From e8db6cdecd3f18133e318df63b463e4c5c2adfc4 Mon Sep 17 00:00:00 2001
From: David Phillips <david@sighup.nz>
Date: Wed, 30 Aug 2017 13:56:36 +1200
Subject: Join configured channels when invited to them

When invited by anyone to join a channel which the bot is supposed to be
auto-joined to, the bot will now attempt to join that channel once,
automatically.

Useful for if an operator without bot access removes or otherwise excludes
the bot from the channel such that the polite auto-rejoin fails to join
the bot back to the channel, any operator from that channel can still
bring the bot back into the channel with an invitation.

Implements #8
---
 idalius.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/idalius.pl b/idalius.pl
index 3bf21f8..9529c67 100755
--- a/idalius.pl
+++ b/idalius.pl
@@ -51,6 +51,7 @@ POE::Session->create(
 			irc_ctcp_action
 			irc_public
 			irc_msg
+			irc_invite
 			irc_nick
 			irc_disconnected
 			irc_error
@@ -192,6 +193,11 @@ sub irc_msg {
 	return;
 }
 
+sub irc_invite {
+	my ($who, $where) = @_[ARG0 .. ARG1];
+	$irc->yield(join => $where) if (grep {$_ eq $where} @{$config{channels}});
+}
+
 sub irc_disconnected {
 	%config = config_file::parse_config($config_file);
 	$irc->yield(connect => { });
-- 
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