public async Task Vote(ICommand command)
{
var poll = await _settings.Modify(command.GuildId, (PollSettings s) =>
{
var p = s.Polls.FirstOrDefault(x => x.Channel == command.Message.Channel.Id);
if (p != null)
{
if (command["Answer"].AsString.All(x => char.IsDigit(x)))
{
var vote = command["Answer"].AsInt.Value;
if (vote > p.Answers.Count || vote < 1)
throw new IncorrectParametersCommandException("There is no answer with this number.");
p.Votes[command.Message.Author.Id] = vote;
}
else
{
var tokens = new string(command["Answer"].AsString.Select(c => char.IsLetterOrDigit(c) ? c : ' ').ToArray()).Split(new char[] { }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.ToLowerInvariant()).ToList();
var scores = new List<int>();
foreach (var answerTokens in p.Answers.Select(x => new string(x.Select(c => char.IsLetterOrDigit(c) ? c : ' ').ToArray()).Split(new char[] { }, StringSplitOptions.RemoveEmptyEntries).Select(y => y.ToLowerInvariant()).ToList()))
scores.Add(tokens.Where(x => answerTokens.Contains(x)).Count());
if (!scores.Any(x => x > 0))
throw new UnclearParametersCommandException($"I don't recognize this answer. Try to vote with `{command.Prefix}vote answer number` instead.", false);
var max = scores.Max();
if (scores.Where(x => x == max).Count() > 1)
throw new UnclearParametersCommandException($"I'm not sure which answer you meant. Try to vote with `{command.Prefix}vote answer number` instead.", false);
p.Votes[command.Message.Author.Id] = scores.FindIndex(x => x == max) + 1;
}
}
return p;
});
if (poll == null)
{
await command.ReplyError("There is no poll running in this channel.");
}
else
{
var confMessage = await command.ReplySuccess($"**{DiscordHelpers.EscapeMentions("@" + command.Message.Author.Username)}** vote cast.");
if (poll.Anonymous)
{
if ((await command.Guild.GetCurrentUserAsync()).GetPermissions((IGuildChannel)command.Channel).ManageMessages)
await command.Message.DeleteAsync();
confMessage.First().DeleteAfter(2);
}
}
}