Class: Concepts::HierarchicalController
- Inherits:
-
ConceptsController
- Object
- ConceptsController
- Concepts::HierarchicalController
- Defined in:
- app/controllers/concepts/hierarchical_controller.rb
Overview
Copyright 2011-2013 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/hierarchical_controller.rb', line 18 def index if params[:published] == '0' :update, Iqvoc::Concept.base_class else :read, Iqvoc::Concept.base_class end scope = Iqvoc::Concept.base_class scope = params[:published] == '0' ? scope.published_with_newer_versions : scope.published # unrelated concepts for sidebar # TODO: order parentless concepts @loose_concepts = scope.parentless.includes(:pref_labels).page(params[:page]) # only select unexpired concepts scope = scope.not_expired # if params[:broader] is given, the action is handling the reversed tree root_id = params[:root] if root_id && root_id =~ /\d+/ # NB: order matters; see the following `where` if params[:broader] scope = scope.includes(:narrower_relations, :broader_relations).references(:relations) else scope = scope.includes(:broader_relations, :narrower_relations).references(:relations) end @concepts = scope.where(Concept::Relation::Base.arel_table[:target_id].eq(root_id)) else if params[:broader] @concepts = scope.broader_tops.includes(:broader_relations).references(:concepts) else @concepts = scope.tops.includes(:narrower_relations).references(:concepts) end end # 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.preload(@concepts, Iqvoc::Concept.base_class.default_includes + [:pref_labels]) @concepts.to_a.sort_by! {|c| c.pref_label } respond_to do |format| format.html format.json do # Treeview data concepts = @concepts.select { |c| can? :read, c }.map do |c| url = (c.published?) ? concept_path(id: c, format: :html) : concept_path(id: c, format: :html, published: 0) load_on_demand = if params[:published] == '0' params[:broader] ? c.broader_relations.any? : c.narrower_relations.any? else params[:broader] ? c.broader_relations.published.any? : c.narrower_relations.published.any? end { id: c.id, label: CGI.escapeHTML(c.pref_label.to_s), additionalText: (" (#{c.additional_info})" if c.additional_info.present?), load_on_demand: load_on_demand, url: url, update_url: move_concept_url(c), glance_url: glance_concept_url(c, format: :html), published: (c.published?) ? true : false, locked: (can?(:branch, c) || can?(:update, c) ? false : true) } end render json: concepts end end end |