1 files changed, 0 insertions, 132 deletions
diff --git a/lib/gitlab/import_export/group/legacy_tree_restorer.rb b/lib/gitlab/import_export/group/legacy_tree_restorer.rb
deleted file mode 100644
index fa9e765b33a..00000000000
--- a/lib/gitlab/import_export/group/legacy_tree_restorer.rb
+++ /dev/null
@@ -1,132 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module ImportExport
-    module Group
-      class LegacyTreeRestorer
-        include Gitlab::Utils::StrongMemoize
-
-        attr_reader :user
-        attr_reader :shared
-        attr_reader :group
-
-        def initialize(user:, shared:, group:, group_hash:)
-          @user = user
-          @shared = shared
-          @group = group
-          @group_hash = group_hash
-        end
-
-        def restore
-          @group_attributes = relation_reader.consume_attributes(nil)
-          @group_members = relation_reader.consume_relation(nil, 'members')
-            .map(&:first)
-
-          # We need to remove `name` and `path` as we did consume it in previous pass
-          @group_attributes.delete('name')
-          @group_attributes.delete('path')
-
-          @children = @group_attributes.delete('children')
-
-          if members_mapper.map && restorer.restore
-            @children&.each do |group_hash|
-              group = create_group(group_hash: group_hash, parent_group: @group)
-              shared = Gitlab::ImportExport::Shared.new(group)
-
-              self.class.new(
-                user: @user,
-                shared: shared,
-                group: group,
-                group_hash: group_hash
-              ).restore
-            end
-          end
-
-          return false if @shared.errors.any?
-
-          true
-        rescue StandardError => e
-          @shared.error(e)
-          false
-        end
-
-        private
-
-        def relation_reader
-          strong_memoize(:relation_reader) do
-            if @group_hash.present?
-              ImportExport::Json::LegacyReader::Hash.new(
-                @group_hash,
-                relation_names: reader.group_relation_names)
-            else
-              ImportExport::Json::LegacyReader::File.new(
-                File.join(shared.export_path, 'group.json'),
-                relation_names: reader.group_relation_names)
-            end
-          end
-        end
-
-        def restorer
-          @relation_tree_restorer ||= RelationTreeRestorer.new(
-            user: @user,
-            shared: @shared,
-            relation_reader: relation_reader,
-            members_mapper: members_mapper,
-            object_builder: object_builder,
-            relation_factory: relation_factory,
-            reader: reader,
-            importable: @group,
-            importable_attributes: @group_attributes,
-            importable_path: nil
-          )
-        end
-
-        def create_group(group_hash:, parent_group:)
-          group_params = {
-            name: group_hash['name'],
-            path: group_hash['path'],
-            parent_id: parent_group&.id,
-            visibility_level: sub_group_visibility_level(group_hash, parent_group)
-          }
-
-          ::Groups::CreateService.new(@user, group_params).execute
-        end
-
-        def sub_group_visibility_level(group_hash, parent_group)
-          original_visibility_level = group_hash['visibility_level'] || Gitlab::VisibilityLevel::PRIVATE
-
-          if parent_group && parent_group.visibility_level < original_visibility_level
-            Gitlab::VisibilityLevel.closest_allowed_level(parent_group.visibility_level)
-          else
-            original_visibility_level
-          end
-        end
-
-        def members_mapper
-          @members_mapper ||= Gitlab::ImportExport::MembersMapper.new(
-            exported_members: @group_members,
-            user: @user,
-            importable: @group
-          )
-        end
-
-        def relation_factory
-          Gitlab::ImportExport::Group::RelationFactory
-        end
-
-        def object_builder
-          Gitlab::ImportExport::Group::ObjectBuilder
-        end
-
-        def reader
-          @reader ||= Gitlab::ImportExport::Reader.new(
-            shared: @shared,
-            config: Gitlab::ImportExport::Config.new(
-              config: Gitlab::ImportExport.legacy_group_config_file
-            ).to_h
-          )
-        end
-      end
-    end
-  end
-end