```ruby
class OffersController < PostsController
  before_filter :has_organization, :only => 'dashboard'

  def dashboard

    @offers = Hash.new
    Category.all.sort_by{ |a| a.name.downcase }.each do |category|
      offers_by_category = current_organization.offers.merge(category.posts).limit(5)
      @offers[category] = offers_by_category if offers_by_category.any?
    end
  end

  private

  def has_organization
     redirect_to(offers_path) unless current_organization
  end

end
```

Make rubocop and hound happy.
user
```ruby
# Managems of offer-type posts
#
class OffersController < PostsController
  before_action :ensure_organization, only: :dashboard

  def dashboard
    @offers = Category.all
              .sort_by { |a| a.name.downcase }
              .each_with_object({}) do |category, offers|
      list = current_organization.offers.merge(category.posts).limit(5)
      offers[category] = list if list.present?
    end
  end

  private

  def ensure_organization
    redirect_to(offers_path) unless current_organization
  end
end
```
assistant