/**
* @return IPresenterResponse
*/
public function run(NPresenterRequest $request)
{
$this->request = $request;
$httpRequest = $this->context->getByType('IHttpRequest');
if (!$httpRequest->isAjax() && ($request->isMethod('get') || $request->isMethod('head'))) {
$refUrl = clone $httpRequest->getUrl();
$url = $this->context->getService('router')->constructUrl($request, $refUrl->setPath($refUrl->getScriptPath()));
if ($url !== NULL && !$httpRequest->getUrl()->isEqual($url)) {
return new NRedirectResponse($url, IHttpResponse::S301_MOVED_PERMANENTLY);
}
}
$params = $request->getParameters();
if (!isset($params['callback'])) {
throw new NBadRequestException("Parameter callback is missing.");
}
$params['presenter'] = $this;
$callback = new NCallback($params['callback']);
$response = $callback->invokeArgs(NPresenterComponentReflection::combineArgs($callback->toReflection(), $params));
if (is_string($response)) {
$response = array($response, array());
}
if (is_array($response)) {
if ($response[0] instanceof SplFileInfo) {
$response = $this->createTemplate('NFileTemplate')
->setParameters($response[1])->setFile($response[0]);
} else {
$response = $this->createTemplate('NTemplate')
->setParameters($response[1])->setSource($response[0]);
}
}
if ($response instanceof ITemplate) {
return new NTextResponse($response);
} else {
return $response;
}
}
/**
* Converts list of arguments to named parameters.
* @param string class name
* @param string method name
* @param array arguments
* @param array supplemental arguments
* @return void
* @throws NInvalidLinkException
*/
private static function argsToParams($class, $method, & $args, $supplemental = array())
{
$i = 0;
$rm = new ReflectionMethod($class, $method);
foreach ($rm->getParameters() as $param) {
$name = $param->getName();
if (array_key_exists($i, $args)) {
$args[$name] = $args[$i];
unset($args[$i]);
$i++;
} elseif (array_key_exists($name, $args)) {
// continue with process
} elseif (array_key_exists($name, $supplemental)) {
$args[$name] = $supplemental[$name];
} else {
continue;
}
if ($args[$name] === NULL) {
continue;
}
$def = $param->isDefaultValueAvailable() && $param->isOptional() ? $param->getDefaultValue() : NULL; // see PHP bug #62988
$type = $param->isArray() ? 'array' : gettype($def);
if (!NPresenterComponentReflection::convertType($args[$name], $type)) {
throw new NInvalidLinkException("Invalid value for parameter '$name' in method $class::$method(), expected " . ($type === 'NULL' ? 'scalar' : $type) . ".");
}
if ($args[$name] === $def || ($def === NULL && is_scalar($args[$name]) && (string) $args[$name] === '')) {
$args[$name] = NULL; // value transmit is unnecessary
}
}
if (array_key_exists($i, $args)) {
$method = $rm->getName();
throw new NInvalidLinkException("Passed more parameters than method $class::$method() expects.");
}
}
protected final function createRequest($component, $destination, array $args, $mode)
{
static $presenterLoader, $router, $httpRequest;
if ($presenterLoader === NULL) {
$presenterLoader = $this->getApplication()->getPresenterLoader();
$router = $this->getApplication()->getRouter();
$httpRequest = $this->getHttpRequest();
}
$this->lastCreatedRequest = $this->lastCreatedRequestFlag = NULL;
$a = strpos($destination, '#');
if ($a === FALSE) {
$fragment = '';
} else {
$fragment = substr($destination, $a);
$destination = substr($destination, 0, $a);
}
$a = strpos($destination, '?');
if ($a !== FALSE) {
parse_str(substr($destination, $a + 1), $args);
$destination = substr($destination, 0, $a);
}
$a = strpos($destination, '//');
if ($a === FALSE) {
$scheme = FALSE;
} else {
$scheme = substr($destination, 0, $a);
$destination = substr($destination, $a + 2);
}
if (!$component instanceof NPresenter || substr($destination, -1) === '!') {
$signal = rtrim($destination, '!');
$a = strrpos($signal, ':');
if ($a !== FALSE) {
$component = $component->getComponent(strtr(substr($signal, 0, $a), ':', '-'));
$signal = (string) substr($signal, $a + 1);
}
if ($signal == NULL) {
throw new NInvalidLinkException("Signal must be non-empty string.");
}
