Module: FxFetcher::ClassMethods

Defined in:
lib/fx_fetcher.rb

Instance Method Summary collapse

Instance Method Details

#at(date, base, counter) ⇒ Object 



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# File 'lib/fx_fetcher.rb', line 9

def at(date, base, counter)
  if currency_present_for_date(date)
    search_for_rate(date, base, counter)
  else
    "No rates available for this date"
  end
end

#currencies ⇒ Object

helper to create list of available currencies



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# File 'lib/fx_fetcher.rb', line 18

def currencies
  currencies = []
  rates_for_date = self.where(rate_date: self.first.rate_date)
  rates_for_date.each { |rate| currencies << rate.counter_currency }
  currencies << rates_for_date.first.base_currency
end

#valid_amount?(amount) ⇒ Boolean

helper to check if value is non text and greater than zero

Returns:

  • (Boolean) 


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# File 'lib/fx_fetcher.rb', line 26

def valid_amount?(amount)
  amount.to_f > 0.0
end