public function call($className, $methodName, $parametersRequest)
{
$returnedValue = null;
// Temporarily sets the Request array to this API call context
$saveGET = $_GET;
$saveQUERY_STRING = @$_SERVER['QUERY_STRING'];
foreach ($parametersRequest as $param => $value) {
$_GET[$param] = $value;
}
try {
$this->registerClass($className);
// instanciate the object
$object = $className::getInstance();
// check method exists
$this->checkMethodExists($className, $methodName);
// get the list of parameters required by the method
$parameterNamesDefaultValues = $this->getParametersList($className, $methodName);
// load parameters in the right order, etc.
$finalParameters = $this->getRequestParametersArray($parameterNamesDefaultValues, $parametersRequest);
// allow plugins to manipulate the value
$pluginName = $this->getModuleNameFromClassName($className);
/**
* Triggered before an API request is dispatched.
*
* This event can be used to modify the arguments passed to one or more API methods.
*
* **Example**
*
* Piwik::addAction('API.Request.dispatch', function (&$parameters, $pluginName, $methodName) {
* if ($pluginName == 'Actions') {
* if ($methodName == 'getPageUrls') {
* // ... do something ...
* } else {
* // ... do something else ...
* }
* }
* });
*
* @param array &$finalParameters List of parameters that will be passed to the API method.
* @param string $pluginName The name of the plugin the API method belongs to.
* @param string $methodName The name of the API method that will be called.
*/
Piwik::postEvent('API.Request.dispatch', array(&$finalParameters, $pluginName, $methodName));
/**
* Triggered before an API request is dispatched.
*
* This event exists for convenience and is triggered directly after the {@hook API.Request.dispatch}
* event is triggered. It can be used to modify the arguments passed to a **single** API method.
*
* _Note: This is can be accomplished with the {@hook API.Request.dispatch} event as well, however
* event handlers for that event will have to do more work._
*
* **Example**
*
* Piwik::addAction('API.Actions.getPageUrls', function (&$parameters) {
* // force use of a single website. for some reason.
* $parameters['idSite'] = 1;
* });
*
* @param array &$finalParameters List of parameters that will be passed to the API method.
*/
Piwik::postEvent(sprintf('API.%s.%s', $pluginName, $methodName), array(&$finalParameters));
$apiParametersInCorrectOrder = array();
foreach ($parameterNamesDefaultValues as $name => $defaultValue) {
if (isset($finalParameters[$name]) || array_key_exists($name, $finalParameters)) {
$apiParametersInCorrectOrder[] = $finalParameters[$name];
}
}
// call the method
$returnedValue = call_user_func_array(array($object, $methodName), $apiParametersInCorrectOrder);
$endHookParams = array(&$returnedValue, array('className' => $className, 'module' => $pluginName, 'action' => $methodName, 'parameters' => $finalParameters));
/**
* Triggered directly after an API request is dispatched.
*
* This event exists for convenience and is triggered immediately before the
* {@hook API.Request.dispatch.end} event. It can be used to modify the output of a **single**
* API method.
*
* _Note: This can be accomplished with the {@hook API.Request.dispatch.end} event as well,
* however event handlers for that event will have to do more work._
*
* **Example**
*
* // append (0 hits) to the end of row labels whose row has 0 hits
* Piwik::addAction('API.Actions.getPageUrls', function (&$returnValue, $info)) {
* $returnValue->filter('ColumnCallbackReplace', 'label', function ($label, $hits) {
* if ($hits === 0) {
* return $label . " (0 hits)";
* } else {
* return $label;
* }
* }, null, array('nb_hits'));
* }
*
* @param mixed &$returnedValue The API method's return value. Can be an object, such as a
* {@link Piwik\DataTable DataTable} instance.
* could be a {@link Piwik\DataTable DataTable}.
* @param array $extraInfo An array holding information regarding the API request. Will
* contain the following data:
*
* - **className**: The namespace-d class name of the API instance
* that's being called.
* - **module**: The name of the plugin the API request was
* dispatched to.
* - **action**: The name of the API method that was executed.
* - **parameters**: The array of parameters passed to the API
* method.
*/
Piwik::postEvent(sprintf('API.%s.%s.end', $pluginName, $methodName), $endHookParams);
/**
* Triggered directly after an API request is dispatched.
*
* This event can be used to modify the output of any API method.
*
* **Example**
*
* // append (0 hits) to the end of row labels whose row has 0 hits for any report that has the 'nb_hits' metric
* Piwik::addAction('API.Actions.getPageUrls.end', function (&$returnValue, $info)) {
* // don't process non-DataTable reports and reports that don't have the nb_hits column
* if (!($returnValue instanceof DataTableInterface)
* || in_array('nb_hits', $returnValue->getColumns())
* ) {
* return;
* }
*
* $returnValue->filter('ColumnCallbackReplace', 'label', function ($label, $hits) {
* if ($hits === 0) {
* return $label . " (0 hits)";
* } else {
* return $label;
* }
* }, null, array('nb_hits'));
* }
*
* @param mixed &$returnedValue The API method's return value. Can be an object, such as a
* {@link Piwik\DataTable DataTable} instance.
* @param array $extraInfo An array holding information regarding the API request. Will
* contain the following data:
*
* - **className**: The namespace-d class name of the API instance
* that's being called.
* - **module**: The name of the plugin the API request was
* dispatched to.
* - **action**: The name of the API method that was executed.
* - **parameters**: The array of parameters passed to the API
* method.
*/
Piwik::postEvent('API.Request.dispatch.end', $endHookParams);
// Restore the request
$_GET = $saveGET;
$_SERVER['QUERY_STRING'] = $saveQUERY_STRING;
} catch (Exception $e) {
$_GET = $saveGET;
throw $e;
}
return $returnedValue;
}