$destination = 'this';
}
if ($destination == NULL) {
throw new NInvalidLinkException("Destination must be non-empty string.");
}
$current = FALSE;
$a = strrpos($destination, ':');
if ($a === FALSE) {
$action = $destination === 'this' ? $this->action : $destination;
$presenter = $this->getName();
$presenterClass = get_class($this);
} else {
$action = (string) substr($destination, $a + 1);
if ($destination[0] === ':') {
if ($a < 2) {
throw new NInvalidLinkException("Missing presenter name in '{$destination}'.");
}
$presenter = substr($destination, 1, $a - 1);
} else {
$presenter = $this->getName();
$b = strrpos($presenter, ':');
if ($b === FALSE) {
$presenter = substr($destination, 0, $a);
} else {
$presenter = substr($presenter, 0, $b + 1) . substr($destination, 0, $a);
}
}
$presenterClass = $presenterLoader->getPresenterClass($presenter);
}
if (isset($signal)) {
$reflection = new NPresenterComponentReflection(get_class($component));
if ($signal === 'this') {
$signal = '';
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to 'this!' signal.");
}
} elseif (strpos($signal, self::NAME_SEPARATOR) === FALSE) {
$method = $component->formatSignalMethod($signal);
if (!$reflection->hasCallableMethod($method)) {
throw new NInvalidLinkException("Unknown signal '{$signal}', missing handler {$reflection->name}::{$method}()");
}
if ($args) {
self::argsToParams(get_class($component), $method, $args);
}
}
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$component->saveState($args);
}
if ($args && $component !== $this) {
$prefix = $component->getUniqueId() . self::NAME_SEPARATOR;
foreach ($args as $key => $val) {
unset($args[$key]);
$args[$prefix . $key] = $val;
}
}
}
if (is_subclass_of($presenterClass, __CLASS__)) {
if ($action === '') {
$action = self::$defaultAction;
}
$current = ($action === '*' || $action === $this->action) && $presenterClass === get_class($this);
$reflection = new NPresenterComponentReflection($presenterClass);
if ($args || $destination === 'this') {
$method = call_user_func(array($presenterClass, 'formatActionMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = call_user_func(array($presenterClass, 'formatRenderMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = NULL;
}
}
if ($method === NULL) {
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to action '{$presenter}:{$action}', missing corresponding method.");
}
} elseif ($destination === 'this') {
self::argsToParams($presenterClass, $method, $args, $this->params);
} else {
self::argsToParams($presenterClass, $method, $args);
}
}
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$this->saveState($args, $reflection);
}
$globalState = $this->getGlobalState($destination === 'this' ? NULL : $presenterClass);
if ($current && $args) {
$tmp = $globalState + $this->params;
foreach ($args as $key => $val) {
if ((string) $val !== (isset($tmp[$key]) ? (string) $tmp[$key] : '')) {
$current = FALSE;
break;
}
}
}
$args += $globalState;
}
$args[self::ACTION_KEY] = $action;
if (!empty($signal)) {
$args[self::SIGNAL_KEY] = $component->getParamId($signal);
$current = $current && $args[self::SIGNAL_KEY] === $this->getParam(self::SIGNAL_KEY);
}
if (($mode === 'redirect' || $mode === 'forward') && $this->hasFlashSession()) {
$args[self::FLASH_KEY] = $this->getParam(self::FLASH_KEY);
}
$this->lastCreatedRequest = new NPresenterRequest($presenter, NPresenterRequest::FORWARD, $args, array(), array());
$this->lastCreatedRequestFlag = array('current' => $current);
if ($mode === 'forward') {
return;
}
$uri = $router->constructUrl($this->lastCreatedRequest, $httpRequest->getUri());
if ($uri === NULL) {
unset($args[self::ACTION_KEY]);
$params = urldecode(http_build_query($args, NULL, ', '));
throw new NInvalidLinkException("No route for {$presenter}:{$action}({$params})");
}
if ($mode === 'link' && $scheme === FALSE && !$this->absoluteUrls) {
$hostUri = $httpRequest->getUri()->getHostUri();
if (strncmp($uri, $hostUri, strlen($hostUri)) === 0) {
$uri = substr($uri, strlen($hostUri));
}
}
return $uri . $fragment;
}
/**
* Saves state informations for next request.
