refactor uploads manager

app/services/upload_service.rb

 class UploadService
-  def initialize(model, file, uploader_class = FileUploader)
-    @model, @file, @uploader_class = model, file, uploader_class
+  def initialize(model, file, uploader_class = FileUploader, **uploader_context)
+    @model, @file, @uploader_class, @uploader_context = model, file, uploader_class, uploader_context
   end
 
   def execute
     return nil unless @file && @file.size <= max_attachment_size
 
-    uploader = @uploader_class.new(@model)
+    uploader = @uploader_class.new(@model, nil, @uploader_context)
     uploader.store!(@file)
 
     uploader.to_h

lib/gitlab/import_export/uploads_manager.rb

@@ -29,10 +29,15 @@ module Gitlab
         Dir["#{uploads_export_path}/**/*"].each do |upload|
           next if File.directory?(upload)
 
-          UploadService.new(@project, File.open(upload, 'r'), FileUploader).execute
-        end
+          secret, identifier = upload.split('/').last(2)
 
-        true
+          uploader_context = {
+            secret: secret,
+            identifier: identifier
+          }
+
+          UploadService.new(@project, File.open(upload, 'r'), FileUploader, uploader_context).execute
+        end
       rescue => e
         @shared.error(e)
         false

spec/lib/gitlab/import_export/uploads_manager_spec.rb

@@ -48,7 +48,7 @@ describe Gitlab::ImportExport::UploadsManager do
         stub_uploads_object_storage(FileUploader)
       end
 
-      it 'downloads the file to include in an archive' do
+      it 'saves the file' do
         fake_uri = double
 
         expect(fake_uri).to receive(:open).and_return(StringIO.new('File content'))
@@ -70,7 +70,7 @@ describe Gitlab::ImportExport::UploadsManager do
           FileUtils.touch(File.join(shared.export_path, 'uploads/random', "dummy.txt"))
         end
 
-        it 'downloads the file to include in an archive' do
+        it 'restores the file' do
           manager.restore
 
           expect(project.uploads.size).to eq(1)