spawnia
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<?php
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namespace Nuwave\Lighthouse\Pagination; |
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use Illuminate\Support\Arr; |
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/**
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* Encode and decode pagination cursors.
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*
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* Currently, the underlying pagination Query uses offset based navigation, so
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* this basically just encodes an offset. This is enough to satisfy the constraints
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* that Relay has, but not a clean permanent solution.
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*
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* TODO Implement actual cursor pagination https://github.com/nuwave/lighthouse/issues/311
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*/
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class Cursor |
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{
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/**
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* Decode cursor from query arguments.
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*
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* If no 'after' argument is provided or the contents are not a valid base64 string,
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* this will return 0. That will effectively reset pagination, so the user gets the
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* first slice.
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*
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* @param array<string, mixed> $args
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*/
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public static function decode(array $args): int |
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{
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if ($cursor = Arr::get($args, 'after')) { |
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return (int) \Safe\base64_decode($cursor); |
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}
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return 0; |
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}
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/**
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* Encode the given offset to make the implementation opaque.
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*/
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public static function encode(int $offset): string |
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{
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return base64_encode((string) $offset); |
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}
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}
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