XBackBone/app/Database/DB.php
Sergio Brighenti 805d1d07a8 Initial commit
2018-04-28 14:20:07 +02:00

109 lines
No EOL
2.1 KiB
PHP

<?php
namespace App\Database;
use PDO;
class DB
{
/** @var DB */
protected static $instance;
/** @var string */
private static $password;
/** @var string */
private static $username;
/** @var PDO */
protected $pdo;
/** @var string */
protected static $dsn = 'database.db';
/** @var string */
protected $currentDriver;
public function __construct(string $dsn, $username, $password)
{
$this->pdo = new PDO($dsn, $username, $password);
$this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
$this->currentDriver = $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME);
if ($this->currentDriver === 'sqlite') {
$this->pdo->exec('PRAGMA foreign_keys = ON');
}
}
public function doQuery(string $query, $parameters = [])
{
if (!is_array($parameters)) {
$parameters = [$parameters];
}
$query = $this->pdo->prepare($query);
$query->execute($parameters);
return $query;
}
/**
* @return PDO
*/
public function getPdo(): PDO
{
return $this->pdo;
}
/**
* @return string
*/
public function getCurrentDriver(): string
{
return $this->currentDriver;
}
public static function query(string $query, $parameters = [])
{
if (self::$instance === null) {
self::$instance = new self(self::$dsn, self::$username, self::$password);
}
return self::$instance->doQuery($query, $parameters);
}
public static function driver(): string
{
if (self::$instance === null) {
self::$instance = new self(self::$dsn, self::$username, self::$password);
}
return self::$instance->getCurrentDriver();
}
public static function raw(): PDO
{
if (self::$instance === null) {
self::$instance = new self(self::$dsn, self::$username, self::$password);
}
return self::$instance->getPdo();
}
/**
* @param string $dsn
* @param string|null $username
* @param string|null $password
*/
public static function setDsn(string $dsn, string $username = null, string $password = null): void
{
self::$dsn = $dsn;
self::$username = $username;
self::$password = $password;
}
}