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<?php |
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declare(strict_types=1); |
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namespace Scrawler\Arca; |
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class Database |
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{ |
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public \Doctrine\DBAL\Connection $connection; |
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public \Doctrine\DBAL\Platforms\AbstractPlatform $platform; |
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public \Doctrine\DBAL\Schema\AbstractSchemaManager $manager; |
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private Manager\TableManager $tableManager; |
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private Manager\RecordManager $recordManager; |
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private bool $isFroozen = false; |
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private static $instance; |
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private bool $useUUID = false; |
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public function __construct(array $connectionParams) |
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{ |
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$this->connection = \Doctrine\DBAL\DriverManager::getConnection($connectionParams); |
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$this->platform = $this->connection->getDatabasePlatform(); |
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$this->manager = $this->connection->createSchemaManager(); |
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$this->tableManager = new Manager\TableManager($this); |
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$this->recordManager = new Manager\RecordManager($this); |
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self::$instance = $this; |
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} |
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/** |
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* Executes an SQL query and returns the number of row affected |
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* |
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* @param string $sql |
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* @param array $params |
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* @return integer |
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*/ |
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public function exec(string $sql, array $params=array()): int |
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{ |
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return $this->connection->executeStatement($sql, $params); |
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} |
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/** |
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* Returns array of data from SQL select statement |
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* |
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* @param string $sql |
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* @param array $params |
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* @return array |
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*/ |
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public function getAll(string $sql, array $params=[]): array |
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{ |
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return $this->connection->executeQuery($sql, $params)->fetchAllAssociative(); |
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} |
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/** |
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* Creates model from name |
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* |
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* @param string $name |
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* @return \Scrawler\Arca\Model |
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*/ |
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public function create(string $name) : Model |
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{ |
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$model = new Model($name); |
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return $model; |
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} |
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/** |
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* Save model into database |
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* |
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* @param \Scrawler\Arca\Model $model |
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* @return mixed returns int for id and string for uuid |
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*/ |
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public function save(\Scrawler\Arca\Model $model) : mixed |
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{ |
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if ($model->hasForeign('oto')) { |
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$this->saveForeignOto($model); |
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} |
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$this->createTables($model); |
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$this->connection->beginTransaction(); |
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try { |
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$id = $this->createRecords($model); |
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$this->connection->commit(); |
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} catch (\Exception $e) { |
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$this->connection->rollBack(); |
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throw $e; |
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} |
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if ($model->hasForeign('otm')) { |
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$this->saveForeignOtm($model, $id); |
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} |
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if ($model->hasForeign('mtm')) { |
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$this->saveForeignMtm($model, $id); |
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} |
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return $id; |
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} |
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private function createTables($model) |
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{ |
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if (!$this->isFroozen) { |
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$table = $this->tableManager->createTable($model); |
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$this->tableManager->saveOrUpdateTable($model->getName(), $table); |
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} |
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} |
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private function createRecords($model) : mixed |
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{ |
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if ($model->isLoaded()) { |
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return $this->recordManager->update($model); |
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} |
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return $this->recordManager->insert($model); |
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} |
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/** |
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* Save One to One related model into database |
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*/ |
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private function saveForeignOto(\Scrawler\Arca\Model $model): void |
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{ |
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foreach ($model->getForeignModels('oto') as $foreign) { |
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$this->createTables($foreign); |
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} |
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$this->connection->beginTransaction(); |
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try { |
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foreach ($model->getForeignModels('oto') as $foreign) { |
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$id = $this->createRecords($foreign); |
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$name = $foreign->getName().'_id'; |
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$model->$name = $id; |
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} |
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$this->connection->commit(); |
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} catch (\Exception $e) { |
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$this->connection->rollBack(); |
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throw $e; |
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} |
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} |
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/** |
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* Save One to Many related model into database |
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*/ |
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private function saveForeignOtm(\Scrawler\Arca\Model $model, mixed $id): void |
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{ |
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foreach ($model->getForeignModels('otm') as $foreigns) { |
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foreach ($foreigns as $foreign) { |
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$key = $model->getName().'_id'; |
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$foreign->$key = $id; |
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$this->createTables($foreign); |
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} |
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} |
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$this->connection->beginTransaction(); |
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try { |
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foreach ($model->getForeignModels('otm') as $foreigns) { |
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foreach ($foreigns as $foreign) { |
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$this->createRecords($foreign); |
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} |
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} |
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$this->connection->commit(); |
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} catch (\Exception $e) { |
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$this->connection->rollBack(); |
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throw $e; |
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} |
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} |
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/** |
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* Save Many to Many related model into database |
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*/ |
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private function saveForeignMtm(\Scrawler\Arca\Model $model, mixed $id): void |
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{ |
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foreach ($model->getForeignModels('mtm') as $foreigns) { |
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foreach ($foreigns as $foreign) { |
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$model_id = $model->getName().'_id'; |
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$foreign_id = $foreign->getName().'_id'; |
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$relational_table = $this->create($model->getName().'_'.$foreign->getName()); |
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if ($this->isUsingUUID()) { |
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$relational_table->$model_id = ""; |
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$relational_table->$foreign_id = ""; |
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} else { |
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$relational_table->$model_id = 0; |
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$relational_table->$foreign_id = 0; |
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} |
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$this->createTables($relational_table); |
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$this->createTables($foreign); |
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} |
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} |
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$this->connection->beginTransaction(); |
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try { |
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foreach ($model->getForeignModels('mtm') as $foreigns) { |
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foreach ($foreigns as $foreign) { |
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$rel_id = $this->createRecords($foreign); |
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$model_id = $model->getName().'_id'; |
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$foreign_id = $foreign->getName().'_id'; |
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$relational_table = $this->create($model->getName().'_'.$foreign->getName()); |
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$relational_table->$model_id = $id; |
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$relational_table->$foreign_id = $rel_id; |
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$this->createRecords($relational_table); |
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} |
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} |
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$this->connection->commit(); |
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} catch (\Exception $e) { |
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$this->connection->rollBack(); |
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throw $e; |
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} |
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} |
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public function getTableManager() |
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{ |
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return $this->tableManager; |
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} |
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/** |
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* Delete record from database |
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* |
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* @param \Scrawler\Arca\Model $model |
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* @return mixed |
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*/ |
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public function delete(\Scrawler\Arca\Model $model) : mixed |
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{ |
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return $this->recordManager->delete($model); |
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} |
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/** |
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* Get single |
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* |
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* @param String $table |
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* @param mixed|null $id |
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* @return mixed |
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*/ |
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public function get(String $table, mixed $id=null) : mixed |
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{ |
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if (is_null($id)) { |
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print('Get All Called \r \n'); |
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return $this->recordManager->getAll($table); |
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} |
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$model = $this->create($table); |
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return $this->recordManager->getById($model, $id); |
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} |
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/** |
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* Returns QueryBuilder to build query for finding data |
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* Eg: db()->find('user')->where('active = 1')->get(); |
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* |
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* @param string $name |
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* @return QueryBuilder |
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*/ |
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public function find(string $name) : QueryBuilder |
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{ |
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return $this->recordManager->find($name); |
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} |
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/** |
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* Get current instance of database |
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* |
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* @return void |
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*/ |
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public static function getInstance() : Database |
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{ |
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return self::$instance; |
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} |
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public function freeze() : void |
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{ |
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$this->isFroozen = true; |
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} |
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public function useUUID() : void |
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{ |
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$this->useUUID = true; |
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} |
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public function useID() : void |
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{ |
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$this->useUUID = false; |
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} |
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public function isUsingUUID() : bool |
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{ |
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return $this->useUUID; |
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} |
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} |
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