Fix missing images on Trix when upgrading from Rails 6.1 to 7.0

refresh_trix.rb

# Fix missing images on Trix when upgrading from Rails 6.1 to 7.0
# Source: https://discuss.rubyonrails.org/t/rails-6-1-7-gives-404-for-actiontext-attachments/80803


def refresh_trix(trix)
  return unless trix.embeds.size.positive?

  trix.body.fragment.find_all("action-text-attachment").each do |node|
    embed = trix.embeds.find { |attachment| attachment.filename.to_s == node["filename"] && attachment.byte_size.to_s == node["filesize"] }

    next unless embed.try(:blob)

    node.attributes["url"].value = Rails.application.routes.url_helpers.rails_storage_redirect_url(embed.blob, host: "eventaservo.org")
    node.attributes["sgid"].value = embed.attachable_sgid
  end

  trix.update_column :body, trix.body.to_s
end

ActionText::RichText.where.not(body: nil).find_each do |trix|
    refresh_trix(trix)
end