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aleesa-irc-bot/lib/BotLib/Karma.pm
2021-08-04 20:35:41 +03:00

126 lines
3.3 KiB
Perl

package BotLib::Karma;
use 5.018;
use strict;
use warnings;
use utf8;
use open qw (:std :utf8);
use English qw ( -no_match_vars );
use Carp qw (carp);
use DB_File;
use File::Path qw (make_path);
use BotLib::Conf qw (LoadConf);
use BotLib::Util qw (utf2sha1 trim);
use version; our $VERSION = qw (1.0);
use Exporter qw (import);
our @EXPORT_OK = qw (KarmaSet KarmaGet);
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;
$phrase = trim $phrase;
my $score = 0;
# sha1* does not understand utf8, so explicitly construct string cost of decimal numbers only
my $karmafile = utf2sha1 $chatid;
$karmafile =~ s/\//-/xmsg;
$karmafile = sprintf '%s/%s.db', $karmadir, $karmafile;
unless (-d $karmadir) {
make_path ($karmadir) or do {
carp ("[ERROR] Unable to create $karmadir: $OS_ERROR\n");
return sprintf 'Карма %s составляет 0', $phrase;
};
}
# init hash, store phrase and score
tie my %karma, 'DB_File', $karmafile || do {
carp ("[ERROR] Something nasty happen when karma ties to its data: $OS_ERROR\n");
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 = utf2sha1 $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;
$phrase = trim $phrase;
my $karmafile = utf2sha1 $chatid;
$karmafile =~ s/\//-/xmsg;
$karmafile = sprintf '%s/%s.db', $karmadir, $karmafile;
unless (-d $karmadir) {
make_path ($karmadir) or do {
carp ("Unable to create $karmadir: $OS_ERROR\n");
return sprintf 'Карма %s составляет 0', $phrase;
};
}
# init hash, store phrase and score
tie my %karma, 'DB_File', $karmafile || do {
carp ("[ERROR] Something nasty happen when karma ties to its data: $OS_ERROR\n");
return sprintf 'Карма %s составляет 0', $phrase;
};
my $sha1_phrase = utf2sha1 $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;
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