Contents

require 'delegate'

module ExcelAbstraction
  class Date < DelegateClass(Float)
    ADJUSTMENT = ::Date.parse("1900-03-01")
    REFERENCE = ::Date.parse("1900-01-01")

    attr_reader :value

    def initialize(raw_value)
      super(convert(raw_value))
    end

    def to_excel_date
      self
    end

    private

    def reference
      REFERENCE
    end

    def adjustment
      ADJUSTMENT
    end

    def adjust(raw_value)
      adjustment < raw_value ? 2 : 1
    end

    def convert(raw_value)
      (raw_value - reference + adjust(raw_value)).to_f
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
excel_templating-0.4.2	lib/excel_templating/excel_abstraction/date.rb
excel_templating-0.4.1	lib/excel_templating/excel_abstraction/date.rb
excel_templating-0.4.0	lib/excel_templating/excel_abstraction/date.rb
excel_templating-0.3.2	lib/excel_templating/excel_abstraction/date.rb