Module: Coinbot::OrderBook::OrderTrend

Defined in:
lib/coinbot/order_book/order_trend.rb

Class Method Summary collapse

Class Method Details

.help ⇒ Object

Display Usage for this Module



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# File 'lib/coinbot/order_book/order_trend.rb', line 76

public_class_method def self.help
  puts "USAGE:
   order_trend_indicator_hash = #{self}.status(
     order_book: 'required - order_book data structure',
     event: 'required - latest websocket event response'
   )
  "
end

.status(opts = {}) ⇒ Object

Supported Method Parameters

Coinbot::OrderBook::OrderTrend.status( )



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# File 'lib/coinbot/order_book/order_trend.rb', line 12

public_class_method def self.status(opts = {})
  indicator_hash = {}
  order_book = opts[:order_book]
  event = opts[:event]
  indicator_status = opts[:indicator_status]

  # Decent for debugging.
  # puts event.inspect

  buy_or_sell = event[:changes].first[0].to_s.to_sym
  last_order_price = format('%0.2f', event[:changes].first[1]).to_f
  last_order_size = format('%0.2f', event[:changes].first.last).to_f

  indicator_hash[:last_order_price] = last_order_price
  indicator_hash[:last_order_size] = last_order_size

  case buy_or_sell
  when :buy
    order_book[:session_buy_tot] += 1
    order_book[:candles].last[:candle_buy_tot] += 1
    order_book[:candles].last[:candle_last_buy_price] = last_order_price

  when :sell
    order_book[:session_sell_tot] += 1
    order_book[:candles].last[:candle_sell_tot] += 1
    order_book[:candles].last[:candle_last_sell_price] = last_order_price

  else
    raise "UNKNOWN Value in event[:changes] => #{buy_or_sell}"
  end

  # session_buy_tot = order_book[:session_buy_tot].to_i
  candle_buy_tot = order_book[:candles].last[:candle_buy_tot].to_i
  indicator_hash[:candle_buy_tot] = candle_buy_tot

  # session_sell_tot = order_book[:session_sell_tot].to_i
  candle_sell_tot = order_book[:candles].last[:candle_sell_tot].to_i
  indicator_hash[:candle_sell_tot] = candle_sell_tot

  # order_difference = 0
  if candle_buy_tot > candle_sell_tot
    order_difference = candle_buy_tot - candle_sell_tot
    indicator_hash[:color] = :green
    indicator_hash[:ui] = "BUYS UP BY #{order_difference}"
    indicator_hash[:status] = "B#{Coinbot.up_arrow}"
  elsif candle_buy_tot < candle_sell_tot
    order_difference = candle_sell_tot - candle_buy_tot
    indicator_hash[:color] = :red
    indicator_hash[:ui] = "SELLS UP BY #{order_difference}"
    indicator_hash[:status] = "S#{Coinbot.up_arrow}"
  else
    # This Condition is Met When candle_buy_tot == candle_sell_tot
    indicator_hash[:color] = :yellow
    indicator_hash[:ui] = 'BUYS == SELLS'
    indicator_hash[:status] = "F#{Coinbot.up_arrow}"
  end

  indicator_status.order_trend = indicator_hash
rescue StandardError => e
  raise e
end