gem install currency_conversion
For usage just include the include CurrencyConversion::Mode in the model you want to convert the currency. For example,
class User
include CurrencyConversion::Model
conversion_field :credit
def credit
50
end
end
@user.credit_to "gbp" # This covert the value in the great britain pound.
@user.credit_to "gbp", "eur" # This covert the value in the euro to great britain pound.
For simple ruby just do as follows,
include CurrencyConversion::InstanceMethods
make_transaction(ammount, from, to) # Ammount is the value to be converted whereas from and to are currencies.
AED ANG ARS AUD BGN BHD BND BOB BRL BWP CAD CHF CLP CNY COP CRC CZK DKK DOP DZD EEK EGP EUR FJD GBP HKD HNL HRK HUF IDR ILS INR JMD JOD JPY KES KRW KWD KYD KZT LBP LKR LTL LVL MAD MDL MKD MUR MXN MYR NAD NGN NIO NOK NPR NZD OMR PEN PGK PHP PKR PLN PYG QAR RON RSD RUB SAR SCR SEK SGD SKK SLL SVC THB TND TRY TTD TWD TZS UAH UGX USD UYU UZS VND YER ZAR ZMK
The currency is us dollars and it is using google currency api's.