vendor/rails/activesupport/lib/active_support/core_ext/numeric/conversions.rb

   1 module ActiveSupport #:nodoc:
   2   module CoreExtensions #:nodoc:
   3     module Numeric #:nodoc:
   4       module Conversions
   5         # Assumes self represents an offset from UTC in seconds (as returned from Time#utc_offset)
   6         # and turns this into an +HH:MM formatted string. Example:
   7         #
   8         #   -21_600.to_utc_offset_s   # => "-06:00"
   9         def to_utc_offset_s(colon=true)
  10           seconds = self
  11           sign = (seconds < 0 ? -1 : 1)
  12           hours = seconds.abs / 3600
  13           minutes = (seconds.abs % 3600) / 60
  14           "%+03d%s%02d" % [ hours * sign, colon ? ":" : "", minutes ]
  15         end
  16       end
  17     end
  18   end
  19 end