/// <summary>
/// Attaches a new message into the specified group id, if the group is not found then the message is added to the default group.
/// </summary>
/// <param name="incomingMessage"></param>
/// <returns></returns>
public ChatGroup AttachMessage(ChatMessage incomingMessage)
{
ChatGroup referredGroup = null;
if (incomingMessage == null)
{
return(this.defaultChatGroup);
}
if (this.chatGroups.TryGetValue(incomingMessage.GroupId, out referredGroup))
{
referredGroup.AddMessage(incomingMessage);
return(referredGroup);
}
else
{
this.defaultChatGroup.AddMessage(incomingMessage);
}
return(this.defaultChatGroup);
}