ActiveStorage::Previewer::PopplerPDFPreviewer < ActiveStorage::Previewer

# File activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb, line 6
      def accept?(blob)
        pdf?(blob.content_type) && pdftoppm_exists?
      end

# File activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb, line 10
      def pdf?(content_type)
        Marcel::Magic.child? content_type, "application/pdf"
      end

# File activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb, line 18
      def pdftoppm_exists?
        return @pdftoppm_exists unless @pdftoppm_exists.nil?

        @pdftoppm_exists = system(pdftoppm_path, "-v", out: File::NULL, err: File::NULL)
      end

# File activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb, line 14
      def pdftoppm_path
        ActiveStorage.paths[:pdftoppm] || "pdftoppm"
      end

# File activestorage/lib/active_storage/previewer/poppler_pdf_previewer.rb, line 25
    def preview(**options)
      download_blob_to_tempfile do |input|
        draw_first_page_from input do |output|
          yield io: output, filename: "#{blob.filename.base}.png", content_type: "image/png", **options
        end
      end
    end