Module: Juixe::Acts::Commentable::ClassMethods

Includes:
HelperMethods
Defined in:
lib/commentable_methods.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_commentable(*args) ⇒ Object 



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# File 'lib/commentable_methods.rb', line 41

def acts_as_commentable(*args)
  options = args.to_a.flatten.compact.partition{ |opt| opt.kind_of? Hash }
  comment_roles = options.last.blank? ? nil : options.last.flatten.compact.map(&:to_sym)

  join_options = options.first.blank? ? [{}] : options.first
  throw 'Only one set of options can be supplied for the join' if join_options.length > 1
  join_options = join_options.first

  class_attribute :comment_types
  self.comment_types = (comment_roles.blank? ? [:comments] : comment_roles)

  if !comment_roles.blank?
    comment_roles.each do |role|
      define_role_based_inflection(role)
    end
    has_many :all_comments, { :as => :commentable, :dependent => :destroy, class_name: 'Comment' }.merge(join_options)
  else
    has_many :comments, {:as => :commentable, :dependent => :destroy}.merge(join_options)
  end

  comment_types.each do |role|
    method_name = (role == :comments ? "comments" : "#{role.to_s}_comments").to_s
    class_eval %{
      def self.find_#{method_name}_for(obj)
        commentable = self.base_class.name
        Comment.find_comments_for_commentable(commentable, obj.id, "#{role.to_s}")
      end

      def self.find_#{method_name}_by_user(user)
        commentable = self.base_class.name
        Comment.where(["user_id = ? and commentable_type = ? and role = ?", user.id, commentable, "#{role.to_s}"]).order("created_at DESC")
      end

      def #{method_name}_ordered_by_submitted
        Comment.find_comments_for_commentable(self.class.name, id, "#{role.to_s}").order("created_at")
      end

      def add_#{method_name.singularize}(comment)
        comment.role = "#{role.to_s}"
        #{method_name} << comment
      end
    }
  end
end