near final

This commit is contained in:
ImBenji
2024-03-02 18:07:05 +00:00
parent 67e1cd3530
commit 429eb4ad5f
29 changed files with 7870 additions and 1345 deletions

View File

@@ -33,4 +33,7 @@
android:name="flutterEmbedding"
android:value="2" />
</application>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
</manifest>

File diff suppressed because it is too large Load Diff

View File

@@ -13,8 +13,15 @@ class AudioCache {
return _audioCache.keys.toList();
}
Uint8List operator [](String key) {
return _audioCache[key]!;
Uint8List? operator [](String key) {
// ignore case
key = key.toLowerCase();
for (var k in _audioCache.keys) {
if (k.toLowerCase() == key) {
return _audioCache[k];
}
}
return null;
}
}
@@ -22,7 +29,21 @@ class AnnouncementCache extends AudioCache {
String _assetLocation = "assets/ibus_recordings.zip";
Future<void> loadAnnouncements(List<String> Announcements) async {
Future<void> loadAnnouncements(List<String> announcements) async {
List<String> _announements = [];
// remove any announcements that are already loaded
for (var announcement in announcements) {
if (!_audioCache.containsKey(announcement.toLowerCase())) {
_announements.add(announcement);
}
}
if (_announements.length == 0) {
return;
}
final bytes = await rootBundle.load(_assetLocation);
final archive = ZipDecoder().decodeBytes(bytes.buffer.asUint8List());
@@ -34,9 +55,9 @@ class AnnouncementCache extends AudioCache {
filename = filename.split("/").last;
}
if (Announcements.contains(filename)) {
_audioCache[filename] = file.content;
print("Loaded announcement: ${filename}");
if (_announements.contains(filename)) {
_audioCache[filename.toLowerCase()] = file.content;
print("Loaded announcement: $filename");
}
}
}
@@ -62,7 +83,7 @@ class AnnouncementCache extends AudioCache {
filename = filename.split("/").last;
}
_audioCache[filename] = file.content;
_audioCache[filename.toLowerCase()] = file.content;
}
print("Done loading all announcements.");

View File

@@ -8,6 +8,7 @@ class ApiConstants {
static const String MANUAL_Q_COLLECTION_ID = "65de9f2f925562a2eda8";
static const String INFORMATION_Q_COLLECTION_ID = "65de9f1b6282fd209bdb";
static const String DEST_Q_COLLECTION_ID = "65de9ef464bfa5a0693d";
static const String COMMANDS_COLLECTION_ID = "65e035c82dbae432bafe";

