Re: Stopping a REST request in the beforeFilter() of the AppController.php

Exceptions are rendered as json or xml automatically, if you have the RequestHandler component loaded

On Tuesday, September 16, 2014 1:32:14 AM UTC+2, Geoffrey Toogood wrote:

Yeah I could have done that but I wanted the response to be quite specific and in JSON or XML depending on how the 3rd party is connecting so just throwing an exception wasn't going to cut it for me. I decided to go with a Dispatcher Filter instead. I just added the code to the beforeDispatch() method in the filter and all is working as expected.

Cheers for the idea though!

Geoff T

On Monday, September 15, 2014 7:50:27 PM UTC+10, José Lorenzo wrote:

Just throw an exception:

throw new BadRequestException('Missing important headers');

On Monday, September 15, 2014 2:02:50 AM UTC+2, Geoffrey Toogood wrote:

Hey There,

So I am building an API with the built in REST functionality in CakePHP  but I am having a problem with it.

I am trying to halt a REST request after it has already been primed by the default mapResources route feature?  In the app/Config/routes.php I have the following route for my customers controller / model..

Router::mapResources('customers');

I want to add some code to the beforeFilter() of the AppController which, under certain conditions, should stop the current REST request and print a different response. 

Say I do a GET request to the customers controller...

http://localhost/cakephp/customers.json

This returns what I would expect, my customers list in JSON format. 

However I want certain HTTP_X_ headers to be present in the request before I allow it to complete so I have tried using the set method to create the response I want and tried to send() the response like so..

$this->set(array(

'status' => false,

'message' => 'Some error message',

'errors' => array('this went wrong', 'that went wrong'),

'_serialize' => array('status', 'message', 'errors')

));

$this->response->send();
$this->_stop();

In this instance what occurs is that the customers.json response completes. I want to halt the request at this point and return my error response.

Does anyone know a good way to do this?

Thanks,

Geoff T

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