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<?php declare(strict_types=1); |
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namespace Indigerd\Repository\TableGateway; |
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use Indigerd\Repository\Query\SqlQueryFactory; |
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use yii\db\Connection; |
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use yii\db\Query; |
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use yii\db\Expression; |
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use Indigerd\Repository\Exception\UpdateException; |
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use Indigerd\Repository\Exception\DeleteException; |
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use Indigerd\Repository\Relation\Relation; |
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use yii\db\TableSchema; |
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class SqlTableGateway implements TableGatewayInterface |
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{ |
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protected $connection; |
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protected $queryFactory; |
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protected $collectionName; |
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protected $schemas = []; |
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public function __construct(Connection $connection, SqlQueryFactory $queryFactory, string $collectionName) |
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{ |
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$this->connection = $connection; |
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$this->queryFactory = $queryFactory; |
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$this->collectionName = $collectionName; |
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} |
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protected function getSchema($collectionName): TableSchema |
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{ |
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if (!isset($this->schemas[$collectionName])) { |
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$this->schemas[$collectionName] = $this->connection->getSchema()->getTableSchema($collectionName); |
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} |
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return $this->schemas[$collectionName]; |
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} |
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protected function getPrimaryKeys(): array |
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{ |
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return $this->getSchema($this->collectionName)->primaryKey; |
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} |
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public function queryOne(array $conditions, array $relations = []): ?array |
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{ |
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$select = [$this->collectionName . '.*']; |
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foreach ($relations as $relation) { |
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/** @var Relation $relation */ |
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$columns = $this->getSchema($relation->getRelatedCollection())->getColumnNames(); |
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foreach ($columns as $column) { |
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$select[] = $relation->getRelatedCollection() . '.' . $column . ' as ' . $relation->getRelatedCollection() . '_relation_' . $column; |
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} |
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} |
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/** @var Query $query */ |
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$query = $this->queryFactory->create(); |
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$query |
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->select(\implode(',', $select)) |
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->from($this->collectionName) |
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->where($conditions); |
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foreach ($relations as $relation) { |
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$joinCondition = $this->collectionName . '.' . $relation->getField() . '=' . $relation->getRelatedCollection() . '.' . $relation->getRelatedField(); |
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$query->join($relation->getRelationType() . ' join', $relation->getRelatedCollection(), $joinCondition); |
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} |
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$res = $query->one($this->connection); |
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return $res ? $res : null; |
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} |
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public function queryAll(array $conditions, array $order = [], int $limit = 0, int $offset = 0, array $relations = []): array |
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{ |
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$select = [$this->collectionName . '.*']; |
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foreach ($relations as $relation) { |
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/** @var Relation $relation */ |
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$columns = $this->getSchema($relation->getRelatedCollection())->getColumnNames(); |
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foreach ($columns as $column) { |
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$select[] = $relation->getRelatedCollection() . '.' . $column . ' as ' . $relation->getRelatedCollection() . '_relation_' . $column; |
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} |
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} |
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/** @var Query $query */ |
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$query = $this->queryFactory->create(); |
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$query |
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->select(\implode(',', $select)) |
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->from($this->collectionName) |
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->where($conditions); |
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if ($limit > 0) { |
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$query->limit($limit)->offset($offset); |
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} |
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if (!empty($order)) { |
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$query->orderBy($order); |
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} |
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foreach ($relations as $relation) { |
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$joinCondition = $this->collectionName . '.' . $relation->getField() . '=' . $relation->getRelatedCollection() . '.' . $relation->getRelatedField(); |
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$query->join($relation->getRelationType() . ' join', $relation->getRelatedCollection(), $joinCondition); |
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} |
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return $query->all($this->connection); |
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} |
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public function insert(array $data): ?array |
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{ |
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return $this->connection->schema->insert($this->collectionName, $data); |
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} |
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public function updateOne(array $data): void |
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{ |
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$primaryKeys = $this->getPrimaryKeys(); |
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$conditions = []; |
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foreach ($primaryKeys as $key) { |
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if (empty($data[$key])) { |
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throw new UpdateException($data, "Primary key $key not provided"); |
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} |
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$conditions[$key] = $data[$key]; |
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unset($data[$key]); |
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} |
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$this->updateAll($data, $conditions); |
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} |
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public function updateAll(array $data, array $conditions): int |
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{ |
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$command = $this->connection->createCommand(); |
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$command->update($this->collectionName, $data, $conditions); |
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return $command->execute(); |
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} |
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public function deleteOne(array $data): void |
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{ |
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$primaryKeys = $this->getPrimaryKeys(); |
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$conditions = []; |
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foreach ($primaryKeys as $key) { |
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if (empty($data[$key])) { |
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throw new DeleteException($data, "Primary key $key not provided"); |
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} |
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$conditions[$key] = $data[$key]; |
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} |
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$this->deleteAll($conditions); |
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} |
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public function deleteAll(array $conditions): int |
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{ |
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$command = $this->connection->createCommand(); |
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$command->delete($this->collectionName, $conditions); |
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return $command->execute(); |
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} |
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public function aggregate(string $expression, array $conditions): string |
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{ |
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/** @var Query $query */ |
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$query = $this->queryFactory->create(); |
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return (string)$query |
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->select(new Expression($expression)) |
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->from($this->collectionName) |
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->where($conditions) |
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->scalar($this->connection); |
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} |
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public function aggregateCount(string $field = '', array $conditions = []): string |
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{ |
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if (empty($field)) { |
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$field = '*'; |
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} |
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return $this->aggregate("COUNT($field)", $conditions); |
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} |
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public function aggregateSum(string $field, array $conditions = []): string |
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{ |
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return $this->aggregate("SUM($field)", $conditions); |
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} |
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public function aggregateAverage(string $field, array $conditions = []): string |
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{ |
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return $this->aggregate("AVG($field)", $conditions); |
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} |
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public function aggregateMin(string $field, array $conditions = []): string |
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{ |
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return $this->aggregate("MIN($field)", $conditions); |
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} |
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public function aggregateMax(string $field, array $conditions = []): string |
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{ |
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return $this->aggregate("MAX($field)", $conditions); |
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} |
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} |
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