lean kata.... err, less lean

lean.rb

# pommes, mele same as apples


@shop = {
  apples: 100,
  cherries: 75,
  bananas: 150,
  pommes: 100,
  mele: 100
}

def reset_totals
  @total = 0

  @cherry_count = 0
  @cherry_discount = 20

  @banana_count = 0
  @banana_discount = 150

  @pommes_count = 0
  @pommes_discount = 100

  @meles_count = 0
  @meles_discount = 50
end


def cherry_pricing
  @cherry_count += 1
  if @cherry_count % 2 == 0
      puts 'modded'
      @total -= @cherry_discount
  end
end


def banana_pricing
  @banana_count += 1
  if @banana_count % 2 == 0
      puts 'modded banana'
      @total -= @banana_discount
  end
end


def pommes_pricing
  @pommes_count += 1
  if @pommes_count % 3 == 0
      puts 'modded pommes'
      @total -= @pommes_discount
  end
end


def meles_pricing
  @meles_count += 1
  if @meles_count % 2 == 0
      puts 'modded meles'
      @total -= @meles_discount
  end
end


def csv_runner inputarr
  inputarr.each do |input|
    single_item input
  end

  reset_totals
end

def single_item input
  @total += @shop[input.to_sym] # unless shop[input].nil?

  cherry_pricing if input == 'cherries'
  banana_pricing if input == 'bananas'
  pommes_pricing if input == 'pommes'
  meles_pricing if input == 'mele'

  puts @total
end


reset_totals

while csvinput = gets.chomp

  inputarr = csvinput.split(',')

  if inputarr.length == 1
    # single line version
    single_item csvinput
  else
    # csv baby
    csv_runner inputarr
  end

end