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<?php |
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namespace Mado\QueryBundle\Queries; |
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use Doctrine\ORM\EntityManager; |
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use Mado\QueryBundle\Services\StringParser; |
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class JoinFactory |
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{ |
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private const AND_OPERATOR_LOGIC = 'AND'; |
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private const OR_OPERATOR_LOGIC = 'OR'; |
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private $parser; |
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private $entityName; |
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private $entityAlias; |
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private $manager; |
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private $innerJoin; |
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private $leftJoin; |
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private $joins; |
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private $relationEntityAlias; |
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public function __construct(string $entityName, string $entityAlias, EntityManager $manager) |
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{ |
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$this->parser = new StringParser(); |
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$this->entityName = $entityName; |
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$this->entityAlias = $entityAlias; |
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$this->manager = $manager; |
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$this->innerJoin = []; |
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$this->leftJoin = []; |
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$joins = []; |
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} |
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/** |
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* @param String $relation Nome della relazione semplice (groups.name) o con embedded (_embedded.groups.name) |
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* @return $this |
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*/ |
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public function join(String $relation, $logicOperator = self::AND_OPERATOR_LOGIC) |
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{ |
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$relation = explode('|', $relation)[0]; |
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$relations = [$relation]; |
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if (strstr($relation, '_embedded.')) { |
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$embeddedFields = explode('.', $relation); |
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$this->parser->camelize($embeddedFields[1]); |
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// elimino l'ultimo elemento che dovrebbe essere il nome del campo |
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unset($embeddedFields[count($embeddedFields) - 1]); |
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// elimino il primo elemento _embedded |
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unset($embeddedFields[0]); |
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$relations = $embeddedFields; |
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} |
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$entityName = $this->entityName; |
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$entityAlias = $this->entityAlias; |
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foreach ($relations as $relation) { |
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$relation = $this->parser->camelize($relation); |
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$relationEntityAlias = 'table_' . $relation; |
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$metadata = $this->manager->getClassMetadata($entityName); |
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if ($metadata->hasAssociation($relation)) { |
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$association = $metadata->getAssociationMapping($relation); |
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$fieldName = $this->parser->camelize($association['fieldName']); |
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if ($this->noExistsJoin($relationEntityAlias, $relation)) { |
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if ($logicOperator === self::AND_OPERATOR_LOGIC) { |
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$param = []; |
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$param['field'] = $entityAlias . "." . $fieldName; |
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$param['relation'] = $relationEntityAlias; |
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$this->innerJoin[] = $param; |
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} elseif ($logicOperator === self::OR_OPERATOR_LOGIC) { |
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$param = []; |
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$param['field'] = $entityAlias . "." . $fieldName; |
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$param['relation'] = $relationEntityAlias; |
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$this->leftJoin[] = $param; |
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} else { |
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throw new \Exception('Missing Logic operator'); |
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} |
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$this->storeJoin($relationEntityAlias, $relation); |
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} |
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$entityName = $association['targetEntity']; |
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$entityAlias = $relationEntityAlias; |
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} |
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$this->setRelationEntityAlias($relationEntityAlias); |
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} |
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return $this; |
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} |
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private function storeJoin($prevEntityAlias, $currentEntityAlias) |
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{ |
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$needle = $prevEntityAlias . '_' . $currentEntityAlias; |
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$this->joins[$needle] = $needle; |
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} |
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private function noExistsJoin($prevEntityAlias, $currentEntityAlias) |
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{ |
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if (null === $this->joins) { |
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$this->joins = []; |
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} |
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$needle = $prevEntityAlias . '_' . $currentEntityAlias; |
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return !in_array($needle, $this->joins); |
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} |
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public function getInnerJoin() :array |
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{ |
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return $this->innerJoin; |
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} |
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public function getLeftJoin() :array |
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{ |
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return $this->leftJoin; |
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} |
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private function setRelationEntityAlias(string $relationEntityAlias) |
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{ |
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$this->relationEntityAlias = $relationEntityAlias; |
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} |
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public function getRelationEntityAlias() |
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{ |
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return $this->relationEntityAlias; |
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} |
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} |
studiomado /
query-bundle
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