module DateAndTime::Calculations
Constants
- AMOUNT_DAYS_PER_YEAR
- AMOUNT_MONTHS_PER_YEAR
- AMOUNT_WEEKS_PER_YEAR
Public Instance Methods
days_between(date = ::Date.current)
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Returns the number of days to given date, default to Date.current
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# File lib/general_time/core_ext/date_and_time/calculations.rb, line 8 def days_between(date = ::Date.current) date1, date2 = self.to_date, date.to_date ((date2.yday - date1.yday) + AMOUNT_DAYS_PER_YEAR * (date2.year - date1.year)).abs end
months_between(date = ::Date.current)
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Returns the number of months to given date, default to Date.current
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# File lib/general_time/core_ext/date_and_time/calculations.rb, line 22 def months_between(date = ::Date.current) date1, date2 = self.to_date, date.to_date ((date2.month - date1.month) + AMOUNT_MONTHS_PER_YEAR * (date2.year - date1.year)).abs end
weeks_between(date = ::Date.current)
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Returns the number of weeks to given date, default to Date.current
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# File lib/general_time/core_ext/date_and_time/calculations.rb, line 15 def weeks_between(date = ::Date.current) date1, date2 = self.to_date, date.to_date ((date2.cweek - date1.cweek) + AMOUNT_WEEKS_PER_YEAR * (date2.year - date1.year)).abs end
years_between(date = ::Date.current)
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Returns the number of years to given date, default to Date.current
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# File lib/general_time/core_ext/date_and_time/calculations.rb, line 29 def years_between(date = ::Date.current) date1, date2 = self.to_date, date.to_date (date2.year - date1.year).abs end