Sha256: 18b29b40b2042c74b1547b90455c082ca7012ed96b0b3ffb188a907d86126835

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Versions: 25

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Stored size: 1.73 KB

Contents

# frozen_string_literal: true

require "active_support/number_helper/number_converter"

module ActiveSupport
  module NumberHelper
    class NumberToHumanSizeConverter < NumberConverter #:nodoc:
      STORAGE_UNITS = [:byte, :kb, :mb, :gb, :tb, :pb, :eb]

      self.namespace      = :human
      self.validate_float = true

      def convert
        @number = Float(number)

        # for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files
        unless options.key?(:strip_insignificant_zeros)
          options[:strip_insignificant_zeros] = true
        end

        if smaller_than_base?
          number_to_format = number.to_i.to_s
        else
          human_size = number / (base**exponent)
          number_to_format = NumberToRoundedConverter.convert(human_size, options)
        end
        conversion_format.gsub("%n", number_to_format).gsub("%u", unit)
      end

      private

        def conversion_format
          translate_number_value_with_default("human.storage_units.format", locale: options[:locale], raise: true)
        end

        def unit
          translate_number_value_with_default(storage_unit_key, locale: options[:locale], count: number.to_i, raise: true)
        end

        def storage_unit_key
          key_end = smaller_than_base? ? "byte" : STORAGE_UNITS[exponent]
          "human.storage_units.units.#{key_end}"
        end

        def exponent
          max = STORAGE_UNITS.size - 1
          exp = (Math.log(number) / Math.log(base)).to_i
          exp = max if exp > max # avoid overflow for the highest unit
          exp
        end

        def smaller_than_base?
          number.to_i < base
        end

        def base
          1024
        end
    end
  end
end

Version data entries

25 entries across 23 versions & 5 rubygems

Version Path
activesupport-6.0.2.2 lib/active_support/number_helper/number_to_human_size_converter.rb
argon-1.3.1 vendor/bundle/ruby/2.7.0/gems/activesupport-6.0.2.1/lib/active_support/number_helper/number_to_human_size_converter.rb
symbolic_enum-1.1.5 vendor/bundle/ruby/2.7.0/gems/activesupport-6.0.2.1/lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.2.1 lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.2 lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.2.rc2 lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.2.rc1 lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.1 lib/active_support/number_helper/number_to_human_size_converter.rb
chatops-rpc-0.0.2 fixtures/chatops-controller-example/vendor/bundle/ruby/2.5.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.1.rc1 lib/active_support/number_helper/number_to_human_size_converter.rb
chatops-rpc-0.0.1 fixtures/chatops-controller-example/vendor/bundle/ruby/2.5.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.9.1 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.9.0 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.8.3 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
zuora_connect_ui-0.8.2 vendor/ruby/2.6.0/gems/activesupport-6.0.0/lib/active_support/number_helper/number_to_human_size_converter.rb
activesupport-6.0.0 lib/active_support/number_helper/number_to_human_size_converter.rb