/**
  * Method used to update a canned email response in the system.
  *
  * @access  public
  * @return  integer 1 if the update worked, -1 otherwise
  */
 function update()
 {
     global $HTTP_POST_VARS;
     $HTTP_POST_VARS['id'] = Misc::escapeInteger($HTTP_POST_VARS['id']);
     if (Validation::isWhitespace($HTTP_POST_VARS["title"])) {
         return -2;
     }
     $stmt = "UPDATE\n                    " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "email_response\n                 SET\n                    ere_title='" . Misc::escapeString($HTTP_POST_VARS["title"]) . "',\n                    ere_response_body='" . Misc::escapeString($HTTP_POST_VARS["response_body"]) . "'\n                 WHERE\n                    ere_id=" . $HTTP_POST_VARS["id"];
     $res = $GLOBALS["db_api"]->dbh->query($stmt);
     if (PEAR::isError($res)) {
         Error_Handler::logError(array($res->getMessage(), $res->getDebugInfo()), __FILE__, __LINE__);
         return -1;
     } else {
         // remove all of the associations with projects, then add them all again
         Email_Response::removeProjectAssociations($HTTP_POST_VARS['id']);
         foreach ($HTTP_POST_VARS['projects'] as $prj_id) {
             Email_Response::addProjectAssociation($HTTP_POST_VARS['id'], $prj_id);
         }
         return 1;
     }
 }