Method: Espresso::View::InstanceMethods#online_stats

Defined in:
lib/espresso/view.rb

#online_stats(options = {}) ⇒ Object

Set online statistics trackers

Parameters:

  • options (Hash) (defaults to: {}) —

    online statistics keys

Options Hash (options):

  • :piwik (Hash) —

    Piwik code: id. site

  • :metrika (String, Numeric) —

    Yandex.Metrika code

  • :analytics, (String) 


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# File 'lib/espresso/view.rb', line 190

def online_stats(options = {})
  static_includes = []
  dynamic_includes = ''
  noscript_includes = []
  initializers = []

  if piwik = options.delete(:piwik)
    static_includes   << "//#{piwik[:site]}/piwik.js"
    initializers      << "var piwikTracker=Piwik.getTracker('//#{piwik[:site]}/piwik.php',#{piwik[:id]});piwikTracker.trackPageView();piwikTracker.enableLinkTracking();"
    noscript_includes << "//#{piwik[:site]}/piwik.php?idsite=#{piwik[:id]}"
  end

  if metrika = options.delete(:metrika)
    static_includes   << '//mc.yandex.ru/resource/watch.js'
    initializers      << "var yaCounter#{metrika}=new Ya.Metrika(#{metrika});"
    noscript_includes << "//mc.yandex.ru/watch/#{metrika}"
  end

  if analytics = options.delete(:analytics)
    dynamic_includes << 'var gaJsHost=("https:"==document.location.protocol)?"https://ssl.":"http://www.";'
    dynamic_includes << 'document.write(unescape("%3Cscript src=\'"+gaJsHost+"google-analytics.com/ga.js\' type=\'text/javascript\'%3E%3C/script%3Ei"));'
    initializers     << "var pageTracker=_gat._getTracker('#{analytics}');pageTracker._trackPageview();"
  end

  ''.tap do |result|
    unless dynamic_includes.empty?
      result << javascript_tag(dynamic_includes)
    end
    result << javascript_include_tag(static_includes) unless static_includes.empty?
    unless initializers.empty?
      initializers = initializers.collect do |initializer|
                                                                                                                                      "try {#{initializer}} catch(e) {}"
      end.join("\n")
      result << javascript_tag(initializers)
    end

    unless noscript_includes.empty?
      includes = noscript_includes.collect do |noscript|
                                                                                                                                                %(<img src="#{noscript}" style="border:0" alt="" />)
      end.join("\n")
      result << content_tag(:noscript,
                            content_tag(:div,
                                        includes,
                                        :style => 'position: absolute'))
    end
  end
end