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<?php |
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/** |
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* This class handles database connection. |
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* |
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* @package Ibonly\PotatoORM\DBConfig |
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* @author Ibraheem ADENIYI <[email protected]> |
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* @license MIT <https://opensource.org/licenses/MIT> |
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*/ |
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namespace Ibonly\PotatoORM; |
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use PDO; |
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use PDOException; |
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use Dotenv\Dotenv; |
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use Ibonly\PotatoORM\Inflector; |
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class DBConfig extends PDO |
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{ |
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protected $driver; |
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protected $host; |
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protected $dbname; |
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protected $port; |
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protected $user; |
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protected $password; |
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protected $sqlitePath; |
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/** |
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* Define the database connection |
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*/ |
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public function __construct() |
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{ |
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$this->loadEnv(); |
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$this->driver = getenv('DATABASE_DRIVER'); |
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$this->host = getenv('DATABASE_HOST'); |
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$this->dbname = getenv('DATABASE_NAME'); |
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$this->port = getenv('DATABASE_PORT'); |
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$this->user = getenv('DATABASE_USER'); |
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$this->password = getenv('DATABASE_PASSWORD'); |
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$this->sqlitePath = getenv('SQLITE_PATH'); |
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try |
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{ |
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if ($this->driver === 'pgsql' || $this->driver === 'postgres') |
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{ |
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parent::__construct($this->pgsqlConnectionString()); |
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} |
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elseif ($this->driver === 'mysql') |
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{ |
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parent::__construct($this->mysqlConnectionString(), $this->user, $this->password); |
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} |
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elseif($this->driver === 'sqlite') |
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{ |
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parent::__construct($this->sqlitConnectionString()); |
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} |
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} catch (PDOException $e) { |
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$e->getMessage(); |
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} |
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} |
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/** |
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* pgsqlConnectionString Postgres connection string |
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* |
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* @return string |
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*/ |
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protected function pgsqlConnectionString() |
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{ |
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return $this->driver . ':host=' . $this->host . ';port=' . $this->port . ';dbname=' . $this->dbname . ';user=' . $this->user . ';password=' . $this->password; |
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} |
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/** |
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* mysqlConnectionString Mysql connection string |
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* |
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* @return string |
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*/ |
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protected function mysqlConnectionString() |
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{ |
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return $this->driver . ':host=' . $this->host . ';dbname=' . $this->dbname . ';charset=utf8mb4'; |
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} |
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/** |
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* sqliteConnectionString Sqlite connection string |
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* |
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* @return string |
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*/ |
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protected function sqlitConnectionString() |
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{ |
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return $this->driver . ':' . $this->sqlitePath; |
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} |
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/** |
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* Load Dotenv to grant getenv() access to environment variables in .env file |
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*/ |
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protected function loadEnv() |
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{ |
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if( ! getenv("APP_ENV")) |
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{ |
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$dotenv = new Dotenv($_SERVER['DOCUMENT_ROOT']); |
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$dotenv->load(); |
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} |
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} |
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} |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: