1 files changed, 32 insertions, 0 deletions
diff --git a/app/graphql/mutations/work_items/linked_items/add.rb b/app/graphql/mutations/work_items/linked_items/add.rb
new file mode 100644
index 00000000000..b346b074e85
--- /dev/null
+++ b/app/graphql/mutations/work_items/linked_items/add.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module Mutations
+  module WorkItems
+    module LinkedItems
+      class Add < Base
+        graphql_name 'WorkItemAddLinkedItems'
+        description 'Add linked items to the work item.'
+
+        argument :link_type, ::Types::WorkItems::RelatedLinkTypeEnum,
+          required: false, description: 'Type of link. Defaults to `RELATED`.'
+
+        private
+
+        def update_links(work_item, params)
+          Gitlab::QueryLimiting.disable!('https://gitlab.com/gitlab-org/gitlab/-/issues/419555')
+
+          gids = params.delete(:work_items_ids)
+          work_items = begin
+            GitlabSchema.parse_gids(gids, expected_type: ::WorkItem).map(&:find)
+          rescue ActiveRecord::RecordNotFound => e
+            raise Gitlab::Graphql::Errors::ArgumentError, e
+          end
+
+          ::WorkItems::RelatedWorkItemLinks::CreateService
+            .new(work_item, current_user, { target_issuable: work_items, link_type: params[:link_type] })
+            .execute
+        end
+      end
+    end
+  end
+end