break; case 'triprows': $trip_id = $_REQUEST['trip']; $result = GTFSReader::trip_rows($trip_id); echo json_encode($result); break; case 'tripshape': $trip_id = $_REQUEST['trip']; $trip = GTFSReader::get_trip($trip_id); $result = $trip->shape->points; echo json_encode($result); break; case 'stoptrips': $stop_id = $_REQUEST['stop']; $time = $_REQUEST['time']; $result = GTFSReader::get_trips_for_stop($stop_id, $time); echo json_encode($result); break; case 'stopsearch': $query = $_REQUEST['q']; break; case 'setstoplocation': $stop_id = $_REQUEST['id']; $lat = $_REQUEST['lat']; $lon = $_REQUEST['lng']; break; case 'savedata': break; default: break; }
public static function init($gtfs_feed_location)
{
if (!self::$routes) {
self::$zip = new ZipArchive();
if (self::$zip->open($gtfs_feed_location) !== TRUE) {
error_log("failed to open zip archive");
return;
}
// create all route objects
self::$csv = new CsvWrapper('routes.txt', self::$zip);
while ($fields = self::$csv->next()) {
$route_id = $fields['route_id'];
$route = new ShuttleRoute($fields);
self::$routes[$route_id] = $route;
}
// create all trip and service objects; associate routes with trips
self::$csv->reset_file('trips.txt');
while ($fields = self::$csv->next()) {
$trip_id = $fields['trip_id'];
$trip = new ShuttleTrip($fields);
self::$trips[$trip_id] = $trip;
$route_id = $fields['route_id'];
self::$routes[$route_id]->add_trip($trip);
$service_id = $fields['service_id'];
if (!array_key_exists($service_id, self::$services)) {
self::$services[$service_id] = new ShuttleService();
}
$service = self::$services[$service_id];
$service->id = $service_id;
$trip->service = $service;
$shape_id = $fields['shape_id'];
if (!array_key_exists($shape_id, self::$shapes)) {
self::$shapes[$shape_id] = new ShuttleShape();
}
$trip->shape = self::$shapes[$shape_id];
}
// create stop list for each trips
self::$csv->reset_file('stop_times.txt');
while ($fields = self::$csv->next()) {
$trip_id = $fields['trip_id'];
self::$trips[$trip_id]->add_stop_time($fields);
}
// setup service list
self::$csv->reset_file('calendar.txt');
while ($fields = self::$csv->next()) {
$service_id = $fields['service_id'];
$service = self::$services[$service_id];
$service->add_range($fields);
}
self::$csv->reset_file('calendar_dates.txt');
while ($fields = self::$csv->next()) {
$service_id = $fields['service_id'];
$service = self::$services[$service_id];
$service->add_exception($fields);
}
// get interval and today's runs
self::$csv->reset_file('frequencies.txt');
while ($fields = self::$csv->next()) {
$trip_id = $fields['trip_id'];
self::$trips[$trip_id]->add_frequency($fields);
}
// get attributes of physical stops
self::$csv->reset_file('stops.txt');
while ($fields = self::$csv->next()) {
self::$stops[$fields['stop_id']] = new ShuttleStop($fields);
}
// get shapes
self::$csv->reset_file('shapes.txt');
while ($fields = self::$csv->next()) {
$shape_id = $fields['shape_id'];
self::$shapes[$shape_id]->add_point($fields);
}
}
}
