public function ajaxIssueAvailableVvmStagesAction()
 {
     $this->_helper->layout->disableLayout();
     $wh_id = $this->_identity->getWarehouseId();
     $placements = new Model_Placements();
     $batch_id = $this->_request->getParam('batch');
     $priority = $this->_request->getParam('priority');
     $batch = $this->_em->getRepository("StockBatch")->find($batch_id);
     $item_cat = $batch->getItemPackSize()->getItemCategory()->getPkId();
     $placements->form_values['priority'] = $priority;
     $this->view->vvmstages = $placements->getAvailableVvmStages($batch_id, $item_cat);
     $this->view->role = $this->_identity->getRoleId();
     $this->view->item_cat = $item_cat;
     $wh = $this->_em->getRepository("Warehouses")->find($wh_id);
     $this->view->is_placement_enable = 1;
     //$wh->getIsPlacementEnable();
 }