GraphAware\Neo4j\OGM\Repository\BaseRepository::findBy PHP Метод

    public function findBy($key, $value, $isId = false)
    {
        $label = $this->classMetadata->getLabel();
        $idId = $isId ? 'id(n)' : sprintf('n.%s', $key);
        $query = sprintf('MATCH (n:%s) WHERE %s = {%s}', $label, $idId, $key);
        /** @var \GraphAware\Neo4j\OGM\Metadata\RelationshipMetadata[] $associations */
        $associations = $this->classMetadata->getNonLazyRelationships();
        $assocReturns = [];
        foreach ($associations as $identifier => $association) {
            $type = $association->isRelationshipEntity() ? $this->entityManager->getRelationshipEntityMetadata($association->getRelationshipEntityClass())->getType() : $association->getType();
            switch ($association->getDirection()) {
                case 'INCOMING':
                    $relStr = '<-[rel_%s:%s]-';
                    break;
                case 'OUTGOING':
                    $relStr = '-[rel_%s:%s]->';
                    break;
                default:
                    $relStr = '-[rel_%s:%s]-';
                    break;
            }
            $relationshipIdentifier = sprintf('%s_%s', strtolower($association->getPropertyName()), strtolower($type));
            $relQueryPart = sprintf($relStr, $relationshipIdentifier, $type);
            $query .= PHP_EOL;
            $query .= 'OPTIONAL MATCH (n)' . $relQueryPart . '(' . $association->getPropertyName() . ')';
            $query .= ' WITH n, ';
            $query .= implode(', ', $assocReturns);
            if (!empty($assocReturns)) {
                $query .= ', ';
            }
            $relid = 'rel_' . $relationshipIdentifier;
            if ($association->hasOrderBy()) {
                $orderProperty = $association->getPropertyName() . '.' . $association->getOrderByPropery();
                if ($association->isRelationshipEntity()) {
                    $reMetadata = $this->entityManager->getRelationshipEntityMetadata($association->getRelationshipEntityClass());
                    $split = explode('.', $association->getOrderByPropery());
                    if (count($split) > 1) {
                        $reName = $split[0];
                        $v = $split[1];
                        if ($reMetadata->getStartNodePropertyName() === $reName || $reMetadata->getEndNodePropertyName() === $reName) {
                            $orderProperty = $association->getPropertyName() . '.' . $v;
                        }
                    } else {
                        if (null !== $reMetadata->getPropertyMetadata($association->getOrderByPropery())) {
                            $orderProperty = $relid . '.' . $association->getOrderByPropery();
                        }
                    }
                }
                $query .= $relid . ', ' . $association->getPropertyName() . ' ORDER BY ' . $orderProperty . ' ' . $association->getOrder();
                $query .= PHP_EOL;
                $query .= ' WITH n, ';
                $query .= implode(', ', $assocReturns);
                if (!empty($assocReturns)) {
                    $query .= ', ';
                }
            }
            if ($association->isCollection() || $association->isRelationshipEntity()) {
                $query .= sprintf(' CASE count(%s) WHEN 0 THEN [] ELSE collect({start:startNode(%s), end:endNode(%s), rel:%s}) END as %s', $relid, $relid, $relid, $relid, $relid);
                $assocReturns[] = $relid;
            } else {
                $query .= $association->getPropertyName();
                $assocReturns[] = $association->getPropertyName();
            }
        }
        $query .= PHP_EOL;
        $query .= 'RETURN n';
        if (!empty($assocReturns)) {
            $query .= ', ' . implode(', ', $assocReturns);
        }
        //print_r($query);
        $parameters = [$key => $value];
        $result = $this->entityManager->getDatabaseDriver()->run($query, $parameters);
        return $this->hydrateResultSet($result);
    }