fix last-child in face of deletions

1 files changed, 21 insertions, 2 deletions

diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php
index 089e508ad..3e98377e8 100644
--- a/mod/dfrn_notify.php
+++ b/mod/dfrn_notify.php
@@ -123,12 +123,13 @@ function dfrn_notify_post(&$a) {
 				intval($importer['importer_uid'])
 			);
 			if(count($r)) {
-				if($r[0]['uri'] == $r[0]['parent-uri']) {
+				$item = $r[0];
+				if($item['uri'] == $item['parent-uri']) {
 					$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 						WHERE `parent-uri` = '%s'",
 						dbesc($when),
 						dbesc(datetime_convert()),
-						dbesc($r[0]['uri'])
+						dbesc($item['uri'])
 					);
 				}
 				else {
@@ -139,6 +140,24 @@ function dfrn_notify_post(&$a) {
 						dbesc($uri),
 						intval($importer['importer_uid'])
 					);
+					if($item['last-child']) {
+						// ensure that last-child is set in case the comment that had it just got wiped.
+						$q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
+							dbesc(datetime_convert()),
+							dbesc($item['parent-uri']),
+							intval($item['uid'])
+						);
+						// who is the last child now? 
+						$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 
+							ORDER BY `edited` DESC LIMIT 1",
+								dbesc($item['parent-uri'])
+						);
+						if(count($r)) {
+							q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
+								intval($r[0]['id'])
+							);
+						}	
+					}
 				}
 			}	
 			continue;