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Acts_as_rateable is a rails plugin providing a rating interface for ActiveRecord models.
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README.rdoc

Acts As Rateble

Rails 3 ready.

Acts_as_rateable is a rails plugin providing a rating interface for ActiveRecord models. It is released under the MIT license. The original plugin is used on cotcot.hu for article rating, sponsored quizzes, etc.

Features

  • Rating scores are recorded by user

  • Users can update previous ratings

  • Uses a polymorphic association to your model, so no changes to your existing models in the database are required

  • Stores computed score and number of ratings for efficient data access

  • Possibility to change range of the ratings (1..5 is default)

Installation

Install as plugin

To install as a plugin, use:

$ rails plugin install git://github.com/josei/acts_as_rateable.git

Example Usage

Install the plugin, insert 'acts_as_rateable' into your model, then restart your application.

class Post < ActiveRecord::Base
  acts_as_rateable
end

Now your model is extended by the plugin, you can rate it (1-#) or calculate the average rating.

@post.rate_it(4, current_user)

@post.average_rating          #=> 4.0
@post.average_rating_round    #=> 4
@post.average_rating_percent  #=> 80
@post.rated_by?(current_user) #=> true
@post.rating_by(current_user) #=> 4
@post.ratings_couunt          #=> 1

Post.find_top_rated           #=> top rated records

Optional you can specify the highest score using the :max_rating paramter as follows. The default for :max_rating is 5.

class Comment < ActiveRecord::Base
  acts_as_rateable :max_rating => 10
end

See acts_as_rateable.rb for further details!

Copyright

Copyright © 2007 Ferenc Fekete, xpnindustries.com , released under the MIT license

Copyright © 2009 mobalean LLC, www.mobalean.com

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