• sample18.rb

  • ¶

    GET request

    get '/sample-18-how-to-convert-doc-to-docx-docx-to-doc-docx-to-pdf-ppt-to-pdf' do
      haml :sample18
    end
  • ¶

    POST request

    post '/sample18/convert_callback' do
  • ¶

    Set download path

      downloads_path = "#{File.dirname(__FILE__)}/../public/downloads"
  • ¶

    Get callback request

      data = JSON.parse(request.body.read)
      begin
        raise 'Empty params!' if data.empty?
        source_id = nil
        client_id = nil
        private_key = nil
  • ¶

    Get value of SourceId

        data.each do |key, value|
          if key == 'SourceId'
            source_id = value
          end
        end
  • ¶

    Get private key and client_id from file user_info.txt

        if File.exist?("#{File.dirname(__FILE__)}/../public/user_info.txt")
          contents = File.read("#{File.dirname(__FILE__)}/../public/user_info.txt")
          contents = contents.split(' ')
          client_id = contents.first
          private_key = contents.last
        end
  • ¶

    Create Job instance

        job = GroupDocs::Job.new({:id => source_id})
  • ¶

    Get document by job id

        documents = job.documents!({:client_id => client_id, :private_key => private_key})
  • ¶

    Download converted file

        documents[:inputs].first.outputs.first.download!(downloads_path, {:client_id => client_id, :private_key => private_key})
    
      rescue Exception => e
        err = e.message
      end
    end
  • ¶

    GET request

    get '/sample18/check' do
  • ¶

    Check is there download directory

      unless File.directory?("#{File.dirname(__FILE__)}/../public/downloads")
        return 'Directory was not found.'
      end
  • ¶

    Get file name from download directory

      name = nil
      Dir.entries("#{File.dirname(__FILE__)}/../public/downloads").each do |file|
        name = file if file != '.' && file != '..'
      end
    
      name
    end
  • ¶

    GET request

    get '/sample18/downloads/:filename' do |filename|
  • ¶

    Send file with header to download it

      send_file "#{File.dirname(__FILE__)}/../public/downloads/#{filename}", :filename => filename, :type => 'Application/octet-stream'
    end
  • ¶

    POST request

    post '/sample-18-how-to-convert-doc-to-docx-docx-to-doc-docx-to-pdf-ppt-to-pdf' do
  • ¶

    Set variables

      set :client_id, params[:clientId]
      set :private_key, params[:privateKey]
      set :source, params[:source]
      set :file_id, params[:fileId]
      set :url, params[:url]
      set :convert_type, params[:convertType]
      set :callback, params[:callback]
      set :base_path, params[:basePath]
  • ¶

    Set download path

      downloads_path = "#{File.dirname(__FILE__)}/../public/downloads"
  • ¶

    Remove all files from download directory or create folder if it not there

      if File.directory?(downloads_path)
        Dir.foreach(downloads_path) { |f| fn = File.join(downloads_path, f); File.delete(fn) if f != '.' && f != '..' }
      else
        Dir::mkdir(downloads_path)
      end
    
      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
  • ¶

    Write client and private key to the file for callback job

        if settings.callback[0]
          out_file = File.new("#{File.dirname(__FILE__)}/../public/user_info.txt", 'w')
  • ¶

    White space is required

          out_file.write("#{settings.client_id} ")
          out_file.write("#{settings.private_key}")
          out_file.close
        end
    
        file = nil
  • ¶

    Get document by file GUID

        case settings.source
          when 'guid'
  • ¶

    Create instance of File

            file = GroupDocs::Storage::File.new({:guid => settings.file_id})
          when 'local'
  • ¶

    Construct path

            file_path = "#{Dir.tmpdir}/#{params[:file][:filename]}"
  • ¶

    Open file

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

    Make a request to API using client_id and private_key

            file = GroupDocs::Storage::File.upload!(file_path, {})
          when 'url'
  • ¶

    Upload file from defined url

            file = GroupDocs::Storage::File.upload_web!(settings.url)
          else
            raise 'Wrong GUID source.'
        end
  • ¶

    Raise exception if something went wrong

        raise 'No such file' unless file.is_a?(GroupDocs::Storage::File)
  • ¶

    Make document from file

        document = file.to_document
  • ¶

    Convert document

        convert = document.convert!(settings.convert_type, {:callback => settings.callback})
  • ¶

    Waite 15 seconds for while file converting

        for i in 1..5
          i+=1
          sleep(2)
          if GroupDocs::Job.get!(convert.id).status.to_s == 'archived' then break end
        end
  • ¶

    Get array of changes in document from job

        original_document = convert.documents!()
  • ¶

    Get converted document GUID

        guid = original_document[:inputs].first.outputs.first.guid
  • ¶

    Prepare to sign url

        iframe = "/document-viewer/embed/#{guid}"
  • ¶

    Construct result string

        url = GroupDocs::Api::Request.new(:path => iframe).prepare_and_sign_url
  • ¶

    Generate iframe URL

        case base_path
          when 'https://stage-api-groupdocs.dynabic.com'
            iframe = "https://stage-api-groupdocs.dynabic.com#{url}"
          when 'https://dev-api-groupdocs.dynabic.com'
            iframe = "https://dev-apps.groupdocs.com#{url}"
          else
            iframe = "https://apps.groupdocs.com#{url}"
        end
  • ¶

    Make iframe

        iframe = "<iframe id='downloadframe' src='#{iframe}' width='800' height='1000'></iframe>"
    
      rescue Exception => e
        err = e.message
      end
  • ¶

    Set variables for template

      haml :sample18, :locals => {:userId => settings.client_id, :privateKey => settings.private_key, :callback => settings.callback, :fileId => file, :converted => guid, :iframe => iframe, :err => err}
    end