* @param array
* @param NPresenterComponentReflection (internal, used by Presenter)
* @return void
*/
public function saveState(array & $params, $reflection = NULL)
{
$reflection = $reflection === NULL ? $this->getReflection() : $reflection;
foreach ($reflection->getPersistentParams() as $name => $meta) {
if (isset($params[$name])) {
// injected value
} elseif (array_key_exists($name, $params)) { // NULLs are skipped
continue;
} elseif (!isset($meta['since']) || $this instanceof $meta['since']) {
$params[$name] = $this->$name; // object property value
} else {
continue; // ignored parameter
}
$type = gettype($meta['def'] === NULL ? $params[$name] : $meta['def']); // compatible with 2.0.x
if (!NPresenterComponentReflection::convertType($params[$name], $type)) {
throw new NInvalidLinkException("Invalid value for persistent parameter '$name' in '{$this->getName()}', expected " . ($type === 'NULL' ? 'scalar' : $type) . ".");
}
if ($params[$name] === $meta['def'] || ($meta['def'] === NULL && is_scalar($params[$name]) && (string) $params[$name] === '')) {
$params[$name] = NULL; // value transmit is unnecessary
}
}
}
/**
* Request/URL factory.
* @param NPresenterComponent base
* @param string destination in format "[[module:]presenter:]action" or "signal!" or "this"
* @param array array of arguments
* @param string forward|redirect|link
* @return string URL
* @throws NInvalidLinkException
* @internal
*/
final protected function createRequest($component, $destination, array $args, $mode)
{
// note: createRequest supposes that saveState(), run() & tryCall() behaviour is final
// cached services for better performance
static $presenterFactory, $router, $refUrl;
if ($presenterFactory === NULL) {
$presenterFactory = $this->getApplication()->getPresenterFactory();
$router = $this->getApplication()->getRouter();
$refUrl = new NUrl($this->getHttpRequest()->getUrl());
$refUrl->setPath($this->getHttpRequest()->getUrl()->getScriptPath());
}
$this->lastCreatedRequest = $this->lastCreatedRequestFlag = NULL;
// PARSE DESTINATION
// 1) fragment
$a = strpos($destination, '#');
if ($a === FALSE) {
$fragment = '';
} else {
$fragment = substr($destination, $a);
$destination = substr($destination, 0, $a);
}
// 2) ?query syntax
$a = strpos($destination, '?');
if ($a !== FALSE) {
parse_str(substr($destination, $a + 1), $args); // requires disabled magic quotes
$destination = substr($destination, 0, $a);
}
// 3) URL scheme
$a = strpos($destination, '//');
if ($a === FALSE) {
$scheme = FALSE;
} else {
$scheme = substr($destination, 0, $a);
$destination = substr($destination, $a + 2);
}
// 4) signal or empty
if (!$component instanceof NPresenter || substr($destination, -1) === '!') {
$signal = rtrim($destination, '!');
$a = strrpos($signal, ':');
if ($a !== FALSE) {
$component = $component->getComponent(strtr(substr($signal, 0, $a), ':', '-'));
$signal = (string) substr($signal, $a + 1);
}
if ($signal == NULL) { // intentionally ==
throw new NInvalidLinkException("Signal must be non-empty string.");
}
$destination = 'this';
}
if ($destination == NULL) { // intentionally ==
throw new NInvalidLinkException("Destination must be non-empty string.");
}
// 5) presenter: action
$current = FALSE;
$a = strrpos($destination, ':');
if ($a === FALSE) {
$action = $destination === 'this' ? $this->action : $destination;
$presenter = $this->getName();
$presenterClass = get_class($this);
} else {
$action = (string) substr($destination, $a + 1);
if ($destination[0] === ':') { // absolute
if ($a < 2) {
throw new NInvalidLinkException("Missing presenter name in '$destination'.");
}
$presenter = substr($destination, 1, $a - 1);
} else { // relative
$presenter = $this->getName();
$b = strrpos($presenter, ':');
if ($b === FALSE) { // no module
$presenter = substr($destination, 0, $a);
} else { // with module
$presenter = substr($presenter, 0, $b + 1) . substr($destination, 0, $a);
