public static function addRequestResource($con, RequestResource $requestResource)
 {
     try {
         $sql = $con->prepare("INSERT INTO  RequestResource VALUES(?,?,?,?,?,?,?)");
         $requestId = $requestResource->getRequestId();
         $resourceId = $requestResource->getResourceId();
         $qty = $requestResource->getQty();
         $borrowingDate = $requestResource->getItemBorrowingDate();
         $issueDate = date('Y-m-d');
         $returnDate = $requestResource->getReturnDate();
         $status = 1;
         $sql->bind_param("ssisssi", $requestId, $resourceId, $qty, $borrowingDate, $issueDate, $returnDate, $status);
         if ($sql->execute() == TRUE) {
             return true;
         } else {
             return false;
         }
     } catch (Exception $w) {
         return false;
     }
 }