| commit | author | age | ||
| 4673cc | 1 | <?php |
| JK | 2 | require_once(__DIR__.'/../vendor/autoload.php'); |
| 3 | require_once(__DIR__.'/vehicle_types.php'); | |
| 4 | ||
| 5 | use transit_realtime\FeedMessage; | |
| 6 | ||
| 7 | class Mapper { | |
| 9afb6b | 8 | private $ttssDate = NULL; |
| 0c85a7 | 9 | private $ttssTrips = []; |
| 9afb6b | 10 | private $gtfsrtDate = NULL; |
| 0c85a7 | 11 | private $gtfsrtTrips = []; |
| 6b6842 | 12 | private $gtfsTrips = []; |
| JK | 13 | private $gtfsRoutes = []; |
| 4673cc | 14 | private $logger = NULL; |
| JK | 15 | |
| 16 | private $specialNames = [ | |
| 17 | 'Zjazd do zajezdni', | |
| 18 | 'Przejazd techniczny', | |
| 19 | 'Wyjazd na trasę', | |
| 20 | ]; | |
| 21 | ||
| 22 | public function __construct() { | |
| 23 | $this->logger = new Monolog\Logger(__CLASS__); | |
| 24 | } | |
| 25 | ||
| 26 | public static function convertTripId($tripId) { | |
| 27 | $tripId = explode('_', $tripId); | |
| 28 | if($tripId[0] != 'block') return; | |
| 29 | if($tripId[2] != 'trip') return; | |
| 30 | return 4096 * (int)$tripId[1] + (int)$tripId[3]; | |
| 31 | } | |
| 32 | ||
| 33 | public function loadTTSS($file) { | |
| 0c85a7 | 34 | $ttss = json_decode(file_get_contents($file)); |
| 9afb6b | 35 | $this->ttssDate = $ttss->lastUpdate; |
| 0c85a7 | 36 | foreach($ttss->vehicles as $vehicle) { |
| 4673cc | 37 | if(isset($vehicle->isDeleted) && $vehicle->isDeleted) continue; |
| JK | 38 | if(!isset($vehicle->tripId) || !$vehicle->tripId) continue; |
| 39 | if(!isset($vehicle->name) || !$vehicle->name) continue; | |
| 40 | if(!isset($vehicle->latitude) || !$vehicle->latitude) continue; | |
| 41 | if(!isset($vehicle->longitude) || !$vehicle->longitude) continue; | |
| 42 | foreach($this->specialNames as $name) { | |
| 43 | if(substr($vehicle->name, -strlen($name)) == $name) { | |
| 44 | continue; | |
| 45 | } | |
| 46 | } | |
| 6b6842 | 47 | $name = explode(' ', $vehicle->name, 2); |
| 0c85a7 | 48 | $this->ttssTrips[(int)$vehicle->tripId] = [ |
| 4673cc | 49 | 'id' => $vehicle->id, |
| 6b6842 | 50 | 'line' => $name[0], |
| JK | 51 | 'direction' => $name[1], |
| 4673cc | 52 | 'latitude' => (float)$vehicle->latitude / 3600000.0, |
| JK | 53 | 'longitude' => (float)$vehicle->longitude / 3600000.0, |
| 54 | ]; | |
| 55 | } | |
| 0c85a7 | 56 | ksort($this->ttssTrips); |
| 4673cc | 57 | } |
| JK | 58 | |
| 9afb6b | 59 | public function getTTSSDate() { |
| JK | 60 | return $this->ttssDate / 1000.0; |
| 6b6842 | 61 | } |
| JK | 62 | |
| 63 | public function loadGTFS($file) { | |
| 64 | $buffer_size = 512; | |
| 65 | ||
| 66 | $routes = fopen('phar://'.$file.'/routes.txt', 'r'); | |
| 67 | $route_header = fgetcsv($routes, $buffer_size); | |
| 68 | while(($route = fgetcsv($routes, $buffer_size)) !== FALSE) { | |
| 69 | $this->gtfsRoutes[$route[0]] = $route[2]; | |
| 70 | } | |
| 71 | fclose($routes); | |
| 72 | ||
| 73 | $trips = fopen('phar://'.$file.'/trips.txt', 'r'); | |
| 74 | $trip_header = fgetcsv($trips, $buffer_size); | |
| 75 | var_dump($trip_header); | |
| 76 | while(($trip = fgetcsv($trips, $buffer_size)) !== FALSE) { | |
| 77 | $this->gtfsTrips[$trip[0]] = [ | |
| 78 | 'line' => $this->gtfsRoutes[$trip[1]] ?? NULL, | |
| 79 | 'route' => $trip[1], | |
| 80 | 'direction' => $trip[3], | |
| 81 | ]; | |
| 82 | } | |
| 83 | fclose($trips); | |
| 9afb6b | 84 | } |
| JK | 85 | |
| 0c85a7 | 86 | public function loadGTFSRT($file) { |
| 4673cc | 87 | $data = file_get_contents($file); |
| JK | 88 | $feed = new FeedMessage(); |
| 89 | $feed->parse($data); | |
| 9afb6b | 90 | $this->gtfsrtDate = $feed->header->timestamp; |
| 4673cc | 91 | foreach ($feed->getEntityList() as $entity) { |
| JK | 92 | $vehiclePosition = $entity->getVehicle(); |
| 93 | $position = $vehiclePosition->getPosition(); | |
| 94 | $vehicle = $vehiclePosition->getVehicle(); | |
| 95 | $trip = $vehiclePosition->getTrip(); | |