View File

@@ -0,0 +1,179 @@
// Singleton
import 'dart:async';
import 'dart:convert';
import 'package:appwrite/appwrite.dart' as appwrite;
import 'package:appwrite/models.dart' as models;
import 'package:bus_infotainment/audio_cache.dart';
import 'package:bus_infotainment/auth/api_constants.dart';
import 'package:bus_infotainment/auth/auth_api.dart';
import 'package:bus_infotainment/backend/modules/announcement.dart';
import 'package:bus_infotainment/backend/modules/commands.dart';
import 'package:bus_infotainment/backend/modules/synced_time.dart';
import 'package:bus_infotainment/backend/modules/tracker.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'package:http/http.dart' as http;
import 'package:ntp/ntp.dart';
import 'package:permission_handler/permission_handler.dart';
class LiveInformation {
static final LiveInformation _singleton = LiveInformation._internal();
factory LiveInformation() {
return _singleton;
}
LiveInformation._internal();
Future<void> initialize() async {
{
// By default, load the bus sequences from the assets
print("Loading bus sequences from assets");
busSequences = BusSequences.fromCSV(
await rootBundle.loadString("assets/datasets/bus-blinds.csv"),
await rootBundle.loadString("assets/datasets/bus-sequences.csv")
);
print("Loaded bus sequences from assets");
try {
http.Response response = await http.get(Uri.parse('https://tfl.gov.uk/bus-sequences.csv'));
busSequences = BusSequences.fromCSV(
await rootBundle.loadString("assets/datasets/bus-blinds.csv"),
response.body
);
print("Loaded bus sequences from TFL");
} catch (e) {
print("Failed to load bus sequences from TFL. Using local copy.");
}
String sessionID = "test";
commandModule = CommandModule(sessionID);
}
// Initialise modules
syncedTimeModule = SyncedTimeModule();
announcementModule = AnnouncementModule();
// Tracker module is not supported on desktop
if (defaultTargetPlatform != TargetPlatform.windows || defaultTargetPlatform != TargetPlatform.linux || defaultTargetPlatform != TargetPlatform.macOS) {
// Tracker module is not supported on web
await Permission.location.request();
trackerModule = TrackerModule();
}
}
// Auth
AuthAPI auth = AuthAPI();
// Modules
late CommandModule commandModule;
late BusSequences busSequences;
late AnnouncementModule announcementModule;
late SyncedTimeModule syncedTimeModule;
late TrackerModule trackerModule;
// Important variables
BusRouteVariant? _currentRouteVariant;
// Events
EventDelegate<BusRouteVariant> routeVariantDelegate = EventDelegate();
// Internal methods
Future<void> setRouteVariant_Internal(BusRouteVariant routeVariant) async {
// Set the current route variant
_currentRouteVariant = routeVariant;
// Let everyone know that the route variant has been set/changed
routeVariantDelegate.trigger(routeVariant);
// Get all of the files that need to be cached
List<String> audioFiles = [];
for (BusRouteStop stop in routeVariant.busStops) {
audioFiles.add(stop.getAudioFileName());
}
// Cache/Load the audio files
await announcementModule
.announcementCache
.loadAnnouncements(audioFiles);
}
// Public methods
BusRouteVariant? getRouteVariant() {
return _currentRouteVariant;
}
Future<void> setRouteVariant(BusRouteVariant routeVariant) async {
await commandModule.executeCommand(
"setroute ${routeVariant.busRoute.routeNumber} ${routeVariant.busRoute.routeVariants.values.toList().indexOf(routeVariant)}"
);
}
/*
Everything under this will be considered legacy code
*/
}
class AnnouncementQueueEntry {
final String displayText;
final List<AudioWrapperSource> audioSources;
bool sendToServer = true;
DateTime? scheduledTime;
DateTime? timestamp;
AnnouncementQueueEntry({required this.displayText, required this.audioSources, this.sendToServer = true, this.scheduledTime, this.timestamp});
}
class NamedAnnouncementQueueEntry extends AnnouncementQueueEntry {
final String shortName;
NamedAnnouncementQueueEntry({
required this.shortName,
required String displayText,
required List<AudioWrapperSource> audioSources,
DateTime? scheduledTime,
DateTime? timestamp,
bool sendToServer = true,
}) : super(
displayText: displayText,
audioSources: audioSources,
sendToServer: sendToServer,
scheduledTime: scheduledTime,
timestamp: timestamp,
);
}
var abs = (int value) => value < 0 ? -value : value;

