add geo info and do refractor on workers

app/workers/wow_pets_collection_worker.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
-class WowPetsCollectionWorker
-  include Sidekiq::Worker
-
+class WowPetsCollectionWorker < WowSidekiqWorker
   def perform(user_id)
     return unless (user = User.find(user_id))
 
@@ -12,7 +10,7 @@ class WowPetsCollectionWorker
     return unless result.status_code == 200
 
     result.pets.each do |pet|
-      next unless (local_pet = WowPet.where(pet_id: pet.species.id).first)
+      next unless (local_pet = WowPet.find_by(pet_id: pet.species.id))
 
       UserObtainWowPet.where(user: user.id, wow_pet: local_pet.id).first_or_create
     end