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Acts As Commentable (now with comment threads (TM)!!! -- kidding on the (TM)) =================== Allows for threaded comments to be added to multiple and different models. Drop-in compatible for acts_as_commentable (however requiring a database schema change) == Resources This plugin depends on CollectiveIdea's Awesome Nested Set plugin. You can find the plugin on GitHub: http://github.com/collectiveidea/awesome_nested_set/tree/master == Install Rails * To install as a plugin: script/plugin install http://github.com/jackdempsey/acts_as_commentable Merb/Rails * To install as a gem: rake install Rails * To install from scratch: script/generate acts_as_commentable_with_threading_migration This will generate the migration script necessary for the table * To upgrade to acts_as_commentable_with_threading from the old acts_as_commentable: script/generate acts_as_commentable_upgrade_migration This will generate the necessary migration to upgrade your comments table to work with acts_as_commentable_with_threading * Create a new rails migration and add the following self.up and self.down methods * These are the required fields for the database migration, however you may add any additional fields you need. def self.up create_table "comments", :force => true do |t| t.integer "commentable_id", :default => 0 t.string "commentable_type", :limit => 15, :default => "" t.text "body", :default => "" t.integer "user_id", :default => 0, :null => false t.integer "parent_id" t.integer "lft" t.integer "rgt" t.timestamps end add_index "comments", "user_id" add_index "comments", "commentable_id" end def self.down drop_table :comments end == Usage class Article < ActiveRecord::Base acts_as_commentable end * Add a comment to a model instance, for example an Article @article = Article.find(params[:id]) @user_who_commented = @current_user @comment = Comment.build_from(@article, @user_who_commented.id, "Hey guys this is my comment!" ) * To make a newly created comment into a child/reply of another comment comment.move_to_child_of(the_desired_parent_comment) * To retrieve all comments for an article, including child comments @all_comments = @article.comment_threads * To retrieve only the root comments without their children comments @root_comments = @article.root_comments * To check if a comment has children @comment.has_children? * To verify the number of children a comment has @comment.children.size * To retrieve a comments children @comment.children *If you plan to use the acts_as_voteable plugin with your comment system be sure to uncomment two things: in lib/comment.rb uncomment the line "acts_as_voteable" in lib/acts_as_commentable_with_threading.rb uncomment the line "include Juixe::Acts::Voteable" near the top == Credits Jack Dempsey - This plugin/gem is heavily influenced/liberally borrowed/stole from acts_as_commentable which in turn credits.... Xelipe - Because acts_as_commentable was heavily influenced by Acts As Taggable. == More http://triple-dog-dare.com http://evan.tiggerpalace.com