View File

@@ -0,0 +1,330 @@
import 'dart:async';
import 'dart:typed_data';
import 'package:bus_infotainment/audio_cache.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'info_module.dart';
class AnnouncementModule extends InfoModule {
AnnouncementCache announcementCache = AnnouncementCache();
// Constructor
AnnouncementModule() {
refreshTimer();
}
// Queue
List<AnnouncementQueueEntry> queue = [];
AnnouncementQueueEntry? currentAnnouncement;
DateTime? currentAnnouncementTimeStamp;
String defaultText = "*** NO MESSAGE ***";
bool isPlaying = false;
// Audio
AudioWrapper audioPlayer = AudioWrapper();
// Events
final EventDelegate<AnnouncementQueueEntry> onAnnouncement = EventDelegate();
// Timer
Timer refreshTimer() => Timer.periodic(const Duration(milliseconds: 200), (timer) async {
if (!isPlaying) {
if (queue.isNotEmpty) {
isPlaying = true;
AnnouncementQueueEntry nextAnnouncement = queue.first;
bool proceeding = await _internalAccountForInconsistentTime(
announcement: nextAnnouncement,
timerInterval: const Duration(milliseconds: 200),
callback: () {
queue.removeAt(0);
print("Announcement proceeding");
}
);
if (!proceeding) {
isPlaying = false;
print("Announcement not proceeding");
print("Queue: ${queue.length}");
return;
}
currentAnnouncement = nextAnnouncement;
currentAnnouncementTimeStamp = liveInformation.syncedTimeModule.Now();
onAnnouncement.trigger(currentAnnouncement!);
if (currentAnnouncement!.audioSources.isNotEmpty) {
try {
for (AudioWrapperSource source in currentAnnouncement!.audioSources) {
await audioPlayer.loadSource(source);
Duration? duration = await audioPlayer.play();
await Future.delayed(duration!);
if (currentAnnouncement?.audioSources.last != source) {
await Future.delayed(const Duration(milliseconds: 100));
}
}
audioPlayer.stop();
} catch (e) {
// Do nothing
print("Error playing announcement: $e");
}
} else {
if (queue.isNotEmpty) {
await Future.delayed(const Duration(seconds: 5));
}
}
isPlaying = false;
}
}
});
// Will call the callback function if the announcement will be proceeding
Future<bool> _internalAccountForInconsistentTime({
required AnnouncementQueueEntry announcement,
required Duration timerInterval,
required Function() callback
}) async {
DateTime now = liveInformation.syncedTimeModule.Now();
if (announcement.scheduledTime != null) {
if (now.isAfter(announcement.scheduledTime!)) {
callback();
return true;
}
int milisecondDifference = abs(now.millisecondsSinceEpoch - announcement.scheduledTime!.millisecondsSinceEpoch);
if (milisecondDifference <= timerInterval.inMilliseconds) {
// Account for the time lost by the periodic timer
callback();
await Future.delayed(Duration(milliseconds: timerInterval.inMilliseconds - milisecondDifference));
return true;
} else {
return false;
}
} else {
callback();
return true;
}
}
// Configuration
int get defaultAnnouncementDelay => liveInformation.auth.isAuthenticated() ? 2 : 0;
// Methods
Future<void> queueAnnounceByAudioName({
required String displayText,
List<String> audioNames = const [],
DateTime? scheduledTime = null,
bool sendToServer = true
}) async {
if (sendToServer) {
scheduledTime ??= liveInformation.syncedTimeModule.Now().add(Duration(seconds: defaultAnnouncementDelay));
String audioNamesString = "";
for (var audioName in audioNames) {
audioNamesString += "\"$audioName\" ";
}
liveInformation.commandModule.executeCommand(
"announce manual \"$displayText\" ${audioNamesString} ${scheduledTime?.millisecondsSinceEpoch ?? ""}"
);
return;
}
// Cache the announcements
await announcementCache.loadAnnouncements(audioNames);
List<AudioWrapperSource> sources = [];
print("Audio names: $audioNames");
for (var audioName in audioNames) {
Uint8List? audioData = announcementCache[audioName];
if (audioData == null) {
continue;
}
sources.add(AudioWrapperByteSource(audioData));
}
queue.add(
AnnouncementQueueEntry(
displayText: displayText,
audioSources: sources,
scheduledTime: scheduledTime
)
);
}
void queueAnnounementByInfoIndex({
int infoIndex = -1,
DateTime? scheduledTime = null,
bool sendToServer = true
}) {
if (sendToServer) {
scheduledTime ??= liveInformation.syncedTimeModule.Now().add(Duration(seconds: defaultAnnouncementDelay));
liveInformation.commandModule.executeCommand(
"announce info $infoIndex ${scheduledTime?.millisecondsSinceEpoch ?? ""}"
);
return;
}
NamedAnnouncementQueueEntry clone = NamedAnnouncementQueueEntry(
shortName: manualAnnouncements[infoIndex].shortName,
displayText: manualAnnouncements[infoIndex].displayText,
audioSources: manualAnnouncements[infoIndex].audioSources,
