ECB::CurrencyConverter
Currency Conversion using the European Central Bank's Euro foreign exchange reference rates. All calculations are performed and returned in +BigDecimal+.
Installation
Add this line to your application's Gemfile:
gem 'ecb-currency_converter'
And then execute:
$ bundle
Or install it yourself as:
$ gem install ecb-currency_converter
Usage
To convert between two currencies:
ECB::CurrencyConverter.exchange(100, 'EUR', 'USD').to_f
=> 133.74
ECB::CurrencyConverter.exchange(100, 'USD', 'EUR').to_f
=> 74.77194556602363
To convert between two currencies using historical data:
date = Date.parse('2013-05-17')
ECB::CurrencyConverter.exchange(100, 'EUR', 'USD', date).to_f
=> 128.69
ECB::CurrencyConverter.exchange(100, 'USD', 'EUR', date).to_f
=> 77.70611547128759
To get the most recent exchange rate between two currencies:
ECB::CurrencyConverter.rate('EUR', 'USD').to_f
=> 1.3374
ECB::CurrencyConverter.rate('USD', 'EUR').to_f
=> 0.7477194556602362
To get the historical exchange rate between two currencies:
date = Date.parse('2013-05-17')
ECB::CurrencyConverter.rate('EUR', 'USD', date).to_f
=> 1.2869
ECB::CurrencyConverter.rate('USD', 'EUR', date).to_f
=> 0.777061154712876
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request