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<?php |
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/** |
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* @file |
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*/ |
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namespace CultuurNet\UDB3\Event\ReadModel\Relations\Doctrine; |
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use CultuurNet\UDB3\Event\ReadModel\Relations\RepositoryInterface; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Schema\Schema; |
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class DBALRepository implements RepositoryInterface |
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{ |
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protected $tableName = 'event_relations'; |
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/** |
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* @var Connection |
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*/ |
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protected $connection; |
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/** |
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* @param Connection $connection |
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*/ |
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public function __construct(Connection $connection) |
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{ |
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$this->connection = $connection; |
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} |
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public function storeRelations($eventId, $placeId, $organizerId) |
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{ |
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$this->connection->beginTransaction(); |
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$insert = $this->prepareInsertStatement(); |
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$insert->bindValue('event', $eventId); |
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$insert->bindValue('place', $placeId); |
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$insert->bindValue('organizer', $organizerId); |
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$insert->execute(); |
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$this->connection->commit(); |
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} |
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public function removeOrganizer($eventId) |
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{ |
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$transaction = function ($connection) use ($eventId) { |
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if ($this->eventHasRelations($connection, $eventId)) { |
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$this->updateEventRelation($connection, $eventId, 'organizer', null); |
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} |
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}; |
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$this->connection->transactional($transaction); |
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} |
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public function storeOrganizer($eventId, $organizerId) |
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{ |
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$this->storeRelation($eventId, 'organizer', $organizerId); |
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} |
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public function storePlace($eventId, $placeId) |
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{ |
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$this->storeRelation($eventId, 'place', $placeId); |
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} |
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/** |
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* @param string $eventId |
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* @param string $relationType either 'place' or 'organizer' |
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* @param string $itemId |
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*/ |
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private function storeRelation($eventId, $relationType, $itemId) |
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{ |
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$transaction = function ($connection) use ($eventId, $relationType, $itemId) { |
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if ($this->eventHasRelations($connection, $eventId)) { |
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$this->updateEventRelation($connection, $eventId, $relationType, $itemId); |
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} else { |
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$this->createEventRelation($connection, $eventId, $relationType, $itemId); |
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} |
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}; |
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$this->connection->transactional($transaction); |
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} |
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/** |
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* @param Connection $connection |
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* @param string $eventId |
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* @param string $relationType |
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* @param string $itemId |
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*/ |
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private function createEventRelation( |
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Connection $connection, |
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$eventId, |
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$relationType, |
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$itemId |
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) { |
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$q = $connection |
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->createQueryBuilder() |
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->insert($this->tableName) |
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->values([ |
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'event' => ':event_id', |
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$relationType => ':item_id', |
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]) |
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->setParameter('event_id', $eventId) |
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->setParameter('item_id', $itemId); |
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$q->execute(); |
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} |
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/** |
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* @param Connection $connection |
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* @param string $eventId |
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* @param string $relationType |
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* @param string $itemId |
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*/ |
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private function updateEventRelation( |
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Connection $connection, |
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$eventId, |
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$relationType, |
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$itemId |
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) { |
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$q = $connection |
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->createQueryBuilder() |
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->update($this->tableName) |
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->where('event = :event_id') |
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->set($relationType, ':item_id') |
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->setParameter('event_id', $eventId) |
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->setParameter('item_id', $itemId); |
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$q->execute(); |
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} |
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/** |
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* @param Connection $connection |
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* @param string $id |
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* @return bool |
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*/ |
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private function eventHasRelations( |
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Connection $connection, |
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$id |
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) { |
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$q = $connection->createQueryBuilder(); |
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$q->select('1') |
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->from($this->tableName, 'relation') |
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->where('relation.event = :event_id') |
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->setParameter('event_id', $id); |
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$result = $q->execute(); |
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$relations = $result->fetchAll(); |
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return count($relations) > 0; |
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} |
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private function prepareInsertStatement() |
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{ |
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$table = $this->connection->quoteIdentifier($this->tableName); |
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return $this->connection->prepare( |
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"INSERT INTO {$table} SET |
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event = :event, |
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place = :place, |
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organizer = :organizer |
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ON DUPLICATE KEY UPDATE |
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place = :place, |
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organizer=:organizer" |
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); |
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} |
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View Code Duplication |
public function getEventsLocatedAtPlace($placeId) |
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{ |
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$q = $this->connection->createQueryBuilder(); |
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$q->select('event') |
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->from($this->tableName) |
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->where('place = ?') |
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->setParameter(0, $placeId); |
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$results = $q->execute(); |
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$events = array(); |
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while ($id = $results->fetchColumn(0)) { |
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$events[] = $id; |
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} |
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return $events; |
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} |
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View Code Duplication |
public function getEventsOrganizedByOrganizer($organizerId) |
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{ |
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$q = $this->connection->createQueryBuilder(); |
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$q |
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->select('event') |
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->from($this->tableName) |
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->where('organizer = ?') |
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->setParameter(0, $organizerId); |
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$results = $q->execute(); |
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$events = array(); |
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while ($id = $results->fetchColumn(0)) { |
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$events[] = $id; |
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} |
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return $events; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getPlaceOfEvent($eventId) |
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{ |
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return $this->getRelationOfEvent($eventId, 'place'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getOrganizerOfEvent($eventId) |
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{ |
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return $this->getRelationOfEvent($eventId, 'organizer'); |
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} |
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/** |
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* @param string $eventId |
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* @param string $eventType |
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* @return string|null |
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*/ |
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private function getRelationOfEvent($eventId, $eventType) |
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{ |
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$queryBuilder = $this->connection->createQueryBuilder(); |
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$queryBuilder->select(['place', 'organizer']) |
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->from($this->tableName) |
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->where('event = :eventId') |
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->setParameter(':eventId', $eventId); |
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$statement = $queryBuilder->execute(); |
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$rows = $statement->fetchAll(\PDO::FETCH_ASSOC); |
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return isset($rows[0][$eventType]) ? $rows[0][$eventType] : null; |
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} |
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View Code Duplication |
public function removeRelations($eventId) |
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{ |
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$q = $this->connection->createQueryBuilder(); |
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$q->delete($this->tableName) |
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->where('event = ?') |
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->setParameter(0, $eventId); |
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$q->execute(); |
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} |
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/** |
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* @param Schema $schema |
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* @return \Doctrine\DBAL\Schema\Table|null |
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*/ |
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public function configureSchema(Schema $schema) |
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{ |
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if ($schema->hasTable($this->tableName)) { |
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return null; |
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} |
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return $this->configureTable(); |
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} |
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public function configureTable() |
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{ |
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$schema = new Schema(); |
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$table = $schema->createTable($this->tableName); |
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$table->addColumn( |
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'event', |
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'string', |
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array('length' => 36, 'notnull' => false) |
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); |
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$table->addColumn( |
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'organizer', |
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'string', |
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array('length' => 36, 'notnull' => false) |
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); |
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$table->addColumn( |
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'place', |
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'string', |
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array('length' => 36, 'notnull' => false) |
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); |
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$table->setPrimaryKey(array('event')); |
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return $table; |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.