add geo info and do refractor on workers

app/workers/wow_race_detail_worker.rb

@@ -1,25 +1,8 @@
 # frozen_string_literal: true
 
-class WowRaceDetailWorker
-  include Sidekiq::Worker
-
+class WowRaceDetailWorker < WowSidekiqWorker
   def perform(race_id)
-    locales = [
-      ['en-us', 'en_US'],
-      ['es-mx', 'es_MX'],
-      ['pt-br', 'pt_BR'],
-      ['de-de', 'de_DE'],
-      ['en-gb', 'en_GB'],
-      ['es-es', 'es_ES'],
-      ['fr-fr', 'fr_FR'],
-      ['it', 'it_IT'],
-      ['ru-ru', 'ru_RU'],
-      ['ko', 'ko_KR'],
-      ['zh-tw', 'zh_TW'],
-      ['zh-cn', 'zh_CN']
-    ]
-
-    return unless (race = WowRace.where(race_id: race_id).first)
+    return unless (race = WowRace.find_by(race_id: race_id))
 
     RBattlenet.set_options(locale: 'all')
     result = RBattlenet::Wow::PlayableRace.find(race_id)