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<?php |
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declare(strict_types=1); |
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namespace App\Blog\Post; |
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use App\Blog\Entity\Post; |
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use Cycle\ORM\Select; |
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use Throwable; |
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use Yiisoft\Data\Reader\DataReaderInterface; |
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use Yiisoft\Data\Reader\Sort; |
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use Yiisoft\Yii\Cycle\Data\Reader\EntityReader; |
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use Yiisoft\Yii\Cycle\Data\Writer\EntityWriter; |
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final class PostRepository extends Select\Repository |
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{ |
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private EntityWriter $entityWriter; |
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public function __construct(Select $select, EntityWriter $entityWriter) |
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{ |
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$this->entityWriter = $entityWriter; |
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parent::__construct($select); |
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} |
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/** |
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* Get posts without filter with preloaded Users and Tags |
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*/ |
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public function findAllPreloaded(): DataReaderInterface |
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{ |
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$query = $this->select() |
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->load(['user', 'tags']); |
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return $this->prepareDataReader($query); |
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} |
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public function findByTag($tagId): DataReaderInterface |
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{ |
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$query = $this |
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->select() |
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->where(['tags.id' => $tagId]) |
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->load('user', ['method' => Select::SINGLE_QUERY]); |
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return $this->prepareDataReader($query); |
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} |
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public function fullPostPage(string $slug): ?Post |
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{ |
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$query = $this |
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->select() |
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->where(['slug' => $slug]) |
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->load('user', ['method' => Select::SINGLE_QUERY]) |
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->load(['tags']) |
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// force loading in single query with comments |
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->load('comments.user', ['method' => Select::SINGLE_QUERY]) |
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->load('comments', ['method' => Select::OUTER_QUERY]); |
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return $query->fetchOne(); |
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} |
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/** |
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* @throws Throwable |
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*/ |
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public function save(Post $post): void |
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{ |
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$this->entityWriter->write([$post]); |
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} |
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private function prepareDataReader($query): EntityReader |
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{ |
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return (new EntityReader($query))->withSort((new Sort(['published_at']))->withOrder(['published_at' => 'desc'])); |
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} |
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} |
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yiisoft /
yii-demo
