fixes #377 use Ajax calls to refresh/delete album thumbnail

admin/include/functions.php

@@ -886,6 +886,25 @@ SELECT uppercats
   return $uppercats;
 }
 
+/**
+ */
+function get_category_representant_properties($image_id)
+{
+  $query = '
+SELECT id,representative_ext,path
+  FROM '.IMAGES_TABLE.'
+  WHERE id = '.$image_id.'
+;';
+  $row = pwg_db_fetch_assoc(pwg_query($query));
+  $src = DerivativeImage::thumb_url($row);
+  $url = get_root_url().'admin.php?page=photo-'.$image_id;
+
+  return array(
+    'src' => $src,
+    'url' => $url
+    );
+}
+
 /**
  * Set a new random representant to the categories.
  *