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