search_controller.rb

# The controller for actions related to searchable models
class SearchController < ApplicationController
  PAGE_SIZE = 30

  before_action :set_breadcrumbs

  # GET /searches
  # GET /searches.json
  def index
    @results = {}

    if TeSS::Config.solr_enabled
      search_models.each do |model_name|
        model = model_name.constantize
        @results[model_name.underscore.pluralize.to_sym] = Sunspot.search(model) do
          if Facets.applicable?(:across_all_spaces, model)
            Facets.across_all_spaces(self, false, current_user)
          end

          fulltext search_params

          with('end').greater_than(Time.zone.now) if model_name == 'Event'

          # Hide failing records
          if model.method_defined?(:link_monitor)
            unless current_user && current_user.is_admin?
              without(:failing, true)
            end
          end

          if model_name == 'User' || model.attribute_method?(:user_requires_approval?)
            # TODO: Fix this duplication!
            # Hide shadowbanned users and their content from other shadowbanned users and administrators
            unless current_user && (current_user.shadowbanned? || current_user.is_admin?)
              without(:shadowbanned, true)
            end

            # Hide unverified users and their content from other shadowbanned users and administrators
            unless current_user && (current_user.is_curator? || current_user.is_admin?)
              without(:unverified, true)
            end
          end

          paginate page: 1, per_page: PAGE_SIZE
        end
      end
    end

    @results.reject! { |_, result| result.total < 1 }
  end

  private

  def search_params
    params[:q]
  end

  def search_models
    return @_models if @_models
    @_models = ['User']
    @_models << 'Event' if feature_enabled?('events')
    @_models << 'Material' if feature_enabled?('materials')
    @_models << 'Collection' if feature_enabled?('collections')
    @_models << 'ContentProvider' if feature_enabled?('content_providers')
    @_models << 'Trainer' if feature_enabled?('trainers')
    @_models
  end
end