Refactor Dsn class (#323)

CHANGELOG.md

@@ -14,6 +14,7 @@
 - New #318: Realize `ColumnBuilder` class (@Tigrov)
 - Enh #320: Update according changes in `ColumnSchemaInterface` (@Tigrov)
 - New #322: Add `ColumnDefinitionBuilder` class (@Tigrov)
+- Enh #323: Refactor `Dsn` class (@Tigrov)
 
 ## 1.2.0 March 21, 2024
 

src/Dsn.php

@@ -13,10 +13,7 @@
  */
 final class Dsn extends AbstractDsn
 {
-    /**
-     * @psalm-param string[] $options
-     */
-    public function __construct(private string $driver, private string|null $databaseName = null)
+    public function __construct(string $driver = 'sqlite', string|null $databaseName = null)
     {
         parent::__construct($driver, '', $databaseName);
     }
@@ -39,11 +36,14 @@ public function __construct(private string $driver, private string|null $databas
      */
     public function asString(): string
     {
-        return match ($this->databaseName) {
-            '' => $this->driver . ':',
-            'memory' => $this->driver . '::memory:',
-            null => $this->driver . ':',
-            default => $this->driver . ':' . $this->databaseName,
+        $driver = $this->getDriver();
+        $databaseName = $this->getDatabaseName();
+
+        return match ($databaseName) {
+            '' => "$driver:",
+            null => "$driver:",
+            'memory' => "$driver::memory:",
+            default => "$driver:$databaseName",
         };
     }
 }