Noosfero/noosfero

require_relative "../nested_helper/environment"

module Filter
  def self.included(base)
    base.extend ClassMethods
    base.send :include, InstanceMethods
  end

  module ClassMethods
    def filter(options = {})
      result_filter = {}
      result_filter[:indices] = { index: self.index_name, no_match_filter: "none" }
      result_filter[:indices][:filter] = { bool: self.filter_bool(options) }

      result_filter
    end

    def filter_bool(options = {})
      environment = options[:environment].presence
      user = options[:user].presence

      result_filter = {}

      result_filter[:must] = [NestedEnvironment::filter(environment)]

      return result_filter if user && user.person.is_admin?

      self.nested_filter.each { |filter| result_filter[:must].append(filter) } if self.respond_to? :nested_filter
      self.must.each          { |filter| result_filter[:must].append(filter) } if self.respond_to? :must

      result_filter[:should]    = self.should    if self.respond_to? :should
      result_filter[:must_not]  = self.must_not  if self.respond_to? :must_not

      result_filter
    end

    def filter_category(selected_categories)
      {
        query: {
          terms: { category_ids: selected_categories }
        }
      }
    end
  end

  module InstanceMethods
  end
end