26 lines
897 B
Ruby
26 lines
897 B
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module Graphql
|
|
module Pagination
|
|
module Keyset
|
|
# This class handles the last(N) ActiveRecord call even if a special ORDER BY configuration is present.
|
|
# For the last(N) call, ActiveRecord calls reverse_order, however for some cases it raises
|
|
# ActiveRecord::IrreversibleOrderError error.
|
|
class LastItems
|
|
# rubocop: disable CodeReuse/ActiveRecord
|
|
def self.take_items(scope, count)
|
|
if Gitlab::Pagination::Keyset::Order.keyset_aware?(scope)
|
|
order = Gitlab::Pagination::Keyset::Order.extract_keyset_order_object(scope)
|
|
items = scope.reorder(order.reversed_order).first(count)
|
|
items.is_a?(Array) ? items.reverse : items
|
|
else
|
|
scope.last(count)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|