From d77856c7e0ad3f00fd5d6a21b454511081815c21 Mon Sep 17 00:00:00 2001
From: David Phillips <david@sighup.nz>
Date: Sun, 23 Sep 2018 19:59:29 +1200
Subject: Add vote plugin

---
 Plugin/Vote.pm | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 Plugin/Vote.pm

diff --git a/Plugin/Vote.pm b/Plugin/Vote.pm
new file mode 100644
index 0000000..95728c8
--- /dev/null
+++ b/Plugin/Vote.pm
@@ -0,0 +1,88 @@
+package Plugin::Vote;
+
+use strict;
+use warnings;
+
+my %has_voted;
+my %vote_topic;
+my %ayes;
+my %noes;
+
+sub configure {
+	my $self = shift;
+	my $cmdref = shift;
+
+	$cmdref->($self, "vote on", sub { $self->begin(@_); } );
+	$cmdref->($self, "vote end", sub { $self->end(@_); } );
+	$cmdref->($self, "vote yes", sub { $self->yes(@_); } );
+	$cmdref->($self, "vote no", sub { $self->no(@_); } );
+
+	return $self;
+}
+
+sub get_channel {
+	my ($where) = @_;
+
+	return $where unless ref($where) eq "ARRAY";
+	return $where->[0];
+}
+
+sub has_voted {
+	my ($nick, $channel) = @_;
+	return 0 unless $has_voted{$channel};
+	return grep {$_ eq $nick} @{$has_voted{$channel}};
+}
+
+sub begin {
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, @arguments) = @_;
+	my $channel = get_channel($where);
+	my $nick = (split /!/, $who)[0];
+
+	return "Syntax: vote on <topic/question>" unless $rest;
+	return "A vote is currently in progress: $vote_topic{$channel}" if $vote_topic{$channel};
+
+	$ayes{$channel} = $noes{$channel} = 0;
+	$vote_topic{$channel} = $rest;
+	$has_voted{$channel} = ();
+	return "Call to vote (from $nick): $rest. 'vote yes' or 'vote no' to vote";
+}
+
+sub end {
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, @arguments) = @_;
+	my $channel = get_channel($where);
+
+	return "No vote is in progress" unless $vote_topic{$channel};
+
+	my $old_vote_topic = $vote_topic{$channel};
+	$vote_topic{$channel} = undef;
+	$has_voted{$channel} = ();
+	return "The votes are in ($old_vote_topic)! Ayes: $ayes{$channel}. Noes: $noes{$channel}";
+}
+
+sub yes {
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, @arguments) = @_;
+	my $nick = (split /!/, $who)[0];
+	my $channel = get_channel($where);
+
+	return "No vote is in progress" unless $vote_topic{$channel};
+	return "$nick: You have already voted on this" if has_voted($nick, $channel);
+
+	push @{$has_voted{$channel}}, $nick;
+	$ayes{$channel}++;
+	return "$nick: Thank you for your vote";
+}
+
+sub no {
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, @arguments) = @_;
+	my $nick = (split /!/, $who)[0];
+	my $channel = get_channel($where);
+
+	return "No vote is in progress" unless $vote_topic{$channel};
+	return "$nick: You have already voted on this" if has_voted($nick, $channel);
+
+	push @{$has_voted{$channel}}, $nick;
+	$noes{$channel}++;
+	return "$nick: Thank you for your vote";
+}
+
+1;
-- 
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