scheduledTime: scheduledTime
);
queue.add(clone);
}
Future<void> queueAnnouncementByRouteVariant({
required BusRouteVariant routeVariant,
DateTime? scheduledTime = null,
bool sendToServer = true
}) async {
if (sendToServer) {
scheduledTime ??= liveInformation.syncedTimeModule.Now().add(Duration(seconds: defaultAnnouncementDelay));
liveInformation.commandModule.executeCommand(
"announce dest \"${routeVariant.busRoute.routeNumber}\" ${routeVariant.busRoute.routeVariants.values.toList().indexOf(routeVariant)} ${scheduledTime?.millisecondsSinceEpoch ?? ""}"
);
return;
}
String routeNumber = routeVariant.busRoute.routeNumber;
String destination = routeVariant.destination!.destination;
String audioRoute = "R_${routeVariant.busRoute.routeNumber}_001.mp3";
await announcementCache.loadAnnouncements([audioRoute]);
AudioWrapperSource sourceRoute = AudioWrapperByteSource(announcementCache[audioRoute]!);
AudioWrapperSource sourceDestination = AudioWrapperByteSource(await routeVariant.destination!.getAudioBytes());
AnnouncementQueueEntry announcement = AnnouncementQueueEntry(
displayText: "$routeNumber to $destination",
audioSources: [sourceRoute, AudioWrapperAssetSource("audio/to_destination.wav"), sourceDestination],
scheduledTime: scheduledTime
);
queue.add(announcement);
}
// Constants
final List<NamedAnnouncementQueueEntry> manualAnnouncements = [
NamedAnnouncementQueueEntry(
shortName: "Driver Change",
displayText: "Driver Change",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/driverchange.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "No Standing Upr Deck",
displayText: "No standing on the upper deck",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/nostanding.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Face Covering",
displayText: "Please wear a face covering!",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/facecovering.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Seats Upstairs",
displayText: "Seats are available upstairs",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/seatsupstairs.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Bus Terminates Here",
displayText: "Bus terminates here. Please take your belongings with you",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/busterminateshere.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Bus On Diversion",
displayText: "Bus on diversion. Please listen for further announcements",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/busondiversion.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Destination Change",
displayText: "Destination Changed - please listen for further instructions",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/destinationchange.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Wheelchair Space",
displayText: "Wheelchair space requested",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/wheelchairspace1.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Move Down The Bus",
displayText: "Please move down the bus",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/movedownthebus.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Next Stop Closed",
displayText: "The next bus stop is closed",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/nextstopclosed.wav")],
),
NamedAnnouncementQueueEntry(
shortName: "CCTV In Operation",
displayText: "CCTV is in operation on this bus",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/cctvoperation.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Safe Door Opening",
displayText: "Driver will open the doors when it is safe to do so",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/safedooropening.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Buggy Safety",
displayText: "For your child's safety, please remain with your buggy",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/buggysafety.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Wheelchair Space 2",
displayText: "Wheelchair priority space required",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/wheelchairspace2.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Service Regulation",
displayText: "Regulating service - please listen for further information",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/serviceregulation.mp3")],
),
NamedAnnouncementQueueEntry(
shortName: "Bus Ready To Depart",
displayText: "This bus is ready to depart",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/readytodepart.mp3")],
),
];
}

