Class: Concepts::AlphabeticalController

Inherits:
ConceptsController
  • Object
show all
Includes:
DatasetInitialization
Defined in:
app/controllers/concepts/alphabetical_controller.rb

Direct Known Subclasses

ExpiredController

Instance Method Summary collapse

Methods included from DatasetInitialization

#datasets_as_json, #init_datasets

Instance Method Details

#index ⇒ Object 



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# File 'app/controllers/concepts/alphabetical_controller.rb', line 22

def index
  authorize! :read, Concept::Base

  redirect_to(url_for prefix: 'a') unless params[:prefix]

  # only initilaize dataset if dataset param is set
  # prevent obsolet http request when using matches widget
  datasets = params[:dataset] ? init_datasets : []

  @letters = Label::Base.select("DISTINCT UPPER(SUBSTR(value, 1, 1)) AS letter")
                        .order("letter").map(&:letter)

  if dataset = datasets.detect { |dataset| dataset.name == params[:dataset] }
    query = params[:prefix].mb_chars.downcase.to_s
    @search_results = dataset.alphabetical_search(query, I18n.locale) || []
    @search_results = Kaminari.paginate_array(@search_results).page(params[:page])
  else
    @search_results = find_labelings

    # When in single query mode, AR handles ALL includes to be loaded by that
    # one query. We don't want that! So let's do it manually :-)
    includes = Iqvoc::Concept.base_class.default_includes
    if Iqvoc::Concept.note_classes.include?(Note::SKOS::Definition)
      includes << Note::SKOS::Definition.name.to_relation_name
    end
    ActiveRecord::Associations::Preloader.new.preload(@search_results, owner: includes)

    @search_results.to_a.map! { |pl| AlphabeticalSearchResult.new(pl) }
  end

  respond_to do |format|
    format.html { render :index, layout: with_layout? }
  end
end