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|
#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use File::Slurp qw(read_file write_file);
use JSON;
use List::Util qw(any);
use XML::LibXML;
my $json = JSON->new->utf8;
my $json_str = read_file('stations.json');
my $stations = $json->decode($json_str);
@{$stations}
= sort { $a->{name} cmp $b->{name} or $a->{eva} <=> $b->{eva} } @{$stations};
$json_str = read_file('old_stations.json');
my $old_stations = $json->decode($json_str);
@{$old_stations} = sort { $a->{name} cmp $b->{name} or $a->{eva} <=> $b->{eva} }
@{$old_stations};
my %station_by_ds100;
for my $station ( @{$stations} ) {
$station_by_ds100{ $station->{ds100} } = $station;
}
my %old_station_by_ds100;
for my $old_station ( @{$old_stations} ) {
$old_station_by_ds100{ $old_station->{ds100} } = $old_station;
}
my %station_by_eva;
for my $station ( @{$stations} ) {
$station_by_eva{ $station->{eva} } = $station;
}
my %old_station_by_eva;
for my $old_station ( @{$old_stations} ) {
$old_station_by_eva{ $old_station->{eva} } = $old_station;
}
my %station_by_name;
for my $station ( @{$stations} ) {
push( @{ $station_by_name{ $station->{name} } }, $station );
}
my %old_station_by_name;
for my $old_station ( @{$old_stations} ) {
push( @{ $old_station_by_name{ $old_station->{name} } }, $old_station );
}
my %xml_by_ds100;
my %xml_by_eva;
my %xml_by_name;
my $xml_str = read_file('stations.xml');
my $tree = XML::LibXML->load_xml( string => $xml_str );
my @missing;
sub add_station {
my ( $name, $ds100, $eva ) = @_;
my $station = {
name => $name,
ds100 => $ds100,
eva => $eva,
};
push( @{$stations}, $station );
$station_by_eva{$eva} = $station;
$station_by_ds100{$ds100} = $station;
push( @{ $station_by_name{$name} }, $station );
}
sub add_old_station {
my ( $name, $ds100, $eva ) = @_;
my $station = {
name => $name,
ds100 => $ds100,
eva => $eva,
};
push( @{$old_stations}, $station );
$old_station_by_eva{$eva} = $station;
$old_station_by_ds100{$ds100} = $station;
push( @{ $old_station_by_name{$name} }, $station );
}
sub delete_station {
my ( $name, $ds100, $eva ) = @_;
delete $station_by_name{$name};
delete $station_by_ds100{$ds100};
delete $station_by_eva{$eva};
@{$stations} = grep {
$_->{name} ne $name and $_->{ds100} ne $ds100 and $_->{eva} != $eva
} @{$stations};
}
sub delete_old_station {
my ( $name, $ds100, $eva ) = @_;
delete $old_station_by_name{$name};
delete $old_station_by_ds100{$ds100};
delete $old_station_by_eva{$eva};
@{$old_stations} = grep {
$_->{name} ne $name and $_->{ds100} ne $ds100 and $_->{eva} != $eva
} @{$old_stations};
}
# TODO falls ein eintrag aus old_stations im XML auftaucht sollte er aus old_stations raus und wieder in stations rein
if ( -e 'missing.txt' ) {
for my $line ( read_file('missing.txt') ) {
chomp $line;
push( @missing, $line );
}
}
my %renamed;
if ( -e 'renamed.json' ) {
$json_str = read_file('renamed.json');
%renamed = %{ $json->decode($json_str) };
}
for my $station ( $tree->findnodes('//station') ) {
my $name = $station->getAttribute('name');
my $eva = $station->getAttribute('eva');
my $ds100 = $station->getAttribute('ds100');
