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require 'active_support/inflector/methods'
require 'active_support/values/time_zone'
class Time
DATE_FORMATS = {
:db => '%Y-%m-%d %H:%M:%S',
:number => '%Y%m%d%H%M%S',
:nsec => '%Y%m%d%H%M%S%9N',
:time => '%H:%M',
:short => '%d %b %H:%M',
:long => '%B %d, %Y %H:%M',
:long_ordinal => lambda { |time|
day_format = ActiveSupport::Inflector.ordinalize(time.day)
time.strftime("%B #{day_format}, %Y %H:%M")
},
:rfc822 => lambda { |time|
offset_format = time.formatted_offset(false)
time.strftime("%a, %d %b %Y %H:%M:%S #{offset_format}")
}
}
# Converts to a formatted string. See DATE_FORMATS for builtin formats.
#
# This method is aliased to <tt>to_s</tt>.
#
# time = Time.now # => Thu Jan 18 06:10:17 CST 2007
#
# time.to_formatted_s(:time) # => "06:10"
# time.to_s(:time) # => "06:10"
#
# time.to_formatted_s(:db) # => "2007-01-18 06:10:17"
# time.to_formatted_s(:number) # => "20070118061017"
# time.to_formatted_s(:short) # => "18 Jan 06:10"
# time.to_formatted_s(:long) # => "January 18, 2007 06:10"
# time.to_formatted_s(:long_ordinal) # => "January 18th, 2007 06:10"
# time.to_formatted_s(:rfc822) # => "Thu, 18 Jan 2007 06:10:17 -0600"
#
# == Adding your own time formats to +to_formatted_s+
# You can add your own formats to the Time::DATE_FORMATS hash.
# Use the format name as the hash key and either a strftime string
# or Proc instance that takes a time argument as the value.
#
# # config/initializers/time_formats.rb
# Time::DATE_FORMATS[:month_and_year] = '%B %Y'
# Time::DATE_FORMATS[:short_ordinal] = ->(time) { time.strftime("%B #{time.day.ordinalize}") }
def to_formatted_s(format = :default)
if formatter = DATE_FORMATS[format]
formatter.respond_to?(:call) ? formatter.call(self).to_s : strftime(formatter)
else
to_default_s
end
end
alias_method :to_default_s, :to_s
alias_method :to_s, :to_formatted_s
# Returns the UTC offset as an +HH:MM formatted string.
#
# Time.local(2000).formatted_offset # => "-06:00"
# Time.local(2000).formatted_offset(false) # => "-0600"
def formatted_offset(colon = true, alternate_utc_string = nil)
utc? && alternate_utc_string || ActiveSupport::TimeZone.seconds_to_utc_offset(utc_offset, colon)
end
end
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