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# frozen_string_literal: true
module Ci
##
# This module implements a way to set the `partion_id` value on a dependent
# resource from a parent record.
# Usage:
#
# class PipelineVariable < Ci::ApplicationRecord
# include Ci::Partitionable
#
# belongs_to :pipeline
# partitionable scope: :pipeline
# # Or
# partitionable scope: ->(record) { record.partition_value }
#
#
module Partitionable
extend ActiveSupport::Concern
include ::Gitlab::Utils::StrongMemoize
included do
before_validation :set_partition_id, on: :create
validates :partition_id, presence: true
def set_partition_id
return if partition_id_changed? && partition_id.present?
return unless partition_scope_value
self.partition_id = partition_scope_value
end
end
class_methods do
private
def partitionable(scope:)
define_method(:partition_scope_value) do
strong_memoize(:partition_scope_value) do
record = scope.to_proc.call(self)
record.respond_to?(:partition_id) ? record.partition_id : record
end
end
end
end
end
end
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