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<?php |
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/* |
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* This file is part of the Scrawler package. |
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* |
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* (c) Pranjal Pandey <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Scrawler\Arca\Manager; |
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use Doctrine\DBAL\Connection; |
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use Ramsey\Uuid\Uuid; |
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use Scrawler\Arca\Collection; |
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use Scrawler\Arca\Config; |
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use Scrawler\Arca\Model; |
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use Scrawler\Arca\QueryBuilder; |
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/** |
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* Class responsible for manging single records. |
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*/ |
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final class RecordManager |
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{ |
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private const ID_COLUMN = 'id'; |
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private const DEFAULT_ALIAS = 't'; |
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private const ALL_COLUMNS = '*'; |
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/** |
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* Create RecordManager. |
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*/ |
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public function __construct( |
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private readonly Connection $connection, |
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private readonly ModelManager $modelManager, |
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private readonly Config $config, |
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) { |
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} |
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/** |
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* Execute operations within a transaction. |
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* |
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* @template T |
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* |
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* @param callable(): T $callback |
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* |
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* @return T |
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* |
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* @throws \Exception |
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*/ |
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private function executeInTransaction(callable $callback): mixed |
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{ |
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if (!$this->connection->isTransactionActive()) { |
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$this->connection->beginTransaction(); |
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try { |
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$result = $callback(); |
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$this->connection->commit(); |
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return $result; |
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} catch (\Exception $e) { |
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$this->connection->rollBack(); |
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throw $e; |
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} |
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} |
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// If already in transaction, just execute the callback |
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return $callback(); |
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} |
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/** |
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* Create a new record. |
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*/ |
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public function insert(Model $model): mixed |
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{ |
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return $this->executeInTransaction(function () use ($model) { |
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if ($this->config->isUsingUUID()) { |
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$model->set(self::ID_COLUMN, Uuid::uuid4()->toString()); |
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} |
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$this->connection->insert( |
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$model->getName(), |
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$model->getSelfProperties() |
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); |
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if ($this->config->isUsingUUID()) { |
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return $model->get(self::ID_COLUMN); |
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} |
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return (int) $this->connection->lastInsertId(); |
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}); |
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} |
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/** |
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* Update a record. |
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*/ |
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public function update(Model $model): mixed |
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{ |
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return $this->executeInTransaction(function () use ($model) { |
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$this->connection->update( |
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$model->getName(), |
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$model->getSelfProperties(), |
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[self::ID_COLUMN => $model->getId()] |
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); |
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return $model->getId(); |
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}); |
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} |
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/** |
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* Delete a record. |
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*/ |
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public function delete(Model $model): mixed |
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{ |
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return $this->executeInTransaction(function () use ($model) { |
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$this->connection->delete( |
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$model->getName(), |
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[self::ID_COLUMN => $model->getId()] |
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); |
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return $model->getId(); |
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}); |
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} |
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/** |
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* Get single record by id. |
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*/ |
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public function getById(string $table, mixed $id): ?Model |
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{ |
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return $this->executeInTransaction(function () use ($table, $id) { |
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return $this->createQueryBuilder() |
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->select(self::ALL_COLUMNS) |
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->from($table, self::DEFAULT_ALIAS) |
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->where(self::DEFAULT_ALIAS.'.'.self::ID_COLUMN.' = ?') |
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->setParameter(0, $id) |
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->first(); |
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}); |
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} |
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/** |
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* Get all records. |
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*/ |
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public function getAll(string $tableName): Collection |
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{ |
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return $this->executeInTransaction(function () use ($tableName) { |
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return $this->createQueryBuilder() |
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->select(self::ALL_COLUMNS) |
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->from($tableName, self::DEFAULT_ALIAS) |
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->get(); |
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}); |
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} |
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/** |
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* Create a new QueryBuilder instance. |
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*/ |
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private function createQueryBuilder(): QueryBuilder |
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{ |
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return new QueryBuilder($this->connection, $this->modelManager); |
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} |
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/** |
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* Get query builder from db. |
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*/ |
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public function find(string $name): QueryBuilder |
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{ |
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return $this->createQueryBuilder() |
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->select(self::ALL_COLUMNS) |
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->from($name, self::DEFAULT_ALIAS); |
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} |
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/** |
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* Get query builder from db. |
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*/ |
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public function select(string $expression): QueryBuilder |
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{ |
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return $this->createQueryBuilder()->select($expression); |
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} |
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} |
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scrawler-labs /
arca-orm
