FEATURE: clean up 1 year old and unused staged users

app/jobs/scheduled/clean_up_unused_staged_users.rb

@@ -0,0 +1,18 @@
+module Jobs
+
+  class CleanUpUnusedStagedUsers < Jobs::Scheduled
+    every 1.day
+
+    def execute(args)
+      destroyer = UserDestroyer.new(Discourse.system_user)
+
+      User.joins(:user_stat)
+          .where(staged: true)
+          .where("users.created_at < ?", 1.year.ago)
+          .where("user_stats.post_count = 0")
+          .find_each { |user| destroyer.destroy(user) }
+    end
+
+  end
+
+end