Implement !drink and !праздник commands

lib/drink.pm

@@ -0,0 +1,69 @@
+package drink;
+
+use 5.018;
+use strict;
+use warnings;
+use utf8;
+use open qw (:std :utf8);
+use English qw ( -no_match_vars );
+use Encode;
+use Carp qw (cluck);
+use HTTP::Tiny;
+use HTML::TokeParser;
+
+use version; our $VERSION = qw (1.0);
+use Exporter qw (import);
+our @EXPORT_OK = qw (drink);
+
+my @MONTH = qw (yanvar fevral mart aprel may iyun iyul avgust sentyabr oktyabr noyabr dekabr);
+
+sub drink {
+	my $r;
+	my $ret = 'Не знаю праздников - вджобываю весь день на шахтах, как проклятая.';
+	my ($dayNum, $monthNum) = (localtime ())[3, 4];
+	my $url = sprintf 'https://kakoysegodnyaprazdnik.ru/baza/%s/%s', $MONTH[$monthNum], $dayNum;
+
+	for (1..3) {
+		my $http = HTTP::Tiny->new (timeout => 3);
+		$r = $http->get ($url, {'Accept-Charset' => 'utf-8', 'Accept-Language' => 'ru-RU'});
+
+		if ($r->{success}) {
+			last;
+		}
+
+		sleep 2;
+	}
+
+	if ($r->{success}) {
+		my $p = HTML::TokeParser->new(\$r->{content});
+		my @a;
+		my @holyday;
+
+		do {
+			$#a = -1;
+			@a = $p->get_tag("span");
+
+			if ($#{$a[0]} > 2 && defined $a[0][1]->{itemprop} && $a[0][1]->{itemprop} eq 'text') {
+				push @holyday,'* ' . decode ('UTF-8', $p->get_trimmed_text ('/span'));
+			}
+
+		} while ($#{$a[0]} > 1);
+
+		if ($#holyday > 0) {
+			# cut off something weird, definely not a "holyday"
+			$#holyday = $#holyday - 1;
+		}
+
+		if ($#holyday > 0) {
+			$ret = join "\n", @holyday;
+		}
+	} else {
+		cluck sprintf 'Server return status %s with message: %s', $r->{status}, $r->{reason};
+	}
+
+	return $ret;
+}
+
+1;
+
+# vim: set ft=perl noet ai ts=4 sw=4 sts=4: