/**
* Transform a cake response to extjs structure (associated models are not supported!)
* otherwise just return the original response.
* See also https://github.com/Bancha/Bancha/wiki/Supported-Controller-Method-Results
*
* @param $modelName The model name of the current request
* @param $response The input request from Bancha
* @param $controller The used controller
* @return extjs formated data array
*/
public static function transformDataStructureToExt($modelName, $response)
{
// understand primitive responses
if ($response === true || $response === false) {
// this was an un-/successfull operation, return that to ext
return array('success' => $response);
}
// expect a successfull operation, but check
$success = isset($response['success']) ? !!$response['success'] : true;
if (isset($response[$modelName])) {
// this is standard cake single element structure
$response = array('success' => $success, 'data' => $response[$modelName]);
} else {
if (isset($response['0'][$modelName])) {
// this is standard cake multiple element structure
$data = array();
foreach ($response as $record) {
array_push($data, $record[$modelName]);
}
$response = array('success' => $success, 'data' => $data);
} else {
if (isset($response['records']) && (isset($response['records']['0'][$modelName]) || is_array($response['records']) && isset($response['count']) && $response['count'] == 0)) {
// pagination with zero records
// this is a paging response
// the records have standard cake structure, so get them
$data = BanchaResponseTransformer::transformDataStructureToExt($modelName, $response['records']);
// create response including the total number of records
$response = array('success' => $success, 'data' => isset($data['data']) ? $data['data'] : $data, 'total' => $response['count']);
} else {
if (is_array($response) && count($response) === 0) {
// this is an empty array, so expect that this is just a request without any found records
return array('success' => true, 'data' => array());
}
}
}
}
// else the structure could not be recognized as any transformable data
// so output it as it is
return $response;
}
