public void AddMessage(string UserName, string MessageText)
{
var _user = UsersTable.FirstOrDefault(x => x.UserName.ToLower() == UserName.ToLower());
if (_user != null)
{
MessageTable.Add(new Message()
{
Text = MessageText, user = _user
});
AddToHistory(new UserMessage()
{
Message = MessageText, UserName = _user.UserName
}, false);
SaveChanges();
}
}