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# FixMyStreet:Map::Google
# Google maps on FixMyStreet.
#
# Copyright (c) 2013 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org; WWW: http://www.mysociety.org/
package FixMyStreet::Map::Google;
use strict;
use mySociety::Gaze;
use Utils;
use constant ZOOM_LEVELS => 6;
use constant MIN_ZOOM_LEVEL => 13;
# display_map C PARAMS
# PARAMS include:
# latitude, longitude for the centre point of the map
# CLICKABLE is set if the map is clickable
# PINS is array of pins to show, location and colour
sub display_map {
my ($self, $c, %params) = @_;
my $numZoomLevels = ZOOM_LEVELS;
my $zoomOffset = MIN_ZOOM_LEVEL;
if ($params{any_zoom}) {
$numZoomLevels = 19;
$zoomOffset = 0;
}
# Adjust zoom level dependent upon population density
my $dist = $c->stash->{distance}
|| mySociety::Gaze::get_radius_containing_population( $params{latitude}, $params{longitude}, 200_000 );
my $default_zoom = $c->cobrand->default_map_zoom() ? $c->cobrand->default_map_zoom() : $numZoomLevels - 4;
$default_zoom = $numZoomLevels - 3 if $dist < 10;
# Map centre may be overridden in the query string
$params{latitude} = Utils::truncate_coordinate($c->get_param('lat') + 0)
if defined $c->get_param('lat');
$params{longitude} = Utils::truncate_coordinate($c->get_param('lon') + 0)
if defined $c->get_param('lon');
my $zoom = defined $c->get_param('zoom') ? $c->get_param('zoom') + 0 : $default_zoom;
$zoom = $numZoomLevels - 1 if $zoom >= $numZoomLevels;
$zoom = 0 if $zoom < 0;
$params{zoom_act} = $zoomOffset + $zoom;
$c->stash->{map} = {
%params,
type => 'google',
zoom => $zoom,
zoomOffset => $zoomOffset,
numZoomLevels => $numZoomLevels,
};
}
1;
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