Module: Money::Bank::OpenExchangeRatesLoader

Included in:
HistoricalBank
Defined in:
lib/money/bank/open_exchange_rates_loader.rb

Constant Summary collapse

HIST_URL = 
'https://openexchangerates.org/api/historical/'
OER_URL = 
'https://openexchangerates.org/api/latest.json'

Instance Method Summary collapse

Instance Method Details

#load_data(date) ⇒ Object

Tries to load data from OpenExchangeRates for the given rate. Won’t do anything if there’s no data available for that date in OpenExchangeRates (short) history.



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# File 'lib/money/bank/open_exchange_rates_loader.rb', line 16

def load_data(date)
  rates_source = if date == Date.today
                   OER_URL.dup
                 else
                   HIST_URL + date.strftime('%Y-%m-%d') + '.json'
                 end
  rates_source << "?app_id=#{ENV['OPENEXCHANGERATES_APP_ID']}" if ENV['OPENEXCHANGERATES_APP_ID']
  doc = Yajl::Parser.parse(open(rates_source).read)

  base_currency = doc['base'] || 'USD'

  doc['rates'].each do |currency, rate|
    # Don't use set_rate here, since this method can only be called from
    # get_rate, which already aquired a mutex.
    internal_set_rate(date, base_currency, currency, rate)
  end
end