- feature 832: Folders with no images sql optimization

- recent pics are sorted by date descending, and only then by conf['order_by']
- updated prototype.js to version 1.6

git-svn-id: http://piwigo.org/svn/trunk@2424 68402e56-0260-453c-a942-63ccdbb3a9ee

include/category_cats.inc.php

@@ -88,6 +88,8 @@ while ($row = mysql_fetch_assoc($result))
   }
   else if ($conf['allow_random_representative'])
   {// searching a random representant among elements in sub-categories
+    if ($row['count_images']>0)
+    {
       $query = '
 SELECT image_id
   FROM '.CATEGORIES_TABLE.' AS c INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic
@@ -113,8 +115,11 @@ SELECT image_id
         list($image_id) = mysql_fetch_row($subresult);
       }
     }
+  }
   else
   { // searching a random representant among representant of sub-categories
+    if ($row['count_categories']>0 and $row['count_images']>0)
+    {
       $query = '
   SELECT representative_picture_id
     FROM '.CATEGORIES_TABLE.' INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.'
@@ -138,6 +143,7 @@ SELECT representative_picture_id
         list($image_id) = mysql_fetch_row($subresult);
       }
     }
+  }
 
   if (isset($image_id))
   {

include/section_init.inc.php

@@ -394,6 +394,15 @@ SELECT image_id
 // +-----------------------------------------------------------------------+
   else if ($page['section'] == 'recent_pics')
   {
+    if ( !isset($page['super_order_by']) )
+    {
+      $conf['order_by'] = str_replace(
+        'ORDER BY ',
+        'ORDER BY date_available DESC,',
+        $conf['order_by']
+        );
+    }
+
     $query = '
 SELECT DISTINCT(id)
   FROM '.IMAGES_TABLE.'

tools/ws.htm

@@ -153,7 +153,7 @@ function pwgSelectMethod(methodName)
 function onSuccess_getMethodDetails(transport)
 {
 	var result = pwgGetJsonResult(transport);
-  fillNewMethod( gCachedMethods[result.name] = $H(result) );
+  fillNewMethod( gCachedMethods[result.name] = result );
 }
 
 function fillNewMethod(method)