energietracker/index.php at main · Bingerminger/energietracker · GitHub

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<?php
/**
 * Energietracker v1.3.0 — SPA shell.
 *
 * Layout: thin top bar + 220px left sidebar (v0.9.0-style),
 * main content area on the right. All rendering happens client-side
 * in /public/js/.
 */
declare(strict_types=1);

$version = trim((string)@file_get_contents(__DIR__ . '/VERSION')) ?: '1.3.0';
$cb = filemtime(__DIR__ . '/public/js/app.js') ?: time();

// N1009 — Sprache der Shell aus dem `language`-Setting ableiten, damit
// <html lang> und die serverseitig gerenderten Shell-Strings schon beim
// ersten Paint korrekt sind (vor dem JS-i18n-Init). Fallback: 'de'.
$lang = 'de';
// Unterstützte Sprachen datengetrieben aus der Registry (gleiche Quelle wie
// Frontend i18n.js und Backend I18nService).
$supportedLangs = ['de', 'en'];
$langsFile = __DIR__ . '/public/locales/languages.json';
if (is_file($langsFile)) {
    $reg = json_decode((string)@file_get_contents($langsFile), true);
    if (is_array($reg) && $reg !== []) {
        $supportedLangs = array_keys($reg);
    }
}
$dataDir = getenv('ET_DATA_DIR') ?: (__DIR__ . '/data');
$settingsFile = rtrim($dataDir, '/') . '/settings.json';
if (is_file($settingsFile)) {
    $s = json_decode((string)@file_get_contents($settingsFile), true);
    if (is_array($s) && in_array($s['language'] ?? '', $supportedLangs, true)) {
        $lang = $s['language'];
    }
}
$catalog = json_decode((string)@file_get_contents(__DIR__ . "/public/locales/$lang.json"), true) ?: [];
// Minimaler Katalog-Lookup für die wenigen Shell-Strings (Skip-Link, Nav-Label,
// Theme-Toggle, Lade-Text). Das volle t() läuft im Frontend.
$tShell = function (string $path, string $fallback) use ($catalog): string {
    $ref = $catalog;
    foreach (explode('.', $path) as $k) {
        if (!is_array($ref) || !array_key_exists($k, $ref)) return $fallback;
        $ref = $ref[$k];
    }
    return is_string($ref) ? $ref : $fallback;
};
$h = fn(string $v): string => htmlspecialchars($v, ENT_QUOTES);
?>
<!doctype html>
<html lang="<?= $h($lang) ?>">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="color-scheme" content="light dark">
<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#111827">
<meta name="theme-color" media="(prefers-color-scheme: light)" content="#ffffff">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Energietracker">
<link rel="manifest" href="manifest.webmanifest">
<title>Energietracker <?= htmlspecialchars($version, ENT_QUOTES) ?></title>
<link rel="icon" type="image/png" sizes="32x32" href="public/img/icon-light-32.png">
<link rel="icon" type="image/png" sizes="16x16" href="public/img/icon-light-16.png">
<link rel="shortcut icon" href="public/favicon.ico">
<link rel="apple-touch-icon" sizes="180x180" href="public/img/icon-light-180.png">
<!--
  Theme anti-flash. Läuft synchron vor dem CSS-Laden und setzt
  data-theme="light|dark" auf <html>, damit das Layout nicht erst dunkel
  rendert und dann auf hell umspringt (umgekehrt analog).
  Quelle der Wahrheit: localStorage["et-theme"] (vom Toggle gesetzt) →
  Fallback prefers-color-scheme → Fallback "dark".
-->
<script>
(function() {
  try {
    var saved = localStorage.getItem('et-theme');
    var theme = (saved === 'light' || saved === 'dark')
      ? saved
      : (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark');
    document.documentElement.setAttribute('data-theme', theme);
  } catch (e) {
    document.documentElement.setAttribute('data-theme', 'dark');
  }
})();
</script>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="public/css/tokens.css?v=<?= $cb ?>">
<link rel="stylesheet" href="public/css/app.css?v=<?= $cb ?>">
<link rel="stylesheet" href="public/css/components.css?v=<?= $cb ?>">
<link rel="stylesheet" href="public/css/readings-entry.css?v=<?= $cb ?>">
</head>
<body data-app-version="<?= $h($version) ?>">
<a class="skip-link" href="#view"><?= $h($tShell('app.skipToContent', 'Zum Hauptinhalt springen')) ?></a>
<div id="app" class="layout">

  <!-- Thin top bar -->
  <header class="topbar">
    <div class="topbar__brand">
      <span class="topbar__logo" aria-hidden="true"></span>
      <span class="topbar__title">ENERGIETRACKER</span>
      <span class="topbar__version">v<?= htmlspecialchars($version, ENT_QUOTES) ?></span>
    </div>
    <div class="topbar__actions">
      <button type="button" id="theme-toggle" class="topbar__btn" aria-label="<?= $h($tShell('app.themeToggle', 'Theme wechseln')) ?>" title="<?= $h($tShell('app.themeToggle', 'Theme wechseln')) ?>">
        <span class="topbar__btn-icon" aria-hidden="true"></span>
      </button>
      <div class="topbar__status" id="topbar-status" role="status" aria-live="polite"></div>
    </div>
  </header>

  <!-- Left sidebar -->
  <aside class="sidebar" id="sidebar">
    <nav class="sidebar__nav" id="primary-nav" aria-label="<?= $h($tShell('app.primaryNav', 'Hauptnavigation')) ?>">
      <div class="loading" role="status"><?= $h($tShell('common.loading', 'Lädt…')) ?></div>
    </nav>
    <div class="sidebar__footer">
      <a href="https://github.com/Bingerminger/energietracker" target="_blank" rel="noopener">GitHub</a>
      <span>·</span>
      <span>flat-file JSON</span>
    </div>
  </aside>

  <!-- Main content -->
  <main id="view" class="view" tabindex="-1"><div class="loading" role="status"><?= $h($tShell('common.loading', 'Lädt…')) ?></div></main>

  <div id="toast-stack" class="toast-stack" aria-live="polite"></div>
  <div id="modal-root"></div>
</div>

<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js"></script>
<script type="module" src="public/js/app.js?v=<?= $cb ?>"></script>
<!-- N1008 (PWA) — Service Worker registrieren. Inline (kein Modul), damit der
     relative Pfad 'sw.js' gegen die Dokument-URL (Web-Wurzel) auflöst und der
     Worker Root-Scope erhält. -->
<script>
  if ('serviceWorker' in navigator) {
    window.addEventListener('load', function () {
      navigator.serviceWorker.register('sw.js').catch(function () {});
    });
  }
</script>
</body>
</html>