From 0af11e2c9186120090bc3fc388c2e96c51212b03 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Mon, 12 Jan 2026 13:21:09 +0100
Subject: [PATCH 1/3] fix(TaskProcessing): Refactor TextToImage fallback

Signed-off-by: Marcel Klehr <mklehr@gmx.net>
---
 lib/private/TaskProcessing/Manager.php | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/lib/private/TaskProcessing/Manager.php b/lib/private/TaskProcessing/Manager.php
index afaa723c20039..1516f2bf02b97 100644
--- a/lib/private/TaskProcessing/Manager.php
+++ b/lib/private/TaskProcessing/Manager.php
@@ -291,13 +291,18 @@ private function _getTextToImageProviders(): array {
 		$oldProviders = $this->textToImageManager->getProviders();
 		$newProviders = [];
 		foreach ($oldProviders as $oldProvider) {
-			$newProvider = new class($oldProvider, $this->appData) implements IProvider, ISynchronousProvider {
+			$newProvider = new class($oldProvider, $this->appData, $this->l10nFactory, $this->userManager) implements IProvider, ISynchronousProvider {
 				private \OCP\TextToImage\IProvider $provider;
 				private IAppData $appData;
+				private IFactory $l10nFactory;
 
-				public function __construct(\OCP\TextToImage\IProvider $provider, IAppData $appData) {
+				private IUserManager $userManager;
+
+				public function __construct(\OCP\TextToImage\IProvider $provider, IAppData $appData, IFactory $l10nFactory, IUserManager $userManager) {
 					$this->provider = $provider;
 					$this->appData = $appData;
+					$this->l10nFactory = $l10nFactory;
+					$this->userManager = $userManager;
 				}
 
 				public function getId(): string {
@@ -330,6 +335,21 @@ public function process(?string $userId, array $input, callable $reportProgress)
 					} catch (\OCP\Files\NotFoundException) {
 						$folder = $this->appData->newFolder('text2image');
 					}
+					if ($input['numberOfImages'] > 12) {
+						throw new UserFacingProcessingException(
+							'numberOfImages cannot be greater than 12',
+							userFacingMessage:
+								$this->l10nFactory->get('core', $this->l10nFactory->getUserLanguage($this->userManager->get($userId)))
+								->t('Cannot generate more than 12 images')
+						);
+					}
+					if ($input['numberOfImages'] < 1) {
+						throw new UserFacingProcessingException(
+							'numberOfImages must be greater than 0',
+							userFacingMessage:
+								$this->l10nFactory->get('core', $this->l10nFactory->getUserLanguage($this->userManager->get($userId)))
+									->t('Cannot generate less than 1 image'));
+					}
 					$resources = [];
 					$files = [];
 					for ($i = 0; $i < $input['numberOfImages']; $i++) {

From c0a35cc002ab27632c51bc05ad0219c87277e10a Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Tue, 3 Feb 2026 09:17:32 +0100
Subject: [PATCH 2/3] Fix: Run cs:fix

---
 lib/private/TaskProcessing/Manager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/TaskProcessing/Manager.php b/lib/private/TaskProcessing/Manager.php
index 1516f2bf02b97..b7c696fe77885 100644
--- a/lib/private/TaskProcessing/Manager.php
+++ b/lib/private/TaskProcessing/Manager.php
@@ -340,7 +340,7 @@ public function process(?string $userId, array $input, callable $reportProgress)
 							'numberOfImages cannot be greater than 12',
 							userFacingMessage:
 								$this->l10nFactory->get('core', $this->l10nFactory->getUserLanguage($this->userManager->get($userId)))
-								->t('Cannot generate more than 12 images')
+									->t('Cannot generate more than 12 images')
 						);
 					}
 					if ($input['numberOfImages'] < 1) {

From 743edf3337acf2ea2b413095051cefbaf0ee55f6 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Thu, 5 Feb 2026 17:31:17 +0100
Subject: [PATCH 3/3] fix: Use ProcessingException

instead of UserFacingProcessing Exception which is not in nc < 33

Signed-off-by: Marcel Klehr <mklehr@gmx.net>
---
 lib/private/TaskProcessing/Manager.php | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/lib/private/TaskProcessing/Manager.php b/lib/private/TaskProcessing/Manager.php
index b7c696fe77885..da9adb2f4a974 100644
--- a/lib/private/TaskProcessing/Manager.php
+++ b/lib/private/TaskProcessing/Manager.php
@@ -336,19 +336,14 @@ public function process(?string $userId, array $input, callable $reportProgress)
 						$folder = $this->appData->newFolder('text2image');
 					}
 					if ($input['numberOfImages'] > 12) {
-						throw new UserFacingProcessingException(
-							'numberOfImages cannot be greater than 12',
-							userFacingMessage:
-								$this->l10nFactory->get('core', $this->l10nFactory->getUserLanguage($this->userManager->get($userId)))
-									->t('Cannot generate more than 12 images')
+						throw new ProcessingException(
+							'numberOfImages cannot be greater than 12'
 						);
 					}
 					if ($input['numberOfImages'] < 1) {
-						throw new UserFacingProcessingException(
-							'numberOfImages must be greater than 0',
-							userFacingMessage:
-								$this->l10nFactory->get('core', $this->l10nFactory->getUserLanguage($this->userManager->get($userId)))
-									->t('Cannot generate less than 1 image'));
+						throw new ProcessingException(
+							'numberOfImages must be greater than 0'
+						);
 					}
 					$resources = [];
 					$files = [];