fix: Add check if collabora supports template filling

lib/Listener/FileCreatedFromTemplateListener.php

@@ -9,6 +9,7 @@
 
 namespace OCA\Richdocuments\Listener;
 
+use OCA\Richdocuments\Service\CapabilitiesService;
 use OCA\Richdocuments\Service\TemplateFieldService;
 use OCA\Richdocuments\TemplateManager;
 use OCP\EventDispatcher\Event;
@@ -17,17 +18,12 @@
 
 /** @template-implements IEventListener<Event|FileCreatedFromTemplateEvent> */
 class FileCreatedFromTemplateListener implements IEventListener {
-	/** @var TemplateManager */
-	private $templateManager;
-	/** @var TemplateFieldService */
-	private $templateFieldService;
 
 	public function __construct(
-		TemplateManager $templateManager,
-		TemplateFieldService $templateFieldService
+		private TemplateManager $templateManager,
+		private TemplateFieldService $templateFieldService,
+		private CapabilitiesService $capabilitiesService,
 	) {
-		$this->templateManager = $templateManager;
-		$this->templateFieldService = $templateFieldService;
 	}
 
 	public function handle(Event $event): void {
@@ -55,8 +51,10 @@ public function handle(Event $event): void {
 			$this->templateManager->setTemplateSource($event->getTarget()->getId(), $templateFile->getId());
 		}
 
-		$filledTemplate = $this->templateFieldService->fillFields($templateFile, $event->getTemplateFields());
-		$event->getTarget()->putContent($filledTemplate);
+		if ($this->capabilitiesService->hasFormFilling()) {
+			$filledTemplate = $this->templateFieldService->fillFields($templateFile, $event->getTemplateFields());
+			$event->getTarget()->putContent($filledTemplate);
+		}
 
 		// Avoid having the mimetype of the source file set
 		$event->getTarget()->getStorage()->getCache()->update($event->getTarget()->getId(), [

lib/Service/CapabilitiesService.php

@@ -66,13 +66,11 @@ public function getServerProductName(): ?string {
 	}
 
 	public function hasNextcloudBranding(): bool {
-		$productVersion = $this->getCapabilities()['productVersion'] ?? '0.0.0.0';
-		return version_compare($productVersion, '21.11', '>=');
+		return $this->isVersionAtLeast('21.11');
 	}
 
 	public function hasDrawSupport(): bool {
-		$productVersion = $this->getCapabilities()['productVersion'] ?? '0.0.0.0';
-		return version_compare($productVersion, '6.4.7', '>=');
+		return $this->isVersionAtLeast('6.4.7');
 	}
 
 	public function hasTemplateSource(): bool {
@@ -87,6 +85,15 @@ public function hasWASMSupport(): bool {
 		return $this->getCapabilities()['hasWASMSupport'] ?? false;
 	}
 
+	public function hasFormFilling(): bool {
+		return $this->isVersionAtLeast('24.04.5.2');
+	}
+
+	private function isVersionAtLeast(string $version): bool {
+		$productVersion = $this->getCapabilities()['productVersion'] ?? '0.0.0.0';
+		return version_compare($productVersion, $version, '>=');
+	}
+
 	public function getProductName(): string {
 		$theme = $this->config->getAppValue(Application::APPNAME, 'theme', 'nextcloud');
 

lib/Service/TemplateFieldService.php

@@ -18,6 +18,7 @@
 class TemplateFieldService {
 	public function __construct(
 		private IClientService $clientService,
+		private CapabilitiesService $capabilitiesService,
 		private AppConfig $appConfig,
 		private IRootFolder $rootFolder,
 		private LoggerInterface $logger
@@ -29,6 +30,10 @@ public function __construct(
 	 * @return array|string
 	 */
 	public function extractFields(Node|int $file) {
+		if (!$this->capabilitiesService->hasFormFilling()) {
+			return [];
+		}
+
 		if (is_int($file)) {
 			$file = $this->rootFolder->getFirstNodeById($file);
 		}
@@ -84,6 +89,10 @@ public function extractFields(Node|int $file) {
 	 * @return string|resource
 	 */
 	public function fillFields(Node|int $file, array $fields = []) {
+		if (!$this->capabilitiesService->hasFormFilling()) {
+			throw new \RuntimeException('Form filling not supported by the Collabora server');
+		}
+
 		if (is_int($file)) {
 			$file = $this->rootFolder->getFirstNodeById($file);
 		}