app/controllers/concepts/hierarchical_controller.rb
# encoding: UTF-8
# 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.
class Concepts::HierarchicalController < ConceptsController
def index
base_class = Iqvoc::Concept.base_class
if params[:published] == '0'
authorize! :update, base_class
else
authorize! :read, base_class
end
scope = base_class.includes(base_class.default_includes + [:pref_labels]).order('labels.value')
scope = params[:published] == '0' ? scope.published_with_newer_versions : scope.published
# only select unexpired concepts
scope = scope.not_expired
# unrelated concepts for sidebar
# TODO: order parentless concepts
@loose_concepts = scope.parentless.includes(:pref_labels).page(params[:page])
# 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
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
}
end
render json: concepts
end
end
end
end