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<?php
/**
* Quickly assemled rest controller based on Kohana 3's Kohana_Controller_REST
* https://github.com/kohana/core/blob/3.1%2Fmaster/classes/kohana/controller/rest.php
*
* Added functionality from FuelPHP's Controller_Rest
* https://github.com/fuel/fuel/blob/develop/fuel/core/classes/controller/rest.php
*
* All credits to Kohana and FuelPHP teams!
* Jonas Nyström - cambiata
*/
class Controller_Cambiata_REST extends Controller_REST {
public $output_format = 'xml'; // default
public $input_content; // For handling incoming data from POST and PUT
public $input_content_type;
public $input_content_length;
/**
* Init rest controller by checking format for output data and reading input data content.
*/
public function before() {
parent::before();
// get output format from route file extension
$this->output_format = $this->request->param('format');
// get intput data for POST and PUT
$this->input_content = $this->request->body();
$this->input_content_type = (isset($_SERVER['CONTENT_TYPE'])) ? $_SERVER['CONTENT_TYPE'] : FALSE;
$this->input_content_length = (isset($_SERVER['CONTENT_LENGTH'])) ? $_SERVER['CONTENT_LENGTH'] : FALSE;
}
//------------------------------------------------------------------------------
/**
* Restful GET - this method should be overridden!
*/
public function action_index()
{
$this->rest_output(array(
'GET example!',
));
}
/**
* Restful POST - this method should be overridden!
*/
function action_create()
{
$this->rest_output(array(
'POST example! (Returns some info about incoming data, just for reference!)',
'CONTENT_TYPE:'.$this->input_content_type,
'CONTENT_LENGTH:'.$this->input_content_length,
'CONTENT:'.$this->input_content,
));
}
/**
* Restful PUT - this method should be overridden!
*/
function action_update()
{
$this->rest_output(array(
'PUT example! (Returns some info about incoming data, just for reference!)',
'CONTENT_TYPE:'.$this->input_content_type,
'CONTENT_LENGTH:'.$this->input_content_length,
'CONTENT:'.$this->input_content,
));
}
/**
* Restful DELETE - this method should be overridden!
*/
function action_delete()
{
$this->rest_output(array('DELETE example'));
}
//-----------------------------------------------------------------------------------------
/**
* Handling of output data set in action methods with $this->rest_output($data).
*
* @param array|object $data
* @param int $http_status
*/
protected function rest_output($data = array(), $http_status = 200) {
if (empty($data)) {
$this->response->status(404);
return;
}
$this->response->status($http_status);
$mime = File::mime_by_ext($this->output_format);
$format_method = '_format_' . $this->output_format;
// If the format method exists, call and return the output in that format
if (method_exists($this, $format_method)) {
$output_data = $this->$format_method($data);
$this->response->headers('content-type', File::mime_by_ext($this->output_format));
$this->response->headers('content-length', (string) strlen($output_data));
$this->response->body($output_data);
} else {
$this->response->body(var_export( $data, true));
}
}
// ------------------------------------------------------------------------------------
// Format the output data to requested type
private function _format_xml($data = array(), $structure = NULL, $basenode = 'xml') {
return Cambiata_Format::to_xml($data, $structure, $basenode);
}
private function _format_json($data = array()) {
return json_encode($data);
}
private function _format_html($data = array()) {
return '<pre>' . var_export($data, true) . '</pre>';
}
}
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