# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1586193971 -10800
# Node ID d66caa602023260966622286d06b41502e702452
# Parent  af5ce7bf7eeb6b85fb7b4a5fc1fb30a88740b739
Add better checks for custom/user selected album cover image.

diff -r af5ce7bf7eeb -r d66caa602023 mgtool.php
--- a/mgtool.php	Mon Apr 06 19:40:06 2020 +0300
+++ b/mgtool.php	Mon Apr 06 20:26:11 2020 +0300
@@ -847,16 +847,22 @@
     uasort($images, "mgSortFunc");
     krsort($albums);
 
-    // Choose gallery album image
+    // Choose gallery album cover image
     if (count($images) > 0)
     {
-      if (isset($gallery["albumpic"]) &&
-          isset($images[$gallery["albumpic"]]))
+      // Is the cover image set in the album data?
+      if (isset($gallery["albumpic"]))
       {
-        $parentEntry["image"] = $gallery["albumpic"];
+        if (!isset($images[$gallery["albumpic"]]))
+          mgError("Album cover picture '".$gallery["albumpic"]."' set, but is not found in \n");
+        else
+          $parentEntry["image"] = $gallery["albumpic"];
       }
-      else
+
+      // Got anything?
+      if (!isset($parentEntry["image"]))
       {
+        // No, use the last image in the album
         end($images);
         $parentEntry["image"] = key($images);
       }