web-base/Core/Elements/TemplateDocument.class.php

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<?php
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namespace Core\Elements;
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use Core\Objects\CustomTwigFunctions;
use Core\Objects\Router\DocumentRoute;
use Core\Objects\Router\Router;
use Core\Objects\Search\Searchable;
use Core\Objects\Search\SearchQuery;
use Core\Objects\Search\SearchResult;
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use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;
use Twig\Loader\FilesystemLoader;
class TemplateDocument extends Document {
private string $templateName;
protected array $parameters;
private Environment $twigEnvironment;
private FilesystemLoader $twigLoader;
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protected string $title;
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private static function getTemplatePaths(): array {
return [
implode(DIRECTORY_SEPARATOR, [WEBROOT, 'Site', 'Templates']),
implode(DIRECTORY_SEPARATOR, [WEBROOT, 'Core', 'Templates']),
];
}
private static function getTemplatePath(string $templateName): ?string {
foreach (self::getTemplatePaths() as $path) {
$filePath = implode(DIRECTORY_SEPARATOR, [$path, $templateName]);
if (is_file($filePath)) {
return $filePath;
}
}
return null;
}
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public function __construct(Router $router, string $templateName, array $params = []) {
parent::__construct($router);
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$this->title = "Untitled Document";
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$this->templateName = $templateName;
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$this->parameters = $params;
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$this->twigLoader = new FilesystemLoader(self::getTemplatePaths());
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$this->twigEnvironment = new Environment($this->twigLoader, [
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'cache' => WEBROOT . '/Site/Cache/Templates/',
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'auto_reload' => true
]);
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$this->twigEnvironment->addExtension(new CustomTwigFunctions());
}
public function getTitle(): string {
return $this->title;
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}
protected function getTemplateName(): string {
return $this->templateName;
}
protected function loadParameters() {
}
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protected function setTemplate(string $file) {
$this->templateName = $file;
}
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public function getCode(array $params = []): string {
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$this->loadParameters();
return $this->renderTemplate($this->templateName, $this->parameters);
}
public function renderTemplate(string $name, array $params = []): string {
try {
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$context = $this->getContext();
$session = $context->getSession();
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$settings = $this->getSettings();
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$language = $context->getLanguage();
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$captchaProvider = $settings->getCaptchaProvider();
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$urlParts = parse_url($this->getRouter()->getRequestedUri());
$params = array_replace_recursive([
"user" => [
"lang" => $language->getShortCode(),
"loggedIn" => $session !== null,
"session" => ($session ? [
"csrfToken" => $session->getCsrfToken()
] : null)
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],
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"site" => [
"name" => $settings->getSiteName(),
"url" => [
"base" => $settings->getBaseUrl(),
"path" => $urlParts["path"],
"query" => $urlParts["query"] ?? "",
"fragment" => $urlParts["fragment"] ?? ""
],
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"lastModified" => date(L('Y-m-d H:i:s'), @filemtime(self::getTemplatePath($name))),
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"registrationEnabled" => $settings->isRegistrationAllowed(),
"title" => $this->title,
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"captcha" => [
"provider" => $captchaProvider?->getName(),
"site_key" => $captchaProvider?->getSiteKey(),
"enabled" => $captchaProvider !== null,
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],
"csp" => [
"nonce" => $this->getCSPNonce(),
"enabled" => $this->isCSPEnabled()
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],
"language" => [
"code" => $language->getCode(),
"shortCode" => $language->getShortCode(),
"name" => $language->getName(),
"entries" => $language->getEntries()
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]
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]
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], $params);
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return $this->twigEnvironment->render($name, $params);
} catch (LoaderError | RuntimeError | SyntaxError $e) {
return "<b>Error rendering twig template: " . htmlspecialchars($e->getMessage()) . "</b>";
}
}
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protected function loadView(string $class): array {
$view = new $class($this);
$view->loadParameters($this->parameters);
if ($view->getTitle()) {
$this->title = $view->getTitle();
}
return $this->parameters;
}
public function doSearch(SearchQuery $query, DocumentRoute $route): array {
$this->loadParameters();
$viewParams = $this->parameters["view"] ?? [];
$siteTitle = $this->parameters["site"]["title"] ?? $this->title;
$results = Searchable::searchArray($viewParams, $query);
return array_map(function ($res) use ($siteTitle, $route) {
return new SearchResult($route->getUrl(), $siteTitle, $res["text"]);
}, $results);
}
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}