#422

backend/db/migrate/20261005000000_repair_wiki_updated_at.rb

@@ -0,0 +1,53 @@
+class RepairWikiUpdatedAt < ActiveRecord::Migration[8.0]
+  class WikiPage < ActiveRecord::Base
+    self.table_name = 'wiki_pages'
+  end
+
+  class WikiVersion < ActiveRecord::Base
+    self.table_name = 'wiki_versions'
+  end
+
+  class TagDescription < ActiveRecord::Base
+    self.table_name = 'tag_descriptions'
+  end
+
+  class TagDescriptionVersion < ActiveRecord::Base
+    self.table_name = 'tag_description_versions'
+  end
+
+  def up
+    say_with_time 'Repairing wiki_pages.updated_at from wiki_versions' do
+      WikiPage.find_each do |page|
+        version =
+            WikiVersion
+            .where(wiki_page_id: page.id)
+            .order(version_no: :desc)
+            .first
+
+        next unless version
+
+        page.update_columns(updated_at: version.created_at)
+      end
+    end
+
+    say_with_time 'Repairing tag_descriptions.updated_at from tag_description_versions' do
+      TagDescription.find_each do |description|
+        version =
+            TagDescriptionVersion
+            .where(
+                tag_id: description.tag_id,
+                language_code: description.language_code)
+            .order(version_no: :desc)
+            .first
+
+        next unless version
+
+        description.update_columns(updated_at: version.created_at)
+      end
+    end
+  end
+
+  def down
+    ;
+  end
+end