Implement !версия, !lat and !karma, cosmetic fixes

2020-11-16 23:27:00 +03:00
parent 2cd4d5d37d
commit 4077cebd4c
7 changed files with 1605 additions and 9 deletions
--- a/lib/karma.pm
+++ b/lib/karma.pm
@@ -0,0 +1,125 @@
+package karma;
+
+use 5.018;
+use strict;
+use warnings;
+use utf8;
+use open qw(:std :utf8);
+use English qw( -no_match_vars );
+use Digest::SHA qw(sha1_base64);
+use DB_File;
+use Carp qw(cluck);
+
+use vars qw/$VERSION/;
+use Exporter qw(import);
+our @EXPORT_OK = qw(karmaSet karmaGet);
+
+$VERSION = '1.0';
+
+use conf qw(loadConf);
+
+my $c = loadConf();
+my $karmadir = $c->{karma}->{dir};
+my $max = 5;
+
+# swallow phrase and return answer
+sub karmaSet (@) {
+	my $chatid = shift;
+	my $phrase = shift;
+	my $action = shift;
+	my $score = 0;
+	# sha1* does not understand utf8, so explicitly construct string cost of decimal numbers only 
+	my $karmafile = join ('', unpack ('C*', $chatid));
+	$karmafile = sha1_base64 ($karmafile);
+	# sha1 string can contain slashes, so make a bit longer string consist of only decimal numbers
+	$karmafile = join ('', unpack ('C*', $karmafile));
+	$karmafile = sprintf '%s/%s.db', $karmadir, $karmafile;
+
+	if (($phrase eq '') || ($phrase =~ /^ +$/)) {
+		$phrase = '';
+	}
+
+	# init hash, store phrase and score
+	tie my %karma, 'DB_File', $karmafile || do {
+		cluck "Something nasty happen when cachedata ties to its data: $OS_ERROR";
+		return sprintf 'Карма %s составляет 0', $phrase;
+	};
+
+	# bdb does not understand utf8, so tied hash too, we do not want store original phrase anyway
+	my $sha1_phrase = sha1_base64 (join ('', unpack ('C*', $phrase)));
+
+	if (defined $karma{$sha1_phrase}) {
+		if ($action eq '++') {
+			$score = $karma{$sha1_phrase} + 1;
+			$karma{$sha1_phrase} = $score;
+		} else {
+			$score = $karma{$sha1_phrase} - 1;
+			$karma{$sha1_phrase} = $score;
+		}
+	} else {
+		if ($action eq '++') {
+			$karma{$sha1_phrase} = 1;
+			$score = 1;
+		} else {
+			$karma{$sha1_phrase} = -1;
+			$score = -1;
+		}
+	}
+
+	untie %karma;
+
+	if ($score < -1 && (($score % (0 - $max)) + 1) == 0) {
+		if ($phrase eq '') {
+			return sprintf 'Зарегистрировано пробитие дна, карма пустоты составляет %d', $score;
+		} else {
+			return sprintf 'Зарегистрировано пробитие дна, карма %s составляет %d', $phrase, $score;
+		}
+	} else {
+		if ($phrase eq '') {
+			return sprintf 'Карма пустоты составляет %d', $score;
+		} else {
+			return sprintf 'Карма %s составляет %d', $phrase, $score;
+		}
+	}
+}
+
+# just return answer
+sub karmaGet (@) {
+	my $chatid = shift;
+	my $phrase = shift;
+	# sha1* does not understand utf8, so explicitly construct string cost of decimal numbers only 
+	my $karmafile = join ('', unpack ('C*', $chatid));
+	$karmafile = sha1_base64 ($karmafile);
+	# sha1 string can contain slashes, so make a bit longer string consist of only decimal numbers
+	$karmafile = join ('', unpack ('C*', $karmafile));
+	$karmafile = sprintf '%s/%s.db', $karmadir, $karmafile;
+
+	if (($phrase eq '') || ($phrase =~ /^ +$/)) {
+		$phrase = '';
+	}
+
+	# init hash, store phrase and score
+	tie my %karma, 'DB_File', $karmafile || do {
+		cluck "Something nasty happen when karma ties to its data: $OS_ERROR";
+		return sprintf 'Карма %s составляет 0', $phrase;
+	};
+
+	# bdb does not understand utf8, so tied hash too, we do not want store original phrase anyway
+	my $sha1_phrase = sha1_base64 (join ('', unpack ('C*', $phrase)));
+	my $score = $karma{$sha1_phrase};
+	untie %karma;
+
+	unless (defined $score) {
+		$score = 0;
+	}
+
+	if ($phrase eq '') {
+		return sprintf 'Карма пустоты составляет %d', $score;
+	} else {
+		return sprintf 'Карма %s составляет %d', $phrase, $score;
+	}
+}
+
+1;
+
+# vim: ft=perl noet ai ts=4 sw=4 sts=4: