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package DBInfoscreen::Helper::Wagonorder;
# Copyright (C) 2011-2020 Birte Kristina Friesel
#
# SPDX-License-Identifier: AGPL-3.0-or-later
use strict;
use warnings;
use 5.020;
use DateTime;
use Mojo::Promise;
sub new {
my ( $class, %opt ) = @_;
my $version = $opt{version};
$opt{header}
= { 'User-Agent' =>
"dbf/${version} on $opt{root_url} +https://finalrewind.org/projects/db-fakedisplay"
};
return bless( \%opt, $class );
}
sub get_stationinfo_p {
my ( $self, $eva ) = @_;
my $url = "https://lib.finalrewind.org/dbdb/s/${eva}.json";
my $cache = $self->{main_cache};
my $promise = Mojo::Promise->new;
if ( my $content = $cache->thaw($url) ) {
return $promise->resolve($content);
}
$self->{user_agent}->request_timeout(5)->get_p( $url => $self->{header} )
->then(
sub {
my ($tx) = @_;
if ( my $err = $tx->error ) {
$cache->freeze( $url, {} );
$promise->reject("HTTP $err->{code} $err->{message}");
return;
}
my $json = $tx->result->json;
$cache->freeze( $url, $json );
$promise->resolve($json);
return;
}
)->catch(
sub {
my ($err) = @_;
$cache->freeze( $url, {} );
$promise->reject($err);
return;
}
)->wait;
return $promise;
}
1;
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