/**
* Handles the request to the API.
* It first checks that the method called (parameter 'method') is available in the module (it means that the method exists and is public)
* It then reads the parameters from the request string and throws an exception if there are missing parameters.
* It then calls the API Proxy which will call the requested method.
*
* @see the method handleReturnedValue() for the data post process logic
*
* @return mixed The data resulting from the API call
*/
public function process()
{
try {
// read the format requested for the output data
$this->outputFormatRequested = Piwik_Common::getRequestVar('format', 'xml', 'string', $this->requestToUse);
$this->outputFormatRequested = strtolower($this->outputFormatRequested);
// read parameters
$moduleMethod = Piwik_Common::getRequestVar('method', null, null, $this->requestToUse);
list($module, $method) = $this->extractModuleAndMethod($moduleMethod);
if (!Piwik_PluginsManager::getInstance()->isPluginEnabled($module)) {
throw new Exception_PluginDeactivated($module);
}
// call the method via the API_Proxy class
$api = Piwik_Api_Proxy::getInstance();
$api->registerClass($module);
// read method to call meta information
$className = "Piwik_" . $module . "_API";
// check method exists
$api->checkMethodExists($className, $method);
// get the list of parameters required by the method
$parameters = $api->getParametersList($className, $method);
// load the parameters from the request URL
$finalParameters = $this->getRequestParametersArray($parameters);
// call the method
$returnedValue = call_user_func_array(array($api->{$module}, $method), $finalParameters);
// post process the data
$toReturn = $this->handleReturnedValue($returnedValue);
} catch (Exception $e) {
// if it is not a direct API call, we are requesting the original data structure
// and we actually are handling this exception at the top level in the FrontController
if ($this->outputFormatRequested == 'original') {
throw $e;
}
$message = $e->getMessage();
$toReturn = $this->getExceptionOutput($message, $this->outputFormatRequested);
}
return $toReturn;
}
/**
* Handles the request to the API.
* It first checks that the method called (parameter 'method') is available in the module (it means that the method exists and is public)
* It then reads the parameters from the request string and throws an exception if there are missing parameters.
* It then calls the API Proxy which will call the requested method.
*
* @return mixed The data resulting from the API call
*/
public function process()
{
// read the format requested for the output data
$outputFormat = strtolower(Piwik_Common::getRequestVar('format', 'xml', 'string', $this->request));
// create the response
$response = new Piwik_API_ResponseBuilder($this->request, $outputFormat);
try {
// read parameters
$moduleMethod = Piwik_Common::getRequestVar('method', null, null, $this->request);
list($module, $method) = $this->extractModuleAndMethod($moduleMethod);
if (!Piwik_PluginsManager::getInstance()->isPluginActivated($module)) {
throw new Exception_PluginDeactivated($module);
}
$module = "Piwik_" . $module . "_API";
// call the method
$returnedValue = Piwik_Api_Proxy::getInstance()->call($module, $method, $this->request);
$toReturn = $response->getResponse($returnedValue);
} catch (Exception $e) {
$toReturn = $response->getResponseException($e);
}
return $toReturn;
}
