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# An extension to Ruby's Time class which allows random date and time generation. # Modified slightly from the Danish extension to faker (where this snippet can # also be found, at http://github.com/jesperronn/faker_extension_da/blob/master/lib/faker_da/time.rb) class Time class << self require 'date' def random_date_for_month(month, year = Time.now.year) Date.new( year, month, random_day_of_month( year, month ) ) end def random_time_for_date(year, month, day) Time.local( year, month, day, rand(24), rand(60), rand(60) ) end def random_time_in_month(month, year = Time.now.year) Time.local( year, month, self.random_day_of_month( year, month ), rand(24), rand(60), rand(60) ) end def days_in_month(year, month) (Date.new( year, 12, 31 ) << ( 12 - month )).day end def random_day_of_month(year, month) rand( days_in_month( year, month ) ) + 1 end def random_day_of_year(year) random_date_for_month(random_month, year) end def random_month (1..12).to_a[rand(12)] end def random_date(first_year=1960, last_year=2000) random_day_of_year (first_year..last_year).to_a[rand(last_year-first_year)] end def random_date_and_time(first_year=1960, last_year=2000) day = Time.random_date(first_year, last_year); day_and_time = Time.random_time_for_date(day.year, day.month, day.day) day_and_time end end end if __FILE__ == $0 puts "100 random datetimes: " 100.times do puts " * " + Time.random_date_and_time.to_s end end

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