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TheComments - probably, best commenting system for Rails
- Threaded comments
- Useful cache counters
- Admin UI for moderation
- Online Support via skype: ilya.killich
- Denormalization for Recent comments
- Production-ready commenting system for Rails 4+
- Designed for preprocessors Sanitize, Textile, Markdawn etc.
Gemfile
gem 'the_comments', "~> 2.0"
gem 'haml' # or gem 'slim'
gem 'awesome_nested_set' # or same gem
Bundle
bundle
Copy migrations
rake the_comments_engine:install:migrations
Will create:
- xxxxx_change_user.rb
- xxxxx_create_comments.rb
- xxxxx_change_commentable.rb
class ChangeCommentable < ActiveRecord::Migration
def change
# Additional fields to Commentable Models
# [:posts, :articles, ... ]
# There is only Post model is commentable
[:posts].each do |table_name|
change_table table_name do |t|
t.integer :draft_comments_count, default: 0
t.integer :published_comments_count, default: 0
t.integer :deleted_comments_count, default: 0
end
end
end
end
Invoke migrations
rake db:migrate
rails g the_comments install
Will create:
- config/initializers/the_comments.rb
- app/controllers/comments_controller.rb
- app/models/comment.rb
app/models/user.rb
class User < ActiveRecord::Base
include TheComments::User
has_many :posts
def admin?
self == User.first
end
def comments_admin?
admin?
end
def comments_moderator? comment
id == comment.holder_id
end
end
app/models/post.rb
class Post < ActiveRecord::Base
include TheComments::Commentable
belongs_to :user
# Denormalization methods
# Please, read about advanced using
def commentable_title
"Undefined Post Title"
end
def commentable_url
"#"
end
def commentable_state
"published"
end
end
app/assets/stylesheets/application.css
/*
*= require the_comments
*/
app/assets/javascripts/application.js
//= require the_comments
app/controllers/posts_controllers.rb
def show
@post = Post.find params[:id]
@comments = @post.comments.with_state([:draft, :published])
end
app/views/posts/show.html.haml
= render partial: 'the_comments/tree', locals: { commentable: @post, comments_tree: @comments }
Copyright (c) 2013 Ilya N. Zykin
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.