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