1# frozen_string_literal: true 2 3module Ci 4 # This model represents a record in a shadow table of the main database's namespaces table. 5 # It allows us to navigate the namespace hierarchy on the ci database without resorting to a JOIN. 6 class NamespaceMirror < ApplicationRecord 7 belongs_to :namespace 8 9 scope :contains_namespace, -> (id) do 10 where('traversal_ids @> ARRAY[?]::int[]', id) 11 end 12 13 class << self 14 def sync!(event) 15 namespace = event.namespace 16 traversal_ids = namespace.self_and_ancestor_ids(hierarchy_order: :desc) 17 18 upsert({ namespace_id: event.namespace_id, traversal_ids: traversal_ids }, 19 unique_by: :namespace_id) 20 21 # It won't be necessary once we remove `sync_traversal_ids`. 22 # More info: https://gitlab.com/gitlab-org/gitlab/-/issues/347541 23 sync_children_namespaces!(event.namespace_id, traversal_ids) 24 end 25 26 private 27 28 def sync_children_namespaces!(namespace_id, traversal_ids) 29 contains_namespace(namespace_id) 30 .where.not(namespace_id: namespace_id) 31 .update_all( 32 "traversal_ids = ARRAY[#{sanitize_sql(traversal_ids.join(','))}]::int[] || traversal_ids[array_position(traversal_ids, #{sanitize_sql(namespace_id)}) + 1:]" 33 ) 34 end 35 end 36 end 37end 38