Merge pull request #320 from kianmeng/master

Add challenge #03 answer

1 files changed, 78 insertions, 0 deletions

diff --git a/challenge-014/kian-meng-ang/perl5/ch-3.pl b/challenge-014/kian-meng-ang/perl5/ch-3.pl
new file mode 100644
index 0000000000..72703ed030
--- /dev/null
+++ b/challenge-014/kian-meng-ang/perl5/ch-3.pl
@@ -0,0 +1,78 @@
+#!/usr/bin/env perl
+# vi:et:sw=4 ts=4 ft=perl
+
+use strict;
+use warnings;
+use utf8;
+use feature qw(say);
+
+use Carp;
+use Data::Dumper;
+use Furl;
+use URI::Escape;
+use JSON::MaybeXS;
+use HTTP::Request;
+
+use constant BASE_URL => 'http://geodb-free-service.wirefreethought.com/v1/geo/cities';
+
+MAIN: {
+    my $keywords = $ARGV[0] || croak q|Missing city!|;
+    my $cities = _find_cities($keywords);
+
+    if (@{$cities}) {
+        foreach (@{$cities}) {
+            say sprintf 'Country: %-15s City: %-15s Time: %-15s',
+                $_->{country}, $_->{name}, _find_city_time($_->{id})
+        }
+    } else {
+        say 'No city found!';
+    }
+}
+
+sub _find_cities {
+    my ($keywords) = @_;
+
+    my $endpoint = BASE_URL;
+    $endpoint .= '?namePrefix=' . uri_escape($keywords);
+    $endpoint .= '&limit=5&offset=0&hateoasMode=false';
+
+    return _request('get', $endpoint);
+}
+
+sub _find_city_time {
+    my ($city_id) = @_;
+
+    my $endpoint = BASE_URL;
+    $endpoint .= qq|/$city_id/time|;
+
+    return _request('get', $endpoint);
+}
+
+sub _request {
+    my ($method, $endpoint) = @_;
+
+    my $ua = Furl->new(
+        agent   => 'Perl Weekly Challenge -(https://perlweeklychallenge.org)',
+        timeout => 10,
+    );
+
+    my $request = HTTP::Request->new(uc $method => $endpoint);
+    my $response = $ua->request($request);
+    return decode_json($response->content)->{data} if ($response->is_success);
+
+    croak $response->status_line;
+}
+
+1;
+
+__END__
+
+$ perl ch-3.pl kuala
+Country: Brunei          City: Kuala Belait    Time: 22:54:01.058183
+Country: Indonesia       City: Kuala Tungkal   Time: 21:54:01.637034
+Country: Indonesia       City: Kualakapuas     Time: 21:54:02.200661
+Country: Malaysia        City: Kuala Kangsar   Time: 22:54:02.769849
+Country: Malaysia        City: Kuala Lumpur    Time: 22:54:03.33483
+
+$ perl ch-3.pl xxx
+No city found!