[BUGFIX] Do not include sys_language_uid check in TYPO3 8 for pages

Classes/Service/BackendService.php

@@ -38,6 +38,7 @@ use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
 use TYPO3\CMS\Core\Imaging\Icon;
 use TYPO3\CMS\Core\Imaging\IconFactory;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 use TYPO3\CMS\Extbase\Mvc\Request;
 use TYPO3\CMS\Extbase\Object\ObjectManager;
 use TYPO3\CMS\Extbase\Persistence\Generic\PersistenceManager;
@@ -77,20 +78,25 @@ class BackendService {
 		$queryBuilder->getRestrictions()
 			->removeAll()
 			->add(GeneralUtility::makeInstance(DeletedRestriction::class));
-		$rows = $queryBuilder->select('*')
+		$queryBuilder->select('*')
 			->from('pages')
 			->where(
-				$queryBuilder->expr()->andX(
-					$queryBuilder->expr()->eq(
-						'is_siteroot',
-						1
-					),
-					$queryBuilder->expr()->eq(
-						'sys_language_uid',
-						0
-					)
+				$queryBuilder->expr()->eq(
+					'is_siteroot',
+					1
 				)
-			)->execute()->fetchAll();
+			);
+
+		if (!version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9.0.0', '<')) {
+			$queryBuilder->andWhere(
+				$queryBuilder->expr()->eq(
+					'sys_language_uid',
+					0
+				)
+			);
+		}
+
+		$rows = $queryBuilder->execute()->fetchAll();
 
 		foreach ($rows as $row) {
 			$pageInfo = BackendUtility::readPageAccess($row['uid'], $GLOBALS['BE_USER']->getPagePermsClause(1));
@@ -123,12 +129,18 @@ class BackendService {
 		/** @var IconFactory $iconFactory */
 		$iconFactory = GeneralUtility::makeInstance(IconFactory::class);
 
+		if (version_compare(VersionNumberUtility::getCurrentTypo3Version(), '9.0.0', '<')) {
+			$locallangPath = 'LLL:EXT:lang/Resources/Private/Language/locallang_core.xlf:';
+		} else {
+			$locallangPath = 'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:';
+		}
+
 		// Refresh
 		$refreshButton = $buttonBar->makeLinkButton()
 			->setHref(GeneralUtility::getIndpEnv('REQUEST_URI'))
 			->setTitle(
 				LocalizationUtility::translate(
-					'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.reload'
+					$locallangPath . 'labels.reload'
 				)
 			)
 			->setIcon($iconFactory->getIcon('actions-refresh', Icon::SIZE_SMALL));