| commit | author | age | ||
| 138f39 | 1 | <?php |
| 1a98b6 | 2 | require_once(__DIR__.'/lib/database.php'); |
| 4673cc | 3 | require_once(__DIR__.'/lib/fetch.php'); |
| JK | 4 | require_once(__DIR__.'/lib/mapper.php'); |
| 138f39 | 5 | |
| 4673cc | 6 | $logger = new Monolog\Logger('Parse changes'); |
| 138f39 | 7 | |
| 4673cc | 8 | $sources = [ |
| 0c85a7 | 9 | 'bus' => [ |
| 6b6842 | 10 | 'gtfs' => 'ftp://ztp.krakow.pl/GTFS_KRK_A.zip', |
| JK | 11 | 'gtfs_file' => 'GTFS_KRK_A.zip', |
| 0c85a7 | 12 | 'gtfsrt' => 'ftp://ztp.krakow.pl/VehiclePositions_A.pb', |
| JK | 13 | 'gtfsrt_file' => 'VehiclePositions_A.pb', |
| 4673cc | 14 | 'ttss' => 'http://91.223.13.70/internetservice/geoserviceDispatcher/services/vehicleinfo/vehicles', |
| JK | 15 | 'ttss_file' => 'vehicles_A.json', |
| 1a98b6 | 16 | 'database' => 'mapping_A.sqlite3', |
| 914dc8 | 17 | 'result' => 'mapping_A.json', |
| 4673cc | 18 | ], |
| JK | 19 | ]; |
| 138f39 | 20 | |
| 4673cc | 21 | foreach($sources as $name => $source) { |
| JK | 22 | $logger = new Monolog\Logger('fetch_'.$name); |
| 23 | try { | |
| 0c85a7 | 24 | foreach(['gtfsrt_file', 'ttss_file', 'database', 'result'] as $field) { |
| 1a98b6 | 25 | $source[$field] = __DIR__.'/data/'.$source[$field]; |
| JK | 26 | } |
| 27 | $source['result_temp'] = $source['result'].'.tmp'; | |
| 28 | ||
| 4673cc | 29 | $logger->info('Fetching '.$name.' position data from FTP...'); |
| 0c85a7 | 30 | $updated = ftp_fetch_if_newer($source['gtfsrt'], $source['gtfsrt_file']); |
| 4673cc | 31 | if(!$updated) { |
| JK | 32 | $logger->info('Nothing to do, remote file not newer than local one'); |
| 33 | continue; | |
| 34 | } | |
| 35 | ||
| 0c85a7 | 36 | $logger->info('Fetching '.$name.' position data from TTSS...'); |
| JK | 37 | fetch($source['ttss'], $source['ttss_file']); |
| 4673cc | 38 | |
| JK | 39 | $logger->info('Loading data...'); |
| 40 | $mapper = new Mapper(); | |
| 9afb6b | 41 | |
| 1a98b6 | 42 | $mapper->loadTTSS($source['ttss_file']); |
| 6b6842 | 43 | |
| 9afb6b | 44 | $timeDifference = time() - $mapper->getTTSSDate(); |
| JK | 45 | if(abs($timeDifference) > 60) { |
| 46 | throw new Exception('TTSS timestamp difference ('.$timeDifference.'s) is too high, aborting!'); | |
| 47 | } | |
| 48 | ||
| 0c85a7 | 49 | $mapper->loadGTFSRT($source['gtfsrt_file']); |
| 9afb6b | 50 | $timeDifference = time() - $mapper->getGTFSRTDate(); |
| JK | 51 | if(abs($timeDifference) > 60) { |
| 52 | throw new Exception('GTFSRT timestamp difference ('.$timeDifference.'s) is too high, aborting!'); | |
| 53 | } | |
| 1a98b6 | 54 | |
| 6b6842 | 55 | $mapper->loadGTFS($source['gtfs_file']); |
| JK | 56 | |
| 1a98b6 | 57 | $db = new Database($source['database']); |
| 4673cc | 58 | |
| JK | 59 | $logger->info('Finding correct offset...'); |
| 60 | $offset = $mapper->findOffset(); | |
| 1a98b6 | 61 | if(!$offset) { |
| JK | 62 | throw new Exception('Offset not found'); |
| 4673cc | 63 | } |
| 1a98b6 | 64 | |
| JK | 65 | $logger->info('Got offset '.$offset.', creating mapping...'); |
| 0c85a7 | 66 | $mapping = $mapper->mapUsingOffset($offset); |
| 1a98b6 | 67 | |
| JK | 68 | $logger->info('Checking the data for correctness...'); |
| 69 | $weight = count($mapping); | |
| 33182e | 70 | |
| JK | 71 | $correct = 0; |
| 72 | $incorrect = 0; | |
| 73 | $old = 0; | |
| 74 | $maxWeight = 0; | |
| 1a98b6 | 75 | foreach($mapping as $id => $vehicle) { |
| JK | 76 | $dbVehicle = $db->getById($id); |
| 77 | if($dbVehicle) { | |
| 33182e | 78 | $maxWeight = max($maxWeight, $dbVehicle['weight']); |
| JK | 79 | if((int)substr($vehicle['num'], 2) == (int)$dbVehicle['num']) { |
| 80 | $correct += 1; | |
| 81 | } else { | |
| 82 | $incorrect += 1; | |
| 1a98b6 | 83 | } |
| JK | 84 | continue; |
| 85 | } | |
| 86 | ||
| 87 | $dbVehicle = $db->getByNum($vehicle['num']); | |
| 88 | if($dbVehicle && $dbVehicle['id'] != $id) { | |
| 33182e | 89 | $old += 1; |
| 1a98b6 | 90 | } |
| JK | 91 | } |
| 33182e | 92 | $logger->info('Weight: '.$weight.', correct: '.$correct.', incorrect: '.$incorrect.', old: '.$old); |
| 1a98b6 | 93 | |
| JK | 94 | $previousMapping = NULL; |
| 33182e | 95 | if($incorrect > $correct && $maxWeight > $weight) { |
| 1a98b6 | 96 | throw new Exception('Ignoring result due to better data already present'); |
| 5af1a7 | 97 | } elseif($old > $correct) { |
| 33182e | 98 | $logger->warn('Replacing DB data with the new mapping'); |
| 1a98b6 | 99 | $db->clear(); |
| JK | 100 | } else { |
| 101 | $previousMapping = @json_decode(@file_get_contents($source['result']), TRUE); | |
| 102 | } | |
| 103 | ||
| 104 | $db->addMapping($mapping); | |
| 105 | ||
| 106 | if(is_array($previousMapping)) { | |
| 107 | $logger->info('Merging previous data with current mapping'); | |
| 423dc9 | 108 | $mapping = $mapping + $previousMapping; |
| 1a98b6 | 109 | ksort($mapping); |
| JK | 110 | } |
| 111 | ||
| 112 | $json = json_encode($mapping); | |
| 113 | if(!file_put_contents($source['result_temp'], $json)) { | |
| 114 | throw new Exception('Result save failed'); | |
| 115 | } | |
| 116 | rename($source['result_temp'], $source['result']); | |
| 4673cc | 117 | $logger->info('Finished'); |
| JK | 118 | } catch(Throwable $e) { |
| 119 | $logger->error($e->getMessage(), ['exception' => $e, 'exception_string' => (string)$e]); | |
| 120 | } | |
| 138f39 | 121 | } |
