| | |
| | | use transit_realtime\FeedMessage; |
| | | |
| | | class Mapper { |
| | | private $jsonTrips = []; |
| | | private $gtfsTrips = []; |
| | | private $ttssDate = NULL; |
| | | private $ttssTrips = []; |
| | | private $gtfsrtDate = NULL; |
| | | private $gtfsrtTrips = []; |
| | | private $logger = NULL; |
| | | |
| | | private $specialNames = [ |
| | |
| | | } |
| | | |
| | | public function loadTTSS($file) { |
| | | $json = json_decode(file_get_contents($file)); |
| | | foreach($json->vehicles as $vehicle) { |
| | | $ttss = json_decode(file_get_contents($file)); |
| | | $this->ttssDate = $ttss->lastUpdate; |
| | | foreach($ttss->vehicles as $vehicle) { |
| | | if(isset($vehicle->isDeleted) && $vehicle->isDeleted) continue; |
| | | if(!isset($vehicle->tripId) || !$vehicle->tripId) continue; |
| | | if(!isset($vehicle->name) || !$vehicle->name) continue; |
| | |
| | | continue; |
| | | } |
| | | } |
| | | $this->jsonTrips[(int)$vehicle->tripId] = [ |
| | | $this->ttssTrips[(int)$vehicle->tripId] = [ |
| | | 'id' => $vehicle->id, |
| | | 'latitude' => (float)$vehicle->latitude / 3600000.0, |
| | | 'longitude' => (float)$vehicle->longitude / 3600000.0, |
| | | ]; |
| | | } |
| | | ksort($this->jsonTrips); |
| | | ksort($this->ttssTrips); |
| | | } |
| | | |
| | | public function loadGTFS($file) { |
| | | public function getTTSSDate() { |
| | | return $this->ttssDate / 1000.0; |
| | | } |
| | | |
| | | public function loadGTFSRT($file) { |
| | | $data = file_get_contents($file); |
| | | $feed = new FeedMessage(); |
| | | $feed->parse($data); |
| | | $this->gtfsrtDate = $feed->header->timestamp; |
| | | foreach ($feed->getEntityList() as $entity) { |
| | | $vehiclePosition = $entity->getVehicle(); |
| | | $position = $vehiclePosition->getPosition(); |
| | | $vehicle = $vehiclePosition->getVehicle(); |
| | | $trip = $vehiclePosition->getTrip(); |
| | | $tripId = $trip->getTripId(); |
| | | $this->gtfsTrips[self::convertTripId($tripId)] = [ |
| | | $this->gtfsrtTrips[self::convertTripId($tripId)] = [ |
| | | 'id' => $entity->getId(), |
| | | 'num' => $vehicle->getLicensePlate(), |
| | | 'tripId' => $tripId, |
| | |
| | | 'longitude' => $position->getLongitude(), |
| | | ]; |
| | | } |
| | | ksort($this->gtfsTrips); |
| | | ksort($this->gtfsrtTrips); |
| | | } |
| | | |
| | | public function getGTFSRTDate() { |
| | | return $this->gtfsrtDate; |
| | | } |
| | | |
| | | public function findOffset() { |
| | | if(count($this->jsonTrips) == 0 || count($this->gtfsTrips) == 0) { |
| | | if(count($this->ttssTrips) == 0 || count($this->gtfsrtTrips) == 0) { |
| | | return NULL; |
| | | } |
| | | |
| | | $jsonTripIds = array_keys($this->jsonTrips); |
| | | $gtfsTripIds = array_keys($this->gtfsTrips); |
| | | $ttssTripIds = array_keys($this->ttssTrips); |
| | | $gtfsTripIds = array_keys($this->gtfsrtTrips); |
| | | |
| | | $possibleOffsets = []; |
| | | for($i = 0; $i < count($this->jsonTrips); $i++) { |
| | | for($j = 0; $j < count($this->gtfsTrips); $j++) { |
| | | $possibleOffsets[$jsonTripIds[$i] - $gtfsTripIds[$j]] = TRUE; |
| | | for($i = 0; $i < count($this->ttssTrips); $i++) { |
| | | for($j = 0; $j < count($this->gtfsrtTrips); $j++) { |
| | | $possibleOffsets[$ttssTripIds[$i] - $gtfsTripIds[$j]] = TRUE; |
| | | } |
| | | } |
| | | $possibleOffsets = array_keys($possibleOffsets); |
| | |
| | | |
| | | foreach($gtfsTripIds as $tripId) { |
| | | $tripId += $offset; |
| | | if(isset($this->jsonTrips[$tripId])) { |
| | | if(isset($this->ttssTrips[$tripId])) { |
| | | $matched++; |
| | | } |
| | | } |
| | |
| | | return $bestOffset; |
| | | } |
| | | |
| | | public function getMapping($offset) { |
| | | public function mapUsingOffset($offset, $mapper) { |
| | | $result = []; |
| | | foreach($this->gtfsTrips as $gtfsTripId => $gtfsTrip) { |
| | | $jsonTripId = $gtfsTripId + $offset; |
| | | if(isset($this->jsonTrips[$jsonTripId])) { |
| | | $data = numToTypeB($gtfsTrip['id']); |
| | | foreach($this->gtfsrtTrips as $gtfsTripId => $gtfsTrip) { |
| | | $ttssTripId = $gtfsTripId + $offset; |
| | | if(isset($this->ttssTrips[$ttssTripId])) { |
| | | $data = $mapper($gtfsTrip['id']); |
| | | $num = $gtfsTrip['num']; |
| | | if(!is_array($data) || !isset($data['num'])) { |
| | | $data = [ |
| | | 'num' => $num, |
| | | 'low' => 2, |
| | | 'num' => $num ?: '??'.$gtfsTrip['id'], |
| | | 'low' => NULL, |
| | | ]; |
| | | } elseif($data['num'] != $num) { |
| | | // Ignore due to incorrect depot markings in the data |
| | | //$this->logger->warn('Got '.$num.', database has '.$data['num']); |
| | | } |
| | | $result[$this->jsonTrips[$jsonTripId]['id']] = $data; |
| | | $result[$this->ttssTrips[$ttssTripId]['id']] = $data; |
| | | } |
| | | } |
| | | return $result; |