Moved TextHelper#human_size to NumberHelper#number_to_human_size, but kept an deprecated alias to the old method name

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1147 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 22 insertions, 0 deletions

diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index 05103e09ff..2f753558b2 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -77,6 +77,28 @@ module ActionView
         number.gsub(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{delimiter}")
       end
 
+      # Returns a formatted-for-humans file size.
+      # 
+      # Examples:
+      #   human_size(123)          => 123 Bytes
+      #   human_size(1234)         => 1.2 KB
+      #   human_size(12345)        => 12.1 KB
+      #   human_size(1234567)      => 1.2 MB
+      #   human_size(1234567890)   => 1.1 GB
+      def number_to_human_size(size)
+        begin
+          return "%d Bytes" % size                if size < 1.kilobytes
+          return "%.1f KB" % (size/1.0.kilobytes) if size < 1.megabytes
+          return "%.1f MB" % (size/1.0.megabytes) if size < 1.gigabytes
+          return "%.1f GB" % (size/1.0.gigabytes) if size < 1.terabytes
+          return "%.1f TB" % (size/1.0.terabytes) 
+        rescue
+          # just return nothing
+        end
+      end
+      
+      alias_method :human_size, :number_to_human_size # deprecated alias
+
       # Formats a +number+ with a level of +precision+.
       # Example:
       #    number_with_precision(111.2345) => 111.235