algeria_transit_services 2.2.0

An unofficial, public API to access Algeria's transportation services

example/example.dart

import 'dart:convert';

import 'package:algeria_transit_services/algeria_transit_services.dart';

/// A tour of the Massar API from Cheria (Tébessa): stops, lines, live departures, a trip plan,
/// place search and the live positions of a line's buses.
Future<void> main() async {
  // Stops and the lines serving one.
  final stations = await Station.getAllStations();
  print('${stations.length} stops, e.g. ${stations.first.name} (${stations.first.code})');
  final lines = await Station.getLines(stations.first.code);
  for (final line in lines) {
    print('Line ${line.number}: ${line.name}, ${line.sublines?.length ?? 0} directions');
  }

  // Live departures (buses tracked right now heading to the stop).
  final departures = await Departures.getDepartures(stationCode: stations.first.code, numberOfDepartures: 5);
  print(departures.isEmpty ? 'No bus tracked towards this stop' : 'Next bus in ${departures.first.estimatedMinutes} min');

  // Trip planning, leaving now.
  final plan = await TripPlanner.plan(fromLat: 35.2712, fromLng: 7.7530, toStopCode: '12002-S0011');
  for (final option in plan.options) {
    print('${option.tags} ${option.totalSeconds ~/ 60} min, ${option.rides} ride(s), tracked: ${option.tracked}');
  }

  // Place search (on submit only; Nominatim forbids search-as-you-type).
  final places = await Places.search('lycée', language: 'fr');
  print(places.map((p) => p.name).join(', '));

  // Live positions of line 1's buses for a few messages.
  final line = lines.first;
  final channel = LocationWebSocket.locationChannel(line.id);
  await for (final message in channel.stream.take(5)) {
    final event = LocationWebSocket.locationParser(jsonDecode(message as String) as Map);
    if (event is BusPosition) print('Bus ${event.busId} at ${event.lat}, ${event.long}');
  }
  await channel.sink.close();
}