• sample07.rb

  • ¶

    GET request

    get '/sample-7-how-to-create-a-list-of-thumbnails-for-a-document' do
      haml :sample07
    end
  • ¶

    POST request

    post '/sample-7-how-to-create-a-list-of-thumbnails-for-a-document' do
  • ¶

    Set variables

      set :client_id, params[:clientId]
      set :private_key, params[:privateKey]
      set :base_path, params[:basePath]
    
      begin
  • ¶

    Check required variables

        raise 'Please enter all required parameters' if settings.client_id.empty? or settings.private_key.empty?
  • ¶

    Prepare base path

        if settings.base_path.empty?
          base_path = 'https://api.groupdocs.com'
        elsif settings.base_path.match('/v2.0')
          base_path = settings.base_path.split('/v2.0')[0]
        else
          base_path = settings.base_path
        end
  • ¶

    Configure your access to API server

        GroupDocs.configure do |groupdocs|
          groupdocs.client_id = settings.client_id
          groupdocs.private_key = settings.private_key
  • ¶

    Optionally specify API server and version

          groupdocs.api_server = base_path # default is 'https://api.groupdocs.com'
        end
  • ¶

    Make a request to API using client_id and private_key

        files_list = GroupDocs::Storage::Folder.list!('/', {:extended => true}, {:client_id => settings.client_id, :private_key => settings.private_key})
  • ¶

    Construct result string

        thumbnails = ''
        files_list.each do |element|
          if element.class.name.split('::').last == 'Folder'
            next
          end
          if element.thumbnail
            name = element.name
            thumbnails += "<img src='data:image/png;base64,#{element.thumbnail}', width='40px', height='40px'> #{name}"
          end
        end
    
        unless thumbnails.empty?
          set :thumbnails, thumbnails
        end
    
      rescue Exception => e
        err = e.message
      end
  • ¶

    Set variables for template

      haml :sample07, :locals => {:clientId => settings.client_id, :privateKey => settings.private_key, :thumbnailList => thumbnails, :err => err}
    end