Merge pull request #1039 from indentlabs/2021-10-05

Page tag cleanup

app/models/concerns/has_page_tags.rb

@@ -4,6 +4,6 @@ module HasPageTags
   extend ActiveSupport::Concern
 
   included do
-    has_many :page_tags, as: :page
+    has_many :page_tags, as: :page, dependent: :destroy
   end
 end

lib/tasks/one_off.rake

@@ -1,4 +1,15 @@
 namespace :one_off do
+  desc "Clean up orphaned page tags"
+  task clean_orphaned_page_tags: :environment do
+    PageTag.find_each do |page_tag|
+      referenced_page = page_tag.page
+
+      if referenced_page.nil?
+        page_tag.destroy
+      end
+    end
+  end
+
   desc "Alert users who've saved at least one tree"
   task trees_notification: :environment do
     reference_code = 'green-trees'