108 lines
2 KiB
Perl
108 lines
2 KiB
Perl
package Travelynx::Model::Stations;
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# Copyright (C) 2022 Birthe 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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sub new {
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my ( $class, %opt ) = @_;
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return bless( \%opt, $class );
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}
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# Fast
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sub get_by_eva {
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my ( $self, $eva, %opt ) = @_;
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if ( not $eva ) {
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return;
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}
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my $db = $opt{db} // $self->{pg}->db;
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return $db->select( 'stations', '*', { eva => $eva } )->hash;
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}
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# Fast
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sub get_by_evas {
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my ( $self, @evas ) = @_;
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my @ret
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= $self->{pg}->db->select( 'stations', '*', { eva => { '=', \@evas } } )
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->hashes->each;
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return @ret;
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}
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# Slow
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sub get_latlon_by_name {
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my ( $self, %opt ) = @_;
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my $db = $opt{db} // $self->{pg}->db;
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my %location;
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my $res = $db->select( 'stations', [ 'name', 'lat', 'lon' ] );
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while ( my $row = $res->hash ) {
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$location{ $row->{name} } = [ $row->{lat}, $row->{lon} ];
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}
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return \%location;
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}
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# Slow
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sub get_by_name {
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my ( $self, $name, %opt ) = @_;
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my $db = $opt{db} // $self->{pg}->db;
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return $db->select( 'stations', '*', { name => $name }, { limit => 1 } )
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->hash;
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}
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# Slow
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sub get_by_names {
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my ( $self, @names ) = @_;
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my @ret
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= $self->{pg}->db->select( 'stations', '*', { name => { '=', \@names } } )
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->hashes->each;
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return @ret;
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}
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# Slow
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sub get_by_ds100 {
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my ( $self, $ds100, %opt ) = @_;
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my $db = $opt{db} // $self->{pg}->db;
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return $db->select( 'stations', '*', { ds100 => $ds100 }, { limit => 1 } )
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->hash;
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}
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# Can be slow
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sub search {
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my ( $self, $identifier, %opt ) = @_;
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if ( $identifier =~ m{ ^ \d+ $ }x ) {
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return $self->get_by_eva( $identifier, %opt )
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// $self->get_by_ds100( $identifier, %opt )
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// $self->get_by_name( $identifier, %opt );
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}
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return $self->get_by_ds100( $identifier, %opt )
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// $self->get_by_name( $identifier, %opt );
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}
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# Slow
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sub grep_unknown {
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my ( $self, @stations ) = @_;
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my %station = map { $_->{name} => 1 } $self->get_by_names(@stations);
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my @unknown_stations = grep { not $station{$_} } @stations;
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return @unknown_stations;
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}
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1;
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