ExRates

ExRates is a Ruby gem, that fethes exchange rates from National Bank of Ukraine (bank.gov.ua) and perform currency conversion. With the help of this gem, you can easily find out the exchange rate for a certain date in relation to the hryvnia and convert one currency to another. This gem also uses another gem, called 'Money'. The documentation for this gem you can read here. On Rubygems you can find it here.

Add this line to your application's Gemfile:

gem 'exrates'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install exrates

Find out the exchange rate in relation to the hryvnia for a certain currency:

currency = ExRate.new

puts currency.rate('USD')

Find out the exchange rate for a specific date:

currency = ExRate.new('22.02.2022')

puts currency.rate('USD')

Convertion currency to hryvna:

usd = Money.new('1_00', 'USD')

result = ExRates.new.exchange(usd, 'UAH')

puts "1.00 USD -> UAH: #{result.format}"

Convertion one currency to another:

usd = Money.new('1_50', 'USD')

result = ExRates.new.exchange(usd, 'CAD')

puts "1.50 USD -> CAD: #{result.format}"

See the 'Money' gem's documentation for how to handle the Money object.

Bug reports and pull requests are welcome on GitHub at https://github.com/mashk4/exrates.