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# frozen_string_literal: true
module Namespaces
module Traversal
module Recursive
extend ActiveSupport::Concern
def root_ancestor
return self if parent.nil?
if persisted?
strong_memoize(:root_ancestor) do
self_and_ancestors.reorder(nil).find_by(parent_id: nil)
end
else
parent.root_ancestor
end
end
# Returns all ancestors, self, and descendants of the current namespace.
def self_and_hierarchy
object_hierarchy(self.class.where(id: id))
.all_objects
end
alias_method :recursive_self_and_hierarchy, :self_and_hierarchy
# Returns all the ancestors of the current namespaces.
def ancestors
return self.class.none unless parent_id
object_hierarchy(self.class.where(id: parent_id))
.base_and_ancestors
end
alias_method :recursive_ancestors, :ancestors
# returns all ancestors upto but excluding the given namespace
# when no namespace is given, all ancestors upto the top are returned
def ancestors_upto(top = nil, hierarchy_order: nil)
object_hierarchy(self.class.where(id: id))
.ancestors(upto: top, hierarchy_order: hierarchy_order)
end
def self_and_ancestors(hierarchy_order: nil)
return self.class.where(id: id) unless parent_id
object_hierarchy(self.class.where(id: id))
.base_and_ancestors(hierarchy_order: hierarchy_order)
end
alias_method :recursive_self_and_ancestors, :self_and_ancestors
# Returns all the descendants of the current namespace.
def descendants
object_hierarchy(self.class.where(parent_id: id))
.base_and_descendants
end
alias_method :recursive_descendants, :descendants
def self_and_descendants
object_hierarchy(self.class.where(id: id))
.base_and_descendants
end
alias_method :recursive_self_and_descendants, :self_and_descendants
def object_hierarchy(ancestors_base)
Gitlab::ObjectHierarchy.new(ancestors_base, options: { use_distinct: Feature.enabled?(:use_distinct_in_object_hierarchy, self) })
end
end
end
end
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