1 files changed, 12 insertions, 39 deletions

diff --git a/app/graphql/mutations/boards/lists/create.rb b/app/graphql/mutations/boards/lists/create.rb
index 9eb9a4d4b87..f3aae9ac9c8 100644
--- a/app/graphql/mutations/boards/lists/create.rb
+++ b/app/graphql/mutations/boards/lists/create.rb
@@ -3,59 +3,32 @@
 module Mutations
   module Boards
     module Lists
-      class Create < Base
+      class Create < BaseCreate
         graphql_name 'BoardListCreate'
 
-        argument :backlog, GraphQL::BOOLEAN_TYPE,
-                 required: false,
-                 description: 'Create the backlog list.'
+        argument :board_id, ::Types::GlobalIDType[::Board],
+                 required: true,
+                 description: 'Global ID of the issue board to mutate.'
 
-        argument :label_id, ::Types::GlobalIDType[::Label],
-                 required: false,
-                 description: 'Global ID of an existing label.'
+        field :list,
+              Types::BoardListType,
+              null: true,
+              description: 'Issue list in the issue board.'
 
-        def ready?(**args)
-          if args.slice(*mutually_exclusive_args).size != 1
-            arg_str = mutually_exclusive_args.map { |x| x.to_s.camelize(:lower) }.join(' or ')
-            raise Gitlab::Graphql::Errors::ArgumentError, "one and only one of #{arg_str} is required"
-          end
+        authorize :admin_list
 
-          super
-        end
-
-        def resolve(**args)
-          board  = authorized_find!(id: args[:board_id])
-          params = create_list_params(args)
-
-          response = create_list(board, params)
+        private
 
-          {
-            list: response.success? ? response.payload[:list] : nil,
-            errors: response.errors
-          }
+        def find_object(id:)
+          GitlabSchema.object_from_id(id, expected_type: ::Board)
         end
 
-        private
-
         def create_list(board, params)
           create_list_service =
             ::Boards::Lists::CreateService.new(board.resource_parent, current_user, params)
 
           create_list_service.execute(board)
         end
-
-        # Overridden in EE
-        def create_list_params(args)
-          params = args.slice(*mutually_exclusive_args).with_indifferent_access
-          params[:label_id] &&= ::GitlabSchema.parse_gid(params[:label_id], expected_type: ::Label).model_id
-
-          params
-        end
-
-        # Overridden in EE
-        def mutually_exclusive_args
-          [:backlog, :label_id]
-        end
       end
     end
   end