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Chapter 4
Let's continue by creating editPostAction; this action is very similar to the
newPostAction. The main difference is that in the case of editPostAction,
we are working with an already existing registry record, so we will need to
add some validation before setting the data.
The file location is app/code/local/Mdg/Giftregistry/controllers/
IndexController.php. Let's take a closer look at the following action code:
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('*/*/');
}
As we can see, this code is pretty much the same as our newPostAction() controller
with the critical distinction that it tries to load an existing registry before updating
the data.
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