class Rubycritic::SmellsStatusSetter

def initialize(smells_before, smells_now)
  @smells_before = smells_before || []
  @smells_now = smells_now || []
end

def set_status(smells, status)
  smells.each { |smell| smell.status = status }
end

def smells
  old_smells = @smells_now & @smells_before
  set_status(old_smells, :old)
  new_smells = @smells_now - @smells_before
  set_status(new_smells, :new)
  @smells_now
end