Class: RRR

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

Instance Method Summary collapse

Constructor Details

#initialize(broker) ⇒ RRR

Returns a new instance of RRR.



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# File 'lib/rirera.rb', line 7

def initialize(broker)
  @broker = broker
end

Instance Method Details

#decorate ⇒ Object 



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# File 'lib/rirera.rb', line 25

def decorate
  12.times do
    print "#"
  end
end

#get_break_even(total_commission, volume, amount) ⇒ Object 



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# File 'lib/rirera.rb', line 78

def get_break_even(total_commission, volume, amount)
  ((volume + total_commission) / amount).round(2)
end

#get_broker(broker, conf) ⇒ Object 



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# File 'lib/rirera.rb', line 17

def get_broker(broker, conf)
  unless conf['broker'][@broker].nil?
    @broker
  else
    abort "Not a valid broker"
  end
end

#get_total_commission(amount, actual_price, target_price, conf, broker) ⇒ Object 



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# File 'lib/rirera.rb', line 56

def get_total_commission(amount, actual_price, target_price, conf, broker)
  # calculate order pricing
  basic_price = conf['broker'][broker]['basic_price']
  commission_rate = conf['broker'][broker]['commission_rate']
  volume_rate_buy = (amount * actual_price * commission_rate).round(2)
  volume_rate_sell = (amount * target_price * commission_rate).round(2)
  total_commission = 0.0

  [volume_rate_buy, volume_rate_sell].each do |vr|
    if (vr + basic_price) > conf['broker'][broker]['min_rate']
      if (vr + basic_price) > conf['broker'][broker]['max_rate']
        total_commission += conf['broker'][broker]['max_rate']
      else
        total_commission += (basic_price + vr)
      end
    else
      total_commission += conf['broker'][broker]['min_rate']
    end
  end
  total_commission.round(2)
end

#print_result(volume, amount, max_gain, loss, total_commission, break_even_price) ⇒ Object 



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# File 'lib/rirera.rb', line 39

def print_result(volume, amount, max_gain, loss, total_commission, break_even_price)
  puts ""
  puts ""
  puts "Volume: #{volume}"
  puts "Amount: #{amount}"
  puts "Gain: #{max_gain}".green
  puts "Loss: #{loss}".red
  puts "Commission: #{total_commission}".magenta
  puts "Break Even: #{break_even_price}".blue
  puts ""
  puts "Again? (y/n)"
end

#print_rrr(rrr) ⇒ Object 



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# File 'lib/rirera.rb', line 31

def print_rrr(rrr)
  decorate
  print "\n# RRR: "
  print "#{rrr}".yellow
  puts " #"
  decorate
end

#test_input(actual_price, stop_loss) ⇒ Object 



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# File 'lib/rirera.rb', line 52

def test_input(actual_price, stop_loss)
  abort "Stop Loss has to be lower than Price" unless stop_loss < actual_price
end

#usage ⇒ Object 



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# File 'lib/rirera.rb', line 11

def usage
  puts "Usage:"
  puts "./rirera broker_name"
  exit
end