404 lines
9 KiB
Perl
404 lines
9 KiB
Perl
package Travelynx::Helper::Traewelling;
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# Copyright (C) 2020 Daniel Friesel
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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use strict;
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use warnings;
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use 5.020;
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use DateTime;
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use DateTime::Format::Strptime;
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use Mojo::Promise;
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sub new {
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my ( $class, %opt ) = @_;
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my $version = $opt{version};
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$opt{header} = {
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'User-Agent' =>
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"travelynx/${version} on $opt{root_url} +https://finalrewind.org/projects/travelynx",
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'Accept' => 'application/json',
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};
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$opt{strp1} = DateTime::Format::Strptime->new(
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pattern => '%Y-%m-%dT%H:%M:%S.000000Z',
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time_zone => 'UTC',
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);
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$opt{strp2} = DateTime::Format::Strptime->new(
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pattern => '%Y-%m-%d %H:%M:%S',
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time_zone => 'Europe/Berlin',
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);
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$opt{strp3} = DateTime::Format::Strptime->new(
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pattern => '%Y-%m-%dT%H:%M:%S%z',
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time_zone => 'Europe/Berlin',
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);
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return bless( \%opt, $class );
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}
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sub epoch_to_dt_or_undef {
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my ($epoch) = @_;
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if ( not $epoch ) {
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return undef;
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}
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return DateTime->from_epoch(
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epoch => $epoch,
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time_zone => 'Europe/Berlin',
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locale => 'de-DE',
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);
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}
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sub parse_datetime {
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my ( $self, $dt ) = @_;
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return $self->{strp1}->parse_datetime($dt)
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// $self->{strp2}->parse_datetime($dt)
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// $self->{strp3}->parse_datetime($dt);
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}
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sub get_status_p {
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my ( $self, %opt ) = @_;
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my $username = $opt{username};
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my $token = $opt{token};
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my $promise = Mojo::Promise->new;
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my $header = {
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'User-Agent' => $self->{header}{'User-Agent'},
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'Accept' => 'application/json',
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'Authorization' => "Bearer $token",
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};
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$self->{user_agent}->request_timeout(20)
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->get_p( "https://traewelling.de/api/v0/user/${username}" => $header )
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->then(
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sub {
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my ($tx) = @_;
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if ( my $err = $tx->error ) {
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my $err_msg = "HTTP $err->{code} $err->{message}";
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$promise->reject($err_msg);
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return;
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}
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else {
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if ( my $status = $tx->result->json->{statuses}{data}[0] ) {
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my $status_id = $status->{id};
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my $message = $status->{body};
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my $checkin_at
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= $self->parse_datetime( $status->{created_at} );
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my $dep_dt = $self->parse_datetime(
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$status->{train_checkin}{departure} );
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my $arr_dt = $self->parse_datetime(
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$status->{train_checkin}{arrival} );
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my $dep_eva
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= $status->{train_checkin}{origin}{ibnr};
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my $arr_eva
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= $status->{train_checkin}{destination}{ibnr};
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my $dep_name
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= $status->{train_checkin}{origin}{name};
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my $arr_name
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= $status->{train_checkin}{destination}{name};
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my $category
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= $status->{train_checkin}{hafas_trip}{category};
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my $trip_id
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= $status->{train_checkin}{hafas_trip}{trip_id};
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my $linename
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= $status->{train_checkin}{hafas_trip}{linename};
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my ( $train_type, $train_line ) = split( qr{ }, $linename );
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$promise->resolve(
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{
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status_id => $status_id,
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message => $message,
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checkin => $checkin_at,
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dep_dt => $dep_dt,
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dep_eva => $dep_eva,
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dep_name => $dep_name,
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arr_dt => $arr_dt,
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arr_eva => $arr_eva,
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arr_name => $arr_name,
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trip_id => $trip_id,
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train_type => $train_type,
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line => $linename,
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line_no => $train_line,
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category => $category,
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}
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);
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return;
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}
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else {
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$promise->reject("unknown error");
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return;
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}
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}
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}
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)->catch(
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sub {
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my ($err) = @_;
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$promise->reject($err);
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return;
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}
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)->wait;
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return $promise;
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}
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sub get_user_p {
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my ( $self, $uid, $token ) = @_;
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my $ua = $self->{user_agent}->request_timeout(20);
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my $header = {
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'User-Agent' => $self->{header}{'User-Agent'},
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'Accept' => 'application/json',
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'Authorization' => "Bearer $token",
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};
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my $promise = Mojo::Promise->new;
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$ua->get_p( "https://traewelling.de/api/v0/getuser" => $header )->then(
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sub {
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my ($tx) = @_;
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if ( my $err = $tx->error ) {
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my $err_msg
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= "HTTP $err->{code} $err->{message} bei Abfrage der Nutzerdaten";
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$promise->reject($err_msg);
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return;
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}
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else {
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my $user_data = $tx->result->json;
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$self->{model}->set_user(
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uid => $uid,
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trwl_id => $user_data->{id},
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screen_name => $user_data->{name},
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user_name => $user_data->{username},
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);
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$promise->resolve;
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return;
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}
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}
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)->catch(
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sub {
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my ($err) = @_;
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$promise->reject("$err bei Abfrage der Nutzerdaten");
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return;
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}
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)->wait;
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return $promise;
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}
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sub login_p {
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my ( $self, %opt ) = @_;
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my $uid = $opt{uid};
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my $email = $opt{email};
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my $password = $opt{password};
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my $ua = $self->{user_agent}->request_timeout(20);
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my $request = {
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email => $email,
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password => $password,
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};
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my $promise = Mojo::Promise->new;
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my $token;
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$ua->post_p(
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"https://traewelling.de/api/v0/auth/login" => $self->{header},
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json => $request
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)->then(
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sub {
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my ($tx) = @_;
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if ( my $err = $tx->error ) {
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my $err_msg = "HTTP $err->{code} $err->{message} bei Login";
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$promise->reject($err_msg);
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return;
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}
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else {
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my $res = $tx->result->json;
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$token = $res->{token};
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my $expiry_dt = $self->parse_datetime( $res->{expires_at} );
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# Fall back to one year expiry
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$expiry_dt //= DateTime->now( time_zone => 'Europe/Berlin' )
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->add( years => 1 );
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$self->{model}->link(
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uid => $uid,
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email => $email,
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token => $token,
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expires => $expiry_dt
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);
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return $self->get_user_p( $uid, $token );
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}
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}
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)->then(
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sub {
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$promise->resolve;
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return;
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}
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)->catch(
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sub {
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my ($err) = @_;
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if ($token) {
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# We have a token, but couldn't complete the login. For now, we
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# solve this by logging out and invalidating the token.
