private function getSpecificPois($latitude, $longitude)
{
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json', 'X-Gowalla-API-Key: ' . $this->apiKey));
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
$uri = new Uri('http://api.gowalla.com/spots');
$uri->setQuery(array('lat' => (string) $latitude, 'lng' => (string) $longitude, 'radius' => (string) $this->radius));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
$json = json_decode($result);
if ($json == FALSE) {
throw new InvalidStateException('Malformed JSON response.');
}
$spots = $json->spots;
$pois = array();
foreach ($spots as $spot) {
$poi = new Poi();
$poi->name = $spot->name;
$poi->address = $spot->address->locality;
$poi->latitude = $spot->lat;
$poi->longitude = $spot->lng;
$poi->url = 'http://gowalla.com' . $spot->url;
$id = explode('/', $spot->spot_categories[0]->url);
$poi->imageUrl = GowallaCategoryImage::get($id[count($id) - 1]);
$types = array();
foreach ($spot->spot_categories as $category) {
$types[] = $category->name;
}
$poi->types = implode(', ', $types);
$pois[] = $poi;
}
return $pois;
}
protected function getFlightResults($searchid)
{
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
$uri = new Uri('http://www.kayak.com/s/apibasic/flight');
$uri->setQuery(array('searchid' => $searchid, 'c' => C, 'm' => M, 'd' => D, 's' => S, 'apimode' => APIMODE, "_sid_" => $this->getSessionId(), 'version' => VERSION));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
return $result;
}
/**
* Constructs absolute URL from PresenterRequest object.
* @param PresenterRequest
* @param Nette\Web\Uri
* @return string|NULL
*/
public function constructUrl(PresenterRequest $appRequest, Nette\Web\Uri $refUri)
{
$params = $appRequest->getParams();
// presenter name
$presenter = $appRequest->getPresenterName();
if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
$params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
} else {
return NULL;
}
// remove default values; NULL values are retain
foreach ($this->defaults as $key => $value) {
if (isset($params[$key]) && $params[$key] == $value) {
// intentionally ==
unset($params[$key]);
}
}
$uri = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUri->getAuthority() . $refUri->getPath();
$sep = ini_get('arg_separator.input');
$query = http_build_query($params, '', $sep ? $sep[0] : '&');
if ($query != '') {
// intentionally ==
$uri .= '?' . $query;
}
return $uri;
}
private function canonicalizeDestination($destination)
{
// searching for any string that wikipedia knows
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
curl_setopt($c, CURLOPT_USERAGENT, 'Travelbot 1.0 beta');
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($c, CURLOPT_MAXREDIRS, 100);
$uri = new Uri('http://en.wikipedia.org/w/api.php');
$uri->setQuery(array('format' => 'json', 'action' => 'opensearch', 'search' => $destination, 'limit' => 5));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
$json = json_decode($result);
if ($json === FALSE) {
throw new InvalidStateException('Malformed JSON response.');
}
if (!isset($json[1][0])) {
throw new ArticleException('Article not found.');
}
$destination = $json[1][0];
// canonization (redirection to the final article)
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
curl_setopt($c, CURLOPT_USERAGENT, 'Travelbot 1.0 beta');
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($c, CURLOPT_MAXREDIRS, 100);
$uri = new Uri('http://en.wikipedia.org/w/api.php');
$uri->setQuery(array('format' => 'json', 'action' => 'query', 'titles' => $destination, 'redirects' => TRUE));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
$json = json_decode($result);
if ($json === FALSE) {
return $destination;
}
if (isset($json->query->redirects[0])) {
return $json->query->redirects[0]->to;
} else {
if (isset($json->query->normalized[0])) {
return String::capitalize($json->query->normalized[0]->to);
}
}
return $destination;
}
/**
* Returns coordinates by given location string.
