sample9.rb

get '/sample9' do
  haml :sample9
end

post '/sample9' do

  set :file_id, params[:fileId]
  set :width, params[:width]
  set :height, params[:height]

  begin

    raise 'Please enter all required parameters' if settings.guid.empty? or settings.width.empty? or settings.height.empty?

    file = nil
    case settings.source
      when 'guid'
        file = GroupDocs::Storage::File.new({:guid => settings.file_id})
      when 'local'

        filepath = "#{Dir.tmpdir}/#{params[:file][:filename]}"

        File.open(filepath, 'wb') { |f| f.write(params[:file][:tempfile].read) }

        file = GroupDocs::Storage::File.upload!(filepath, {}, client_id: settings.client_id, private_key: settings.private_key)
      when 'url'
        file = GroupDocs::Storage::File.upload_web!(settings.url, client_id: settings.client_id, private_key: settings.private_key)
      else
        raise 'Wrong GUID source.'
    end

    v_url = "https://apps.groupdocs.com/document-viewer/embed/#{file.guid}?frameborder='0' width='#{settings.width}' height='#{settings.height}'"

    if v_url
      v_url = v_url
    end

  rescue Exception => e
    err = e.message
  end

  haml :sample9, :locals => {:guid => settings.guid, :width => settings.width, :height => settings.height, :v_url => v_url, :err => err}
end