}
}
try {
$presenterClass = $presenterFactory->getPresenterClass($presenter);
} catch (NInvalidPresenterException $e) {
throw new NInvalidLinkException($e->getMessage());
}
}
// PROCESS SIGNAL ARGUMENTS
if (isset($signal)) { // $component must be IStatePersistent
$reflection = new NPresenterComponentReflection(get_class($component));
if ($signal === 'this') { // means "no signal"
$signal = '';
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to 'this!' signal.");
}
} elseif (strpos($signal, self::NAME_SEPARATOR) === FALSE) { // TODO: AppForm exception
// counterpart of signalReceived() & tryCall()
$method = $component->formatSignalMethod($signal);
if (!$reflection->hasCallableMethod($method)) {
throw new NInvalidLinkException("Unknown signal '$signal', missing handler {$reflection->name}::$method()");
}
if ($args) { // convert indexed parameters to named
self::argsToParams(get_class($component), $method, $args);
}
}
// counterpart of IStatePersistent
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$component->saveState($args);
}
if ($args && $component !== $this) {
$prefix = $component->getUniqueId() . self::NAME_SEPARATOR;
foreach ($args as $key => $val) {
unset($args[$key]);
$args[$prefix . $key] = $val;
}
}
}
// PROCESS ARGUMENTS
if (is_subclass_of($presenterClass, __CLASS__)) {
if ($action === '') {
$action = self::DEFAULT_ACTION;
}
$current = ($action === '*' || strcasecmp($action, $this->action) === 0) && $presenterClass === get_class($this); // TODO
$reflection = new NPresenterComponentReflection($presenterClass);
if ($args || $destination === 'this') {
// counterpart of run() & tryCall()
$method = call_user_func(array($presenterClass, 'formatActionMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = call_user_func(array($presenterClass, 'formatRenderMethod'), $action);
if (!$reflection->hasCallableMethod($method)) {
$method = NULL;
}
}
// convert indexed parameters to named
if ($method === NULL) {
if (array_key_exists(0, $args)) {
throw new NInvalidLinkException("Unable to pass parameters to action '$presenter:$action', missing corresponding method.");
}
} elseif ($destination === 'this') {
self::argsToParams($presenterClass, $method, $args, $this->params);
} else {
self::argsToParams($presenterClass, $method, $args);
}
}
// counterpart of IStatePersistent
if ($args && array_intersect_key($args, $reflection->getPersistentParams())) {
$this->saveState($args, $reflection);
}
$globalState = $this->getGlobalState($destination === 'this' ? NULL : $presenterClass);
if ($current && $args) {
$tmp = $globalState + $this->params;
foreach ($args as $key => $val) {
if ((string) $val !== (isset($tmp[$key]) ? (string) $tmp[$key] : '')) {
$current = FALSE;
break;
}
}
}
$args += $globalState;
}
// ADD ACTION & SIGNAL & FLASH
$args[self::ACTION_KEY] = $action;
if (!empty($signal)) {
$args[self::SIGNAL_KEY] = $component->getParameterId($signal);
$current = $current && $args[self::SIGNAL_KEY] === $this->getParameter(self::SIGNAL_KEY);
}
if (($mode === 'redirect' || $mode === 'forward') && $this->hasFlashSession()) {
$args[self::FLASH_KEY] = $this->getParameter(self::FLASH_KEY);
}
$this->lastCreatedRequest = new NPresenterRequest(
$presenter,
NPresenterRequest::FORWARD,
$args,
array(),
array()
);
$this->lastCreatedRequestFlag = array('current' => $current);
if ($mode === 'forward') {
return;
}
// CONSTRUCT URL
$url = $router->constructUrl($this->lastCreatedRequest, $refUrl);
if ($url === NULL) {
unset($args[self::ACTION_KEY]);
$params = urldecode(http_build_query($args, NULL, ', '));
throw new NInvalidLinkException("No route for $presenter:$action($params)");
}
// make URL relative if possible
if ($mode === 'link' && $scheme === FALSE && !$this->absoluteUrls) {
$hostUrl = $refUrl->getHostUrl();
if (strncmp($url, $hostUrl, strlen($hostUrl)) === 0) {
$url = substr($url, strlen($hostUrl));
}
}
return $url . $fragment;
}
