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<?php |
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namespace kalanis\kw_mapper\Mappers\Database; |
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use kalanis\kw_mapper\Interfaces\IQueryBuilder; |
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use kalanis\kw_mapper\MapperException; |
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use kalanis\kw_mapper\Mappers\Shared\TEntityChanged; |
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use kalanis\kw_mapper\Records\ARecord; |
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use kalanis\kw_mapper\Records\TFill; |
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use kalanis\kw_mapper\Storage\Database; |
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/** |
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* Trait TWriteDatabase |
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* @package kalanis\kw_mapper\Mappers\Database |
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* Separated write DB entry without need to reload mapper |
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* |
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* Contains only operations for writing into DB |
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*/ |
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trait TWriteDatabase |
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{ |
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use TEntityChanged; |
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use TFill; |
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/** @var string */ |
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protected $writeSource = ''; |
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/** @var Database\ASQL */ |
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protected $writeDatabase = null; |
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/** @var Database\Dialects\ADialect */ |
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protected $writeDialect = null; |
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/** @var Database\QueryBuilder */ |
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protected $writeQueryBuilder = null; |
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/** |
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* @throws MapperException |
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*/ |
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public function initTWriteDatabase(): void |
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{ |
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$this->writeDatabase = $this->getWriteDatabase(); |
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$this->writeDialect = $this->getWriteDialect($this->writeDatabase); |
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$this->writeQueryBuilder = $this->getWriteQueryBuilder($this->writeDialect); |
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} |
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protected function setWriteSource(string $writeSource): void |
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{ |
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$this->writeSource = $writeSource; |
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} |
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protected function getWriteSource(): string |
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{ |
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return $this->writeSource; |
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} |
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/** |
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* @throws MapperException |
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* @return Database\ADatabase |
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*/ |
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protected function getWriteDatabase(): Database\ADatabase |
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{ |
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return Database\DatabaseSingleton::getInstance()->getDatabase( |
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Database\ConfigStorage::getInstance()->getConfig($this->getWriteSource()) |
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); |
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} |
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/** |
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* @param Database\ADatabase $database |
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* @throws MapperException |
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* @return Database\Dialects\ADialect |
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*/ |
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protected function getWriteDialect(Database\ADatabase $database): Database\Dialects\ADialect |
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{ |
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return Database\Dialects\Factory::getInstance()->getDialectClass($database->languageDialect()); |
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} |
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protected function getWriteQueryBuilder(Database\Dialects\ADialect $dialect): Database\QueryBuilder |
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{ |
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return new Database\QueryBuilder($dialect); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function insertRecord(ARecord $record): bool |
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{ |
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$this->writeQueryBuilder->clear(); |
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$this->writeQueryBuilder->setBaseTable($record->getMapper()->getAlias()); |
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$relations = $record->getMapper()->getRelations(); |
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foreach ($record as $key => $item) { |
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if (isset($relations[$key]) && $this->ifEntryChanged($record->getEntry($key))) { |
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$this->writeQueryBuilder->addProperty( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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$item |
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); |
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} |
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} |
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if (empty($this->writeQueryBuilder->getProperties())) { |
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return false; |
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} |
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return $this->writeDatabase->exec( |
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strval($this->writeDialect->insert($this->writeQueryBuilder)), |
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$this->writeQueryBuilder->getParams() |
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); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function updateRecord(ARecord $record): bool |
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{ |
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if ($this->updateRecordByPk($record)) { |
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return true; |
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} |
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$this->writeQueryBuilder->clear(); |
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$this->writeQueryBuilder->setBaseTable($record->getMapper()->getAlias()); |
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$relations = $record->getMapper()->getRelations(); |
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foreach ($record as $key => $item) { |
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if (isset($relations[$key]) && $this->ifEntryChanged($record->getEntry($key))) { |
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if ($record->getEntry($key)->isFromStorage()) { |
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$this->writeQueryBuilder->addCondition( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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IQueryBuilder::OPERATION_EQ, |
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$item |
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); |
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} else { |
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$this->writeQueryBuilder->addProperty( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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$item |
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); |
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} |
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} |
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} |
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if (empty($this->writeQueryBuilder->getConditions())) { /// this one is questionable - I really want to update everything? |
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return false; |
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} |
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if (empty($this->writeQueryBuilder->getProperties())) { |
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return false; |
