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package Plugin::Timezone;
use strict;
use warnings;
use DateTime;
use IdaliusConfig qw/assert_dict/;
my $config;
sub configure {
my $self = shift;
my $cmdref = shift;
shift; # run_command
$config = shift;
IdaliusConfig::assert_dict($config, $self, "timezone");
$cmdref->($self, "time", sub { $self->time(@_); } );
$cmdref->($self, "tz", sub { $self->zone_convert(@_); } );
return $self;
}
# look a nick up and return their configured timezone, else return the input
# assuming it's a timezone rather than a nick
sub nick_to_zone {
my ($nick) = @_;
my @known_zones = (keys %{$config->{timezone}});
my ($case_nick) = grep {/^\Q$nick\E$/i} @known_zones;
my $tz;
if ($case_nick) {
return $config->{timezone}->{$case_nick};
} else {
return $nick;
}
}
sub clock_message {
my ($nick, $tz, $time_string) = @_;
if ($tz eq $nick) {
return "clocks in $tz read $time_string";
} else {
return "$nick\'s clock reads $time_string";
}
}
sub make_unknown_zone_message {
return "I'm unsure what the time is for $_[0]";
}
sub time {
my ($self, $irc, $logger, $who, $where, $ided, $rest, $no_reenter, @arguments) = @_;
my $requester = (split /!/, $who)[0];
return "Syntax: time [nick]" unless @arguments <= 1;
my $nick = $arguments[0] || $requester;
my $tz = nick_to_zone($nick);
eval {
my $d = DateTime->now();
$d->set_time_zone($tz);
my $timestr = $d->strftime("%H:%M on %a %d %b, %Y (%Z)");
return clock_message($nick, $tz, $timestr);
} or return "$requester: ".make_unknown_zone_message $nick;
}
sub zone_convert {
my ($self, $irc, $logger, $who, $where, $ided, $rest, $no_reenter, @arguments) = @_;
my $requester = (split /!/, $who)[0];
return "Syntax: tz <time> <from> [to]" unless @arguments == 2 || @arguments == 3;
my ($time_string, $from_arg, $to_arg) = @arguments;
my $from_tz = nick_to_zone($from_arg);
$to_arg = $requester unless $to_arg;
my $to_tz = nick_to_zone($to_arg);
my ($hour, $minute) = $time_string =~ /^([0-9]{1,2}):?([0-9]{1,2})/;
eval {
my $d = DateTime->now();
my $format = "%H:%M on %a %d %b, %Y (%Z)";
eval {
$d->set_time_zone($from_tz);
} or return "$requester: ".make_unknown_zone_message $from_tz;
$d->set(
hour => $hour,
minute => $minute,
);
my $unconverted = $d->strftime($format);
eval {
$d->set_time_zone($to_tz);
} or return "$requester: ".make_unknown_zone_message $to_tz;
my $converted = $d->strftime($format);
my $from_message = clock_message($from_arg, $from_tz, $unconverted);
my $to_message = clock_message($to_arg, $to_tz, $converted);
return "$to_message when $from_message";
} or return "$requester: I can't figure this time conversion out";
}
1;
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