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<?php |
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declare(strict_types=1); |
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namespace Cerbero\LazyJsonPages\Paginations; |
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use Cerbero\LazyJsonPages\Exceptions\UnsupportedPaginationException; |
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use Traversable; |
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/** |
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* The aggregator of supported paginations. |
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*/ |
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class AnyPagination extends Pagination |
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{ |
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/** |
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* The supported paginations. |
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* |
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* @var class-string<Pagination>[] |
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*/ |
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protected array $supportedPaginations = [ |
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CursorAwarePagination::class, |
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CustomPagination::class, |
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LastPageAwarePagination::class, |
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LinkHeaderAwarePagination::class, |
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TotalItemsAwarePagination::class, |
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TotalPagesAwarePagination::class, |
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]; |
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/** |
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* Yield the paginated items. |
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* |
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* @return Traversable<int, mixed> |
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* @throws UnsupportedPaginationException |
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*/ |
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public function getIterator(): Traversable |
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{ |
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// yield only items and not indexes to ensure incremental indexes |
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// otherwise the actual indexes always start from 0 on every page |
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foreach ($this->matchingPagination() as $item) { |
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yield $item; |
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} |
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} |
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/** |
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* Retrieve the pagination matching with the configuration. |
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*/ |
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protected function matchingPagination(): Pagination |
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{ |
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foreach ($this->supportedPaginations as $class) { |
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$pagination = new $class($this->source, $this->client, $this->config); |
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if ($pagination->matches()) { |
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return $pagination; |
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} |
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} |
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throw new UnsupportedPaginationException($this->config); |
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} |
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} |
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