Grant system badges in a background job.

app/jobs/regular/update_badges.rb

@@ -0,0 +1,25 @@
+module Jobs
+  class UpdateBadges < Jobs::Base
+
+    def execute(args)
+      self.send(args[:action], args)
+    end
+
+    def trust_level_change(args)
+      user = User.find(args[:user_id])
+      trust_level = user.trust_level
+      Badge.trust_level_badge_ids.each do |badge_id|
+        user_badge = UserBadge.find_by(user_id: user.id, badge_id: badge_id)
+        if user_badge
+          # Revoke the badge if trust level was lowered.
+          BadgeGranter.revoke(user_badge) if trust_level < badge_id
+        else
+          # Grant the badge if trust level was increased.
+          badge = Badge.find(badge_id)
+          BadgeGranter.grant(badge, user) if trust_level >= badge_id
+        end
+      end
+    end
+
+  end
+end

app/services/badge_granter.rb

@@ -48,22 +48,8 @@ class BadgeGranter
     end
   end
 
-  def self.update_badges(user, opts={})
-    if opts.has_key?(:trust_level)
-      # Update trust level badges.
-      trust_level = opts[:trust_level]
-      Badge.trust_level_badge_ids.each do |badge_id|
-        user_badge = UserBadge.find_by(user_id: user.id, badge_id: badge_id)
-        if user_badge
-          # Revoke the badge if trust level was lowered.
-          BadgeGranter.revoke(user_badge) if trust_level < badge_id
-        else
-          # Grant the badge if trust level was increased.
-          badge = Badge.find(badge_id)
-          BadgeGranter.grant(badge, user) if trust_level >= badge_id
-        end
-      end
-    end
+  def self.update_badges(args)
+    Jobs.enqueue(:update_badges, args)
   end
 
 end

lib/promotion.rb

@@ -60,7 +60,7 @@ class Promotion
       @user.user_profile.recook_bio
       @user.user_profile.save!
       Group.user_trust_level_change!(@user.id, @user.trust_level)
-      BadgeGranter.update_badges(@user, trust_level: @user.trust_level)
+      BadgeGranter.update_badges(action: :trust_level_change, user_id: @user.id)
     end
 
     true