* @param string
* @return array
*/
public function getCoordinates($location)
{
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
$uri = new Uri('http://maps.googleapis.com/maps/api/geocode/json');
$uri->setQuery(array('address' => $location, 'sensor' => 'false'));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
// parsing json results
$json = json_decode($result);
if ($json == FALSE || $json->status != 'OK') {
throw new InvalidStateException('Malformed JSON data.');
}
return array('latitude' => $json->results[0]->geometry->location->lat, 'longitude' => $json->results[0]->geometry->location->lng);
}
public function getTripDirections($departure, $arrival)
{
// curl initialization
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
// using Nette\Web\Uri for escaping GET parameters
$uri = new Uri('http://maps.googleapis.com/maps/api/directions/json');
$uri->setQuery(array('origin' => $departure, 'destination' => $arrival, 'sensor' => 'false'));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
$json = json_decode($result);
if ($json == FALSE || $json->status != 'OK') {
throw new InvalidStateException('Malformed JSON response.');
}
return $json;
}
public function getEvents($location, DateTime $date)
{
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));
curl_setopt($c, CURLOPT_FOLLOWLOCATION, TRUE);
// using Nette\Web\Uri for escaping GET parameters
$uri = new Uri('http://api.eventful.com/rest/events/search');
$uri->setQuery(array('user' => $this->user, 'password' => $this->password, 'app_key' => $this->key, 'location' => $location, 'within' => '10', 'units' => 'km'));
curl_setopt($c, CURLOPT_URL, (string) $uri);
$result = curl_exec($c);
curl_close($c);
$xml = @simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA);
if ($xml == FALSE) {
throw new InvalidStateException('Malformed XML response.');
}
$events = array();
foreach ($xml->events->event as $xmlEvent) {
$event = new Event();
$event->setTitle((string) $xmlEvent->title)->setUrl((string) $xmlEvent->url)->setDescription((string) $xmlEvent->description)->setDate(DateTime::createFromFormat('Y-m-d H:i:s', (string) $xmlEvent->start_time))->setVenue(new Venue((string) $xmlEvent->venue_name, (string) $xmlEvent->venue_url))->setLatitude((string) $xmlEvent->latitude)->setLongitude((string) $xmlEvent->longitude);
$events[] = $event;
}
return $events;
}
/**
* Constructs absolute URL from PresenterRequest object.
*
* @author Jan Tvrdík
* @param PresenterRequest
* @param Uri
* @return string|NULL absolute URI or NULL
*/
public function constructUrl(PresenterRequest $appRequest, Uri $refUri)
{
if ($appRequest->getPresenterName() !== $this->presenter) return NULL;
$params = $appRequest->getParams();
if (!isset($params['page'])) return NULL;
$page = $params['page'];
if ($page === $this->homepage) {
$page = '';
} elseif (substr($page, ($pos = strrpos($page, '/') + 1)) === $this->defaultPage) {
$page = substr($page, 0, $pos);
}
return $refUri->getBaseUri() . $page;
}
/**
* Constructs absolute URL from PresenterRequest object.
* @param PresenterRequest
* @param Nette\Web\Uri
* @return string|NULL
*/
public function constructUrl(PresenterRequest $appRequest, Nette\Web\Uri $refUri)
{
if ($this->flags & self::ONE_WAY) {
return NULL;
}
$params = $appRequest->getParams();
$metadata = $this->metadata;
$presenter = $appRequest->getPresenterName();
$params[self::PRESENTER_KEY] = $presenter;
if (isset($metadata[self::MODULE_KEY])) { // try split into module and [submodule:]presenter parts
$module = $metadata[self::MODULE_KEY];
if (isset($module['fixity']) && strncasecmp($presenter, $module[self::VALUE] . ':', strlen($module[self::VALUE]) + 1) === 0) {
$a = strlen($module[self::VALUE]);
} else {
$a = strrpos($presenter, ':');
}
if ($a === FALSE) {
$params[self::MODULE_KEY] = '';
} else {
$params[self::MODULE_KEY] = substr($presenter, 0, $a);
$params[self::PRESENTER_KEY] = substr($presenter, $a + 1);
}
}
foreach ($metadata as $name => $meta) {
if (!isset($params[$name])) continue; // retains NULL values
if (isset($meta['fixity'])) {
if (is_scalar($params[$name]) && strcasecmp($params[$name], $meta[self::VALUE]) === 0) {
// remove default values; NULL values are retain
unset($params[$name]);
continue;
} elseif ($meta['fixity'] === self::CONSTANT) {
return NULL; // missing or wrong parameter '$name'
}
}
if (!is_scalar($params[$name])) {
} elseif (isset($meta['filterTable2'][$params[$name]])) {
$params[$name] = $meta['filterTable2'][$params[$name]];
} elseif (isset($meta[self::FILTER_OUT])) {
$params[$name] = call_user_func($meta[self::FILTER_OUT], $params[$name]);
}
if (isset($meta[self::PATTERN]) && !preg_match($meta[self::PATTERN], rawurldecode($params[$name]))) {
return NULL; // pattern not match
}
}
// compositing path
$sequence = $this->sequence;
$brackets = array();
$required = 0;
$uri = '';
$i = count($sequence) - 1;
do {
$uri = $sequence[$i] . $uri;
if ($i === 0) break;
$i--;
$name = $sequence[$i]; $i--; // parameter name
if ($name === ']') { // opening optional part
$brackets[] = $uri;
} elseif ($name[0] === '[') { // closing optional part
$tmp = array_pop($brackets);
if ($required < count($brackets) + 1) { // is this level optional?
if ($name !== '[!') { // and not "required"-optional
$uri = $tmp;
}
} else {
$required = count($brackets);
}
} elseif ($name[0] === '?') { // "foo" parameter
continue;
} elseif (isset($params[$name]) && $params[$name] != '') { // intentionally ==
$required = count($brackets); // make this level required
$uri = $params[$name] . $uri;
unset($params[$name]);
} elseif (isset($metadata[$name]['fixity'])) { // has default value?
