection.FindOne(FindUserQuery);
if (null != FindedUser)
{
if (this.m_strMySid == strSenderSID)
{
WillAddMsg = new ChatMsg(msgEntity.Id.ToString(), msgEntity.Sid, msgEntity.RoomSid, msgEntity.Content, ContentType,
msgEntity.SendTime, MsgState, nReadMembersCount, FindedUser.NickName, null, this.m_AnonymousThumbnailDictionary[this.m_strMySid]);
}
else
{
if (false == this.m_AnonymousThumbnailDictionary.ContainsKey(strSenderSID))
{
this.m_AnonymousThumbnailDictionary.Add(strSenderSID, ColorGenerator.Instance.GetRandomBrush());
}
WillAddMsg = new OpponentMsg(msgEntity.Id.ToString(), msgEntity.Sid, msgEntity.RoomSid, msgEntity.Content, ContentType,
msgEntity.SendTime, MsgState, nReadMembersCount, FindedUser.NickName, null, this.m_AnonymousThumbnailDictionary[strSenderSID]);
}
msgs.Add(WillAddMsg);
}
}
}
private void ExecuteReceiveChatMsgCommand(ReceivedMsg rcvMsg)
{
var MessageCollection = ConnectionHelper.DB.GetCollection <MessageEntity>("MessageEntity");
var FindMessageQuery = Query <MessageEntity> .EQ(m => m.Id, new ObjectId(rcvMsg.Id));
var FindedMessage = MessageCollection.FindOne(FindMessageQuery);
var UserCollection = ConnectionHelper.DB.GetCollection <UserEntity>("UserEntity");
var FindUserQuery = Query <UserEntity> .EQ(u => u.Sid, rcvMsg.SenderSid);
var FindedUser = UserCollection.FindOne(FindUserQuery);
if (null != FindedUser && null != FindedMessage)
{
string strFindedUserSid = FindedUser.Sid;
if (string.IsNullOrEmpty(rcvMsg.ThumbnailPath))
{
if (false == this.m_AnonymousThumbnailDictionary.ContainsKey(strFindedUserSid))
{
this.m_AnonymousThumbnailDictionary.Add(strFindedUserSid, ColorGenerator.Instance.GetRandomBrush());
}
}
var RcvMessage = new OpponentMsg(rcvMsg.Id, rcvMsg.Sid, rcvMsg.RoomSid, rcvMsg.Content, rcvMsg.ContentType,
rcvMsg.SendTime, MsgStatus.Received, rcvMsg.ReadMembersCount, FindedUser.NickName, rcvMsg.ThumbnailPath,
this.m_AnonymousThumbnailDictionary[strFindedUserSid]);
this.Messages.Add(RcvMessage);
this.EndReceiveMsgCommand(RcvMessage);
var WillAddUnReadMsg = new UnReadMsg(FindedMessage.Id, FindedMessage.ReadMembers, rcvMsg.Sid, rcvMsg.RoomSid, AuthRepository.MQKeyInfo.UserSid);
this.m_UnReadMessages.Add(WillAddUnReadMsg);
if (true == rcvMsg.IsActivatedView)
{
this.RequestReadMsgs();
}
}
}
