require 'active_support/core_ext/big_decimal/conversions'
require 'active_support/number_helper'
class Numeric
# Provides options for converting numbers into formatted strings.
# Options are provided for phone numbers, currency, percentage,
# precision, positional notation, file size and pretty printing.
#
# ==== Options
#
# For details on which formats use which options, see ActiveSupport::NumberHelper
#
# ==== Examples
#
# Phone Numbers:
# 5551234.to_s(:phone) # => 555-1234
# 1235551234.to_s(:phone) # => 123-555-1234
# 1235551234.to_s(:phone, :area_code => true) # => (123) 555-1234
# 1235551234.to_s(:phone, :delimiter => " ") # => 123 555 1234
# 1235551234.to_s(:phone, :area_code => true, :extension => 555) # => (123) 555-1234 x 555
# 1235551234.to_s(:phone, :country_code => 1) # => +1-123-555-1234
# 1235551234.to_s(:phone, :country_code => 1, :extension => 1343, :delimiter => ".")
# # => +1.123.555.1234 x 1343
#
# Currency:
# 1234567890.50.to_s(:currency) # => $1,234,567,890.50
# 1234567890.506.to_s(:currency) # => $1,234,567,890.51
# 1234567890.506.to_s(:currency, :precision => 3) # => $1,234,567,890.506
# 1234567890.506.to_s(:currency, :locale => :fr) # => 1 234 567 890,51 €
# -1234567890.50.to_s(:currency, :negative_format => "(%u%n)")
# # => ($1,234,567,890.50)
# 1234567890.50.to_s(:currency, :unit => "£", :separator => ",", :delimiter => "")
# # => £1234567890,50
# 1234567890.50.to_s(:currency, :unit => "£", :separator => ",", :delimiter => "", :format => "%n %u")
# # => 1234567890,50 £
#
# Percentage:
# 100.to_s(:percentage) # => 100.000%
# 100.to_s(:percentage, :precision => 0) # => 100%
# 1000.to_s(:percentage, :delimiter => '.', :separator => ',') # => 1.000,000%
# 302.24398923423.to_s(:percentage, :precision => 5) # => 302.24399%
# 1000.to_s(:percentage, :locale => :fr) # => 1 000,000%
# 100.to_s(:percentage, :format => "%n %") # => 100 %
#
# Delimited:
# 12345678.to_s(:delimited) # => 12,345,678
# 12345678.05.to_s(:delimited) # => 12,345,678.05
# 12345678.to_s(:delimited, :delimiter => ".") # => 12.345.678
# 12345678.to_s(:delimited, :delimiter => ",") # => 12,345,678
# 12345678.05.to_s(:delimited, :separator => " ") # => 12,345,678 05
# 12345678.05.to_s(:delimited, :locale => :fr) # => 12 345 678,05
# 98765432.98.to_s(:delimited, :delimiter => " ", :separator => ",")
# # => 98 765 432,98
#
# Rounded:
# 111.2345.to_s(:rounded) # => 111.235
# 111.2345.to_s(:rounded, :precision => 2) # => 111.23
# 13.to_s(:rounded, :precision => 5) # => 13.00000
# 389.32314.to_s(:rounded, :precision => 0) # => 389
# 111.2345.to_s(:rounded, :significant => true) # => 111
# 111.2345.to_s(:rounded, :precision => 1, :significant => true) # => 100
# 13.to_s(:rounded, :precision => 5, :significant => true) # => 13.000
# 111.234.to_s(:rounded, :locale => :fr) # => 111,234
# 13.to_s(:rounded, :precision => 5, :significant => true, :strip_insignificant_zeros => true)
# # => 13
# 389.32314.to_s(:rounded, :precision => 4, :significant => true) # => 389.3
# 1111.2345.to_s(:rounded, :precision => 2, :separator => ',', :delimiter => '.')
# # => 1.111,23
#
# Human-friendly size in Bytes:
# 123.to_s(:human_size) # => 123 Bytes
# 1234.to_s(:human_size) # => 1.21 KB
# 12345.to_s(:human_size) # => 12.1 KB
# 1234567.to_s(:human_size) # => 1.18 MB
# 1234567890.to_s(:human_size) # => 1.15 GB
# 1234567890123.to_s(:human_size) # => 1.12 TB
# 1234567.to_s(:human_size, :precision => 2) # => 1.2 MB
# 483989.to_s(:human_size, :precision => 2) # => 470 KB
# 1234567.to_s(:human_size, :precision => 2, :separator => ',') # => 1,2 MB
# 1234567890123.to_s(:human_size, :precision => 5) # => "1.1229 TB"
# 524288000.to_s(:human_size, :precision => 5) # => "500 MB"
#
# Human-friendly format:
# 123.to_s(:human) # => "123"
# 1234.to_s(:human) # => "1.23 Thousand"
# 12345.to_s(:human) # => "12.3 Thousand"
# 1234567.to_s(:human) # => "1.23 Million"
# 1234567890.to_s(:human) # => "1.23 Billion"
# 1234567890123.to_s(:human) # => "1.23 Trillion"
# 1234567890123456.to_s(:human) # => "1.23 Quadrillion"
# 1234567890123456789.to_s(:human) # => "1230 Quadrillion"
# 489939.to_s(:human, :precision => 2) # => "490 Thousand"
# 489939.to_s(:human, :precision => 4) # => "489.9 Thousand"
# 1234567.to_s(:human, :precision => 4,
# :significant => false) # => "1.2346 Million"
# 1234567.to_s(:human, :precision => 1,
# :separator => ',',
# :significant => false) # => "1,2 Million"
def to_formatted_s(format = :default, options = {})
case format
when :phone
return ActiveSupport::NumberHelper.number_to_phone(self, options)
when :currency
return ActiveSupport::NumberHelper.number_to_currency(self, options)
when :percentage
return ActiveSupport::NumberHelper.number_to_percentage(self, options)
when :delimited
return ActiveSupport::NumberHelper.number_to_delimited(self, options)
when :rounded
return ActiveSupport::NumberHelper.number_to_rounded(self, options)
when :human
return ActiveSupport::NumberHelper.number_to_human(self, options)
when :human_size
return ActiveSupport::NumberHelper.number_to_human_size(self, options)
else
self.to_default_s
end
end
[Float, Fixnum, Bignum, BigDecimal].each do |klass|
klass.send(:alias_method, :to_default_s, :to_s)
klass.send(:define_method, :to_s) do |*args|
if args[0].is_a?(Symbol)
format = args[0]
options = args[1] || {}
self.to_formatted_s(format, options)
else
to_default_s(*args)
end
end
end
end
