class Date
Public Class Methods
days_between(start, finish)
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# File lib/bad_ass_extensions/date.rb, line 6 def self.days_between(start, finish) (finish - start).to_i end
months_between(start, finish)
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# File lib/bad_ass_extensions/date.rb, line 14 def self.months_between(start, finish) if start.year != finish.year difference = (12 - start.month) + (12 * years_between(start, finish)) + finish.month else difference = finish.month - start.month end difference -= 1 if finish.day < start.day difference end
weeks_between(start, finish)
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# File lib/bad_ass_extensions/date.rb, line 10 def self.weeks_between(start, finish) days_between(start, finish) / 7 end
years_between(start, finish)
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# File lib/bad_ass_extensions/date.rb, line 24 def self.years_between(start, finish) difference = finish.year - start.year difference -= 1 if difference > 0 && (finish.month < start.month || finish.day < start.day) difference end