File Coverage

blib/lib/Finance/Quote/NZX.pm

Criterion	Covered	Total	%
statement	23	53	43.4
branch	0	10	0.0
condition			n/a
subroutine	9	11	81.8
pod	0	3	0.0
total	32	77	41.5

#!/usr/bin/perl -w

#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
#    02110-1301, USA

package Finance::Quote::NZX;

use strict;
use warnings;

use constant DEBUG => $ENV{DEBUG};
use if DEBUG, 'Smart::Comments';

use LWP::UserAgent;
use Web::Scraper;
use String::Util qw(trim);

our $VERSION = '1.57_03'; # TRIAL VERSION

our @labels = qw/last isin name currency date isodate/;

sub labels {
  return ( nzx => \@labels );
}

sub methods {
  return ( nzx => \&nzx );
}

sub nzx {
    my $quoter  = shift;
    my @symbols = @_;
    my $ua      = $quoter->user_agent();
    my %info;

    foreach my $symbol (@_) {
      eval {
        my $url   = "https://www.nzx.com/instruments/$symbol";
        my $reply = $ua->get($url);

        my $widget = scraper {
          process '/html/body/section/div[2]/div/section[1]/div/div[1]/h1', 'last' => ['TEXT', sub{trim($_)}];
          process '/html/body/section/div[2]/div/section[1]/div/div[2]/table/tbody/tr[5]/td[2]', 'isin' => ['TEXT', sub{trim($_)}];
          process '/html/body/section/div[2]/div/section[1]/div/div[2]/table/tbody/tr[1]/td[2]', 'name' => ['TEXT', sub{trim($_)}];
          process '/html/body/section/div[2]/div/div[2]/span', 'when' => ['TEXT', sub{trim($_)}];
        };

        my $result = $widget->scrape($reply);
        ### RESULT : $result

        die "Failed to find $symbol" unless exists $result->{last};


        $info{$symbol, 'success'}  = 1;
        $info{$symbol, 'currency'} = 'NZD';
        $info{$symbol, 'last'}    = $1 if $result->{last} =~ /([0-9.]+)/;
        $info{$symbol, 'isin'}    = $result->{isin};
        $info{$symbol, 'name'}    = $result->{name};

        $quoter->store_date(\%info, $symbol, {eurodate => $1}) if $result->{when} =~ m|([0-9]{1,2}/[0-9]{1,2}/[0-9]{4})|;
      };

      if ($@) {
        my $error = "Search failed: $@";
        $info{$symbol, 'success'}  = 0;
        $info{$symbol, 'errormsg'} = trim($error);
      }
    }

    ### info : %info

    return wantarray() ? %info : \%info;
}

1;

=head1 NAME

Finance::Quote::NZX - Obtain quotes from New Zealand's
Exchange www.nzx.com

=head1 SYNOPSIS

    use Finance::Quote;

    $q = Finance::Quote->new;

    %stockinfo = $q->fetch('nzx','TPW');

=head1 DESCRIPTION

This module obtains information fromwww.nzx.com.

=head1 LABELS RETURNED

The following labels may be returned by Finance::Quote::NZX:
last, isin, name, currency, date, isodate

=head1 Terms & Conditions

Use of nzx.com is governed by any terms & conditions of that site.

Finance::Quote is released under the GNU General Public License, version 2,
which explicitly carries a "No Warranty" clause.

=cut