Class: Dolar::Bna::Exchange

Inherits:
Object
  • Object
show all
Defined in:
lib/dolar/bna/exchange.rb

Instance Method Summary collapse

Constructor Details

#initialize(fecha = Date.today) ⇒ Exchange

Returns a new instance of Exchange.



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# File 'lib/dolar/bna/exchange.rb', line 8

def initialize(fecha=Date.today)
  @fecha ||= fecha
end

Instance Method Details

#perform_bna_billete ⇒ Object 



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# File 'lib/dolar/bna/exchange.rb', line 12

def perform_bna_billete
  begin
    Timeout.timeout(15) do
      data = check_cotization("Billete", @fecha)
      save_in_db(data, "Billete") unless data.blank?
      return data
    end
  rescue => ex
    pp ex.message
    return nil
  end
end

#perform_bna_divisa ⇒ Object 



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# File 'lib/dolar/bna/exchange.rb', line 25

def perform_bna_divisa
  begin
    Timeout.timeout(15) do
      data = check_cotization("Divisa", @fecha)
      save_in_db(data, "Divisa") unless data.blank?
      return data
    end
  rescue => ex
    pp ex.message
    return nil
  end
end

#variation_billete ⇒ Object 



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# File 'lib/dolar/bna/exchange.rb', line 38

def variation_billete
  begin
    Timeout.timeout(15) do
      today_dolar = check_cotization("Billete", @fecha)
      yesterday_dolar = check_cotization("Billete", (@fecha - 1.days))
      unless (today_dolar.nil? || yesterday_dolar.nil?)
        porcentual_variation = ((today_dolar[:venta] - yesterday_dolar[:venta]) / (yesterday_dolar[:venta]))
        porcentual_variation = "#{(porcentual_variation * 100).round(2)}%"
        return porcentual_variation
      else
        return "0%"
      end
    end
  rescue => ex
    pp ex.message
    return nil
  end
end