Add user creation and deletion

src/Console/CreateUserCommand.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Console;
+
+use App\Service\DatabaseService;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+
+#[AsCommand('user:create')]
+class CreateUserCommand extends Command
+{
+    public function __construct(
+        private readonly DatabaseService $db,
+    )
+    {
+        parent::__construct();
+    }
+
+    public function configure(): void
+    {
+        $this->addArgument('name', InputArgument::OPTIONAL, 'User name');
+        $this->addArgument('password', InputArgument::OPTIONAL, 'User password');
+        $this->addArgument('host', InputArgument::OPTIONAL, 'User host');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $question = $this->getHelper('question');
+
+        $name = $input->getArgument('name');
+        $password = $input->getArgument('password');
+        $host = $input->getArgument('host');
+
+        if (!$name) {
+            $name = $question->ask($input, $output, new Question('User name: '));
+        }
+        if (!$password) {
+            $passwordQuestion = new Question('User password: ');
+            $passwordQuestion->setHidden(true);
+            $password = $question->ask($input, $output, $passwordQuestion);
+        }
+
+        $this->db->createUser($name, $password, $host);
+
+        $output->writeln(sprintf('User "%s" successfully created', $name));
+
+        return Command::SUCCESS;
+    }
+}