train details: always get details from HAFAS Journey object

			$res->{trip_id} = $journey->id;

			$res->{date}    = $route->[0]{sched_dep} // $route->[0]{dep};

			if ( not $res->{train_type} ) {

				my $train_type = $res->{train_type} = $journey->type   // q{};

				my $train_no   = $res->{train_no}   = $journey->number // q{};

				$res->{train_line} = $journey->line_no // q{};

			my $product = $journey->product;

			if ( my $req_name = $self->param('highlight') ) {

				if ( my $p = $journey->product_at($req_name) ) {

					$product = $p;

				}

			}

			my $train_type = $res->{train_type} = $product->type   // q{};

			my $train_no   = $res->{train_no}   = $product->number // q{};

			$res->{train_line} = $product->line_no // q{};

			$self->stash( title => $train_type . ' '

				  . ( $train_no || $res->{train_line} ) );

			}

			if ( not defined $journey->class ) {

			if ( not defined $product->class ) {

				$linetype = 'ext';

			}

			else {

				my $prod

				  = $self->class_to_product($hafas_obj)->{ $journey->class }

				  = $self->class_to_product($hafas_obj)->{ $product->class }

				  // q{};

				if ( $prod eq 'ice' or $prod eq 'ic_ec' ) {

					$linetype = 'fern';