| 96 | $tripId = $trip->getTripId(); | |
| 0c85a7 | 97 | $this->gtfsrtTrips[self::convertTripId($tripId)] = [ |
| 4673cc | 98 | 'id' => $entity->getId(), |
| JK | 99 | 'num' => $vehicle->getLicensePlate(), |
| 100 | 'tripId' => $tripId, | |
| 101 | 'latitude' => $position->getLatitude(), | |
| 102 | 'longitude' => $position->getLongitude(), | |
| 103 | ]; | |
| 104 | } | |
| 0c85a7 | 105 | ksort($this->gtfsrtTrips); |
| 4673cc | 106 | } |
| JK | 107 | |
| 9afb6b | 108 | public function getGTFSRTDate() { |
| JK | 109 | return $this->gtfsrtDate; |
| 110 | } | |
| 111 | ||
| 6b6842 | 112 | public function mapUsingCoords() { |
| JK | 113 | $level = 0.002; |
| 114 | foreach($this->gtfsrtTrips as $gkey => $gtrip) { | |
| 115 | $trip = $this->gtfsTrips[$gtrip['tripId']] ?? NULL; | |
| 116 | ||
| 117 | if($trip === NULL) continue; | |
| 118 | ||
| 119 | foreach($this->ttssTrips as $jkey => $jtrip) { | |
| 120 | echo $gtrip['latitude'].' '.$jtrip['latitude']."\n"; | |
| 121 | echo $gtrip['longitude'].' '.$jtrip['longitude']."\n"; | |
| 122 | echo $jtrip['line'].' '.$trip['line']."\n"; | |
| 123 | echo "\n"; | |
| 124 | ||
| 125 | if($jtrip['line'] != $trip['line']) continue; | |
| 126 | if(abs($gtrip['latitude'] - $jtrip['latitude']) > $level) continue; | |
| 127 | if(abs($gtrip['longitude'] - $jtrip['longitude']) < $level) continue; | |
| 128 | ||
| 129 | echo 'MATCH '.$gtrip['num'].' '.$gkey.' '.$jkey.' ('.($jkey-$gkey).')'."\n"; | |
| 130 | } | |
| 131 | } | |
| 132 | } | |
| 133 | ||
| 4673cc | 134 | public function findOffset() { |
| 0c85a7 | 135 | if(count($this->ttssTrips) == 0 || count($this->gtfsrtTrips) == 0) { |
| 4673cc | 136 | return NULL; |
| JK | 137 | } |
| 138 | ||
| 0c85a7 | 139 | $ttssTripIds = array_keys($this->ttssTrips); |
| JK | 140 | $gtfsTripIds = array_keys($this->gtfsrtTrips); |
| 4673cc | 141 | |
| JK | 142 | $possibleOffsets = []; |
| 0c85a7 | 143 | for($i = 0; $i < count($this->ttssTrips); $i++) { |
| JK | 144 | for($j = 0; $j < count($this->gtfsrtTrips); $j++) { |
| 145 | $possibleOffsets[$ttssTripIds[$i] - $gtfsTripIds[$j]] = TRUE; | |
| 4673cc | 146 | } |
| JK | 147 | } |
| 148 | $possibleOffsets = array_keys($possibleOffsets); | |
| 149 | ||
| 150 | $bestOffset = 0; | |
| 151 | $maxMatched = 0; | |
| 152 | $options = 0; | |
| 153 | ||
| 154 | foreach($possibleOffsets as $offset) { | |
| 155 | $matched = 0; | |
| 156 | ||
| 157 | foreach($gtfsTripIds as $tripId) { | |
| 158 | $tripId += $offset; | |
| 0c85a7 | 159 | if(isset($this->ttssTrips[$tripId])) { |
| 4673cc | 160 | $matched++; |
| JK | 161 | } |
| 162 | } | |
| 163 | ||
| 164 | if($matched > $maxMatched) { | |
| 165 | $bestOffset = $offset; | |
| 166 | $maxMatched = $matched; | |
| 167 | $options = 1; | |
| 168 | } elseif($matched == $maxMatched) { | |
| 169 | $options++; | |
| 170 | } | |
| 171 | } | |
| 172 | ||
| 173 | if($options != 1) { | |
| 174 | throw new Exception('Found '.$options.' possible mappings!'); | |
| 175 | } | |
| 176 | return $bestOffset; | |
| 177 | } | |
| 178 | ||
| 0c85a7 | 179 | public function mapUsingOffset($offset) { |
| 4673cc | 180 | $result = []; |
| 0c85a7 | 181 | foreach($this->gtfsrtTrips as $gtfsTripId => $gtfsTrip) { |
| JK | 182 | $ttssTripId = $gtfsTripId + $offset; |
| 183 | if(isset($this->ttssTrips[$ttssTripId])) { | |
| 4673cc | 184 | $data = numToTypeB($gtfsTrip['id']); |
| JK | 185 | $num = $gtfsTrip['num']; |
| 186 | if(!is_array($data) || !isset($data['num'])) { | |
| 187 | $data = [ | |
| 188 | 'num' => $num, | |
| 189 | 'low' => 2, | |
| 190 | ]; | |
| 191 | } elseif($data['num'] != $num) { | |
| 192 | // Ignore due to incorrect depot markings in the data | |
| 193 | //$this->logger->warn('Got '.$num.', database has '.$data['num']); | |
| 194 | } | |
| 0c85a7 | 195 | $result[$this->ttssTrips[$ttssTripId]['id']] = $data; |
| 4673cc | 196 | } |
| JK | 197 | } |
| 198 | return $result; | |
| 199 | } | |
| 200 | } | |
