public bool InitiateChat(string clientToUserId)
{
// Get current user
var fromUser = Helper.CurrentUser;
if (fromUser == null)
{
return(false);
}
// Check to user is Authenticate User, can't chat to guest user
var toUserId = EncryptUtils.Decrypt(clientToUserId);
int lToUserId;
int.TryParse(toUserId, out lToUserId);
if (lToUserId <= 0)
{
return(false);
}
// Get from User Online list
bool isToUserOnline;
User toUserOnline = null;
if (_UserOnlines.ContainsKey(lToUserId))
{
toUserOnline = _UserOnlines[lToUserId];
isToUserOnline = true;
}
else
{
isToUserOnline = false;
// Get user from User table
toUserOnline = UserBO.GetById(lToUserId);
}
// Exist online chat room
var id1 = fromUser.Id;
var id2 = lToUserId;
Helper.Sort(ref id1, ref id2);
var chatRoomExisted = ChatRoomBO.CheckExisted(id1, id2);
var serverChatRoom = chatRoomExisted == null ? null : chatRoomExisted.ToServerChatRoom();
// total unread message
var totalUnreadMsg = 0;
if (serverChatRoom == null)
{
var chatRoom = new ChatRoom
{
FromUserId = id1,
ToUserId = id2,
CreateDate = DateTime.Now
};
var chatRoomId = ChatRoomBO.Insert(chatRoom);
if (chatRoomId <= 0)
{
return(false);
}
serverChatRoom = chatRoom.ToServerChatRoom();
// Add to user to server chat rooms
serverChatRoom.ChatUsers.Add(fromUser);
serverChatRoom.ChatUsers.Add(toUserOnline);
totalUnreadMsg = ChatMessageBO.CountUnread(serverChatRoom.Id, fromUser.Id);
var clientChatRoom = serverChatRoom.ToClientChatRoom();
chatClient.initiateChatUI(fromUser.Id.ToString(), clientChatRoom, isToUserOnline, totalUnreadMsg);
}
else
{
serverChatRoom.ChatUsers = new List <User>
{
UserBO.GetById(serverChatRoom.FromUserId),
UserBO.GetById(serverChatRoom.ToUserId),
};
totalUnreadMsg = ChatMessageBO.CountUnread(serverChatRoom.Id, fromUser.Id);
chatClient.initiateChatUI(fromUser.Id.ToString(), serverChatRoom.ToClientChatRoom(), isToUserOnline, totalUnreadMsg);
}
_OnlineChatRooms.TryAdd(serverChatRoom.Id, serverChatRoom);
return(true);
}
