A simple plugin that allows a user to mark anything as 'read.' Common usage would include forum posts, news items, etc.
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ActsAsReadable ============== ActsAsReadable allows you to create a generic relationship of items which can be marked as 'read' by users. This is useful for forums or any other kind of situation where you might need to know whether or not a user has seen a particular model. Installation ============ To install the plugin just install from the SVN: script/plugin install http://svn.intridea.com/svn/public/acts_as_readable You will need the readings table to use this plugin. A generator has been included, simply type script/generate acts_as_readable_migration to get the standard migration created for you. Example ======= class Post < ActiveRecord::Base acts_as_readable end bob = User.find_by_name("bob") bob.readings # =>  Post.find_unread_by(bob) # => [<Post 1>,<Post 2>,<Post 3>...] Post.find_read_by(bob) # =>  Post.find(1).read_by?(bob) # => false Post.find(1).read_by!(bob) # => <Reading 1> Post.find(1).read_by?(bob) # => true Post.find(1).users_who_read # => [<User bob>] Post.find_unread_by(bob) # => [<Post 2>,<Post 3>...] Post.find_read_by(bob) # => [<Post 1>] bob.readings # => [<Reading 1>] Copyright (c) 2008 Michael Bleigh and Intridea, Inc. released under the MIT license