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

src/Controller/HomepageController.php

@@ -25,6 +25,7 @@ namespace App\Controller;
 use App\DataTables\LogDataTable;
 use App\Entity\Parts\Part;
 use App\Services\Misc\GitVersionInfo;
+use App\Services\System\UpdateAvailableManager;
 use Doctrine\ORM\EntityManagerInterface;
 use const DIRECTORY_SEPARATOR;
 use Omines\DataTablesBundle\DataTableFactory;
@@ -62,7 +63,8 @@ class HomepageController extends AbstractController
     }
 
     #[Route(path: '/', name: 'homepage')]
-    public function homepage(Request $request, GitVersionInfo $versionInfo, EntityManagerInterface $entityManager): Response
+    public function homepage(Request $request, GitVersionInfo $versionInfo, EntityManagerInterface $entityManager,
+    UpdateAvailableManager $updateAvailableManager): Response
     {
         if ($this->isGranted('@tools.lastActivity')) {
             $table = $this->dataTable->createFromType(
@@ -97,6 +99,9 @@ class HomepageController extends AbstractController
             'git_commit' => $versionInfo->getGitCommitHash(),
             'show_first_steps' => $show_first_steps,
             'datatable' => $table,
+            'new_version_available' => $updateAvailableManager->isUpdateAvailable(),
+            'new_version' => $updateAvailableManager->getLatestVersionString(),
+            'new_version_url' => $updateAvailableManager->getLatestVersionUrl(),
         ]);
     }
 }

src/Controller/ToolsController.php

@@ -28,6 +28,7 @@ use App\Services\Attachments\AttachmentURLGenerator;
 use App\Services\Attachments\BuiltinAttachmentsFinder;
 use App\Services\Misc\GitVersionInfo;
 use App\Services\Misc\DBInfoHelper;
+use App\Services\System\UpdateAvailableManager;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;
@@ -47,7 +48,7 @@ class ToolsController extends AbstractController
 
     #[Route(path: '/server_infos', name: 'tools_server_infos')]
     public function systemInfos(GitVersionInfo $versionInfo, DBInfoHelper $DBInfoHelper,
-        AttachmentSubmitHandler $attachmentSubmitHandler): Response
+        AttachmentSubmitHandler $attachmentSubmitHandler, UpdateAvailableManager $updateAvailableManager): Response
     {
         $this->denyAccessUnlessGranted('@system.server_infos');
 
@@ -90,6 +91,11 @@ class ToolsController extends AbstractController
             'db_size' => $DBInfoHelper->getDatabaseSize(),
             'db_name' => $DBInfoHelper->getDatabaseName() ?? 'Unknown',
             'db_user' => $DBInfoHelper->getDatabaseUsername() ?? 'Unknown',
+
+            //New version section
+            'new_version_available' => $updateAvailableManager->isUpdateAvailable(),
+            'new_version' => $updateAvailableManager->getLatestVersionString(),
+            'new_version_url' => $updateAvailableManager->getLatestVersionUrl(),
         ]);
     }
 

src/Entity/UserSystem/PermissionData.php

@@ -43,7 +43,7 @@ final class PermissionData implements \JsonSerializable
     /**
      * The current schema version of the permission data
      */
-    public const CURRENT_SCHEMA_VERSION = 2;
+    public const CURRENT_SCHEMA_VERSION = 3;
 
     /**
      * Creates a new Permission Data Instance using the given data.

src/Helpers/TrinaryLogicHelper.php

@@ -0,0 +1,106 @@
+<?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\Helpers;
+
+/**
+ * Helper functions for logic operations with trinary logic.
+ * True and false are represented as classical boolean values, undefined is represented as null.
+ */
+class TrinaryLogicHelper
+{
+
+    /**
+     * Implements the trinary logic NOT.
+     * @param  bool|null  $a
+     * @return bool|null
+     */
+    public static function not(?bool $a): ?bool
+    {
+        if ($a === null) {
+            return null;
+        }
+        return !$a;
+    }
+
+
+    /**
+     * Returns the trinary logic OR of the given parameters. At least one parameter is required.
+     * @param  bool|null  ...$args
+     * @return bool|null
+     */
+    public static function or(?bool ...$args): ?bool
+    {
+        if (count($args) === 0) {
+            throw new \LogicException('At least one parameter is required.');
+        }
+
+        // The trinary or is the maximum of the integer representation of the parameters.
+        return self::intToBool(
+            max(array_map(self::boolToInt(...), $args))
+        );
+    }
+
+    /**
+     * Returns the trinary logic AND of the given parameters. At least one parameter is required.
+     * @param  bool|null  ...$args
+     * @return bool|null
+     */
+    public static function and(?bool ...$args): ?bool
+    {
+        if (count($args) === 0) {
+            throw new \LogicException('At least one parameter is required.');
+        }
+
+        // The trinary and is the minimum of the integer representation of the parameters.
+        return self::intToBool(
+            min(array_map(self::boolToInt(...), $args))
+        );
+    }
+
+    /**
+     * Convert the trinary bool to an integer, where true is 1, false is -1 and null is 0.
+     * @param  bool|null  $a
+     * @return int
+     */
+    private static function boolToInt(?bool $a): int
+    {
+        if ($a === null) {
+            return 0;
+        }
+        return $a ? 1 : -1;
+    }
+
+    /**
+     * Convert the integer to a trinary bool, where 1 is true, -1 is false and 0 is null.
+     * @param  int  $a
+     * @return bool|null
+     */
+    private static function intToBool(int $a): ?bool
+    {
+        if ($a === 0) {
+            return null;
+        }
+        return $a > 0;
+    }
+}

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'],
+            ];
+        });
+    }
+}

src/Services/UserSystem/PermissionPresetsHelper.php

@@ -107,6 +107,8 @@ class PermissionPresetsHelper
 
         //Allow to manage Oauth tokens
         $this->permissionResolver->setPermission($perm_holder, 'system', 'manage_oauth_tokens', PermissionData::ALLOW);
+        //Allow to show updates
+        $this->permissionResolver->setPermission($perm_holder, 'system', 'show_updates', PermissionData::ALLOW);
 
     }
 

src/Services/UserSystem/PermissionSchemaUpdater.php

@@ -25,6 +25,7 @@ namespace App\Services\UserSystem;
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\PermissionData;
 use App\Entity\UserSystem\User;
+use App\Helpers\TrinaryLogicHelper;
 use App\Security\Interfaces\HasPermissionsInterface;
 
 /**
@@ -138,4 +139,22 @@ class PermissionSchemaUpdater
             $holder->getPermissions()->removePermission('devices');
         }
     }
+
+    private function upgradeSchemaToVersion3(HasPermissionsInterface $holder): void //@phpstan-ignore-line This is called via reflection
+    {
+        $permissions = $holder->getPermissions();
+
+        //If the system.show_updates permission is not defined yet, set it to true, if the user can view server info, server logs or edit users or groups
+        if (!$permissions->isPermissionSet('system', 'show_updates')) {
+
+            $new_value = TrinaryLogicHelper::or(
+                $permissions->getPermissionValue('system', 'server_infos'),
+                $permissions->getPermissionValue('system', 'show_logs'),
+                $permissions->getPermissionValue('users', 'edit'),
+                $permissions->getPermissionValue('groups', 'edit')
+            );
+
+            $permissions->setPermissionValue('system', 'show_updates', $new_value);
+        }
+    }
 }