add projet

app/Http/Controllers/Api/TestDBController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use Illuminate\Support\Facades\DB;
+use Illuminate\Database\QueryException;
+use Symfony\Component\HttpFoundation\Response;
+
+class TestDBController extends BaseApiController
+{
+    public function index()
+    {
+        try {
+            $result = DB::select('SELECT 1 AS ok');
+            if (!empty($result)) {
+                return $this->success(['message' => 'Database connection is successful.'], 'Database check completed');
+            }
+
+            return $this->respondError('Database connection failed', Response::HTTP_INTERNAL_SERVER_ERROR);
+        } catch (QueryException $e) {
+            return $this->respondError(
+                'Database connection failed: ' . $e->getMessage(),
+                Response::HTTP_INTERNAL_SERVER_ERROR
+            );
+        }
+    }
+}