Carrier wave to Active Storage Syncing

syncing_carrier_wave_to_active_storage.rb

#app/models/profile.rb

def sync_active_storage_future_logo
  # Abort if the attachment is default
  return unless logo.present? && (logo.id != DefaultAvatar.for_logo.asset_id)

  future_logo.purge if future_logo.attached? # remove the existing image from new attachment field
  sync_future_logo
end

def sync_future_logo # rubocop:disable Metrics/AbcSize
  file_attachment = logo.attachment
  return if file_attachment.file&.file.nil?
  presigned_url = file_attachment.file.file.presigned_url(:get, expires_in: 3600)
  temp_file = Tempfile.new("model_logo", "tmp/", binmode: true)
  begin
    URI.parse(presigned_url).open do |file|
      temp_file.write(file.read)
    end
    temp_file.rewind # move the file cursor to the beginning
    future_logo.attach(
      io: temp_file,
      content_type: file_attachment.content_type,
      filename: file_attachment.file.filename
    )
  rescue OpenURI::HTTPError => e
    Rails.logger.info(message: "Missin logo image #{id} Error: #{e}")
  end
end

# rake task
task process_migration_in_job_domain_post: :environment do
  Post.in_batches do |posts|
    Post.transaction do
      posts.each do |post|
        Rails.logger.info(message: "Processing migration for Post #{post.id}")
        post.sync_active_storage_future_logo
        Rails.logger.info(message: "Migration Completed for Post #{post.id}")
      end
      sleep(0.01)
    end
  end
end