/**
* Redirect classic routing from the old iRail to the new
* way the routing is done
*/
public function redirectHomeRoute($departure_station, $destination_station)
{
$departure = \hyperRail\StationString::convertToId($departure_station);
$destination = \hyperRail\StationString::convertToId($destination_station);
if ($departure != null && $destination != null) {
header("HTTP/1.1 301 Moved Permanently");
return Redirect::to("https://" . _DOMAIN_ . "/route" . "?from=" . $departure->{'@id'} . "&to=" . $destination->{'@id'} . "&time=" . date("Hi") . "&auto=true");
} else {
return "It looks like we couldn't convert your route request to the new format :(";
}
}
/**
* Shows a train or train data, based on the accept-header.
* @param $station_id
* @param $liveboard_id
* @return array
* @throws EasyRdf_Exception
*/
public function specificTrain($station_id, $liveboard_id)
{
$negotiator = new \Negotiation\FormatNegotiator();
$acceptHeader = Request::header('accept');
$priorities = array('application/json', 'text/html', '*/*');
$result = $negotiator->getBest($acceptHeader, $priorities);
$val = $result->getValue();
//get the right date-time to query
$datetime = substr($liveboard_id, 0, 12);
$datetime = strtotime($datetime);
$archived = false;
if ($datetime < strtotime("now")) {
$archived = true;
}
switch ($val) {
case "text/html":
// Convert id to string for interpretation by old API
$stationStringName = \hyperRail\StationString::convertToString($station_id);
if (!$archived) {
// Set up path to old api
$URL = "http://api.irail.be/liveboard/?station=" . urlencode($stationStringName->name) . "&date=" . date("mmddyy", $datetime) . "&time=" . date("Hi", $datetime) . "&fast=true&lang=nl&format=json";
// Get the contents of this path
$data = file_get_contents($URL);
// Convert the data to the new liveboard object
$newData = \hyperRail\FormatConverter::convertLiveboardData($data, $station_id);
// Read new liveboard object and return the page but load data
foreach ($newData['@graph'] as $graph) {
if (strpos($graph['@id'], $liveboard_id) !== false) {
return View::make('stations.departuredetail')->with('station', $graph)->with('departureStation', $stationStringName);
}
}
App::abort(404);
} else {
// If no match is found, attempt to look in the archive
// Fetch file using curl
$ch = curl_init("http://archive.irail.be/" . 'irail?subject=' . urlencode('http://irail.be/stations/NMBS/' . $station_id . '/departures/' . $liveboard_id));
curl_setopt($ch, CURLOPT_HEADER, 0);
$request_headers[] = 'Accept: text/turtle';
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$turtle = curl_exec($ch);
curl_close($ch);
// Convert turtle to json-ld
// Create a new graph
$graph = new EasyRdf_Graph();
if (empty($_REQUEST['data'])) {
// Load the sample information
$graph->parse($turtle, 'turtle');
}
// Export to JSON LD
$format = EasyRdf_Format::getFormat('jsonld');
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
// First, define the context
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"), "seeAlso" => array("@id" => "http://www.w3.org/2000/01/rdf-schema#seeAlso", "@type" => "@id"));
// Next, encode the context as JSON
$jsonContext = json_encode($context);
// Compact the JsonLD by using @context
$compacted = JsonLD::compact($output, $jsonContext);
// Print the resulting JSON-LD!
$urlToFind = 'NMBS/' . $station_id . '/departures/' . $liveboard_id;
$stationDataFallback = json_decode(JsonLD::toString($compacted, true));
foreach ($stationDataFallback->{'@graph'} as $graph) {
if (strpos($graph->{'@id'}, $urlToFind) !== false) {
return View::make('stations.departurearchive')->with('station', $graph)->with('departureStation', $stationStringName);
}
}
App::abort(404);
}
break;
case "application/json":
case "application/ld+json":
default:
$stationStringName = \hyperRail\StationString::convertToString($station_id);
if (!$archived) {
$URL = "http://api.irail.be/liveboard/?station=" . urlencode($stationStringName->name) . "&date=" . date("mmddyy", $datetime) . "&time=" . date("Hi", $datetime) . "&fast=true&lang=nl&format=json";
$data = file_get_contents($URL);
$newData = \hyperRail\FormatConverter::convertLiveboardData($data, $station_id);
foreach ($newData['@graph'] as $graph) {
if (strpos($graph['@id'], $liveboard_id) !== false) {
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"));
return array("@context" => $context, "@graph" => $graph);
}
}
App::abort(404);
} else {
// If no match is found, attempt to look in the archive
// Fetch file using curl
$ch = curl_init("http://archive.irail.be/" . 'irail?subject=' . urlencode('http://irail.be/stations/NMBS/' . $station_id . '/departures/' . $liveboard_id));
curl_setopt($ch, CURLOPT_HEADER, 0);
$request_headers[] = 'Accept: text/turtle';
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$turtle = curl_exec($ch);
curl_close($ch);
// Convert turtle to json-ld
// Create a new graph
$graph = new EasyRdf_Graph();
if (empty($_REQUEST['data'])) {
// Load the sample information
$graph->parse($turtle, 'turtle');
}
// Export to JSON LD
$format = EasyRdf_Format::getFormat('jsonld');
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
// First, define the context
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"), "seeAlso" => array("@id" => "http://www.w3.org/2000/01/rdf-schema#seeAlso", "@type" => "@id"));
// Next, encode the context as JSON
$jsonContext = json_encode($context);
// Compact the JsonLD by using @context
$compacted = JsonLD::compact($output, $jsonContext);
// Print the resulting JSON-LD!
$urlToFind = 'NMBS/' . $station_id . '/departures/' . $liveboard_id;
$stationDataFallback = json_decode(JsonLD::toString($compacted, true));
foreach ($stationDataFallback->{'@graph'} as $graph) {
if (strpos($graph->{'@id'}, $urlToFind) !== false) {
return array("@context" => $context, "@graph" => $graph);
}
}
App::abort(404);
}
break;
}
}
