README.md in has_meta-0.0.2 vs README.md in has_meta-0.0.3
- old
+ new
@@ -1,11 +1,11 @@
# HasMeta
[](http://badge.fury.io/rb/has_meta)
Adds convenience methods to extract "meta" (as in http meta) strings from
-models by using existing fields for source data. Strings are stripped of html
+models by using existing fields or lambda/Procs for source data. Result is stripped of html
tags and truncated to length (default 255).
## Installation
Add this line to your application's Gemfile:
@@ -21,11 +21,17 @@
$ gem install has_meta
## Usage
class BlogPost < ActiveRecord::Base
- has_meta :keywords => :keywords, :description => [:short_description, :content]
+ has_meta :keywords => :keywords,
+ :description => [:short_description, :content],
+ :foo => lambda {|o| o.some_instance_method }
+
+ def some_instance_method
+ Time.now
+ end
end
bp = BlogPost.new(...)
bp.meta_keywords == bp.meta_keywords
@@ -33,9 +39,14 @@
# if short_description is not blank and less than 255 characters then
bp.meta_description == bp.short_description
# if short_description is blank then
bp.meta_description == bp.content.slice(0,255)
+
+ # blocks will be passed an instance of the object itself
+ bp.meta_foo == "Feb 27, 4:36:00 PM" # for example
+ sleep 1
+ bp.meta_foo == "Feb 27, 4:36:01 PM" # one second later
## Contributing
1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)