/**
  * This action is used to delete requisition.
  * @parameters
  * @param objid    =   id of requisition.
  *
  * @return  {String} =   success/failure message
  */
 public function deleteAction()
 {
     $auth = Zend_Auth::getInstance();
     if ($auth->hasIdentity()) {
         $loginUserId = $auth->getStorage()->read()->id;
     }
     $id = $this->_request->getParam('objid');
     $messages['message'] = '';
     $actionflag = 3;
     if ($id) {
         $requi_model = new Default_Model_Requisition();
         $menumodel = new Default_Model_Menu();
         $data = array('isactive' => 0, 'modifiedon' => gmdate("Y-m-d H:i:s"));
         $where = array('id=?' => $id);
         $req_status = $requi_model->getRequisitionForEdit($id, $loginUserId);
         if ($req_status['aflag'] == 'creator') {
             $Id = $requi_model->SaveorUpdateRequisitionData($data, $where);
         } else {
             $Id = "not deleted";
         }
         if ($Id == 'update') {
             $menuidArr = $menumodel->getMenuObjID('/requisition');
             $menuID = $menuidArr[0]['id'];
             sapp_Global::logManager($menuID, $actionflag, $loginUserId, $id);
             $messages['message'] = 'Requisition deleted successfully.';
             $messages['msgtype'] = 'success';
         } else {
             $messages['message'] = 'Requisition cannot be deleted.';
             $messages['msgtype'] = 'error';
         }
     } else {
         $messages['message'] = 'Requisition cannot be deleted.';
         $messages['msgtype'] = 'error';
     }
     $this->_helper->json($messages);
 }