Acts As Commentable

Provides a single Comment model that can be attached to any model(s) within your app. It creates a Comment model and handles the plumbing between that model and any models that you declare to be commentable models.

Installation :

Add the following line to your Gemfile

Rails 4

  gem "acts_as_commentable", git: "https://github.com/BridgeU/acts_as_commentable"

Generator

Rails 3+

  rails g comment

Then migrate your database to add the comments model:

  rake db:migrate

Usage

Make the desired ActiveRecord model act as commentable:

  class Post < ActiveRecord::Base
    acts_as_commentable
  end

Add a comment to a model instance by adding the following to the controller:

  commentable = Post.create
  comment = commentable.comments.create
  comment.title = "First comment."
  comment.comment = "This is the first comment."
  comment.save

Fetch comments for the commentable model by adding the following to the view:

  commentable = Post.find(1)
  comments = commentable.comments.recent.limit(10).all

You can also add different types of comments to a model:

  class Todo < ActiveRecord::Base
    acts_as_commentable :public, :private
  end

Note: This feature is only available from version 4.0 and above

To fetch the different types of comments for this model:

  public_comments = Todo.find(1).public_comments
  private_comments = Todo.find(1).private_comments

By default, acts_as_commentable will assume you are using a Comment model. To change this, or change any other join options, pass in an options hash:

    class Todo < ActiveRecord::Base
      acts_as_commentable class_name: 'MyComment'
    end

This also works in conjunction with comment types:

    class Todo < ActiveRecord::Base
      acts_as_commentable :public, :private, { class_name: 'MyComment' }
    end

Credits

Xelipe - This plugin is heavily influenced by Acts As Taggable.

Contributors

Jack Dempsey, Chris Eppstein, Jim Ray, Matthew Van Horn, Ole Riesenberg, ZhangJinzhu, maddox, monocle, mrzor, Michael Bensoussan, JP Ferreira

More

http://www.juixe.com/techknow/index.php/2006/06/18/acts-as-commentable-plugin/ http://www.juixe.com/projects/acts_as_commentable