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} |
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return $this->writeDatabase->exec( |
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strval($this->writeDialect->update($this->writeQueryBuilder)), |
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$this->writeQueryBuilder->getParams() |
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); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function updateRecordByPk(ARecord $record): bool |
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{ |
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if (empty($record->getMapper()->getPrimaryKeys())) { |
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return false; |
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} |
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$this->writeQueryBuilder->clear(); |
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$this->writeQueryBuilder->setBaseTable($record->getMapper()->getAlias()); |
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$relations = $record->getMapper()->getRelations(); |
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foreach ($record->getMapper()->getPrimaryKeys() as $key) { |
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try { |
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if (isset($relations[$key])) { |
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$entry = $record->getEntry($key); |
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if ($entry->isFromStorage() && $this->ifEntryChanged($record->getEntry($key))) { |
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$this->writeQueryBuilder->addCondition( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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IQueryBuilder::OPERATION_EQ, |
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$entry->getData() |
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); |
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} |
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} |
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} catch (MapperException $ex) { |
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return false; |
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} |
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} |
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if (empty($this->writeQueryBuilder->getConditions())) { // no conditions, nothing in PKs - back to normal system |
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return false; |
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} |
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foreach ($record as $key => $item) { |
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if (isset($relations[$key])) { |
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$entry = $record->getEntry($key); |
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if ( |
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!in_array($key, $record->getMapper()->getPrimaryKeys()) |
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&& !$entry->isFromStorage() |
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&& $this->ifEntryChanged($record->getEntry($key)) |
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) { |
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$this->writeQueryBuilder->addProperty($record->getMapper()->getAlias(), $relations[$key], $item); |
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} |
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} |
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} |
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if (empty($this->writeQueryBuilder->getProperties())) { |
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return false; |
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} |
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return $this->writeDatabase->exec( |
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strval($this->writeDialect->update($this->writeQueryBuilder)), |
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$this->writeQueryBuilder->getParams() |
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); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function deleteRecord(ARecord $record): bool |
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{ |
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if ($this->deleteRecordByPk($record)) { |
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return true; |
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} |
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$this->writeQueryBuilder->clear(); |
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$this->writeQueryBuilder->setBaseTable($record->getMapper()->getAlias()); |
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$relations = $record->getMapper()->getRelations(); |
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foreach ($record as $key => $item) { |
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if (isset($relations[$key]) && $this->ifEntryChanged($record->getEntry($key))) { |
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$this->writeQueryBuilder->addCondition( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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IQueryBuilder::OPERATION_EQ, |
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$item |
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); |
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} |
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} |
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if (empty($this->writeQueryBuilder->getConditions())) { /// this one is necessary - delete everything? do it yourself - and manually! |
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return false; |
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} |
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return $this->writeDatabase->exec( |
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strval($this->writeDialect->delete($this->writeQueryBuilder)), |
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$this->writeQueryBuilder->getParams() |
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); |
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} |
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/** |
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* @param ARecord $record |
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* @throws MapperException |
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* @return bool |
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*/ |
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protected function deleteRecordByPk(ARecord $record): bool |
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{ |
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if (empty($record->getMapper()->getPrimaryKeys())) { |
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return false; |
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} |
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$this->writeQueryBuilder->clear(); |
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$this->writeQueryBuilder->setBaseTable($record->getMapper()->getAlias()); |
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$relations = $record->getMapper()->getRelations(); |
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foreach ($record->getMapper()->getPrimaryKeys() as $key) { |
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try { |
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if (isset($relations[$key]) && $this->ifEntryChanged($record->getEntry($key))) { |
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$this->writeQueryBuilder->addCondition( |
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$record->getMapper()->getAlias(), |
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$relations[$key], |
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IQueryBuilder::OPERATION_EQ, |
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$record->offsetGet($key) |
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); |
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} |
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} catch (MapperException $ex) { |
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return false; |
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} |
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} |
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7 |
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if (empty($this->writeQueryBuilder->getConditions())) { // no conditions, nothing in PKs - back to normal system |
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return false; |
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} |
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3 |
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return $this->writeDatabase->exec( |
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3 |
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strval($this->writeDialect->delete($this->writeQueryBuilder)), |
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3 |
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$this->writeQueryBuilder->getParams() |
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); |
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} |
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} |
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alex-kalanis /
kw_mapper
