Add version numbers; make app title configurable

src/AppInfo.php

@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin;
+
+class AppInfo
+{
+    private const REPOSITORY_URL = 'https://git.0xbd.space/0xbd/mail-account-admin';
+
+    private string $title;
+    private string $version;
+
+    public function __construct(string $title, string $version)
+    {
+        $this->title = $title;
+        $this->version = $version;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function getVersion(): string
+    {
+        return $this->version;
+    }
+
+    public function getRepositoryUrl(): string
+    {
+        return self::REPOSITORY_URL;
+    }
+}

src/Dependencies.php

@@ -35,6 +35,18 @@ class Dependencies
         // App settings
         $container->set(self::SETTINGS, $settings);
 
+        // App information
+        $container->set(AppInfo::class, function (ContainerInterface $c) {
+            /** @var Settings $settings */
+            $settings = $c->get(self::SETTINGS);
+            $versionHelper = new VersionHelper();
+
+            return new AppInfo(
+                $settings->getAppTitle(),
+                $versionHelper->getAppVersion(),
+            );
+        });
+
         // Twig template engine
         $container->set(self::TWIG, function (ContainerInterface $c) {
             /** @var Settings $settings */
@@ -49,6 +61,10 @@ class Dependencies
             $coreExtension->setDateFormat($settings->getDateFormat());
             $coreExtension->setTimezone($settings->getTimezone());
 
+            // Add app information to globals
+            $appInfo = $c->get(AppInfo::class);
+            $twig->getEnvironment()->addGlobal('app_info', $appInfo);
+
             // Return Twig view
             return $twig;
         });

src/Frontend/BaseController.php

@@ -21,6 +21,7 @@ class BaseController
 
         // Register globals
         $twigEnv = $view->getEnvironment();
+        $twigEnv->addGlobal('logged_in', $userHelper->isLoggedIn());
         $twigEnv->addGlobal('current_user_name', $userHelper->isLoggedIn() ? $userHelper->getCurrentUser()->getUsername() : null);
     }
 

src/Settings.php

@@ -5,6 +5,11 @@ namespace MailAccountAdmin;
 
 class Settings
 {
+    public function getAppTitle(): string
+    {
+        return getenv('APP_TITLE') ?: 'MailAccountAdmin';
+    }
+
     public function isDebugMode(): bool
     {
         return getenv('APP_DEBUG') === 'true';

src/VersionHelper.php

@@ -0,0 +1,42 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin;
+
+class VersionHelper
+{
+    private string $version;
+
+    public function __construct()
+    {
+        $version = $this->loadFromVersionFile();
+        if (!empty($version)) {
+            $this->version = $version;
+        } elseif ($this->inDevelopmentMode()) {
+            $this->version = '[dev version]';
+        } else {
+            $this->version = '[undefined version]';
+        }
+    }
+
+    public function getAppVersion(): string
+    {
+        return $this->version;
+    }
+
+    private function loadFromVersionFile(): ?string
+    {
+        $versionFilePath = __DIR__ . '/../VERSION';
+
+        if (file_exists($versionFilePath)) {
+            $fileContent = file($versionFilePath);
+            return $fileContent[0] ?? null;
+        }
+        return null;
+    }
+
+    private function inDevelopmentMode(): bool
+    {
+        return getenv('APP_ENV') === 'development';
+    }
+}