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<?php |
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declare(strict_types=1); |
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namespace App\Blog\Comment; |
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use Cycle\ORM\Select; |
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use Yiisoft\Data\Reader\DataReaderInterface; |
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use Yiisoft\Data\Reader\Filter\CompareFilter; |
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use Yiisoft\Data\Reader\Filter\FilterInterface; |
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use Yiisoft\Data\Reader\Filter\FilterProcessorInterface; |
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use Yiisoft\Data\Reader\FilterableDataInterface; |
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use Yiisoft\Data\Reader\Sort; |
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use Yiisoft\Data\Reader\SortableDataInterface; |
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final class CommentFeedReader implements FilterableDataInterface, DataReaderInterface, SortableDataInterface |
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{ |
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private Select $query; |
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private ?int $limit = null; |
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private ?Sort $sorting = null; |
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private ?FilterInterface $filter = null; |
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public function __construct(Select $query) |
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{ |
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$this->query = clone $query; |
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} |
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public function getSort(): ?Sort |
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{ |
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return $this->sorting; |
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} |
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public function withLimit(int $limit): self |
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{ |
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$clone = clone $this; |
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$clone->limit = $limit; |
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return $clone; |
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} |
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public function withSort(?Sort $sorting): self |
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{ |
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$clone = clone $this; |
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$clone->sorting = $sorting; |
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return $clone; |
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} |
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public function read(): iterable |
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{ |
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$query = clone $this->query; |
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if ($this->sorting !== null) { |
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$query->orderBy($this->sorting->getOrder()); |
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} |
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if ($this->limit !== null) { |
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$query->limit($this->limit); |
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} |
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if ($this->filter !== null) { |
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$filterParams = $this->filter->toArray(); |
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$query->where($filterParams[1], $filterParams[0], $filterParams[2]); |
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} |
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return $query->fetchData(); |
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} |
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public function readOne() |
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{ |
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return (static function (iterable $data): \Generator { |
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yield from $data; |
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})($this->withLimit(1)->read())->current(); |
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} |
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public function withFilter(FilterInterface $filter): self |
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{ |
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if (!$filter instanceof CompareFilter) { |
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throw new \InvalidArgumentException('Filter should implement CompareFilter'); |
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} |
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$clone = clone $this; |
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$clone->filter = $filter; |
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return $clone; |
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} |
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public function withFilterProcessors(FilterProcessorInterface ...$filterProcessors): void |
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{ |
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// skip |
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} |
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} |
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yiisoft /
yii-demo