my $is_db = $station->getAttribute('db') eq 'true';
my $xml_station = {
name => $name,
eva => $eva,
ds100 => $ds100,
is_db => $is_db,
};
$xml_by_ds100{$ds100} = $xml_station;
$xml_by_eva{$eva} = $xml_station;
if ( exists $xml_by_eva{$name} ) {
push( @{ $xml_by_name{$name}{extra} }, $xml_station );
}
else {
$xml_by_name{$name} = $xml_station;
}
}
for my $station ( $tree->findnodes('//station') ) {
my $name = $station->getAttribute('name');
my $eva = $station->getAttribute('eva');
my $ds100 = $station->getAttribute('ds100');
my $is_db = $station->getAttribute('db') eq 'true';
my $found = 0;
if ( $station_by_name{$name} or $station_by_eva{$eva} ) {
$found = 1;
}
if ( $station_by_ds100{$ds100}
and $station_by_ds100{$ds100}{name} ne $name )
{
printf( "%8s has been renamed: %30s -> %30s\n",
$ds100, $station_by_ds100{$ds100}{name}, $name );
$renamed{ $station_by_ds100{$ds100}{name} } = $name;
$station_by_ds100{$ds100}{name} = $name;
}
elsif ( $station_by_eva{$eva} and $station_by_eva{$eva}{name} ne $name ) {
printf(
"%d mismatch: (%s -> %s), (%s -> %s)\n",
$eva, $station_by_eva{$eva}{name},
$name, $station_by_eva{$eva}{ds100}, $ds100
);
}
elsif ( $station_by_name{$name}
and not any { $_->{ds100} eq $ds100 } @{ $station_by_name{$name} }
and $is_db )
{
printf( "%30s has a new DS100 alias: %8s\n", $name, $ds100 );
add_station( $name, $ds100, $eva );
}
elsif ( $station_by_name{$name}
and not any { $_->{eva} == $eva } @{ $station_by_name{$name} }
and $is_db )
{
printf( "%30s has a new EVA alias: %d\n", $name, $eva );
add_station( $name, $ds100, $eva );
}
if (
$name !~ m{Betriebsstelle nicht bekannt}
and my $old = (
$old_station_by_name{$name} // $old_station_by_ds100{$ds100}
// $old_station_by_eva{$eva}
)
)
{
printf( "%30s has re-appeared as %s %d\n", $name, $ds100, $eva );
if ( ref($old) eq 'ARRAY' ) {
for my $o ( @{$old} ) {
delete_old_station( $o->{name}, $o->{ds100}, $o->{eva} );
}
}
else {
delete_old_station( $old->{name}, $old->{ds100}, $old->{eva} );
}
add_station( $name, $ds100, $eva );
}
if ( not $found
and any { $_ eq $name } @missing )
{
say "missing $eva $ds100 \"$name\"";
# TODO remove from old_stations
add_station( $name, $ds100, $eva );
if ( $old_station_by_name{$name} ) {
delete_old_station( $name, $ds100, $eva );
}
}
}
my @to_delete;
for my $i ( 0 .. $#{$stations} ) {
$stations->[$i]{eva} = 0 + $stations->[$i]{eva};
my $j_station = $stations->[$i];
my $j_name = $j_station->{name};
my $j_ds100 = $j_station->{ds100};
my $j_eva = $j_station->{eva};
if ( not( $xml_by_name{$j_name} or $xml_by_eva{$j_eva} ) ) {
say "station no longer exists: $j_eva $j_ds100 \"$j_name\"";
unshift( @to_delete, $i );
add_old_station( $j_name, $j_ds100, $j_eva );
}
}
for my $i ( 0 .. $#{$old_stations} ) {
$old_stations->[$i]{eva} = 0 + $old_stations->[$i]{eva};
}
for my $i (@to_delete) {
splice( @{$stations}, $i, 1 );
}
my $json_out = $json->canonical->pretty->encode($stations);
write_file( 'stations.json', $json_out );
$json_out = $json->canonical->pretty->encode($old_stations);
write_file( 'old_stations.json', $json_out );
$json_out = $json->encode( \%renamed );
write_file( 'renamed.json', $json_out );
|
