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require 'active_support/duration'
require 'active_support/core_ext/time/calculations'
require 'active_support/core_ext/time/acts_like'
require 'active_support/core_ext/date/calculations'
require 'active_support/core_ext/date/acts_like'
class Numeric
# Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years.
#
# These methods use Time#advance for precise date calculations when using from_now, ago, etc.
# as well as adding or subtracting their results from a Time object. For example:
#
# # equivalent to Time.current.advance(months: 1)
# 1.month.from_now
#
# # equivalent to Time.current.advance(years: 2)
# 2.years.from_now
#
# # equivalent to Time.current.advance(months: 4, years: 5)
# (4.months + 5.years).from_now
#
# While these methods provide precise calculation when used as in the examples above, care
# should be taken to note that this is not true if the result of `months', `years', etc is
# converted before use:
#
# # equivalent to 30.days.to_i.from_now
# 1.month.to_i.from_now
#
# # equivalent to 365.25.days.to_f.from_now
# 1.year.to_f.from_now
#
# In such cases, Ruby's core
# Date[http://ruby-doc.org/stdlib/libdoc/date/rdoc/Date.html] and
# Time[http://ruby-doc.org/stdlib/libdoc/time/rdoc/Time.html] should be used for precision
# date and time arithmetic.
def seconds
ActiveSupport::Duration.new(self, [[:seconds, self]])
end
alias :second :seconds
# Returns a Duration instance matching the number of minutes provided.
#
# 2.minutes # => 120 seconds
def minutes
ActiveSupport::Duration.new(self * 60, [[:seconds, self * 60]])
end
alias :minute :minutes
# Returns a Duration instance matching the number of hours provided.
#
# 2.hours # => 7_200 seconds
def hours
ActiveSupport::Duration.new(self * 3600, [[:seconds, self * 3600]])
end
alias :hour :hours
# Returns a Duration instance matching the number of days provided.
#
# 2.days # => 2 days
def days
ActiveSupport::Duration.new(self * 24.hours, [[:days, self]])
end
alias :day :days
# Returns a Duration instance matching the number of weeks provided.
#
# 2.weeks # => 14 days
def weeks
ActiveSupport::Duration.new(self * 7.days, [[:days, self * 7]])
end
alias :week :weeks
# Returns a Duration instance matching the number of fortnights provided.
#
# 2.fortnights # => 28 days
def fortnights
ActiveSupport::Duration.new(self * 2.weeks, [[:days, self * 14]])
end
alias :fortnight :fortnights
# Returns the number of milliseconds equivalent to the seconds provided.
# Used with the standard time durations, like 1.hour.in_milliseconds --
# so we can feed them to JavaScript functions like getTime().
#
# 2.in_milliseconds # => 2_000
def in_milliseconds
self * 1000
end
end
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