gitlab-org--gitlab-foss/lib/banzai/lazy_reference.rb
2016-01-14 11:30:28 +01:00

25 lines
525 B
Ruby

module Banzai
class LazyReference
def self.load(refs)
lazy_references, values = refs.partition { |ref| ref.is_a?(self) }
lazy_values = lazy_references.group_by(&:klass).flat_map do |klass, refs|
ids = refs.flat_map(&:ids)
klass.where(id: ids)
end
values + lazy_values
end
attr_reader :klass, :ids
def initialize(klass, ids)
@klass = klass
@ids = Array.wrap(ids).map(&:to_i)
end
def load
self.klass.where(id: self.ids)
end
end
end