73 lines
1.8 KiB
Ruby
73 lines
1.8 KiB
Ruby
module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module Numeric #:nodoc:
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# Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years.
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#
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# If you need precise date calculations that doesn't just treat months as 30 days, then have
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# a look at Time#advance.
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#
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# Some of these methods are approximations, Ruby's core
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# Date[http://stdlib.rubyonrails.org/libdoc/date/rdoc/index.html] and
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# Time[http://stdlib.rubyonrails.org/libdoc/time/rdoc/index.html] should be used for precision
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# date and time arithmetic
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module Time
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def seconds
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self
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end
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alias :second :seconds
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def minutes
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self * 60
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end
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alias :minute :minutes
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def hours
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self * 60.minutes
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end
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alias :hour :hours
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def days
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self * 24.hours
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end
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alias :day :days
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def weeks
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self * 7.days
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end
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alias :week :weeks
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def fortnights
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self * 2.weeks
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end
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alias :fortnight :fortnights
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def months
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self * 30.days
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end
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alias :month :months
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def years
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(self * 365.25.days).to_i
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end
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alias :year :years
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# Reads best without arguments: 10.minutes.ago
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def ago(time = ::Time.now)
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time - self
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end
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# Reads best with argument: 10.minutes.until(time)
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alias :until :ago
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# Reads best with argument: 10.minutes.since(time)
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def since(time = ::Time.now)
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time + self
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end
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# Reads best without arguments: 10.minutes.from_now
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alias :from_now :since
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end
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end
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end
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end
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