Add lat brain case for handling famous latin phrases request.

bin/lat_init.pl

@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+# Used to initialize famous latin phrases markov chain brain
+
+use 5.018;
+use strict;
+use warnings;
+use utf8;
+use English qw( -no_match_vars );
+
+use lib qw(./vendor_perl/lib/perl5);
+use File::Path qw(mkpath);
+use Config::INI::Reader;
+use Hailo;
+
+my $config = Config::INI::Reader->read_file ('data/config.ini');
+my $braindir = $config->{brain}->{dir};
+
+unless (-d $braindir) {
+	mkpath ($braindir) or die "Unable to create $braindir: $OS_ERROR\n";
+}
+
+my $lat = Hailo->new (
+	brain => "$braindir/lat.brain.sqlite",
+	order => 2
+);
+
+$lat->train('data/phrases.txt');
+my ($tokens, $expressions) = ($lat->stats())[0,1];
+printf "Total tokens: %s\nTotal expressins: %s\n", $tokens, $expressions;
+$lat->save();
+exit 0;
+
+# vim: set ft=perl noet ai ts=4 sw=4 sts=4:

cpanfile

@@ -1,4 +1,5 @@
-requires 'Plack';
-requires 'Hailo';
 requires 'Config::INI::Reader';
+requires 'File::Path';
+requires 'Hailo';
+requires 'Plack';
 requires 'local::lib';

mbot-brains.psgi

@@ -14,12 +14,17 @@ unless (-d $braindir) {
 	die "Directory $braindir does not exists\n";
 }
 
+unless (-f "$braindir/lat.brain.sqlite") {
+	die "Famous latin phrases module is not initialized. Run bin/lat_init.pl\n";
+}
+
 my %brain;
 
 # just return answer
 sub answer (@) {
 	my $chat = shift;
 	my $phrase = shift;
+	my $msg;
 
 	unless (defined $brain{$chat}) {
 		my $brain = sprintf '%s/%s.brain.sqlite', $braindir, $chat;
@@ -30,7 +35,11 @@ sub answer (@) {
 		);
 	}
 
-	my $msg = $brain{$chat}->reply($phrase);
+	if ($chat eq 'lat') {
+		$msg = $brain{$chat}->reply();
+	} else {
+		$msg = $brain{$chat}->reply($phrase);
+	}
 
 	return ('200', 'text/plain', $msg);
 }
@@ -68,6 +77,10 @@ my $app = sub {
 		($status, $content, $msg) = answer ($env->{HTTP_CHAT}, $env->{HTTP_PHRASE});
 	}
 
+	if ($env->{PATH_INFO} eq '/lat' && $env->{REQUEST_METHOD} eq 'POST') {
+		($status, $content, $msg) = answer ('lat', undef);
+	}
+
 	return [
 		$status,
 		[ 'Content-Type' => $content, 'Content-Length' => length $msg ],
@@ -75,5 +88,7 @@ my $app = sub {
 	];
 };
 
+1;
+
 __END__
 # vim: set ft=perl noet ai ts=4 sw=4 sts=4: