mail_parser.rb

class MailParser
  delegate :within_window, :within_frame, :find, :all, :window_opened_by, :page, :click_link, :first, to: :@capybara

  def initialize(window, capybara)
    @window = window
    @capybara = capybara
    @users_count = 0
    @current_idx = 0
  end

  def call
    loop do
      within_window @window do
        wait_element('frame')
        if @current_idx != 0
          page.evaluate_script('window.history.back()')
          page.evaluate_script('window.history.back()')
          page.evaluate_script('location.reload(true)')
        end

        @exchange_exists = within_frame(0) do
          wait_element('#wrapper')

          if link = first('#tmiexchange_web_emails a')
            link.click
            true
          else
            break
          end
        end

        if @exchange_exists
          wait_element('frame')
          @user_id = nil
          puts "#{@current_idx} ========================================================================="

          within_frame(1) do
            wait_element("#global_list tr:nth-child(#{@current_idx + 2}) a")
            @users_count = all('#global_list tr:not(:first-child)').count

            first("#global_list tr:nth-child(#{@current_idx + 2}) a").click
            find('#fieldControl_cell1 a').click

            @user_id = find('#title').text.scan(/.*\(ID= (\d+)\)/)[0][0]

            @cp = window_opened_by { find('#ui_row_2 a').click }
          end
        end
      end

      if @cp
        @password = get_password

        data = [@user_id, @password]
        system("echo '#{data.inspect}' >> result.txt")
      end

      @current_idx += 1
      break unless @current_idx < @users_count
    end

    within_window(@window) { page.execute_script('window.close()') }
  end

  private

  def wait_element(element)
    while page.all(element).length.zero?
      sleep 1
    end
  end

  def get_password
    within_window @cp do
      wait_element('frame')
      within_frame(0) { click_link('Почтовый ящик Exchange') }

      wait_element('frame')
      within_frame(1) { click_link('Общие') }

      wait_element('frame')
      owa_link = within_frame(1) { find('#exchange_owa_link')['onclick'] }
      match_data = owa_link.match(/username=.*&password=(.*?)&.*$/)

      page.execute_script('window.close()')

      match_data[1]
    end
  end
end

parser.rb

require 'capybara'
require 'capybara/dsl'
require 'selenium-webdriver'
require 'active_support/core_ext/module/delegation'
require_relative './mail_parser'
require 'byebug'

Capybara.run_server = false
Capybara.default_driver = :selenium
Capybara.app_host = 'https://cp.active.by'
Capybara.javascript_driver = :selenium
Capybara.ignore_hidden_elements = false
Capybara.default_wait_time = 10


Capybara.register_driver :selenium do |app|
  profile = Selenium::WebDriver::Firefox::Profile.new
  Capybara::Selenium::Driver.new(app, profile: profile)
end

module MyCapybaraTest
  class Test
    include Capybara::DSL

    def process(params)
      sign_in(params[0], params[1])
      credits = []
      subscriptions_url = nil

      within_frame(0) { click_link('to_bm') }  # go to billing
      within_frame(1) do
       click_link('click_operational_director') # open menu item 'Operation director'
       click_link('click_support_manager') # open support manager menu item

       subscriptions_url = find('#click_subscriptions')['href']
      end

      visit(subscriptions_url) # go to subscriptions

      current_page = 1
      loop do
        idx = 2
        puts "PAGE: #{current_page} +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"

        loop do
          wait_element('#global_list tr')

          subscription = first("#global_list tr:nth-child(#{idx}) a")
          break unless subscription
          puts "#{subscription.text} ========================================================================="
          subscription.click

          wait_element('#AccountAccountID')
          find('#AccountAccountID').click

          if page.first('body', text: 'To Control Panel').nil?
            puts "No CP link for ##{subscription.text}"
            idx += 1
            page.evaluate_script('window.history.back()')
            page.evaluate_script('location.reload(true)')
            next
          end

          cp = window_opened_by do
            click_link('To Control Panel')
          end

          MailParser.new(cp, self).call

          idx += 1
          page.evaluate_script('window.history.back()')
          page.evaluate_script('window.history.back()')
          page.evaluate_script('location.reload(true)')
        end
        puts "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"

        next_page_link = first('#t1 + table a', text: 'Next>')
        break unless next_page_link

        current_page += 1
        next_page_link.click
      end
    end

    def sign_in(login, password)
      visit('/single.html')

      within_frame(0) do
        fill_in('user', :with => login)
        fill_in('password', :with => password)
        select('English (United States)', :from => 'lang')
        click_button('login')
      end
    end

    def wait_element(element)
      while page.all(element).length.zero?
        sleep 1
      end
    end
  end
end


if ARGV.length != 2
  STDERR.puts 'Usage: ruby parser.rb USERNAME PASSWORD'
  exit
end

MyCapybaraTest::Test.new.process([ARGV[0], ARGV[1]])