2.0 RC 1 - new ConfigurationService (#3810)

* use html5 email validation
* remove static cache seed, for compatibility with non default (file based) caches
* added caching ConfigurationService, removed use of doctrine result cache
* simplify configuration API

src/Configuration/ConfigurationService.php

@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Configuration;
+
+use App\Entity\Configuration;
+use App\Form\Model\SystemConfiguration;
+use App\Repository\ConfigurationRepository;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Cache\ItemInterface;
+
+final class ConfigurationService implements ConfigLoaderInterface
+{
+    /**
+     * @var array<string, string|null>
+     */
+    private static array $cacheAll = [];
+    private static bool $initialized = false;
+
+    public function __construct(private ConfigurationRepository $configurationRepository, private CacheInterface $cache)
+    {
+    }
+
+    /**
+     * @return array<string, string|null>
+     */
+    public function getConfigurations(): array
+    {
+        if (self::$initialized === true) {
+            return self::$cacheAll;
+        }
+
+        self::$cacheAll = $this->cache->get('configurations', function (ItemInterface $item) {
+            $item->expiresAfter(86400); // one day
+
+            return $this->configurationRepository->getConfigurations();
+        });
+
+        self::$initialized = true;
+
+        return self::$cacheAll;
+    }
+
+    public function getConfiguration(string $name): ?Configuration
+    {
+        return $this->configurationRepository->findOneBy(['name' => $name]);
+    }
+
+    public function clearCache(): void
+    {
+        $this->cache->delete('configurations');
+        self::$initialized = false;
+    }
+
+    public function saveConfiguration(Configuration $configuration): void
+    {
+        $this->configurationRepository->saveConfiguration($configuration);
+        $this->clearCache();
+    }
+
+    public function saveSystemConfiguration(SystemConfiguration $model): void
+    {
+        $this->configurationRepository->saveSystemConfiguration($model);
+        $this->clearCache();
+    }
+}