Implement mysqldump/backup service/command

src/Service/BackupService.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Service;
+
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\Process\Process;
+
+class BackupService
+{
+    public function __construct(private DatabaseCredentials $credentials)
+    {
+    }
+
+    public function backup(string $db): string
+    {
+        $filesystem = new Filesystem();
+        $process = new Process([
+            'mysqldump',
+            '-B', $db,
+            '-u', $this->credentials->getUser(),
+        ]);
+        $process->setEnv(['MYSQL_PWD' => $this->credentials->getPassword()]);
+        $process->run();
+
+        $fileName = sprintf('%s_backup.sql', $db);
+        $filesystem->dumpFile($fileName, $process->getOutput());
+
+        return $fileName;
+    }
+}

src/Service/DatabaseService.php

@@ -4,7 +4,7 @@ namespace App\Service;
 
 use mysqli;
 
-class DatabaseManager
+class DatabaseService
 {
     private mysqli $conn;