add geo info and do refractor on workers

app/workers/wow_classes_worker.rb

@@ -1,24 +1,7 @@
 # frozen_string_literal: true
 
-class WowClassesWorker
-  include Sidekiq::Worker
-
+class WowClassesWorker < WowSidekiqWorker
   def perform
-    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']
-    ]
-
     RBattlenet.authenticate(client_id: ENV['BLIZZARD_API_CLIENT_ID'], client_secret: ENV['BLIZZARD_API_CLIENT_SECRET'])
     RBattlenet.set_options(locale: 'all')
     result = RBattlenet::Wow::PlayableClass.all
@@ -26,9 +9,8 @@ class WowClassesWorker
     return unless result.status_code == 200
 
     result.classes.each do |playable_class|
-      wow_class = WowClass.where(class_id: playable_class.id).first_or_initialize
+      wow_class = WowClass.find_or_initialize_by(class_id: playable_class.id)
 
-      wow_class.class_id = playable_class.id
       wow_class.href = playable_class.key.href
 
       # Localisation data