Contents

module Spina
  class ContentPresenter
    attr_reader :view_context, :container

    def initialize(view_context, container)
      @view_context = view_context || Spina::Current.page&.view_context
      @container = container
    end

    def text(name)
      part = find_part(name)
      part&.content.to_s
    end

    def html(name)
      html = find_part(name)&.content
      ActiveSupport::SafeBuffer.new(html.to_s)
    end

    def image_tag(image, variant_options = {}, options = {})
      image = find_part(image) unless image.is_a? Spina::Parts::Image
      image_tag_options = {alt: image&.alt}
      view_context.image_tag main_app_image_url(image, variant_options), options.merge(image_tag_options) if image.present?
    end

    def image_url(image, variant_options = {})
      image = find_part(image) unless image.is_a? Spina::Parts::Image
      main_app_image_url(image, variant_options) if image.present?
    end

    def attachment_url(attachment)
      attachment = find_part(attachment) unless attachment.is_a? Spina::Parts::Attachment
      rails_service_blob_url(attachment)
    end

    private

      def main_app_image_url(image, variant_options = {})
        # SVG's can't have variants, 
        # Render rails_service_blob_url directly instead
        return rails_service_blob_url(image) if image.svg?
          
        # Other images (like PNG & JPG) can have variants
        variant_key = ActiveStorage::Variation.encode(variant_options)
        view_context.main_app.rails_blob_representation_url(image.signed_blob_id, variant_key, image.filename.presence || "image")
      end

      def rails_service_blob_url(file)
        return if file.blank?
        view_context.main_app.rails_service_blob_url(file.signed_blob_id, filename: file.filename.presence || "file")
      end

      def find_part(name)
        container.find_part(name)
      end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
spina-2.0.0.alpha	app/presenters/spina/content_presenter.rb