From f170453493dd7c2d62f7b866867f7a3c8ec623d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Fri, 20 Jan 2012 16:26:45 -0300
Subject: [PATCH] Remove code duplication

---
 .../lib/action_view/helpers/number_helper.rb  | 53 +++++++------------
 1 file changed, 19 insertions(+), 34 deletions(-)

diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index c560750927..d4f1c22c14 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -237,14 +237,8 @@ module ActionView
       def number_with_delimiter(number, options = {})
         options.symbolize_keys!
 
-        begin
-          Float(number)
-        rescue ArgumentError, TypeError
-          if options[:raise]
-            raise InvalidNumberError, number
-          else
-            return number
-          end
+        parse_float_number(number, options[:raise]) do
+          return number
         end
 
         defaults = I18n.translate(:'number.format', :locale => options[:locale], :default => {})
@@ -253,7 +247,6 @@ module ActionView
         parts = number.to_s.to_str.split('.')
         parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{options[:delimiter]}")
         parts.join(options[:separator]).html_safe
-
       end
 
       # Formats a +number+ with the specified level of <tt>:precision</tt> (e.g., 112.32 has a precision
@@ -290,14 +283,8 @@ module ActionView
       def number_with_precision(number, options = {})
         options.symbolize_keys!
 
-        number = begin
-          Float(number)
-        rescue ArgumentError, TypeError
-          if options[:raise]
-            raise InvalidNumberError, number
-          else
-            return number
-          end
+        number = parse_float_number(number, options[:raise]) do
+          return number
         end
 
         defaults           = I18n.translate(:'number.format', :locale => options[:locale], :default => {})
@@ -329,7 +316,6 @@ module ActionView
         else
           formatted_number
         end
-
       end
 
       STORAGE_UNITS = [:byte, :kb, :mb, :gb, :tb].freeze
@@ -367,14 +353,8 @@ module ActionView
       def number_to_human_size(number, options = {})
         options.symbolize_keys!
 
-        number = begin
-          Float(number)
-        rescue ArgumentError, TypeError
-          if options[:raise]
-            raise InvalidNumberError, number
-          else
-            return number
-          end
+        number = parse_float_number(number, options[:raise]) do
+          return number
         end
 
         defaults = I18n.translate(:'number.format', :locale => options[:locale], :default => {})
@@ -486,14 +466,8 @@ module ActionView
       def number_to_human(number, options = {})
         options.symbolize_keys!
 
-        number = begin
-          Float(number)
-        rescue ArgumentError, TypeError
-          if options[:raise]
-            raise InvalidNumberError, number
-          else
-            return number
-          end
+        number = parse_float_number(number, options[:raise]) do
+          return number
         end
 
         defaults = I18n.translate(:'number.format', :locale => options[:locale], :default => {})
@@ -536,6 +510,17 @@ module ActionView
         decimal_format.gsub(/%n/, formatted_number).gsub(/%u/, unit).strip.html_safe
       end
 
+      private
+
+      def parse_float_number(number, raise_error)
+        Float(number)
+      rescue ArgumentError, TypeError
+        if raise_error
+          raise InvalidNumberError, number
+        else
+          yield
+        end
+      end
     end
   end
 end