Prevent using unavailable databases

.github/workflows/tests.yml

@@ -65,7 +65,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: dom, curl, libxml, mbstring, zip, fileinfo
+          extensions: dom, curl, libxml, mbstring, zip, fileinfo, sqlsrv, pdo, pdo_sqlsrv
           ini-values: error_reporting=E_ALL, memory_limit=512M
           tools: composer:v2
           coverage: none

src/NewCommand.php

@@ -448,29 +448,70 @@ protected function installJetstream(string $directory, InputInterface $input, Ou
      */
     protected function promptForDatabaseOptions(string $directory, InputInterface $input)
     {
-        $defaultDatabase = 'sqlite';
+        $defaultDatabase = collect(
+            $databaseOptions = $this->databaseOptions()
+        )->keys()->first();
 
         if (! $input->getOption('database') && $input->isInteractive()) {
             $input->setOption('database', select(
                 label: 'Which database will your application use?',
-                options: [
-                    'mysql' => 'MySQL',
-                    'mariadb' => 'MariaDB',
-                    'pgsql' => 'PostgreSQL',
-                    'sqlite' => 'SQLite',
-                    'sqlsrv' => 'SQL Server',
-                ],
-                default: $defaultDatabase
+                options: $databaseOptions,
+                default: $defaultDatabase,
+                validate: fn (string $engine) => ! $this->isDatabaseEngineAvailable($engine)
+                    ? 'You selected an engine with a missing PDO extension. Please select an available option.'
+                    : null
             ));
 
             if ($input->getOption('database') !== $defaultDatabase) {
-                $migrate = confirm(label: 'Default database updated. Would you like to run the default database migrations?', default: true);
+                $migrate = confirm(
+                    label: 'Default database updated. Would you like to run the default database migrations?',
+                    default: true
+                );
             }
         }
 
         return [$input->getOption('database') ?? $defaultDatabase, $migrate ?? false];
     }
 
+    /**
+     * Return the database options.
+     *
+     * @return array
+     */
+    public function databaseOptions(): array
+    {
+        return collect([
+            // Sequence is that of the default selected database option.
+            'sqlite' => 'SQLite',
+            'mysql' => 'MySQL',
+            'mariadb' => 'MariaDB',
+            'pgsql' => 'PostgreSQL',
+            'sqlsrv' => 'SQL Server',
+        ])->map(function ($label, $engine) {
+            return $this->isDatabaseEngineAvailable($engine)
+                ? $label
+                : "$label (Missing PDO extension)";
+        })->all();
+    }
+
+    /**
+     * Determine if the given database engine is available.
+     *
+     * @param  string  $engine
+     * @return bool
+     */
+    public function isDatabaseEngineAvailable(string $engine): bool
+    {
+        return match ($engine) {
+            'mysql',
+            'mariadb' => extension_loaded('pdo_mysql'),
+            'pgsql' => extension_loaded('pdo_pgsql'),
+            'sqlite' => extension_loaded('pdo_sqlite'),
+            'sqlsrv' => extension_loaded('pdo_sqlsrv'),
+            default => false,
+        };
+    }
+
     /**
      * Determine the stack for Breeze.
      *