instiki/vendor/rails/activesupport/lib/active_support/core_ext/numeric/conversions.rb
2010-05-25 12:45:45 -05:00

20 lines
645 B
Ruby

module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Numeric #:nodoc:
module Conversions
# Assumes self represents an offset from UTC in seconds (as returned from Time#utc_offset)
# and turns this into an +HH:MM formatted string. Example:
#
# -21_600.to_utc_offset_s # => "-06:00"
def to_utc_offset_s(colon=true)
seconds = self
sign = (seconds < 0 ? '-' : '+')
hours = seconds.abs / 3600
minutes = (seconds.abs % 3600) / 60
"%s%02d%s%02d" % [ sign, hours, colon ? ":" : "", minutes ]
end
end
end
end
end