chillerlan\Database\Drivers\PDO\PDOFirebirdDriver

Complexity

Total Complexity

8

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	getDSN()	0	17	3
A	connect()	0	20	4
A	insertID()	0	3	1

<?php
/**
 * Class PDOFirebirdDriver
 *
 * @filesource   PDOFirebirdDriver.php
 * @created      04.11.2015
 * @package      chillerlan\Database\Drivers\PDO
 * @author       Smiley <smiley@chillerlan.net>
 * @copyright    2015 Smiley
 * @license      MIT
 */

namespace chillerlan\Database\Drivers\PDO;

use chillerlan\Database\DBException;
use chillerlan\Database\Drivers\DBDriverInterface;
use PDO;

/**
 * @todo: STRTOLOWER COLUMN NAMES
 */
class PDOFirebirdDriver extends PDODriverAbstract{

	/**
	 * The PDO drivername which is being used in the DSN
	 *
	 * @var string
	 */
	protected $drivername = 'firebird';

	/**
	 * Returns a DSN string using the given options
	 * @see http://php.net/manual/en/ref.pdo-firebird.connection.php
	 *
	 * @return string DSN
	 */
	protected function getDSN():string {
		$dsn = $this->drivername.':dbname=';

		if(!empty($this->options->host)){
			$dsn .= $this->options->host;

			if(is_numeric($this->options->port)){
				$dsn .= '/'.$this->options->port;
			}

			$dsn .= ':';
		}

		$dsn .= $this->options->database;

		return $dsn;
	}

	/**
	 * Establishes a database connection and returns the connection object
	 *
	 * @return \chillerlan\Database\Drivers\DBDriverInterface
	 * @throws \chillerlan\Database\DBException
	 */
	public function connect():DBDriverInterface{

		if($this->db instanceof PDO){
			return $this;
		}

		try{

			if(!is_file($this->options->database)){
				trigger_error('file not found');
			}

			$this->db = new PDO($this->getDSN(), $this->options->username, $this->options->password, $this->pdo_options);

			return $this;
		}
		catch(\Exception $e){
			throw new DBException('db error: [PDOFirebirdDriver]: '.$e->getMessage()); // @codeCoverageIgnore
		}
	}

	/**
	 * Returns the last insert id (if present)
	 *
	 * Firebird -> SQLSTATE[IM001]: driver does not support lastInsertId()
	 *
	 * @link http://php.net/manual/pdo.lastinsertid.php
	 * @return string
	 * @codeCoverageIgnore
	 */
	protected function insertID():string {
		return '';
	}

}