Site Setting to customize how frequently inactive users are purged

app/jobs/scheduled/purge_inactive.rb

@@ -0,0 +1,10 @@
+module Jobs
+  class PurgeInactive < Jobs::Scheduled
+    every 1.day
+
+    def execute(args)
+      User.purge_inactive
+    end
+  end
+end
+

app/jobs/scheduled/weekly.rb

@@ -11,7 +11,6 @@ module Jobs
       Post.calculate_avg_time
       Topic.calculate_avg_time
       ScoreCalculator.new.calculate
-      User.purge_inactive
     end
   end
 end

app/models/user.rb

@@ -720,7 +720,7 @@ class User < ActiveRecord::Base
     # and some sites still have those records which can't be purged.
     to_destroy = User.where(active: false)
                      .joins('INNER JOIN user_stats AS us ON us.user_id = users.id')
-                     .where("created_at < ?", 1.week.ago)
+                     .where("created_at < ?", SiteSetting.purge_inactive_users_grace_period_days.days.ago)
                      .where('us.post_count = 0')
 
     destroyer = UserDestroyer.new(Discourse.system_user)

config/locales/server.en.yml

@@ -818,6 +818,7 @@ en:
     clean_up_uploads: "Remove orphan unreferenced uploads to prevent illegal hosting. WARNING: you may want to back up of your /uploads directory before enabling this setting."
     clean_orphan_uploads_grace_period_hours: "Grace period (in hours) before an orphan upload is removed."
     purge_deleted_uploads_grace_period_days: "Grace period (in days) before a deleted upload is erased."
+    purge_inactive_users_grace_period_days: "Grace period (in days) before an inactive user is deleted."
     enable_s3_uploads: "Place uploads on Amazon S3 storage."
     s3_upload_bucket: "The Amazon S3 bucket name that files will be uploaded into. WARNING: must be lowercase, no periods."
     s3_access_key_id: "The Amazon S3 access key id that will be used to upload images."

config/site_settings.yml

@@ -704,6 +704,7 @@ uncategorized:
     default: true
 
   disable_edit_notifications: false
+  purge_inactive_users_grace_period_days: 7
 
   company_full_name: 'My Unconfigured Forum Ltd.'
   company_short_name: 'Unconfigured Forum'
@@ -723,3 +724,4 @@ uncategorized:
   privacy_topic_id:
     default: -1
     hidden: true
+