RoR Google Analytics Sample

ganalytics.yml

#config/ganalytics.yml

development:
  GA_APP_NAME: sample
  GA_KEY_FILE_NAME: ganalytics-key-file.p12
  GA_SERVICE_ACCOUNT_EMAIL: sample@developer.gserviceaccount.com
production:
  GA_APP_NAME: sample
  GA_KEY_FILE_NAME: ganalytics-key-file.p12
  GA_SERVICE_ACCOUNT_EMAIL: sample@developer.gserviceaccount.com

Gemfile

gem 'google-api-client'

google_analytics.rake

#lib/tasks/google_analytics.rake

require 'json'

namespace :google_analytics do
  desc "Get Google Analaytics data and store it in tmp/cache/analytics_data.json"
  task get_analytics_data: :environment do
    ga = ::GoogleAnalytics.new()
    today = Date.today
    @visitors_pageviews = ga.date_dimension((today-30).strftime("%Y-%m-%d"), today.strftime("%Y-%m-%d"))
    @sources = ga.source_dimension((today-30).strftime("%Y-%m-%d"), today.strftime("%Y-%m-%d"))
    @keywords = ga.keyword_dimension((today-30).strftime("%Y-%m-%d"), today.strftime("%Y-%m-%d"))
    @locations = ga.location_dimension((today-30).strftime("%Y-%m-%d"), today.strftime("%Y-%m-%d"))

    h = {:visitors_pageviews => @visitors_pageviews, :sources => @sources, :keywords => @keywords, :locations => @locations}

    tmp_path = File.join("tmp/cache", "analytics_data.json")
    File.open(tmp_path,"w") do |f|
      f.write(h.to_json)
    end

    puts "Google Analytics verileri güncellendi. - " + Time.now.strftime("%d.%m.%Y %H:%M:%S")
  end

end

google_analytics.rb

#app/services/google_analytics.rb

require 'google/api_client'
require 'date'
class GoogleAnalytics
  def initialize
    @client  = Google::APIClient.new(:application_name => ANALYTICS_API['GA_APP_NAME'], :application_version => '1.0')
    key_file = File.join('config', ANALYTICS_API['GA_KEY_FILE_NAME'])
    key      = Google::APIClient::PKCS12.load_key(key_file, 'notasecret')
    service_account = Google::APIClient::JWTAsserter.new(
      ANALYTICS_API['GA_SERVICE_ACCOUNT_EMAIL'],
    'https://www.googleapis.com/auth/analytics.readonly', key)
    @client.authorization = service_account.authorize
    @analytics = @client.discovered_api('analytics', 'v3')
  end

  def date_dimension(startDate, endDate)
    results = @client.execute(:api_method => @analytics.data.ga.get, :parameters => {
                                'ids'         => "ga:" + Settings.google_analytics_track_code,
                                'start-date'  => startDate,
                                'end-date'    => endDate,
                                'metrics'     => "ga:users,ga:pageviews,ga:sessions,ga:sessionDuration,ga:bounceRate",
                                'dimensions'  => "ga:year,ga:month,ga:day",
                                'sort'        => "ga:year,ga:month,ga:day"
    })
    if results.error?
      puts results.error_message
      return {}
    else
      hash = Hash.new()
      hash["users"] =  Hash.new()
      hash["pageviews"] =  Hash.new()
      hash["sessions"] =  Hash.new()
      hash["sessionDuration"] =  Hash.new()
      hash["bounceRate"] =  Hash.new()
      results.data.rows.each do |r|
        hash["users"]["#{r[0]}-#{r[1]}-#{r[2]}"] = r[3].to_i
        hash["pageviews"]["#{r[0]}-#{r[1]}-#{r[2]}"] = r[4].to_i
        hash["sessions"]["#{r[0]}-#{r[1]}-#{r[2]}"] = r[5].to_i
        hash["sessionDuration"]["#{r[0]}-#{r[1]}-#{r[2]}"] = r[6].to_i/24
        hash["bounceRate"]["#{r[0]}-#{r[1]}-#{r[2]}"] = r[7]
      end
      return hash
    end
  end

  def source_dimension(startDate, endDate)
    results = @client.execute(:api_method => @analytics.data.ga.get, :parameters => {
                                'ids'         => "ga:" + Settings.google_analytics_track_code,
                                'start-date'  => startDate,
                                'end-date'    => endDate,
                                'metrics'     => "ga:users",
                                'dimensions'  => "ga:source",
                                'sort'        => "-ga:users"
    })
    if results.error?
      puts results.error_message
      return {}
    else
      hash = Hash.new()
      hash["sources"] =  Hash.new()
      results.data.rows.each do |r|
        hash["sources"]["#{r[0]}"] = r[1].to_i
      end
      return hash
    end
  end

  def keyword_dimension(startDate, endDate)
    results = @client.execute(:api_method => @analytics.data.ga.get, :parameters => {
                                'ids'         => "ga:" + Settings.google_analytics_track_code,
                                'start-date'  => startDate,
                                'end-date'    => endDate,
                                'metrics'     => "ga:sessions",
                                'dimensions'  => "ga:keyword",
                                'sort'        => "-ga:sessions"
    })
    if results.error?
      puts results.error_message
      return {}
    else
      hash = Hash.new()
      hash["keywords"] =  Hash.new()
      results.data.rows.each do |r|
        hash["keywords"]["#{r[0]}"] = r[1].to_i
      end
      return hash
    end
  end

  def location_dimension(startDate, endDate)
    results = @client.execute(:api_method => @analytics.data.ga.get, :parameters => {
                                'ids'         => "ga:" + Settings.google_analytics_track_code,
                                'start-date'  => startDate,
                                'end-date'    => endDate,
                                'metrics'     => "ga:sessions",
                                'dimensions'  => "ga:city,ga:country",
                                'sort'        => "-ga:sessions"
    })
    if results.error?
      puts results.error_message
      return {}
    else
      hash = Hash.new()
      hash["locations"] =  Hash.new()
      results.data.rows.each do |r|
        hash["locations"]["#{r[0]} - #{r[1]}"] = r[2].to_i
      end
      return hash
    end
  end
end