Class: CurrencyApi

Inherits:
Object
  • Object
show all
Defined in:
lib/chid/currency_api.rb

Overview

require ‘http’

Defined Under Namespace

Classes: Quotes

Constant Summary collapse

API_TOKEN = 
'61d0e853b52d82f00b393fdad228eb47'
SOURCES =

Reference Options: currency-api.appspot.com

{
  ARS: 'Argentina Peso',
  AUD: 'Australia Dollar',
  BTC: 'Bitcoin',
  BRL: 'Brazil Real',
  CAD: 'Canada Dollar',
  CLP: 'Chile Peso',
  CNY: 'China Yuan Renminbi',
  CZK: 'Czech Republic Koruna',
  DKK: 'Denmark Krone',
  EUR: 'Euro Member Countries',
  FJD: 'Fiji Dollar',
  HNL: 'Honduras Lempira',
  HKD: 'Hong Kong Dollar',
  HUF: 'Hungary Forint',
  ISK: 'Iceland Krona',
  INR: 'India Rupee',
  IDR: 'Indonesia Rupiah',
  ILS: 'Israel Shekel',
  JPY: 'Japan Yen',
  KRW: 'Korea (South) Won',
  MYR: 'Malaysia Ringgit',
  MXN: 'Mexico Peso',
  NZD: 'New Zealand Dollar',
  NOK: 'Norway Krone',
  PKR: 'Pakistan Rupee',
  PHP: 'Philippines Peso',
  PLN: 'Poland Zloty',
  RUB: 'Russia Ruble',
  SGD: 'Singapore Dollar',
  ZAR: 'South Africa Rand',
  SEK: 'Sweden Krona',
  CHF: 'Switzerland Franc',
  TWD: 'Taiwan New Dollar',
  THB: 'Thailand Baht',
  TRY: 'Turkey Lira',
  GBP: 'United Kingdom Pound',
  USD: 'United States Dollar',
  VND: 'Viet Nam Dong'
}

Class Method Summary collapse

Class Method Details

.convert(options = {}) ⇒ Object 



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# File 'lib/chid/currency_api.rb', line 50

def self.convert(options = {})
  amount = options.fetch(:amount, 1).to_f
  from   = options.fetch(:from, :USD).to_sym
  to     = options.fetch(:to, :BRL).to_sym

  request = HTTP.get("http://www.apilayer.net/api/live?access_key=#{API_TOKEN}")
  json    = JSON.parse request

  to_amount   = json['quotes']["USD#{to}"]
  from_amount = json['quotes']["USD#{from}"]

  if to == :USD
    amount / from_amount
  else
    to_amount * amount
  end
end