Show a notification on homepage and server info page if there is a new version available.

src/Services/System/UpdateAvailableManager.php

@@ -0,0 +1,108 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+
+namespace App\Services\System;
+
+use Shivas\VersioningBundle\Service\VersionManagerInterface;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Cache\ItemInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+use Version\Version;
+
+/**
+ * This class checks if a new version of Part-DB is available.
+ */
+class UpdateAvailableManager
+{
+
+    private const API_URL = 'https://api.github.com/repos/Part-DB/Part-DB-server/releases/latest';
+    private const CACHE_KEY = 'uam_latest_version';
+    private const CACHE_TTL = 60 * 60 * 24 * 2; // 2 day
+
+    public function __construct(private readonly HttpClientInterface $httpClient, private readonly CacheInterface $updateCache, private readonly VersionManagerInterface $versionManager)
+    {
+
+    }
+
+    /**
+     * Gets the latest version of Part-DB as string (e.g. "1.2.3").
+     * This value is cached for 2 days.
+     * @return string
+     */
+    public function getLatestVersionString(): string
+    {
+        return $this->getLatestVersionInfo()['version'];
+    }
+
+    /**
+     * Gets the latest version of Part-DB as Version object.
+     */
+    public function getLatestVersion(): Version
+    {
+        return Version::fromString($this->getLatestVersionString());
+    }
+
+    /**
+     * Gets the URL to the latest version of Part-DB on GitHub.
+     * @return string
+     */
+    public function getLatestVersionUrl(): string
+    {
+        return $this->getLatestVersionInfo()['url'];
+    }
+
+    /**
+     * Checks if a new version of Part-DB is available. This value is cached for 2 days.
+     * @return bool
+     */
+    public function isUpdateAvailable(): bool
+    {
+        $latestVersion = $this->getLatestVersion();
+        $currentVersion = $this->versionManager->getVersion();
+
+        return $latestVersion->isGreaterThan($currentVersion);
+    }
+
+    /**
+     * Get the latest version info. The value is cached for 2 days.
+     * @return array
+     * @phpstan-return array{version: string}
+     */
+    private function getLatestVersionInfo(): array
+    {
+        return $this->updateCache->get(self::CACHE_KEY, function (ItemInterface $item) {
+            $item->expiresAfter(self::CACHE_TTL);
+            $response = $this->httpClient->request('GET', self::API_URL);
+            $result = $response->toArray();
+            $tag_name = $result['tag_name'];
+
+            // Remove the leading 'v' from the tag name
+            $version = substr($tag_name, 1);
+
+            return [
+                'version' => $version,
+                'url' => $result['html_url'],
+            ];
+        });
+    }
+}