# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1569845351 -10800
# Node ID 338bc2941976ca3523a94e3f6247aab2466af757
# Parent  cf166dcc6e77b174f7068199a7ade795d50bd543
For images that have no EXIF timestamp information, always sort them "lower" compared to ones that have.

diff -r cf166dcc6e77 -r 338bc2941976 mgtool.php
--- a/mgtool.php	Sat Aug 03 06:18:18 2019 +0300
+++ b/mgtool.php	Mon Sep 30 15:09:11 2019 +0300
@@ -658,18 +658,24 @@
 
 function mgSortFunc($a, $b)
 {
-  if (isset($a["datetime"]) && isset($b["datetime"]))
-  {
-    if (is_object($a["datetime"]) && is_object($b["datetime"]))
-      return $b["datetime"]->getTimestamp() - $a["datetime"]->getTimestamp();
-    else
-      return $b["datetime"] - $a["datetime"];
-  }
+  if (isset($a["datetime"]) && is_object($a["datetime"]) &&
+      isset($b["datetime"]) && is_object($b["datetime"]))
+    $cres = $b["datetime"]->getTimestamp() - $a["datetime"]->getTimestamp();
+  else
+  if (isset($a["datetime"]) && is_object($a["datetime"]) &&
+      isset($b["base"]))
+    $cres = -1;
+  else
+  if (isset($b["datetime"]) && is_object($b["datetime"]) &&
+      isset($a["base"]))
+    $cres = 1;
   else
   if (isset($a["base"]) && isset($b["base"]))
-    return strcmp($b["base"], $a["base"]);
+    $cres = strcmp($b["base"], $a["base"]);
   else
-    return 0;
+    $cres = 0;
+
+  return $cres;
 }