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<?php |
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namespace App\Blog\Post; |
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use App\Blog\Entity\Post; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Select; |
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use Cycle\ORM\Transaction; |
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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\DataReader\SelectDataReader; |
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use Throwable; |
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final class PostRepository extends Select\Repository |
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{ |
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private ORMInterface $orm; |
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public function __construct(Select $select, ORMInterface $orm) |
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{ |
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$this->orm = $orm; |
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parent::__construct($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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/** @var null|Post $post */ |
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$post = $query->fetchOne(); |
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return $post; |
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} |
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/** |
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* @param Post $post |
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* @throws Throwable |
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*/ |
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public function save(Post $post): void |
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{ |
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$transaction = new Transaction($this->orm); |
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$transaction->persist($post); |
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$transaction->run(); |
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} |
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private function prepareDataReader($query): SelectDataReader |
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{ |
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return (new SelectDataReader($query))->withSort((new Sort([]))->withOrder(['published_at' => 'desc'])); |
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} |
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} |
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yiisoft /
yii-demo
