Class: UploadFixer

Inherits:
Object
  • Object
show all
Defined in:
lib/upload_fixer.rb

Class Method Summary collapse

Class Method Details

.fix_all_extensions ⇒ Object 



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# File 'lib/upload_fixer.rb', line 4

def self.fix_all_extensions
  Upload
    .where("uploads.extension IS NOT NULL")
    .find_each { |upload| fix_extension_on_upload(upload) }
end

.fix_extension_on_upload(upload) ⇒ Object 



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# File 'lib/upload_fixer.rb', line 10

def self.fix_extension_on_upload(upload)
  is_external = Discourse.store.external?
  previous_url = upload.url.dup

  source =
    if is_external
      "https:#{previous_url}"
    else
      Discourse.store.path_for(upload)
    end

  correct_extension = FastImage.type(source).to_s.downcase
  current_extension = upload.extension.to_s.downcase

  if correct_extension.present?
    correct_extension = "jpg" if correct_extension == "jpeg"
    current_extension = "jpg" if current_extension == "jpeg"

    if correct_extension != current_extension
      new_filename = change_extension(upload.original_filename, correct_extension)

      new_url = change_extension(previous_url, correct_extension)

      if is_external
        new_url = "/#{new_url}"
        source = Discourse.store.get_path_for_upload(upload)
        destination = change_extension(source, correct_extension)

        Discourse.store.copy_file(previous_url, source, destination)

        upload.update!(
          original_filename: new_filename,
          url: new_url,
          extension: correct_extension,
        )

        DbHelper.remap(previous_url, upload.url)
        Discourse.store.remove_file(previous_url, source)
      else
        destination = change_extension(source, correct_extension)
        FileUtils.copy(source, destination)

        upload.update!(
          original_filename: new_filename,
          url: new_url,
          extension: correct_extension,
        )

        DbHelper.remap(previous_url, upload.url)

        tombstone_path = source.sub("/uploads/", "/uploads/tombstone/")
        FileUtils.mkdir_p(File.dirname(tombstone_path))

        FileUtils.move(source, tombstone_path)
      end
    end
  end
rescue => e
  STDERR.puts "Skipping upload: failed to correct extension on upload id: #{upload.id} #{current_extension} => #{correct_extension}"
  STDERR.puts e
end