bug 1396: when a photo was deleted, the code to avoid orphans as category

representative was 1) wrong (because a photo doesn't have to belong to a
category to represent it) 2) at the wrong place.

git-svn-id: http://piwigo.org/svn/branches/2.0@4730 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/element_set_global.php

@@ -91,21 +91,9 @@ SELECT
 
       if (count($deletables) > 0)
       {
-        // what will be the categories to update? (to avoid orphan on
-        // representative_picture_id)
-        $query = '
-SELECT
-    category_id
-  FROM '.IMAGE_CATEGORY_TABLE.'
-  WHERE image_id IN ('.implode(',', $deletables).')
-;';
-        $categories_to_update = array_from_query($query, 'category_id');
-          
         $physical_deletion = true;
         delete_elements($deletables, $physical_deletion);
 
-        update_category($categories_to_update);
-
         array_push(
           $page['infos'],
           sprintf(

admin/include/functions.php

@@ -234,6 +234,20 @@ DELETE FROM '.IMAGES_TABLE.'
 ;';
   pwg_query($query);
 
+  // are the photo used as category representant?
+  $query = '
+SELECT
+    id
+  FROM '.CATEGORIES_TABLE.'
+  WHERE representative_picture_id IN (
+'.wordwrap(implode(', ', $ids), 80, "\n").')
+;';
+  $category_ids = array_from_query($query, 'id');
+  if (count($category_ids) > 0)
+  {
+    update_category($category_ids);
+  }
+  
   trigger_action('delete_elements', $ids);
 }