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# frozen_string_literal: true
class FileMover
include Gitlab::Utils::StrongMemoize
attr_reader :secret, :file_name, :from_model, :to_model, :update_field
def initialize(file_path, update_field = :description, from_model:, to_model:)
@secret = File.split(File.dirname(file_path)).last
@file_name = File.basename(file_path)
@from_model = from_model
@to_model = to_model
@update_field = update_field
end
def execute
temp_file_uploader.retrieve_from_store!(file_name)
return unless valid?
uploader.retrieve_from_store!(file_name)
move
if update_markdown
update_upload_model
uploader.schedule_background_upload
end
end
private
def valid?
if temp_file_uploader.file_storage?
Pathname.new(temp_file_path).realpath.to_path.start_with?(
(Pathname(temp_file_uploader.root) + temp_file_uploader.base_dir).to_path
)
else
temp_file_uploader.exists?
end
end
def move
if temp_file_uploader.file_storage?
FileUtils.mkdir_p(File.dirname(file_path))
FileUtils.move(temp_file_path, file_path)
else
uploader.copy_file(temp_file_uploader.file)
temp_file_uploader.upload.destroy!
end
end
def update_markdown
updated_text = to_model.read_attribute(update_field)
.gsub(temp_file_uploader.markdown_link, uploader.markdown_link)
to_model.update_attribute(update_field, updated_text)
rescue
revert
false
end
def update_upload_model
return unless upload = temp_file_uploader.upload
return if upload.destroyed?
upload.update!(model: to_model)
end
def temp_file_path
strong_memoize(:temp_file_path) do
temp_file_uploader.file.path
end
end
def file_path
strong_memoize(:file_path) do
uploader.file.path
end
end
def uploader
@uploader ||=
begin
uploader = PersonalFileUploader.new(to_model, secret: secret)
# Enforcing a REMOTE object storage given FileUploader#retrieve_from_store! won't do it
# (there's no upload at the target yet).
if uploader.class.object_store_enabled?
uploader.object_store = ::ObjectStorage::Store::REMOTE
end
uploader
end
end
def temp_file_uploader
@temp_file_uploader ||= PersonalFileUploader.new(from_model, secret: secret)
end
def revert
Rails.logger.warn("Markdown not updated, file move reverted for #{to_model}")
if temp_file_uploader.file_storage?
FileUtils.move(file_path, temp_file_path)
end
end
end
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