Class: Concepts::AlphabeticalController

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

Overview

Copyright 2011 innoQ Deutschland GmbH

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Instance Method Summary collapse

Instance Method Details

#index ⇒ Object 



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# File 'app/controllers/concepts/alphabetical_controller.rb', line 19

def index
  authorize! :read, Concept::Base

  params[:prefix] = params[:letter] if params[:prefix].nil? # legacy compatibility -- XXX: unnecessary!?

  redirect_to(url_for :prefix => "a") unless params[:prefix]

  @pref_labelings = Iqvoc::Concept.pref_labeling_class.
    concept_published.
    label_begins_with(params[:prefix]).
    by_label_language(I18n.locale).
    includes(:target).
    order("LOWER(#{Label::Base.table_name}.value)").
    joins(:owner).
    where(:concepts => { :type => Iqvoc::Concept.base_class_name }).
    page(params[:page])

  # 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 :-)
  ActiveRecord::Associations::Preloader.new(@pref_labelings, :owner => Iqvoc::Concept.base_class.default_includes).run
end