NAME

Finance::Currency::Convert::GMC - Convert currency using GMC (Golden Money Changer) website

VERSION

This document describes version 0.004 of Finance::Currency::Convert::GMC (from Perl distribution Finance-Currency-Convert-GMC), released on 2018-06-17.

SYNOPSIS

 use Finance::Currency::Convert::GMC qw(convert_currency);

 printf "1 USD = Rp %.0f\n", convert_currency(1, 'USD', 'IDR');

DESCRIPTION

This module can extract currency rates from the Golden Money Changer website:

 https://www.gmc.co.id/

Currently only conversions from a few currencies to Indonesian Rupiah (IDR) are available.

FUNCTIONS

convert_currency

Usage:

 convert_currency($n, $from, $to, $which) -> any

Convert currency using GMC.

Currently can only handle conversion to IDR. Dies if given other currency.

Will warn if failed getting currencies from the webpage.

Currency rate is not cached (retrieved from the website every time). Employ your own caching.

Will return undef if no conversion rate is available for the requested currency.

Use get_currencies(), which actually retrieves and scrapes the source web page, if you need the more complete result.

This function is not exported by default, but exportable.

Arguments ('*' denotes required arguments):

• $from* => str

• $n* => float

• $to* => str

• $which => str (default: "sell")

  Select which rate to use (default is `sell`).

Return value: (any)

get_currencies

Usage:

 get_currencies() -> [status, msg, result, meta]

Extract data from GMC page.

This function is not exported by default, but exportable.

No arguments.

Returns an enveloped result (an array).

First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (result) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.

Return value: (any)

Will return a hash containing key currencies.

The currencies is a hash with currency symbols as keys and prices as values.

Tha values is a hash with these keys: buy and sell.

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/Finance-Currency-Convert-GMC.

SOURCE

Source repository is at https://github.com/perlancar/perl-Finance-Currency-Convert-GMC.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=Finance-Currency-Convert-GMC

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2018, 2017, 2016 by perlancar@cpan.org.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

cpanm Finance::Currency::Convert::GMC

perl -MCPAN -e shell
install Finance::Currency::Convert::GMC