• sample31.rb

  • ¶

    GET request

    get '/sample-31-how-to-dynamically-create-signature-form-using-data-from-html-form' do
      haml :sample31
    end
  • ¶

    POST request

    post '/sample31/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 '/sample31/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 '/sample31/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-31-how-to-dynamically-create-signature-form-using-data-from-html-form' do
  • ¶

    Set variables

      set :client_id, params[:clientId]
      set :private_key, params[:privateKey]
      set :template_guid, params[:templateGuid]
      set :name, params[:name]
      set :country, params[:country]
      set :city, params[:city]
      set :street, params[:street]
      set :email, params[:email]
      set :callback, params[:callback]
      set :last_name, params[:lastName]
      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
  • ¶

    Create instance of File

        file = GroupDocs::Storage::File.new({:guid => settings.template_guid})
  • ¶

    Raise exception if something went wrong

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

    Make GroupDocs::Storage::Document instance

        document = file.to_document
  • ¶

    Create datasource with fields

        datasource = GroupDocs::DataSource.new
  • ¶

    Get arry of document’s fields

        enteredData = {"email" => settings.email, "name" => settings.name, "country"=> settings.country, "city" => settings.city, "street" => settings.street}
  • ¶

    Create Field instance and fill the fields

        datasource.fields = enteredData.map { |key, value| GroupDocs::DataSource::Field.new(name: key, type: :text, values: Array.new() << value) }
  • ¶

    Adds datasource.

        datasource.add!()
  • ¶

    Creates new job to merge datasource into document.

        job = document.datasource!(datasource, {:new_type => "pdf"})
        sleep 10 # wait for merge and convert
  • ¶

    Returns an hash of input and output documents associated to job.

        jobInfo = job.documents!()
  • ¶

    Creates new document to envelope

        document = jobInfo[:inputs][0].outputs[0].to_document
  • ¶

    Creates envelope using user id and entered by user name

        envelope = GroupDocs::Signature::Envelope.new
        envelope.name = jobInfo[:inputs][0].outputs[0].name
        envelope.create!({})
  • ¶

    Adds uploaded document to envelope

        envelope.add_document!(document, {parseFields: true})
  • ¶

    Get role list for current user

        roles = GroupDocs::Signature::Role.get!({})
  • ¶

    Creates new recipient

        recipient = GroupDocs::Signature::Recipient.new
        recipient.email = settings.email
        recipient.first_name = settings.name
        recipient.last_name = "lastName"
        recipient.role_id = roles.detect { |role| role.name == 'Signer' }.id
  • ¶

    Adds recipient to envelope

        envelope.add_recipient!(recipient)
  • ¶

    Get recipients

        recipientGet = envelope.recipients!({}).first
  • ¶

    Send envelope

        envelope.send!({:callbackUrl => settings.callback})
  • ¶

    Prepare to sign url

        iframe = "/signature2/signembed/#{envelope.id}/#{recipientGet.id}"
  • ¶

    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 :sample31, :locals => {:userId => settings.client_id,
                                  :privateKey => settings.private_key,
                                  :callback => settings.callback,
                                  :email => settings.email,
                                  :name => settings.name,
                                  :country => settings.country,
                                  :city => settings.city,
                                  :street => settings.street,
                                  :iframe => iframe,
                                  :templateGuid => settings.template_guid,
                                  :err => err}
    end