debian-mirror-gitlab/app/models/ci/namespace_mirror.rb
2022-04-04 11:22:00 +05:30

43 lines
1.5 KiB
Ruby

# frozen_string_literal: true
module Ci
# This model represents a record in a shadow table of the main database's namespaces table.
# It allows us to navigate the namespace hierarchy on the ci database without resorting to a JOIN.
class NamespaceMirror < ApplicationRecord
belongs_to :namespace
scope :by_group_and_descendants, -> (id) do
where('traversal_ids @> ARRAY[?]::int[]', id)
end
scope :contains_any_of_namespaces, -> (ids) do
where('traversal_ids && ARRAY[?]::int[]', ids)
end
scope :by_namespace_id, -> (namespace_id) { where(namespace_id: namespace_id) }
class << self
def sync!(event)
namespace = event.namespace
traversal_ids = namespace.self_and_ancestor_ids(hierarchy_order: :desc)
upsert({ namespace_id: event.namespace_id, traversal_ids: traversal_ids },
unique_by: :namespace_id)
# It won't be necessary once we remove `sync_traversal_ids`.
# More info: https://gitlab.com/gitlab-org/gitlab/-/issues/347541
sync_children_namespaces!(event.namespace_id, traversal_ids)
end
private
def sync_children_namespaces!(namespace_id, traversal_ids)
by_group_and_descendants(namespace_id)
.where.not(namespace_id: namespace_id)
.update_all(
"traversal_ids = ARRAY[#{sanitize_sql(traversal_ids.join(','))}]::int[] || traversal_ids[array_position(traversal_ids, #{sanitize_sql(namespace_id)}) + 1:]"
)
end
end
end
end