$uri = $metadata[$name]['defOut'] . $uri;
} else {
return NULL; // missing parameter '$name'
}
} while (TRUE);
// build query string
if ($this->xlat) {
$params = self::renameKeys($params, $this->xlat);
}
$sep = ini_get('arg_separator.input');
$query = http_build_query($params, '', $sep ? $sep[0] : '&');
if ($query != '') $uri .= '?' . $query; // intentionally ==
// absolutize path
if ($this->type === self::RELATIVE) {
$uri = '//' . $refUri->getAuthority() . $refUri->getBasePath() . $uri;
} elseif ($this->type === self::PATH) {
$uri = '//' . $refUri->getAuthority() . $uri;
}
if (strpos($uri, '//', 2) !== FALSE) {
return NULL; // TODO: implement counterpart in match() ?
}
$uri = ($this->flags & self::SECURED ? 'https:' : 'http:') . $uri;
return $uri;
}
/**
* PresenterRequest/URL factory.
* @param PresenterComponent base
* @param string destination in format "[[module:]presenter:]action" or "signal!" or "this"
* @param array array of arguments
* @param string forward|redirect|link
* @return string URL
* @throws InvalidLinkException
* @internal
*/
protected final function createRequest($component, $destination, array $args, $mode)
{
// note: createRequest supposes that saveState(), run() & tryCall() behaviour is final
// cached services for better performance
static $presenterLoader, $router, $refUri;
if ($presenterLoader === NULL) {
$presenterLoader = $this->getApplication()->getPresenterLoader();
$router = $this->getApplication()->getRouter();
$refUri = new Nette\Web\Uri($this->getHttpRequest()->getUri());
$refUri->setPath($this->getHttpRequest()->getUri()->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 Presenter || 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 InvalidLinkException("Signal must be non-empty string.");
}
$destination = 'this';
}
if ($destination == NULL) {
// intentionally ==
throw new InvalidLinkException("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 ($a < 2) {
throw new InvalidLinkException("Missing presenter name in '{$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);
}
}
$presenterClass = $presenterLoader->getPresenterClass($presenter);
}
// PROCESS SIGNAL ARGUMENTS
if (isset($signal)) {
// $component must be IStatePersistent
$reflection = new PresenterComponentReflection(get_class($component));
if ($signal === 'this') {
// means "no signal"
$signal = '';
if (array_key_exists(0, $args)) {
throw new InvalidLinkException("Unable to pass parameters to 'this!' signal.");
}
} elseif (strpos($signal, self::NAME_SEPARATOR) === FALSE) {
// TODO: AppForm exception
// counterpart of signalReceived() & tryCall()
$method = $component->formatSignalMethod($signal);
if (!$reflection->hasCallableMethod($method)) {
throw new InvalidLinkException("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 = $presenterClass::$defaultAction;
}
$current = ($action === '*' || $action === $this->action) && $presenterClass === get_class($this);
// TODO
$reflection = new PresenterComponentReflection($presenterClass);
if ($args || $destination === 'this') {
// counterpart of run() & tryCall()
/**/
$method = $presenterClass::formatActionMethod($action);
/**/
/*5.2* $method = call_user_func(array($presenterClass, 'formatActionMethod'), $action);*/
if (!$reflection->hasCallableMethod($method)) {
/**/
$method = $presenterClass::formatRenderMethod($action);
/**/
/*5.2* $method = call_user_func(array($presenterClass, 'formatRenderMethod'), $action);*/
if (!$reflection->hasCallableMethod($method)) {
$method = NULL;
}
}
// convert indexed parameters to named
if ($method === NULL) {
if (array_key_exists(0, $args)) {
throw new InvalidLinkException("Unable to pass parameters to action '{$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] = $component->getParamId($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);
}
$this->lastCreatedRequest = new PresenterRequest($presenter, PresenterRequest::FORWARD, $args, array(), array());
$this->lastCreatedRequestFlag = array('current' => $current);
if ($mode === 'forward') {
return;
}
// CONSTRUCT URL
$uri = $router->constructUrl($this->lastCreatedRequest, $refUri);
if ($uri === NULL) {
unset($args[self::ACTION_KEY]);
$params = urldecode(http_build_query($args, NULL, ', '));
throw new InvalidLinkException("No route for {$presenter}:{$action}({$params})");
}
// make URL relative if possible
if ($mode === 'link' && $scheme === FALSE && !$this->absoluteUrls) {
$hostUri = $refUri->getHostUri();
if (strncmp($uri, $hostUri, strlen($hostUri)) === 0) {
$uri = substr($uri, strlen($hostUri));
}
}
return $uri . $fragment;
}
private function getSignature(Uri $absoluteUri)
{
$uri = new Uri($absoluteUri->path . $absoluteUri->query);
$uri->setQuery(array('sensor' => 'false', 'client' => $this->clientID));
return hash_hmac('sha1', $uri->path . '?' . $uri->query, $this->key);
}