View File

@@ -0,0 +1,224 @@
import 'dart:convert';
import 'package:bus_infotainment/auth/api_constants.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:appwrite/appwrite.dart' as appwrite;
import 'package:appwrite/models.dart' as models;
import 'package:uuid/uuid.dart';
import '../../auth/auth_api.dart';
import 'info_module.dart';
class CommandModule extends InfoModule {
final String sessionID;
late final String clientID;
List<CommandInfo> _commandHistory = [];
get commandHistory => _commandHistory;
EventDelegate<CommandInfo> onCommandReceived = EventDelegate();
CommandModule(this.sessionID){
// generate a random client ID
var uuid = Uuid();
clientID = uuid.v4();
if (liveInformation.auth.isAuthenticated()){
print("Auth is authenticated");
_setupListener();
} else {
print("Auth is not authenticated");
liveInformation.auth.onLogin.addListener((value) {
_setupListener();
});
}
}
// Will execute the command an event which is triggered when a response is received
Future<EventDelegate> executeCommand(String command) async {
EventDelegate<String> delegate = EventDelegate();
final client = liveInformation.auth.client;
final databases = appwrite.Databases(client);
if (liveInformation.auth.status == AuthStatus.AUTHENTICATED) {
final document = await databases.createDocument(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.COMMANDS_COLLECTION_ID,
documentId: appwrite.ID.unique(),
data: {
"session_id": sessionID,
"command": command,
"client_id": clientID,
}
);
}
_onCommandReceived(CommandInfo(command, clientID));
return delegate;
}
Future<void> _onCommandReceived(CommandInfo commandInfo) async {
commandHistory.add(commandInfo);
onCommandReceived.trigger(commandInfo);
print("Received command: ${commandInfo.command}");
List<String> commandParts = splitCommand(commandInfo.command);
String command = commandParts[0];
List<String> args = commandParts.sublist(1);
if (command == "Response:") {
}
else if (command == "announce") {
final displayText = args[1];
if (args[0] == "manual") {
// announce manual <DisplayText> <AudioFileName>... <ScheduledTime>
List<String> audioFileNames = args.sublist(2);
try {
if (int.parse(audioFileNames.last) != null) {
audioFileNames.removeLast();
}
} catch (e) {}
DateTime scheduledTime = LiveInformation().syncedTimeModule.Now().add(Duration(seconds: 1));
try {
if (int.parse(args.last) != null) {
scheduledTime = DateTime.fromMillisecondsSinceEpoch(int.parse(args.last));
}
} catch (e) {}
liveInformation.announcementModule.queueAnnounceByAudioName(
displayText: displayText,
audioNames: audioFileNames,
scheduledTime: scheduledTime,
sendToServer: false
);
}
else if (args[0] == "info") {
int InfoIndex = int.parse(args[1]);
DateTime scheduledTime = LiveInformation().syncedTimeModule.Now();
try {
if (int.parse(args.last) != null) {
scheduledTime = DateTime.fromMillisecondsSinceEpoch(int.parse(args.last));
}
} catch (e) {}
liveInformation.announcementModule.queueAnnounementByInfoIndex(
infoIndex: InfoIndex,
scheduledTime: scheduledTime,
sendToServer: false
);
}
else if (args[0].startsWith("dest")) {
// announce destination <RouteNumber> <RouteVariantIndex> <ScheduledTime>
String routeNumber = args[1];
int routeVariantIndex = int.parse(args[2]);
DateTime scheduledTime = LiveInformation().syncedTimeModule.Now();
try {
if (int.parse(args.last) != null) {
scheduledTime = DateTime.fromMillisecondsSinceEpoch(int.parse(args.last));
}
} catch (e) {}
BusRoute route = LiveInformation().busSequences.routes[routeNumber]!;
BusRouteVariant routeVariant = route.routeVariants.values.toList()[routeVariantIndex];
liveInformation.announcementModule.queueAnnouncementByRouteVariant(
routeVariant: routeVariant,
scheduledTime: scheduledTime,
sendToServer: false
);
}
}
else if (command == "setroute") {
// setroute <RouteNumber> <RouteVariantIndex>
LiveInformation liveInformation = LiveInformation();
String routeNumber = args[0];
int routeVariantIndex = int.parse(args[1]);
BusRoute route = liveInformation.busSequences.routes[routeNumber]!;
BusRouteVariant routeVariant = route.routeVariants.values.toList()[routeVariantIndex];
liveInformation.setRouteVariant_Internal(
routeVariant
);
executeCommand("Response: v \"Client $clientID set its route to ($routeNumber to ${routeVariant.busStops.last.formattedStopName})\"");
}
}
appwrite.RealtimeSubscription? _subscription;
Future<void> _setupListener() async {
if (_subscription != null) {
return;
}
final realtime = appwrite.Realtime(LiveInformation().auth.client);
_subscription = realtime.subscribe(
['databases.${ApiConstants.INFO_Q_DATABASE_ID}.collections.${ApiConstants.COMMANDS_COLLECTION_ID}.documents']
);
_subscription!.stream.listen((event) {
print(jsonEncode(event.payload));
// Only do something if the document was created or updated
if (!(event.events.first.contains("create") || event.events.first.contains("update"))) {
return;
}
final commandInfo = CommandInfo(event.payload['command'], event.payload['client_id']);
if (commandInfo.clientID != clientID) {
_onCommandReceived(commandInfo);
}
});
print("Listening for commands");
await Future.delayed(Duration(seconds: 90));
await _subscription!.close();
_subscription = null;
_setupListener();
}
}
class CommandInfo {
final String command;
final String clientID;
CommandInfo(this.command, this.clientID);
}
List<String> splitCommand(String command) {
var regex = RegExp(r'([^\s"]+)|"([^"]*)"');
var matches = regex.allMatches(command);
return matches.map((match) => match.group(0)!.replaceAll('"', '')).toList();
}

