btrc-hub/backend/db/migrate/20261005000000_repair_wiki_updated_at.rb

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