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package DBInfoscreen::Helper::Wagonorder;
use strict;
use warnings;
use 5.020;
use DateTime;
use Encode qw(decode encode);
use Mojo::JSON qw(decode_json);
use XML::LibXML;
sub new {
my ( $class, %opt ) = @_;
my $version = $opt{version};
$opt{header}
= { 'User-Agent' =>
"dbf/${version} +https://finalrewind.org/projects/db-fakedisplay" };
return bless( \%opt, $class );
}
sub is_available {
my ( $self, $train, $wr_link ) = @_;
if ( $self->check_wagonorder( $train->train_no, $wr_link ) ) {
return 1;
}
elsif ( $train->is_wing ) {
my $wing = $train->wing_of;
if ( $self->check_wagonorder( $wing->train_no, $wr_link ) ) {
return 1;
}
}
return;
}
sub check_wagonorder {
my ( $self, $train_no, $wr_link ) = @_;
my $url
= "https://lib.finalrewind.org/dbdb/has_wagonorder/${train_no}/${wr_link}";
my $cache = $self->{cache};
if ( my $content = $self->{cache}->get($url) ) {
return $content eq 'y' ? 1 : undef;
}
my $ua = $self->{user_agent}->request_timeout(2);
my $res = eval { $ua->head( $url => $self->{header} )->result };
if ($@) {
$self->{log}->debug("check_wagonorder($url): $@");
return;
}
if ( $res->is_error ) {
$cache->set( $url, 'n' );
return;
}
else {
$cache->set( $url, 'y' );
return 1;
}
}
1;
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