feat : add Zimbra settings API (CRUD + test connection)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/State/ZimbraSettingsProcessor.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProcessorInterface;
+use App\ApiResource\ZimbraSettings;
+use App\Entity\ZimbraConfiguration;
+use App\Repository\ZimbraConfigurationRepository;
+use App\Service\TokenEncryptor;
+use Doctrine\ORM\EntityManagerInterface;
+
+final readonly class ZimbraSettingsProcessor implements ProcessorInterface
+{
+    public function __construct(
+        private EntityManagerInterface $em,
+        private ZimbraConfigurationRepository $configRepository,
+        private TokenEncryptor $tokenEncryptor,
+    ) {}
+
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): ZimbraSettings
+    {
+        assert($data instanceof ZimbraSettings);
+
+        $config = $this->configRepository->findSingleton();
+        if (null === $config) {
+            $config = new ZimbraConfiguration();
+        }
+
+        $config->setServerUrl($data->serverUrl);
+        $config->setUsername($data->username);
+        $config->setCalendarPath($data->calendarPath);
+        $config->setEnabled($data->enabled);
+
+        if (null !== $data->password && '' !== $data->password) {
+            $config->setEncryptedPassword($this->tokenEncryptor->encrypt($data->password));
+        }
+
+        $this->em->persist($config);
+        $this->em->flush();
+
+        $result               = new ZimbraSettings();
+        $result->serverUrl    = $config->getServerUrl();
+        $result->username     = $config->getUsername();
+        $result->calendarPath = $config->getCalendarPath();
+        $result->enabled      = $config->isEnabled();
+        $result->hasPassword  = $config->hasPassword();
+
+        return $result;
+    }
+}