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$self->logout_p(
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uid => $uid,
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token => $token
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)->finally(
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sub {
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$promise->reject($err);
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return;
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}
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);
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}
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else {
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$promise->reject($err);
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}
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return;
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}
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)->wait;
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return $promise;
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}
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sub logout_p {
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my ( $self, %opt ) = @_;
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my $uid = $opt{uid};
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my $token = $opt{token};
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my $ua = $self->{user_agent}->request_timeout(20);
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my $header = {
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'User-Agent' => $self->{header}{'User-Agent'},
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'Accept' => 'application/json',
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'Authorization' => "Bearer $token",
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};
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my $request = {};
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$self->{model}->unlink( uid => $uid );
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my $promise = Mojo::Promise->new;
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$ua->post_p(
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"https://traewelling.de/api/v0/auth/logout" => $header => json =>
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$request )->then(
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sub {
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my ($tx) = @_;
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if ( my $err = $tx->error ) {
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my $err_msg = "HTTP $err->{code} $err->{message}";
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$promise->reject($err_msg);
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return;
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}
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else {
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$promise->resolve;
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return;
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}
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}
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)->catch(
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sub {
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my ($err) = @_;
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$promise->reject($err);
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return;
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}
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)->wait;
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return $promise;
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}
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sub checkin {
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my ( $self, %opt ) = @_;
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my $header = {
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'User-Agent' => $self->{header}{'User-Agent'},
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'Accept' => 'application/json',
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'Authorization' => "Bearer $opt{token}",
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};
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my $departure_ts = epoch_to_dt_or_undef( $opt{dep_ts} );
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my $arrival_ts = epoch_to_dt_or_undef( $opt{arr_ts} );
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if ($departure_ts) {
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$departure_ts = $departure_ts->rfc3339;
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}
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if ($arrival_ts) {
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$arrival_ts = $arrival_ts->rfc3339;
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}
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my $request = {
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tripID => $opt{trip_id},
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lineName => $opt{train_type} . ' '
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. ( $opt{train_line} // $opt{train_no} ),
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start => q{} . $opt{dep_eva},
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destination => q{} . $opt{arr_eva},
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departure => $departure_ts,
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arrival => $arrival_ts,
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toot => $opt{data}{toot} ? \1 : \0,
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tweet => $opt{data}{tweet} ? \1 : \0,
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};
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if ( $opt{user_data}{comment} ) {
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$request->{body} = $opt{user_data}{comment};
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}
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$self->{user_agent}->request_timeout(20)
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->post_p( "https://traewelling.de/api/v0/trains/checkin" =>
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$header => json => $request )->then(
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sub {
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my ($tx) = @_;
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if ( my $err = $tx->error ) {
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my $err_msg = "HTTP $err->{code} $err->{message}";
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if ( $err->{code} != 409 and $err->{code} != 406 ) {
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$self->{log}->warn("Traewelling checkin error: $err_msg");
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}
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else {
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$self->{log}->debug("Traewelling checkin error: $err_msg");
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}
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$self->{model}->log(
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uid => $opt{uid},
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message =>
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"Fehler bei $opt{train_type} $opt{train_no}: $err_msg",
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is_error => 1
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);
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return;
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}
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$self->{log}->debug( "... success! " . $tx->res->body );
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# As of 2020-10-04, traewelling.de checkins do not yet return
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# "statusId". The patch is present on the develop branch and waiting
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# for a merge into master.
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$self->{model}->log(
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uid => $opt{uid},
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message => "Eingecheckt in $opt{train_type} $opt{train_no}",
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status_id => $tx->res->json->{statusId}
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);
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$self->{model}->set_latest_push_ts(
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uid => $opt{uid},
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ts => $opt{checkin_ts}
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);
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# TODO store status_id in in_transit object so that it can be shown
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# on the user status page
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}
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)->catch(
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sub {
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my ($err) = @_;
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$self->{log}->debug("... error: $err");
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$self->{model}->log(
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uid => $opt{uid},
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message => "Fehler bei $opt{train_type} $opt{train_no}: $err",
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is_error => 1
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);
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}
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)->wait;
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}
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1;
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