Presenter & others: injected services are readonly

Author: dg

src/Application/UI/Link.php

@@ -16,19 +16,11 @@
  */
 final class Link
 {
-	private Component $component;
-	private string $destination;
-	private array $params;
-
-
-	/**
-	 * Link specification.
-	 */
-	public function __construct(Component $component, string $destination, array $params = [])
-	{
-		$this->component = $component;
-		$this->destination = $destination;
-		$this->params = $params;
+	public function __construct(
+		private readonly Component $component,
+		private readonly string $destination,
+		private array $params = [],
+	) {
 	}
 
 

src/Application/UI/Presenter.php

@@ -104,13 +104,13 @@ abstract class Presenter extends Control implements Application\IPresenter
 	private bool $startupCheck = false;
 	private ?Nette\Application\Request $lastCreatedRequest;
 	private ?array $lastCreatedRequestFlag;
-	private Nette\Http\IRequest $httpRequest;
-	private Nette\Http\IResponse $httpResponse;
-	private ?Nette\Http\Session $session = null;
-	private ?Nette\Application\IPresenterFactory $presenterFactory = null;
-	private ?Nette\Routing\Router $router = null;
-	private ?Nette\Security\User $user = null;
-	private ?TemplateFactory $templateFactory = null;
+	private readonly Nette\Http\IRequest $httpRequest;
+	private readonly Nette\Http\IResponse $httpResponse;
+	private readonly ?Nette\Http\Session $session;
+	private readonly ?Nette\Application\IPresenterFactory $presenterFactory;
+	private readonly ?Nette\Routing\Router $router;
+	private readonly ?Nette\Security\User $user;
+	private readonly ?TemplateFactory $templateFactory;
 	private Nette\Http\UrlScript $refUrlCache;
 
 
@@ -806,7 +806,7 @@ protected function createRequest(
 				$presenter = $module . $sep . $presenter;
 			}
 
-			if (!$this->presenterFactory) {
+			if (empty($this->presenterFactory)) {
 				throw new Nette\InvalidStateException('Unable to create link to other presenter, service PresenterFactory has not been set.');
 			}
 
@@ -985,7 +985,7 @@ protected function requestToUrl(Application\Request $request, ?bool $relative =
 			$this->refUrlCache = new Http\UrlScript($url->getHostUrl() . $url->getScriptPath());
 		}
 
-		if (!$this->router) {
+		if (empty($this->router)) {
 			throw new Nette\InvalidStateException('Unable to generate URL, service Router has not been set.');
 		}
 
@@ -1374,11 +1374,8 @@ final public function injectPrimary(
 		?Http\Session $session = null,
 		?Nette\Security\User $user = null,
 		?TemplateFactory $templateFactory = null,
-	) {
-		if (isset($this->presenterFactory)) {
-			throw new Nette\InvalidStateException('Method ' . __METHOD__ . ' is intended for initialization and should not be called more than once.');
-		}
-
+	): void
+	{
 		$this->presenterFactory = $presenterFactory;
 		$this->router = $router;
 		$this->httpRequest = $httpRequest;
@@ -1403,7 +1400,7 @@ final public function getHttpResponse(): Http\IResponse
 
 	final public function getSession(?string $namespace = null): Http\Session|Http\SessionSection
 	{
-		if (!$this->session) {
+		if (empty($this->session)) {
 			throw new Nette\InvalidStateException('Service Session has not been set.');
 		}
 
@@ -1415,20 +1412,12 @@ final public function getSession(?string $namespace = null): Http\Session|Http\S
 
 	final public function getUser(): Nette\Security\User
 	{
-		if (!$this->user) {
-			throw new Nette\InvalidStateException('Service User has not been set.');
-		}
-
-		return $this->user;
+		return $this->user ?? throw new Nette\InvalidStateException('Service User has not been set.');
 	}
 
 
 	final public function getTemplateFactory(): TemplateFactory
 	{
-		if (!$this->templateFactory) {
-			throw new Nette\InvalidStateException('Service TemplateFactory has not been set.');
-		}
-
-		return $this->templateFactory;
+		return $this->templateFactory ?? throw new Nette\InvalidStateException('Service TemplateFactory has not been set.');
 	}
 }

src/Bridges/ApplicationLatte/SnippetRuntime.php

@@ -29,13 +29,13 @@ final class SnippetRuntime
 	private array $stack = [];
 	private int $nestingLevel = 0;
 	private bool $renderingSnippets = false;
-	private Control $control;
+
 	private ?\stdClass $payload;
 
 
-	public function __construct(Control $control)
-	{
-		$this->control = $control;
+	public function __construct(
+		private readonly Control $control,
+	) {
 	}
 
 

src/Bridges/ApplicationLatte/Template.php

@@ -18,13 +18,12 @@
  */
 class Template implements Nette\Application\UI\Template
 {
-	private Latte\Engine $latte;
 	private ?string $file = null;
 
 
-	public function __construct(Latte\Engine $latte)
-	{
-		$this->latte = $latte;
+	public function __construct(
+		private readonly Latte\Engine $latte,
+	) {
 	}