Improved support for backfilled posts

src/Model/Item.php

@@ -1090,9 +1090,9 @@ class Item
 		}
 
 		if ($update_commented) {
-			$fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
+			$fields = ['commented' => $posted_item['received'], 'changed' => $posted_item['received']];
 		} else {
-			$fields = ['changed' => DateTimeFormat::utcNow()];
+			$fields = ['changed' => $posted_item['received']];
 		}
 
 		Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);

src/Model/ItemHelper.php

@@ -205,13 +205,25 @@ final class ItemHelper
 		$item['file']          = trim($item['file'] ?? '');
 
 		// Items cannot be stored before they happen ...
-		if ($item['created'] > DateTimeFormat::utcNow()) {
-			$item['created'] = DateTimeFormat::utcNow();
+		if ($item['received'] > DateTimeFormat::utcNow()) {
+			$item['received'] = DateTimeFormat::utcNow();
+		}
+
+		if ($item['created'] > $item['received']) {
+			$item['created'] = $item['received'];
 		}
 
 		// We haven't invented time travel by now.
-		if ($item['edited'] > DateTimeFormat::utcNow()) {
-			$item['edited'] = DateTimeFormat::utcNow();
+		if ($item['edited'] > $item['received'] ) {
+			$item['edited'] = $item['received'] ;
+		}
+
+		if ($item['changed'] > $item['received'] ) {
+			$item['changed'] = $item['received'] ;
+		}
+
+		if ($item['commented'] > $item['received'] ) {
+			$item['commented'] = $item['received'] ;
 		}
 
 		$item['plink'] = ($item['plink'] ?? '') ?: $this->baseUrl . '/display/' . urlencode($item['guid']);