Class: CoinSync::Outputs::SplitList

Inherits:
List
  • Object
show all
Defined in:
lib/coinsync/outputs/split_list.rb

Instance Method Summary collapse

Methods inherited from List

#headers, #process_transaction, #transaction_to_csv

Methods inherited from Base

register_output

Constructor Details

#initialize(config, target_file) ⇒ SplitList

Returns a new instance of SplitList.



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# File 'lib/coinsync/outputs/split_list.rb', line 17

def initialize(config, target_file)
  super

  if @config.value_estimation
    @price_loader = @config.value_estimation.price_loader
  end
end

Instance Method Details

#fiat_transaction_to_csv(tx) ⇒ Object 



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# File 'lib/coinsync/outputs/split_list.rb', line 82

def fiat_transaction_to_csv(tx)
  tx_type = @config.translate(tx.type.to_s.capitalize)

  is_split = tx.number.to_s.include?('.')
  is_incomplete = is_split && tx.bought_amount * tx.sold_amount == 0

  if is_split
    tx_type = @config.translate(Transaction::TYPE_SWAP.to_s.capitalize) + '/' + tx_type
  end

  csv = [
    tx.number || 0,
    tx.exchange,
    tx_type,
    @formatter.format_time(tx.time),
    @formatter.format_crypto(tx.crypto_amount),
    tx.crypto_currency.code
  ]

  if is_incomplete
    csv += [nil, nil, nil]
  else
    csv += [
      @formatter.format_fiat(tx.fiat_amount),
      @formatter.format_fiat_price(tx.price),
      tx.fiat_currency.code || '–'
    ]
  end

  if @config.currency_conversion
    if is_incomplete
      csv += [nil, nil, nil]
    elsif tx.converted
      csv += [
        @formatter.format_fiat(tx.converted.fiat_amount),
        @formatter.format_fiat_price(tx.converted.price),
        tx.converted.exchange_rate && @formatter.format_float(tx.converted.exchange_rate, precision: 4)
      ]
    else
      csv += [
        @formatter.format_fiat(tx.fiat_amount),
        @formatter.format_fiat_price(tx.price),
        nil
      ]
    end
  end

  csv
end

#get_coin_price(coin, time) ⇒ Object 



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# File 'lib/coinsync/outputs/split_list.rb', line 137

def get_coin_price(coin, time)
  if @price_loader
    print "$"

    begin
      @price_loader.get_price(coin, time)
    rescue Exception => e
      @price_loader.finalize
      raise
    end
  else
    [BigDecimal.new(0), FiatCurrency.new(nil)]
  end
end

#process_transactions(transactions, *args) ⇒ Object 



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# File 'lib/coinsync/outputs/split_list.rb', line 25

def process_transactions(transactions, *args)
  split_list = []

  transactions.each do |tx|
    if tx.purchase? || tx.sale?
      split_list << tx
    else
      sale, purchase = split_transaction(tx)
      split_list << sale
      split_list << purchase
    end
  end

  @price_loader&.finalize

  if options = @config.currency_conversion
    converter = CurrencyConversionTask.new(options)
    converter.process_transactions(split_list)
  end

  super(split_list, *args)
end

#requires_currency_conversion? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coinsync/outputs/split_list.rb', line 13

def requires_currency_conversion?
  false
end

#split_transaction(tx) ⇒ Object 



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# File 'lib/coinsync/outputs/split_list.rb', line 48

def split_transaction(tx)
  if @classifier.is_purchase?(tx)
    base = tx.sold_currency
    base_price, fiat_currency = get_coin_price(base, tx.time)
    total_value = tx.sold_amount * base_price
  else
    base = tx.bought_currency
    base_price, fiat_currency = get_coin_price(base, tx.time)
    total_value = tx.bought_amount * base_price
  end

  sale = Transaction.new(
    number: "#{tx.number}.A",
    exchange: tx.exchange,
    time: tx.time,
    sold_currency: tx.sold_currency,
    sold_amount: tx.sold_amount,
    bought_currency: fiat_currency,
    bought_amount: total_value
  )

  purchase = Transaction.new(
    number: "#{tx.number}.B",
    exchange: tx.exchange,
    time: tx.time,
    bought_currency: tx.bought_currency,
    bought_amount: tx.bought_amount,
    sold_currency: fiat_currency,
    sold_amount: total_value
  )

  [sale, purchase]
end

#swap_transaction_to_csv(tx) ⇒ Object 



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# File 'lib/coinsync/outputs/split_list.rb', line 132

def swap_transaction_to_csv(tx)
  # sanity check - this should not happen
  raise "SplitList: unexpected unprocessed swap transaction"
end