# script/plugin install svn://insidevents.com/repository/simply_commentable/trunk simply_commentable

class Post < ActiveRecord::Base
  has_comments
end

class User < ActiveRecord::Base
  posts_comments
end

class Comment < ActiveRecord::Base
  is_comment_model
end

# Generate the comments table migration:
# script/generate comments_migration

>> current_user.comment_for? @post
=> false
>> current_user.comment_for! @post
=> ActiveRecord::RecordInvalid: Validation failed: Title can't be blank, Comment can't be blank
>> current_user.comment_for! @post, :title => "Title", :comment => "Body"
=> #<Comment:0xb67b8ca4 @errors=#<ActiveRecord::Errors:0xb67b7e08 @errors={}, @base=#<Comment:0xb67b8ca4 ...>>, @attributes={"commentable_type"=>"Venue", "title"=>"Title", "id"=>5, "commentable_id"=>3, "user_id"=>4, "comment"=>"Body", "created_at"=>Wed Jan 31 05:38:16 UTC 2007}, @new_record=false>
>> current_user.comment_for? @post
=> true
>> @post.comment_by? current_user
=> true

current_user.comments_for @post
current_user.comments_for Post

@post.comments_by current_user
@post.comments_by current_user.id

Comment.find_all_for @post
Comment.find_all_for Post
Comment.find_all_by current_user