Original actions for the IndexController

chap4_challenge3_1.php

<?php 
....

    public function newPostAction()
    {
        try {
            $data = $this->getRequest()->getParams();

            $registry = Mage::getModel('mdg_giftregistry/entity');
            $customer = Mage::getSingleton('customer/session')->getCustomer();

            if($this->getRequest()->getPost() && !empty($data)) {
                $registry->updateRegistryData($customer, $data);
                $registry->save();
                $successMessage =  Mage::helper('mdg_giftregistry')->__('Registry Successfully Created');
                Mage::getSingleton('core/session')->addSuccess($successMessage);
            }else{
                throw new Exception("Insufficient Data provided");
            }
        } catch (Mage_Core_Exception $e) {
            Mage::getSingleton('core/session')->addError($e->getMessage());
            $this->_redirect('*/*/');
        }
        $this->_redirect('*/*/');
    }

    public function editPostAction()
    {
        try {
            $data = $this->getRequest()->getParams();
            $registry = Mage::getModel('mdg_giftregistry/entity');
            $customer = Mage::getSingleton('customer/session')->getCustomer();

            if($this->getRequest()->getPosts() && !empty($data) )
            {
                $registry->load($data['registry_id']);
                if($registry){
                    $registry->updateRegistryData($customer, $data);
                    $registry->save();
                    $successMessage =  Mage::helper('mdg_giftregistry')->__('Registry Successfully Saved');
                    Mage::getSingleton('core/session')->addSuccess($successMessage);
                }else {
                    throw new Exception("Invalid Registry Specified");
                }
            }else {
                throw new Exception("Insufficient Data provided");
            }
        } catch (Mage_Core_Exception $e) {
            Mage::getSingleton('core/session')->addError($e->getMessage());
            $this->_redirect('*/*/');
        }
        $this->_redirect('*/*/');
    }
}