code: def process_search resource
          result = resource
          fields = search_fields resource
  
          if controller.params[:q] and !fields.blank?
            conditions = fields.map do |field|
              if field.is_a? Symbol or field.is_a? String
                "#{resource.table_name}.#{field} like ?"
  
              elsif field.is_a? Hash
                resource, sconds = process_search_hash(resource, field)
                sconds
              end
            end.flatten.compact
  
            params = ["%#{controller.params[:q]}%"] * conditions.count
            result = resource.where(conditions.join(" OR "), *params)
          end
  
          result
        end
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