tabletop-companion/app/services/template_builder.rb

# frozen_string_literaL: true

class TemplateBuilder
  class << self
    def create!(name:, from:, game_system:)
      Template.create(
        name:,
        klass: from.class.name,
        game_system:,
        content: serialize_character_sheet_section(from),
      )
    end

    private

      def serialize_character_sheet_section(section)
        always_except = [ :id, :created_at, :updated_at ]
        subsection_except = [ :character_id, :parent_section_id ]
        always_include = {
          stats: { except: always_except + [ :value ] },
          text_fields: { except: always_except },
        }

        section.to_json(
          except: always_except + subsection_except,
          include: {
            character_sheet_subsections: {
              except: always_except + subsection_except,
              include: always_include.merge(
                character_sheet_subsections: {
                  except: always_except + subsection_except,
                  include: always_include,
                },
              ),
            },
          }.merge(always_include),
        )
      end
  end
end