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130 lines (105 loc) · 2.99 KB
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<?php
declare(strict_types = 1);
namespace PHPCensor;
/**
* @package PHP Censor
* @subpackage Application
*
* @author Dmitry Khomutov <poisoncorpsee@gmail.com>
*/
class DatabaseConnection
{
private ?\PDO $pdoConnection = null;
private string $dsn;
private ?string $username;
private ?string $password;
private ?array $options;
private string $sequencePattern;
public function __construct(
string $dsn,
?string $username = null,
?string $password = null,
?array $options = null,
string $sequencePattern = '%s_id_seq'
) {
$this->sequencePattern = $sequencePattern;
$this->dsn = $dsn;
$this->username = $username;
$this->password = $password;
$this->options = $options;
}
public function getPdo(): \PDO
{
if (null === $this->pdoConnection) {
$this->pdoConnection = new \PDO($this->dsn, $this->username, $this->password, $this->options);
}
return $this->pdoConnection;
}
public function setPdo(\PDO $pdoConnection): self
{
$this->pdoConnection = $pdoConnection;
return $this;
}
public function quoteNames(string $query): string
{
$driver = $this->getPdo()->getAttribute(\PDO::ATTR_DRIVER_NAME);
$pattern = '\1';
if (DatabaseManager::MYSQL_TYPE === $driver) {
$pattern = '`\1`';
} elseif (DatabaseManager::POSTGRESQL_TYPE === $driver) {
$pattern = '"\1"';
}
return \preg_replace('#{{(.*?)}}#m', $pattern, $query);
}
public function lastInsertId(string $tableName): int
{
if (DatabaseManager::POSTGRESQL_TYPE === $this->getPdo()->getAttribute(\PDO::ATTR_DRIVER_NAME)) {
return (int)$this->getPdo()->lastInsertId(\sprintf("\"{$this->sequencePattern}\"", $tableName));
}
return (int)$this->getPdo()->lastInsertId();
}
/**
* @param string $query
* @param array $options
*
* @return false|\PDOStatement
*/
public function prepare(string $query, array $options = [])
{
return $this->getPdo()->prepare($this->quoteNames($query), $options);
}
/**
* @param string $statement
*
* @return int|false
*/
public function exec(string $statement)
{
return $this->getPdo()->exec($this->quoteNames($statement));
}
/**
* @param string $statement
*
* @return false|\PDOStatement
*/
public function query(string $statement)
{
return $this->getPdo()->query($this->quoteNames($statement));
}
public function beginTransaction(): bool
{
return $this->getPdo()->beginTransaction();
}
public function commit(): bool
{
return $this->getPdo()->commit();
}
public function rollBack(): bool
{
return $this->getPdo()->rollBack();
}
public function inTransaction(): bool
{
return $this->getPdo()->inTransaction();
}
}