<?php
|
require_once(__DIR__.'/../vendor/autoload.php');
|
require_once(__DIR__.'/vehicle_types.php');
|
|
use transit_realtime\FeedMessage;
|
|
class Mapper {
|
private $ttssDate = NULL;
|
private $ttssTrips = [];
|
private $gtfsrtDate = NULL;
|
private $gtfsrtTrips = [];
|
private $gtfsTrips = [];
|
private $gtfsRoutes = [];
|
private $logger = NULL;
|
|
private $specialNames = [
|
'Zjazd do zajezdni',
|
'Przejazd techniczny',
|
'Wyjazd na trasę',
|
];
|
|
public function __construct() {
|
$this->logger = new Monolog\Logger(__CLASS__);
|
}
|
|
public static function convertTripId($tripId) {
|
$tripId = explode('_', $tripId);
|
if($tripId[0] != 'block') return;
|
if($tripId[2] != 'trip') return;
|
return 4096 * (int)$tripId[1] + (int)$tripId[3];
|
}
|
|
public function loadTTSS($file) {
|
$ttss = json_decode(file_get_contents($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) || !$vehicle->name) continue;
|
if(!isset($vehicle->latitude) || !$vehicle->latitude) continue;
|
if(!isset($vehicle->longitude) || !$vehicle->longitude) continue;
|
foreach($this->specialNames as $name) {
|
if(substr($vehicle->name, -strlen($name)) == $name) {
|
continue;
|
}
|
}
|
$name = explode(' ', $vehicle->name, 2);
|
$this->ttssTrips[(int)$vehicle->tripId] = [
|
'id' => $vehicle->id,
|
'line' => $name[0],
|
'direction' => $name[1],
|
'latitude' => (float)$vehicle->latitude / 3600000.0,
|
'longitude' => (float)$vehicle->longitude / 3600000.0,
|
];
|
}
|
ksort($this->ttssTrips);
|
}
|
|
public function getTTSSDate() {
|
return $this->ttssDate / 1000.0;
|
}
|
|
public function loadGTFS($file) {
|
$buffer_size = 512;
|
|
$routes = fopen('phar://'.$file.'/routes.txt', 'r');
|
$route_header = fgetcsv($routes, $buffer_size);
|
while(($route = fgetcsv($routes, $buffer_size)) !== FALSE) {
|
$this->gtfsRoutes[$route[0]] = $route[2];
|
}
|
fclose($routes);
|
|
$trips = fopen('phar://'.$file.'/trips.txt', 'r');
|
$trip_header = fgetcsv($trips, $buffer_size);
|
var_dump($trip_header);
|
while(($trip = fgetcsv($trips, $buffer_size)) !== FALSE) {
|
$this->gtfsTrips[$trip[0]] = [
|
'line' => $this->gtfsRoutes[$trip[1]] ?? NULL,
|
'route' => $trip[1],
|
'direction' => $trip[3],
|
];
|
}
|
fclose($trips);
|
}
|
|
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();
|
$this->gtfsrtTrips[self::convertTripId($tripId)] = [
|
'id' => $entity->getId(),
|
'num' => $vehicle->getLicensePlate(),
|
'tripId' => $tripId,
|
'latitude' => $position->getLatitude(),
|
'longitude' => $position->getLongitude(),
|
];
|
}
|
ksort($this->gtfsrtTrips);
|
}
|
|
public function getGTFSRTDate() {
|
return $this->gtfsrtDate;
|
}
|
|
public function mapUsingCoords() {
|
$level = 0.002;
|
foreach($this->gtfsrtTrips as $gkey => $gtrip) {
|
$trip = $this->gtfsTrips[$gtrip['tripId']] ?? NULL;
|
|
if($trip === NULL) continue;
|
|
foreach($this->ttssTrips as $jkey => $jtrip) {
|
echo $gtrip['latitude'].' '.$jtrip['latitude']."\n";
|
echo $gtrip['longitude'].' '.$jtrip['longitude']."\n";
|
echo $jtrip['line'].' '.$trip['line']."\n";
|
echo "\n";
|
|
if($jtrip['line'] != $trip['line']) continue;
|
if(abs($gtrip['latitude'] - $jtrip['latitude']) > $level) continue;
|
if(abs($gtrip['longitude'] - $jtrip['longitude']) < $level) continue;
|
|
echo 'MATCH '.$gtrip['num'].' '.$gkey.' '.$jkey.' ('.($jkey-$gkey).')'."\n";
|
}
|
}
|
}
|
|
public function findOffset() {
|
if(count($this->ttssTrips) == 0 || count($this->gtfsrtTrips) == 0) {
|
return NULL;
|
}
|
|
$ttssTripIds = array_keys($this->ttssTrips);
|
$gtfsTripIds = array_keys($this->gtfsrtTrips);
|
|
$possibleOffsets = [];
|
for($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);
|
|
$bestOffset = 0;
|
$maxMatched = 0;
|
$options = 0;
|
|
foreach($possibleOffsets as $offset) {
|
$matched = 0;
|
|
foreach($gtfsTripIds as $tripId) {
|
$tripId += $offset;
|
if(isset($this->ttssTrips[$tripId])) {
|
$matched++;
|
}
|
}
|
|
if($matched > $maxMatched) {
|
$bestOffset = $offset;
|
$maxMatched = $matched;
|
$options = 1;
|
} elseif($matched == $maxMatched) {
|
$options++;
|
}
|
}
|
|
if($options != 1) {
|
throw new Exception('Found '.$options.' possible mappings!');
|
}
|
return $bestOffset;
|
}
|
|
public function mapUsingOffset($offset) {
|
$result = [];
|
foreach($this->gtfsrtTrips as $gtfsTripId => $gtfsTrip) {
|
$ttssTripId = $gtfsTripId + $offset;
|
if(isset($this->ttssTrips[$ttssTripId])) {
|
$data = numToTypeB($gtfsTrip['id']);
|
$num = $gtfsTrip['num'];
|
if(!is_array($data) || !isset($data['num'])) {
|
$data = [
|
'num' => $num,
|
'low' => 2,
|
];
|
} elseif($data['num'] != $num) {
|
// Ignore due to incorrect depot markings in the data
|
//$this->logger->warn('Got '.$num.', database has '.$data['num']);
|
}
|
$result[$this->ttssTrips[$ttssTripId]['id']] = $data;
|
}
|
}
|
return $result;
|
}
|
}
|
