gistfile1.rb

# nested
if team_params[:role_id].present? || team_params[:weight_class_id].present?
  nested path: 'role_requirements' do
    query do
      boolean do
        must { term :weight_class_id, team_params[:weight_class_id]} if team_params[:weight_class_id].present?
        must { term :role_id, team_params[:role_id] } if team_params[:role_id].present?
        must { term :need, true } if team_params[:role_id].present? || team_params[:weight_class_id].present?
      end
    end
  end
end


# Filtered
filtered do
  boolean do
     must { term :weight_class_id, team_params[:weight_class_id]} if team_params[:weight_class_id].present?
      must { term :role_id, team_params[:role_id] } if team_params[:role_id].present?
      must { term :need, true } if team_params[:role_id].present? || team_params[:weight_class_id].present?
  end
end



# Filters:
if team_params[:weight_class_id].present? ^ team_params[:role_id].present?
  filter :and, { term: {"role_requirements.weight_class_id" => team_params[:weight_class_id]}, term: {"role_requirements.need" => true} } if team_params[:weight_class_id].present?
  filter :and, { term: {"role_requirements.role_id" => team_params[:role_id]}, term: {"role_requirements.need" => true} } if team_params[:role_id].present?
elsif team_params[:weight_class_id].present? && team_params[:role_id].present?
  filter :and, { term: {"role_requirements.role_id" => team_params[:role_id]}, term: {"role_requirements.need" => true}, term: {"role_requirements.weight_class_id" => team_params[:weight_class_id]}}
end