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 $result;
}
private function canonicalizeDestination($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;
}
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);
}
