[TASK] Ensure, TYPO3 is not running in CLI mode

As the method deleteGlossary is called both in backend and CLI context,
the Exception should be thrown in CLI context, but generate a
FlashMessage in backend context.

Classes/Service/DeeplGlossaryService.php

@@ -8,6 +8,7 @@
 use TYPO3\CMS\Core\Cache\CacheManager;
 use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
 use TYPO3\CMS\Core\Configuration\ExtensionConfiguration;
+use TYPO3\CMS\Core\Core\Environment;
 use TYPO3\CMS\Core\Messaging\FlashMessage;
 use TYPO3\CMS\Core\Messaging\FlashMessageService;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -155,7 +156,7 @@ public function createGlossary(
  *
  * @throws DeepLException
  */
- public function deleteGlossary(string $glossaryId)
+ public function deleteGlossary(string $glossaryId): ?array
  {
  $url = $this->client->buildBaseUrl(self::API_URL_SUFFIX_GLOSSARIES);
  $url .= "/$glossaryId";
@@ -164,17 +165,22 @@ public function deleteGlossary(string $glossaryId)
  $this->client->request($url, '', 'DELETE');
  } catch (BadResponseException $e) {
  // FlashMessage($message, $title, $severity = self::OK, $storeInSession)
- $message = GeneralUtility::makeInstance(
- FlashMessage::class,
- $e->getMessage(),
- 'DeepL Api',
- FlashMessage::WARNING,
- true
- );
- $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
- $messageQueue = $flashMessageService->getMessageQueueByIdentifier();
- $messageQueue->addMessage($message);
+ if (Environment::isCli()) {
+ throw $e;
+ }else {
+ $message = GeneralUtility::makeInstance(
+ FlashMessage::class,
+ $e->getMessage(),
+ 'DeepL Api',
+ FlashMessage::WARNING,
+ true
+ );
+ $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
+ $messageQueue = $flashMessageService->getMessageQueueByIdentifier();
+ $messageQueue->addMessage($message);
+ }
  }
+ return null;
  }
 
  /**