children_controller.rb 1.11 KB
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module Groups
  class ChildrenController < Groups::ApplicationController
    before_action :group
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    skip_cross_project_access_check :index
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    def index
      parent = if params[:parent_id].present?
                 GroupFinder.new(current_user).execute(id: params[:parent_id])
               else
                 @group
               end

      if parent.nil?
        render_404
        return
      end

      setup_children(parent)

      respond_to do |format|
        format.json do
          serializer = GroupChildSerializer
                         .new(current_user: current_user)
                         .with_pagination(request, response)
          serializer.expand_hierarchy(parent) if params[:filter].present?
          render json: serializer.represent(@children)
        end
      end
    end

    protected

    def setup_children(parent)
      @children = GroupDescendantsFinder.new(current_user: current_user,
                                             parent_group: parent,
                                             params: params).execute
      @children = @children.page(params[:page])
    end
  end
end