```ruby
module Admin::DocumentCollectionHelper
  class DocumentCollectionGroupSelector
    class OrganisationPresenter
      def initialize(organisation)
        @organisation = organisation
      end

      def name
        @organisation.name
      end

      def document_collection_groups
        @organisation.document_collections.map do |collection|
          collection.groups.map { |group| GroupPresenter.new(group) }
        end.flatten
      end
    end

    class GroupPresenter
      def initialize(group)
        @group = group
      end

      def group_id
        @group.id
      end

      def collection_and_group_name
        "#{@group.document_collection.title} (#{@group.heading})"
      end
    end

    def organisations_for_select(user)
      orgs = Organisation.scoped.with_translations.to_a
      collection = orgs.reject { |org| org == user.organisation }
      if user.organisation
        users_org = orgs.detect { |org| org == user.organisation }
        collection.unshift(users_org)
      end
      collection.map { |org| OrganisationPresenter.new(org) }
    end
  end

  def document_collection_select_options(edition, user, selected_ids)
    collection = DocumentCollectionGroupSelector.new.organisations_for_select(user)
    option_groups_from_collection_for_select(
      collection,
      :document_collection_groups,
      :name,
      :group_id,
      :collection_and_group_name,
      selected_ids
    )
  end
end
```

Fix document collection menu on speed tagging page
user
```ruby
module Admin::DocumentCollectionHelper
  def document_collection_select_options(edition, user, selected_ids)
    options = Rails.cache.fetch("document_collection_select_options", expires_in: 30.minutes) do
      DocumentCollection.alphabetical.map  do |collection|
        collection.groups.map do |group|
          ["#{collection.title} (#{group.heading})", group.id]
        end
      end
    end
    options_for_select(options, selected_ids)
  end
end
```
assistant