Change back to using the ORM to update the child weight, but use the batch::start() method so notifications are queued

modules/organize/controllers/organize.php

@@ -173,6 +173,9 @@ class Organize_Controller extends Controller {
     $weight = $task->get("weight");
     $target_id = $task->get("target_id");
     $is_before = $task->get("before") == "before";
+    if ($task->percent_complete == 0) {
+      batch::start();
+    }
     // @todo at some point if we allow drag from album tree this needs to be changed
     if ($phase == "dropping") {
       $children = ORM::factory("item")
@@ -208,9 +211,8 @@ class Organize_Controller extends Controller {
         $task->set("phase", "dropping");
         break;
       }
-      Database::instance()->query(
-        "UPDATE {items} SET `weight` =  " . item::get_max_weight() .
-        " WHERE `id` = " . $child->id);
+      $child->weight = item::get_max_weight();
+      $child->save();
 
       $completed++;
       if ($phase == "before_drop" && $child->id == $task->get("target_id")) {
@@ -222,6 +224,7 @@ class Organize_Controller extends Controller {
     if ($completed == $task->get("total")) {
       $parent->sort_column = "weight";
       $parent->save();
+      batch::stop();
       $task->done = true;
       $task->state = "success";
       $task->set("content", self::_get_micro_thumb_grid($parent, 0)->__toString());