Code styles

a.rb

def catch22
  model = Model.create!(:field1 => product_row[:part_number],
                        :field2 => product_row[:element_name],
                        :field3 => product_row[:pattern_value],
                        :field4 => product_row[:fixed_dp],
                        :field5 => product_row[:franchise_name],
                        :field6 => product_row[:product_code],
                        :field7 => (product_row[:volume].to_i == 0 ? nil : product_row[:volume]),
                        :field8 => product_row[:package_quantity])
  # other code...
end

b.rb

def catch22
  model = Model.create!(
    :field1 => product_row[:part_number],
    :field2 => product_row[:element_name],
    :field3 => product_row[:pattern_value],
    :field4 => product_row[:fixed_dp],
    :field5 => product_row[:franchise_name],
    :field6 => product_row[:product_code],
    :field7 => (product_row[:volume].to_i == 0 ? nil : product_row[:volume]),
    :field8 => product_row[:package_quantity]
  )
  # other code...
end