From d1690c917dd3bdce429111be0c543e9a494bd857 Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Tue, 11 May 2021 19:02:48 +0200
Subject: [PATCH] show only detail preview for older versions

---
 inc/inc.Tasks.php | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/inc/inc.Tasks.php b/inc/inc.Tasks.php
index 9ca8aac0c..4c324ea15 100644
--- a/inc/inc.Tasks.php
+++ b/inc/inc.Tasks.php
@@ -315,13 +315,15 @@ class SeedDMS_Task_Preview_Process_Folder { /* {{{ */
 		foreach($documents as $document) {
 				$versions = $document->getContent();
 				foreach($versions as $version) {
-					foreach($this->widths as $width) {
-						$isnew = null;
-						if($this->previewer->createPreview($version, $width, $isnew)) {
-							if($isnew){
-								$this->logger->log('Task \'preview\': created preview ('.$width.'px) for document '.$document->getId().':'.$version->getVersion(), PEAR_LOG_INFO);
-							echo "Preview ".$width."px for ".$document->getId().":".$version->getVersion()." created\n";
-						}
+					foreach($this->widths as $previewtype=>$width) {
+						if($previewtype == 'detail' || $document->isLatestContent($version->getVersion())) {
+							$isnew = null;
+							if($this->previewer->createPreview($version, $width, $isnew)) {
+								if($isnew){
+									$this->logger->log('Task \'preview\': created preview ('.$width.'px) for document '.$document->getId().':'.$version->getVersion(), PEAR_LOG_INFO);
+								echo "Preview ".$width."px for ".$document->getId().":".$version->getVersion()." created\n";
+								}
+							}
 						}
 					}
 				}
@@ -357,7 +359,7 @@ class SeedDMS_PreviewTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
 		$previewer->setConverters(isset($settings->_converters['preview']) ? $settings->_converters['preview'] : array());
 		$logger->log('Cachedir is '.$settings->_cacheDir, PEAR_LOG_INFO);
 
-		$folderprocess = new SeedDMS_Task_Preview_Process_Folder($previewer, array($settings->_previewWidthList, $settings->_previewWidthDetail), $logger);
+		$folderprocess = new SeedDMS_Task_Preview_Process_Folder($previewer, array('list'=>$settings->_previewWidthList, 'detail'=>$settings->_previewWidthDetail), $logger);
 		$tree = new SeedDMS_FolderTree($folder, array($folderprocess, 'process'));
 		call_user_func(array($folderprocess, 'process'), $folder);