Question Help with a custom Privacy Policy module

return view('modules/privacy-policy/footer', [ 'tree' => $tree, 'uses_analytics' => $this->analyticsModules($tree, $user)->isNotEmpty(), ]);

<p class="cookie-statement"> <php if ($uses_analytics) : ?> Hey - we use analytics cookies <?php else : ?> OK - no cookies here <?php endif ?> </p>

    public function getFooter(ServerRequestInterface $request): string     {         $tree = $request->getAttribute('tree');         $url = route('module', [             'module' => $this->name(),             'action' => 'Page',             'tree'   => $tree ? $tree->name() : null,         ]);         return view($this->name() . '::footer', [              'url'            => $url,              'tree'           => $tree,              'uses_analytics' => $this->analyticsModules($tree, $user)->isNotEmpty(),         ]);

public function __construct(ModuleService $module_service, UserService $user_service)  {        $this->module_service = $module_service;        $this->user_service   = $user_service;  }

$module_service = Registry::container()->get(ModuleService::class); $user_service = Registry::container()->get(UserService::class);

<?php /**  * Custom "Privacy Policy" Footer, with a link to the policy statement.  * based on ~/app/Module/PrivacyPolicy.php and footer.phtml and page.phtml  * from ~/resources/views/modules/privacy-policy\*.phtml  */ declare(strict_types=1); namespace wishfulNamespace; use Fisharebest\Webtrees\Contracts\UserInterface; use Fisharebest\Webtrees\Services\ModuleService; use Fisharebest\Webtrees\Services\UserService; use Fisharebest\Webtrees\Tree; use Fisharebest\Webtrees\Validator; use Illuminate\Support\Collection; use Psr\Http\Message\ResponseInterface; use Psr\Http\Message\ServerRequestInterface; use Fisharebest\Webtrees\Module\AbstractModule; use Fisharebest\Webtrees\Module\ModuleCustomInterface; use Fisharebest\Webtrees\Module\ModuleCustomTrait; use Fisharebest\Webtrees\Module\ModuleFooterInterface; use Fisharebest\Webtrees\Module\ModuleFooterTrait; use Fisharebest\Webtrees\View; use Fisharebest\Webtrees\Module\ModuleAnalyticsInterface; use Fisharebest\Webtrees\Module\ModuleAnalyticsTrait; use Fisharebest\Webtrees\Registry; /**  * Class PrivacyPolicy - to comply with the GDPR and similar local laws.  */ class wishfulPrivacy extends AbstractModule implements ModuleCustomInterface, ModuleFooterInterface {     use ModuleCustomTrait;     use ModuleFooterTrait;     use ModuleAnalyticsTrait;     private ModuleService $module_service;     private UserService $user_service;          private bool $noLink = false; /**  * @return string */     public function title(): string     {         return ('Wishful Thinking&#039;s Privacy Policy');     } // ----------------------------------------------------------------------- /**   * Bootstrap the module */     public function boot(): void     {         $this->module_service = Registry::container()->get(ModuleService::class);         $this->user_service = Registry::container()->get(UserService::class); // ------------------------------------ Register a namespace for our views         View::registerNamespace($this->name(), $this->resourcesFolder() . 'views/');     } // ----------------------------------------------------------------------- /**   * A sentence describing what this module does.   *   * @return string */     public function description(): string     {         return ('This module provides an alternative Privacy Policy');     } // ----------------------------------------------------------------------- /**  * Where does this module store its resources  *  * @return string */     public function resourcesFolder(): string     {         return __DIR__ . '/resources/';     } // ----------------------------------------------------------------------- /**   * A footer, to be added at the bottom of every page.   *   * @param ServerRequestInterface $request   *   * @return string */     public function getFooter(ServerRequestInterface $request): string     { // ---- some other modules load as $tree = $request->getAttribute('tree'); // --------------------------- and $user = $request->getAttribute('user'); // ---------------- I don't know whether they would give different results         $tree = Validator::attributes($request)->treeOptional();         $user = Validator::attributes($request)->user(); // ------- I don't know why Greg includes this test, but must be important         if ($tree === null) {             return '';         }         $url = route('module', [             'module' => $this->name(),             'action' => 'Page',             'tree'   => $tree ? $tree->name() : null,         ]);         return view($this->name() . '::footer', [             'url'            => $url,             'tree'           => $tree,             'uses_analytics' => $this->analyticsModules($tree, $user)->isNotEmpty(),             'nolink'         => $this->noLink,         ]);     } // ----------------------------------------------------------------------- /**   * Generate the page that will be shown when we click the link in the footer.   *   * @param ServerRequestInterface $request   *   * @return ResponseInterface */     public function getPageAction(ServerRequestInterface $request): ResponseInterface     { // -------------------- see above, getFooter() for alternative invocations         $tree = Validator::attributes($request)->tree();         $user = Validator::attributes($request)->user();         $title = 'Wishful Thinking Privacy Policy';         $this->noLink = true; // ----- I don't need all these parameters - they are here for consistency         return $this->viewResponse($this->name() . '::page', [             'administrators' => $this->user_service->administrators(),             'analytics'      => $this->analyticsModules($tree, $user),             'title'          => $title,             'tree'           => $tree,         ]);     } // ----------------------------------------------------------------------- /**   * @param Tree          $tree   * @param UserInterface $user   *   * @return Collection<int,ModuleAnalyticsInterface> */     protected function analyticsModules(Tree $tree, UserInterface $user): Collection     {         return $this->module_service             ->findByComponent(ModuleAnalyticsInterface::class, $tree, $user)                 ->filter(static fn (ModuleAnalyticsInterface $module): bool => $module->isTracker());     } }; // -----------------------------------------------------------------------