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<?php |
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declare(strict_types=1); |
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namespace Atlance\HttpDbalFilter\Query\Expression; |
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use Atlance\HttpDbalFilter\Utils\CacheKeyGenerator; |
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use Doctrine\DBAL\Query\QueryBuilder; |
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use Psr\SimpleCache\CacheInterface; |
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final class ConditionFactory implements Contract\ConditionFactoryInterface |
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{ |
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private const CACHE_KEY = 'http_dbal_filter_condition'; |
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public function __construct(private readonly ?CacheInterface $cache = null) |
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{ |
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} |
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public function create(QueryBuilder $qb, string $tableAliasAndColumnName, string $expr): Condition |
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{ |
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[$cacheKey,] = CacheKeyGenerator::generate(self::CACHE_KEY, $tableAliasAndColumnName, ['expr' => $expr]); |
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/** @var Condition|null $condition */ |
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$condition = $this->cache?->get($cacheKey); |
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if ($condition instanceof Condition) { |
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return $condition; |
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} |
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foreach ($this->getTableAliases($qb) as $tableName => $alias) { |
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if (0 === strncasecmp($tableAliasAndColumnName, $alias . '_', mb_strlen($alias . '_'))) { |
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$columnName = mb_substr($tableAliasAndColumnName, mb_strlen($alias . '_')); |
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$columns = $this->getColumnsNamesByTable($qb, $tableName); |
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if (!\in_array($columnName, $columns, true)) { |
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throw new \InvalidArgumentException(sprintf('%s not exist in %s.', $columnName, $tableName)); |
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} |
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$condition = new Condition($expr, $alias, $columnName); |
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$this->cache?->set($cacheKey, $condition); |
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return $condition; |
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} |
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} |
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throw new \InvalidArgumentException($tableAliasAndColumnName . ' not allowed'); |
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} |
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/** |
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* @return array<string,string> |
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*/ |
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private function getTableAliases(QueryBuilder $qb): array |
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{ |
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$aliases = []; |
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/** @var array<int,array{alias:string,table:string}> $from */ |
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$from = $qb->getQueryPart('from'); |
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foreach ($from as $item) { |
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if (!\in_array($item['alias'], $aliases, true)) { |
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$aliases[$item['table']] = $item['alias']; |
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} |
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} |
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/** @var array<int,array<int,array{joinTable:string,joinAlias:string}>> $joins */ |
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$joins = $qb->getQueryPart('join'); |
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foreach ($joins as $items) { |
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foreach ($items as $item) { |
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$aliases[$item['joinTable']] = $item['joinAlias']; |
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} |
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} |
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return $aliases; |
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} |
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private function getColumnsNamesByTable(QueryBuilder $qb, string $tableName): array |
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{ |
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return array_keys($qb->getConnection()->getSchemaManager()->listTableColumns($tableName)); |
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} |
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} |
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atlance /
http-doctrine-dbal-filter
