Class: CoinSync::CurrencyConversionTask

Inherits:
Object
  • Object
show all
Defined in:
lib/coinsync/currency_conversion_task.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ CurrencyConversionTask 



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# File 'lib/coinsync/currency_conversion_task.rb', line 8

def initialize(options)
  @options = options
  @target_currency = options.currency
  @converter = options.currency_converter
end

Instance Method Details

#process_transactions(transactions) ⇒ Object 



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# File 'lib/coinsync/currency_conversion_task.rb', line 14

def process_transactions(transactions)
  transactions.each do |tx|
    print '.'

    if tx.bought_currency.fiat? && tx.bought_currency != @target_currency
      tx.converted = Transaction::ConvertedAmounts.new
      tx.converted.sold_currency = tx.sold_currency
      tx.converted.sold_amount = tx.sold_amount
      tx.converted.bought_currency = @target_currency

      if tx.bought_currency.code
        tx.converted.exchange_rate = @converter.convert(
          BigDecimal.new(1),
          from: tx.bought_currency,
          to: @target_currency,
          time: tx.time
        )
        tx.converted.bought_amount = tx.bought_amount * tx.converted.exchange_rate
      else
        tx.converted.exchange_rate = nil
        tx.converted.bought_amount = BigDecimal.new(0)
      end
    elsif tx.sold_currency.fiat? && tx.sold_currency != @target_currency
      tx.converted = Transaction::ConvertedAmounts.new
      tx.converted.bought_currency = tx.bought_currency
      tx.converted.bought_amount = tx.bought_amount
      tx.converted.sold_currency = @target_currency

      if tx.sold_currency.code
        tx.converted.exchange_rate = @converter.convert(
          BigDecimal.new(1),
          from: tx.sold_currency,
          to: @target_currency,
          time: tx.time
        )
        tx.converted.sold_amount = tx.sold_amount * tx.converted.exchange_rate
      else
        tx.converted.exchange_rate = nil
        tx.converted.sold_amount = BigDecimal.new(0)
      end
    end
  end

  @converter.finalize

  puts
end