Class: WebLoader::Drivers::SeleniumDriver

Inherits:
BaseDriver
  • Object
show all
Defined in:
lib/web_loader/drivers/selenium_driver.rb

Instance Attribute Summary collapse

Attributes inherited from BaseDriver

#binary, #user_agent

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SeleniumDriver

Returns a new instance of SeleniumDriver.



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# File 'lib/web_loader/drivers/selenium_driver.rb', line 5

def initialize
  super
  @wait_proc = nil
  @wait_seconds = 3
end

Instance Attribute Details

#wait_proc ⇒ Object

Returns the value of attribute wait_proc.



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# File 'lib/web_loader/drivers/selenium_driver.rb', line 11

def wait_proc
  @wait_proc
end

#wait_seconds ⇒ Object

Returns the value of attribute wait_seconds.



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# File 'lib/web_loader/drivers/selenium_driver.rb', line 12

def wait_seconds
  @wait_seconds
end

Instance Method Details

#fetch(url) ⇒ Object 



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# File 'lib/web_loader/drivers/selenium_driver.rb', line 14

def fetch(url)
  require 'selenium-webdriver'

  #        puts "SeleniumDriver fetching URL: #{url}"

  options = Selenium::WebDriver::Chrome::Options.new
  options.add_argument("--headless")
  options.add_argument("--disable-gpu")
  options.add_argument("--no-sandbox")
  options.add_argument("--user-agent=#{@user_agent}") if @user_agent

  begin

    driver = Selenium::WebDriver.for(:chrome, options: options)
    driver.navigate.to url

    wait = Selenium::WebDriver::Wait.new(timeout: 10)

    # ページ全体のロード完了を待つ
    if @wait_proc
      wait.until { @wait_proc.call(driver) }
    else
      sleep @wait_seconds
    end

    content_type = driver.execute_script("return document.contentType;")

    body = @binary ? driver.page_source.b : driver.page_source
    response = WebLoader::Response.new(status: 200,
                                       headers: {
                                         'Content-Type' => content_type
                                       }, body: body)
    response
  ensure
    driver.quit if driver
  end
end