Refactor pkg event name handling

Move testing for guest events out of the events class.

app/models/packages/event.rb

@@ -25,7 +25,7 @@ class Packages::Event < ApplicationRecord
   enum originator_type: { user: 0, deploy_token: 1, guest: 2 }
 
   def self.allowed_event_name(event_scope, event_type, originator)
-    return unless event_allowed?(event_scope, event_type, originator)
+    return unless event_allowed?(event_type)
 
     # remove `package` from the event name to avoid issues with HLLRedisCounter class parsing
     "i_package_#{event_scope}_#{originator}_#{event_type.gsub(/_packages?/, "")}"
@@ -33,8 +33,7 @@ class Packages::Event < ApplicationRecord
 
   # Remove some of the events, for now, so we don't hammer Redis too hard.
   # See: https://gitlab.com/gitlab-org/gitlab/-/issues/280770
-  def self.event_allowed?(event_scope, event_type, originator)
-    return false if originator.to_sym == :guest
+  def self.event_allowed?(event_type)
     return true if UNIQUE_EVENTS_ALLOWED.include?(event_type.to_sym)
 
     false

app/services/packages/create_event_service.rb

@@ -4,7 +4,9 @@ module Packages
   class CreateEventService < BaseService
     def execute
       if Feature.enabled?(:collect_package_events_redis) && redis_event_name
-        ::Gitlab::UsageDataCounters::HLLRedisCounter.track_event(current_user.id, redis_event_name)
+        unless guest?
+          ::Gitlab::UsageDataCounters::HLLRedisCounter.track_event(current_user.id, redis_event_name)
+        end
       end
 
       if Feature.enabled?(:collect_package_events) && Gitlab::Database.read_write?
@@ -45,5 +47,9 @@ module Packages
         :guest
       end
     end
+
+    def guest?
+      originator_type == :guest
+    end
   end
 end