internal void Vote(ChatUser user, Guid choiceID)
{
PollChoice choice = Choices.FirstOrDefault(c => c.ID == choiceID);
if (choice == null)
{
throw new Exception("Choice must be present");
}
if (!IsOpen)
{
throw new Exception("Poll is closed");
}
foreach (PollChoice thisChoice in Choices)
{
if (thisChoice.Votes.Contains(user))
{
thisChoice.Votes.Remove(user);
}
}
choice.Votes.Add(user);
OnPropertyChanged(nameof(TotalVotes));
}
/// <summary>
/// Occurs when a user votes on a poll
/// </summary>
/// <param name="user">The user that voted</param>
/// <param name="poll">The poll that the user voted on</param>
/// <param name="choice">The choice that the user voted for</param>
protected virtual void OnUserVoted(ChatUser user, PollMessage poll, PollChoice choice)
{
//Debug.WriteLine( "User: {0}, Voted on: '{1}', Answered: {2}", user, poll.Text, choice.Text );
}
public UserVotedEventArgs(ChatUser user, PollMessage poll, PollChoice choice)
{
User = user;
Choice = choice;
Poll = poll;
}
/// <summary>
/// Vote for a specified poll choice
/// </summary>
/// <param name="choice"></param>
public void Vote(PollChoice choice)
{
_chatProxy.Vote(choice);
}
