world-game/site/controllers/site.php

<?php

return function ($page, $kirby, $site) {
  $homePage = $site->find('home');
  $navPages = $homePage
    ? $site->pages()->listed()->prepend($homePage->id(), $homePage)
    : $site->pages()->listed();

  // Generic page data available in all templates
  $genericData = [
    'title' => $page->title()->value(),
    'url' => $page->url(),
    'uri' => $page->uri(),
    'template' => $page->intendedTemplate()->name(),
    'modified' => $page->modified('Y-m-d'),
    'site' => [
      'title' => $site->siteTitle()->value(),
      'url' => $site->url(),
      'logo' => $site->logo()->toFile()?->url(),
      'language' => $kirby->language()?->code() ?? 'fr',
      'languages' => $kirby->languages()->map(function($l) {
        return [
          'code' => $l->code(),
          'name' => $l->name()
        ];
      })->values(),
      'contact' => [
        'email'       => (string)$site->contactEmail()->value(),
        'address'     => (string)$site->contactAddress()->value(),
        'socials'     => $site->socialLinks()->toStructure()->map(function($item) {
          return [
            'label' => (string)$item->label()->value(),
            'url'   => (string)$item->url()->value(),
            'picto' => (string)$item->picto()->value(),
          ];
        })->values(),
        'legalNotice' => $site->legalNotices()->toFile()?->url(),
      ],
      'navigation' => $navPages->map(function($p) use ($kirby) {
        $titles = [];
        foreach ($kirby->languages() as $lang) {
          $titles[$lang->code()] = $p->content($lang->code())->title()->value();
        }
        if (empty($titles)) {
          $titles['fr'] = $p->title()->value();
        }
        return [
          'id' => $p->uid(),
          'url' => '/' . $p->uri(),
          'title' => $p->title()->value(),
          'titles' => $titles
        ];
      })->values()
    ]
  ];

  return [
    'genericData' => $genericData
  ];
};