Module: ActionView::Helpers::AssetTagHelper

Defined in:
lib/inline_attachment.rb

Instance Method Summary collapse

Instance Method Details

#path_to_image_with_inline_attachment(source) ⇒ Object 



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# File 'lib/inline_attachment.rb', line 53

def path_to_image_with_inline_attachment(source)
  @part_container ||= @controller
  if @part_container.is_a?(ActionMailer::Base) or @part_container.is_a?(ActionMailer::Part)
    if source =~ %r{file://} 
      # Handle attached files from the local filesystem.  Should sandbox this somehow.
      file_path = source.sub(%r{file://}, '')
    else
      # Public image files
      file_path = "#{RAILS_ROOT}/public#{path_to_image_without_inline_attachment(source).split('?').first}"
    end
      
    if File.exists?(file_path)
      basename  = File.basename(file_path)
      ext       = basename.split('.').last
      cid       = Time.now.to_f.to_s + "#{basename}@inline_attachment"

      File.open(file_path, 'rb') do |file|
        @part_container.inline_attachment(:content_type => "image/#{ext}",
                                      :body         => file.read,
                                      :filename     => basename,
                                      :cid          => "<#{cid}>",
                                      :disposition  => "inline")
      end

      return "cid:#{cid}"
    end
  end
  return path_to_image_without_inline_attachment(source)
end