1 files changed, 1 insertions, 62 deletions
diff --git a/app/services/boards/lists/create_service.rb b/app/services/boards/lists/create_service.rb
index a21ceee083f..37fe0a815bd 100644
--- a/app/services/boards/lists/create_service.rb
+++ b/app/services/boards/lists/create_service.rb
@@ -2,68 +2,7 @@
 
 module Boards
   module Lists
-    class CreateService < Boards::BaseService
-      include Gitlab::Utils::StrongMemoize
-
-      def execute(board)
-        list = case type
-               when :backlog
-                 create_backlog(board)
-               else
-                 target = target(board)
-                 position = next_position(board)
-
-                 return ServiceResponse.error(message: _('%{board_target} not found') % { board_target: type.to_s.capitalize }) if target.blank?
-
-                 create_list(board, type, target, position)
-               end
-
-        return ServiceResponse.error(message: list.errors.full_messages) unless list.persisted?
-
-        ServiceResponse.success(payload: { list: list })
-      end
-
-      private
-
-      def type
-        # We don't ever expect to have more than one list
-        # type param at once.
-        if params.key?('backlog')
-          :backlog
-        else
-          :label
-        end
-      end
-
-      def target(board)
-        strong_memoize(:target) do
-          available_labels.find_by(id: params[:label_id]) # rubocop: disable CodeReuse/ActiveRecord
-        end
-      end
-
-      def available_labels
-        ::Labels::AvailableLabelsService.new(current_user, parent, {})
-          .available_labels
-      end
-
-      def next_position(board)
-        max_position = board.lists.movable.maximum(:position)
-        max_position.nil? ? 0 : max_position.succ
-      end
-
-      def create_list(board, type, target, position)
-        board.lists.create(create_list_attributes(type, target, position))
-      end
-
-      def create_list_attributes(type, target, position)
-        { type => target, list_type: type, position: position }
-      end
-
-      def create_backlog(board)
-        return board.lists.backlog.first if board.lists.backlog.exists?
-
-        board.lists.create(list_type: :backlog, position: nil)
-      end
+    class CreateService < Boards::Lists::BaseCreateService
     end
   end
 end