Contents

module Tenon
  class ProxyAttachment
    attr_reader :attachment, :asset, :style_prefix

    def initialize(attachment, klass, asset_name)
      @attachment = attachment.try(:attachment) || attachment
      @asset = attachment if attachment.is_a?(Tenon::Asset)
      @style_prefix = "#{klass.to_s.underscore.gsub('/', '_')}_#{asset_name}"
    end

    def original_filename
      @attachment.original_filename
    end

    def display_name
      Tenon::AssetDecorator.new(@attachment.instance).display_name
    end

    # Prefix with an underscore to use base Asset styles
    def url(style = :original, *args)
      if style.to_sym == :original
        original_url(*args)
      else
        named_url(style, *args)
      end
    end

    private

    def original_url(*args)
      scoped_original = "#{@style_prefix}_original".to_sym
      styles = @attachment.styles.keys
      if styles.include?(scoped_original)
        @attachment.url(scoped_original, *args)
      else
        @attachment.url(:original, *args)
      end
    end

    def named_url(style, *args)
      if style.to_s.match(/^\_.*/)
        @attachment.url(style.to_s.gsub(/^\_(.*)/, '\1'), *args)
      else
        @attachment.url("#{@style_prefix}_#{style}", *args)
      end
    end
  end
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
tenon-2.1.0	lib/tenon/proxy_attachment.rb
tenon-2.0.8	lib/tenon/proxy_attachment.rb
tenon-2.0.7	lib/tenon/proxy_attachment.rb
tenon-2.0.6	lib/tenon/proxy_attachment.rb
tenon-2.0.5	lib/tenon/proxy_attachment.rb
tenon-2.0.4	lib/tenon/proxy_attachment.rb
tenon-2.0.3	lib/tenon/proxy_attachment.rb
tenon-2.0.2	lib/tenon/proxy_attachment.rb
tenon-2.0.1	lib/tenon/proxy_attachment.rb
tenon-2.0.0	lib/tenon/proxy_attachment.rb