public void SaveMessageForUser(long senderId, ConverastionMessage message)
{
GenericError error;
message.SenderUserId = senderId;
MessagesRepository.InsertEntity(out error, message);
}
private static bool IsParticipant(long userId, ConverastionMessage message)
{
return (message.Receivers.Any(r => r.UserId == userId)) || message.SenderUserId == userId;
}