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# frozen_string_literal: true
module Gitlab
module ImportExport
class UploadsManager
include Gitlab::ImportExport::CommandLineUtil
UPLOADS_BATCH_SIZE = 100
def initialize(project:, shared:, relative_export_path: 'uploads')
@project = project
@shared = shared
@relative_export_path = relative_export_path
end
def save
copy_project_uploads
true
rescue StandardError => e
@shared.error(e)
false
end
def restore
Dir["#{uploads_export_path}/**/*"].each do |upload|
next if File.directory?(upload)
add_upload(upload)
end
true
rescue StandardError => e
@shared.error(e)
false
end
private
def add_upload(upload)
uploader_context = FileUploader.extract_dynamic_path(upload).named_captures.symbolize_keys
UploadService.new(@project, File.open(upload, 'r'), FileUploader, **uploader_context).execute.to_h
end
def copy_project_uploads
each_uploader do |uploader|
next unless uploader.file
if uploader.upload.local?
next unless uploader.upload.exist?
copy_files(uploader.absolute_path, File.join(uploads_export_path, uploader.upload.path))
else
download_and_copy(uploader)
end
end
end
def uploads_export_path
@uploads_export_path ||= File.join(@shared.export_path, @relative_export_path)
end
def each_uploader
avatar_path = @project.avatar&.upload&.path
if @relative_export_path == 'avatar'
yield(@project.avatar)
else
project_uploads_except_avatar(avatar_path).find_each(batch_size: UPLOADS_BATCH_SIZE) do |upload|
yield(upload.retrieve_uploader)
end
end
end
def project_uploads_except_avatar(avatar_path)
return @project.uploads unless avatar_path
@project.uploads.where.not(path: avatar_path)
end
def download_and_copy(upload)
secret = upload.try(:secret) || ''
upload_path = File.join(uploads_export_path, secret, upload.filename)
mkdir_p(File.join(uploads_export_path, secret))
download_or_copy_upload(upload, upload_path)
rescue StandardError => e
# Do not fail entire project export if something goes wrong during file download
# (e.g. downloaded file has filename that exceeds 255 characters).
# Ignore raised exception, skip such upload, log the error and keep going with the export instead.
Gitlab::ErrorTracking.log_exception(e, project_id: @project.id)
end
end
end
end
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