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Added TextHelper#human_size for formatting file sizes, like human_siz…

…e(1234567) => 1.2 MB #943 [thomas@fesch.at]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@995 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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1 parent 4b3bb3d commit b0d69b170f8bb7428846c46cf26bd0104d807100 @dhh dhh committed Mar 26, 2005
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  1. +2 −0 actionpack/CHANGELOG
  2. +20 −0 actionpack/lib/action_view/helpers/text_helper.rb
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2 actionpack/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Added TextHelper#human_size for formatting file sizes, like human_size(1234567) => 1.2 MB #943 [thomas@fesch.at]
+
* Fixed link_to :confirm #936 [Nicholas Seckar]
* Improved error reporting especially around never shallowing exceptions. Debugging helpers should be much easier now #980 [Nicholas Seckar]
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20 actionpack/lib/action_view/helpers/text_helper.rb
@@ -128,6 +128,26 @@ def auto_link(text, link = :all)
def strip_links(text)
text.gsub(/<a.*>(.*)<\/a>/m, '\1')
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 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
private
# Returns a version of the text that's safe to use in a regular expression without triggering engine features.

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