sample40.rb

get '/sample40' do
  haml :sample40
end

post '/sample40/check_guid' do
  begin
    result = nil
    i = 0
    for i in 1..10
      i +=1

      if File.exist?("#{File.dirname(__FILE__)}/../public/callback_info.txt")
        result = File.read("#{File.dirname(__FILE__)}/../public/callback_info.txt")
        if result != '' then break  end
      end
      sleep(5)
    end

    if result == 'Error'
      result = "File was not found. Looks like something went wrong."
    else
      result
    end

  rescue Exception => e
    err = e.message
  end
end

post '/sample40/callback' do

  source_id = ''
  client_id = ''
  private_key = ''

  data = JSON.parse(request.body.read)
  begin
    participant = nil
    raise 'Empty params!' if data.empty?

    data.each do |key, value|
      if key == 'SourceId'
        source_id = value
      end
      if key == 'SerializedData'
       data = JSON.parse(value)
       data.each do |key, value|
         if key == 'ParticipantGuid'
           participant = value
         end
       end
      end
    end

    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[0]
      private_key = contents[1]
    end

    form = GroupDocs::Signature::Form.new({:id => source_id})

    signature = GroupDocs::Signature.new()
    doc_info = signature.get_sign_form_participant!(form.id , participant, {:client_id => client_id, :private_key => private_key} )

    guid = doc_info[:documentGuid]

    out_file = File.new("#{File.dirname(__FILE__)}/../public/callback_info.txt", 'w')

    out_file.write(guid)
    out_file.close

  rescue Exception => e
    err = e.message
  end
end

post '/sample40' do

  set :client_id, params[:clientId]
  set :private_key, params[:privateKey]
  set :form_guid, params[:formGuid]
  set :callback, params[:callbackUrl]
  set :base_path, params[:basePath]

  begin

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

    if settings.base_path.empty? then settings.base_path = 'https://api.groupdocs.com' end

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

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

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

      out_file.write("#{settings.client_id} ")
      out_file.write("#{settings.private_key} ")
      out_file.close
    end

    guid = settings.form_guid

    form = GroupDocs::Signature::Form.new()
    form.name = "Test Form"

    id = form.create!({:formId => guid})

    form = GroupDocs::Signature::Form.get!(id)

    form.publish!({:callbackUrl => settings.callback})

    case settings.base_path

      when 'https://stage-api-groupdocs.dynabic.com'
        url = "http://stage-apps-groupdocs.dynabic.com/signature2/forms/signembed/ #{guid}"
      when 'https://dev-api-groupdocs.dynabic.com'
        url = "http://dev-apps-groupdocs.dynabic.com/signature2/forms/signembed/ #{guid}"
      else
        url = "https://apps.groupdocs.com/signature2/forms/signembed/ #{guid}"
    end

    if File.exist?("#{File.dirname(__FILE__)}/../public/callback_info.txt")
      File.delete("#{File.dirname(__FILE__)}/../public/callback_info.txt")
    end

    iframe = GroupDocs::Api::Request.new(:path => url).prepare_and_sign_url
    iframe = "<iframe width='100%' id='downloadframe' height='600' src='#{iframe}'></iframe>"

  rescue Exception => e
    err = e.message
  end

  haml :sample40, :locals => {:userId => settings.client_id,
                              :privateKey => settings.private_key,
                              :callback => settings.callback,
                              :iframe => iframe,
                              :err => err}
end