File Coverage

blib/lib/Geo/Google/Path.pm

Criterion	Covered	Total	%
statement	18	96	18.7
branch	0	16	0.0
condition			n/a
subroutine	6	16	37.5
pod	0	10	0.0
total	24	138	17.3

package Geo::Google::Path;
use strict;
use warnings;
use Data::Dumper;
use URI::Escape;
use Geo::Google;
our $VERSION = '0.04-rc3';

use constant FMT => <<_FMT_;

%s
_FMT_

#
#  Head southwest from Venice Blvd
#  Make a U-turn at Venice Blvd
#

sub new {
  my $class = shift;
  my %arg = @_;
  my $self = bless \%arg, $class;
}

sub distance { return shift->{'distance'} }
sub polyline { return shift->{'polyline'} }
sub segments { my $self = shift; return $self->{'segments'} ? @{ $self->{'segments'} } : () }
sub time     { return shift->{'time'} }
sub locations { my $self = shift; return $self->{'locations'} ? @{ $self->{'locations'} } : () }
sub panel    { return shift->{'panel'} }
sub levels   { return shift->{'levels'} }

sub toXML {
  my $self = shift;
  my $content = join "", map { $_->toXML } @{ $self->{segments} };
  return sprintf( FMT,
    $self->distance(),
    $self->time(),
    $content,
  );
}

sub toJSON {
	my $self = shift;
	my $json = new JSON (barekey => 1);

	# Construct the shell of a new perl data structure that we
	# can pass off to the JSON module for rendering to a string
	my $preJSON = Geo::Google::_JSONrenderSkeleton();

	# Fill the perl data structure with information from this
	# location
	my @locations = $self->locations();
	$preJSON->{"form"}->{"l"}->{"near"} =
				$locations[$#locations]->title();
	$preJSON->{"form"}->{"q"}->{"q"} = "from:" .
					$locations[0]->title();
	for (my $i=1; $i<=$#locations; $i++) {
		$preJSON->{"form"}->{"q"}->{"q"} .= " to:" .
			$locations[$i]->title();
	}
	$preJSON->{"form"}->{"d"}->{"saddr"} = $locations[0]->title();
	$preJSON->{"form"}->{"d"}->{"daddr"} = $locations[1]->title();
	for (my $i=2; $i<=$#locations; $i++) {
		$preJSON->{"form"}->{"d"}->{"daddr"} .= " to:" .
			$locations[$i]->title();
	}
	$preJSON->{"form"}->{"selected"} = "q";
	$preJSON->{"panelStyle"} = "";
	# Generate the markers
	for (my $i=0; $i<=$#locations; $i++) {
		my $image = "/mapfiles/dd-pause.png";
		my $id = "pause";
		if ($i == 0 ) {
			$image = "/mapfiles/dd-start.png";
			$id = "start";
		}
		elsif ($i == $#locations) {
			$image = "/mapfiles/dd-stop.png";
			$id = "stop";
		}
		push( @{$preJSON->{"overlays"}->{"markers"}}, {
			"laddr" => "",
			"svaddr" => "",
			"lat" => $locations[$i]->latitude(),
			"lng" => $locations[$i]->longitude(),
			"id" => $id,
			"image" => $image,
			"elms" => [()],
			"llcid" => "",
			"fid" => "",
			"cid" => "",
			"sig" => "",
			"infoWindow" => {
				"type" => "map",
				"_" => 0
				}
			});
	}
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"levels"} =
		$self->levels();
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"points"} =
		$self->polyline();
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"outline"} = undef;
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"opacity"} = undef;
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"color"} = undef;
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"weight"} = undef;
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"id"} = "d";
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"numLevels"} = 4;
	$preJSON->{"overlays"}->{"polylines"}->[0]->{"zoomFactor"} = 16;
	$preJSON->{"printheader"} = sprintf("Directions from %s to %s"
					. "Travel time: %s",
					$locations[0]->title(),
					$locations[$#locations]->title(),
					$self->time());
	$preJSON->{"modules"} = [(undef, "multiroute")];
	$preJSON->{"panelResizeState"} = "open";
	# step through all points in the directions and determine
	# the maximum and minimum lat/longs
	my $maxlat = -90;
	my $minlat = 90;
	my $maxlng = -180;
	my $minlng = 180;
	foreach my $segment ($self->segments()) {
		foreach my $point ($segment->points()) {
			if ($point->latitude() > $maxlat)
				{ $maxlat = $point->latitude(); }
			if ($point->latitude() < $minlat)
				{ $minlat = $point->latitude(); }
			if ($point->longitude() > $maxlng)
				{ $maxlng = $point->longitude(); }
			if ($point->longitude() < $minlng)
				{ $minlng = $point->longitude(); }
		}
	}
	$preJSON->{"viewport"}->{"span"}->{"lat"} = sprintf("%.6f",
		( ($maxlat-$minlat) * 1.1) );
	$preJSON->{"viewport"}->{"span"}->{"lng"} = sprintf("%.6f",
		( ($maxlng-$minlng) * 1.1) );
	$preJSON->{"viewport"}->{"center"}->{"lat"} = sprintf("%.6f",
		( ($maxlat+$minlat) / 2) );
	$preJSON->{"viewport"}->{"center"}->{"lng"} = sprintf("%.6f",
		( ($maxlng+$minlng) / 2) );
	$preJSON->{"viewport"}->{"mapType"} = undef;
	$preJSON->{"url"} = "/maps?v=1&q=" .
				uri_escape(sprintf("from:%s to:%s",
					$locations[0]->title(),
					$preJSON->{"form"}->{"d"}->{"daddr"}))
				. "&ie=UTF8";
	$preJSON->{"title"} = sprintf("From:%s to:%s",
				$locations[0]->title(),
				$preJSON->{"form"}->{"d"}->{"daddr"});
	$preJSON->{"panel"} = $self->panel();

	# Render the data structure to a JSON string and return it
	return $json->objToJson($preJSON);
}

1;
__END__