1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#!/usr/bin/perl
#
# FixMyStreet::Geocode
# The geocoding functions for FixMyStreet.
#
# Copyright (c) 2010 UK Citizens Online Democracy. All rights reserved.
# Email: matthew@mysociety.org; WWW: http://www.mysociety.org/
package FixMyStreet::Geocode;
use strict;
use URI::Escape;
use FixMyStreet::Geocode::Bing;
use FixMyStreet::Geocode::Google;
use FixMyStreet::Geocode::OSM;
# lookup STRING CONTEXT
# Given a user-inputted string, try and convert it into co-ordinates using either
# MaPit if it's a postcode, or some web API otherwise. Returns an array of
# data, including an error if there is one. The information in the query may be
# used by cobranded versions of the site to diambiguate locations.
sub lookup {
my ($s, $c) = @_;
my $data = $c->cobrand->geocode_postcode($s);
$data = string($s, $c)
unless $data->{error} || defined $data->{latitude};
$data->{error} = _('Sorry, we could not find that location.')
unless $data->{error} || defined $data->{latitude};
return ( $data->{latitude}, $data->{longitude}, $data->{error} );
}
# string STRING CONTEXT
# Canonicalises, and then passes to some external API to look stuff up.
sub string {
my ($s, $c) = @_;
$s = lc($s);
$s =~ s/[^-&\w ']/ /g;
$s =~ s/\s+/ /g;
$s = URI::Escape::uri_escape_utf8($s);
$s =~ s/%20/+/g;
my $params = $c->cobrand->disambiguate_location($s);
return FixMyStreet::Geocode::Bing::string($s, $c, $params)
if FixMyStreet->config('BING_MAPS_API_KEY');
# Fall back to Google API, which allow access with and without a key
return FixMyStreet::Geocode::Google::string($s, $c, $params)
if FixMyStreet->config('GOOGLE_MAPS_API_KEY');
return FixMyStreet::Geocode::OSM::string($s, $c, $params);
}
1;
|
