public void ClearInstantMessageHistory()
{
InstantMessageHistory.Clear();
}
public IList <InstantMessage> GetInstantMessageHistoryFor(string participantName)
{
return(InstantMessageHistory.Where(x => x.From.ToUpper() == participantName.ToUpper() || x.To.ToUpper() == participantName.ToUpper())
.OrderByDescending(x => x.TimeStamp).ToList());
}
public void AddInstantMessage(string from, string messageText, string to)
{
var message = new InstantMessage(from, messageText, to);
InstantMessageHistory.Add(message);
}
public IList <InstantMessage> GetInstantMessageHistory()
{
return(InstantMessageHistory.OrderByDescending(x => x.TimeStamp).ToList());
}