View File

@@ -0,0 +1,8 @@
import 'package:bus_infotainment/backend/live_information.dart';
abstract class InfoModule {
LiveInformation get liveInformation => LiveInformation();
}

View File

@@ -0,0 +1,36 @@
import 'dart:async';
import 'dart:convert';
import 'package:http/http.dart' as http;
import 'info_module.dart';
class SyncedTimeModule extends InfoModule {
int timeOffset = -1;
DateTime lastUpdate = DateTime.now().add(const Duration(seconds: -15));
SyncedTimeModule() {
refreshTimer();
}
Timer refreshTimer() => Timer.periodic(const Duration(seconds: 10), (timer) async {
var res = await http.get(Uri.parse('http://worldtimeapi.org/api/timezone/Europe/London'));
if (res.statusCode == 200) {
var json = jsonDecode(res.body);
DateTime time = DateTime.parse(json['datetime']);
timeOffset = time.millisecondsSinceEpoch - DateTime.now().millisecondsSinceEpoch;
lastUpdate = DateTime.now();
print("Time offset: $timeOffset");
} else {
print("Failed to get time from worldtimeapi.org");
}
});
DateTime Now() {
if (timeOffset == -1) {
return DateTime.now();
}
return DateTime.now().add(Duration(milliseconds: timeOffset));
}
}

View File

@@ -0,0 +1,199 @@
import 'dart:async';
import 'dart:math';
import 'dart:typed_data';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/backend/modules/info_module.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/OrdinanceSurveyUtils.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:geolocator/geolocator.dart';
import 'package:vector_math/vector_math.dart';
class TrackerModule extends InfoModule {
TrackerModule() {
locationStream();
Geolocator.getLastKnownPosition().then((Position? position) {
this._position = position;
updateNearestStop();
});
liveInformation.routeVariantDelegate.addListener((routeVariant) {
print("Route variant changed");
updateNearestStop();
});
}
Position? _position;
Position? get position => _position;
StreamSubscription<Position> locationStream() => Geolocator.getPositionStream(
locationSettings: const LocationSettings(
accuracy: LocationAccuracy.high,
distanceFilter: 1,
)
).listen((Position position) {
if (position == null) {
return;
}
this._position = position;
updateNearestStop();
});
Timer refreshTimer() => Timer.periodic(Duration(seconds: 1), (timer) async {
_position = await Geolocator.getCurrentPosition();
});
BusRouteStop? nearestStop;
bool hasArrived = false;
Future<void> updateNearestStop() async {
if (liveInformation.getRouteVariant() == null) {
return;
}
// Get the closest stop
BusRouteStop closestStop = liveInformation.getRouteVariant()!.busStops.first;
double closestDistance = OSGrid
.toNorthingEasting(_position!.latitude, _position!.longitude)
.distanceTo(Vector2(closestStop.easting.toDouble(), closestStop.northing.toDouble()));
for (BusRouteStop stop in liveInformation.getRouteVariant()!.busStops) {
double distance = OSGrid
.toNorthingEasting(_position!.latitude, _position!.longitude)
.distanceTo(Vector2(stop.easting.toDouble(), stop.northing.toDouble()));
if (distance < closestDistance) {
closestStop = stop;
closestDistance = distance;
}
}
double relativeDistance = _calculateRelativeDistance(closestStop, _position!.latitude, _position!.longitude);
if (relativeDistance < -10) {
print("Closest stop is behind us: ${closestStop.formattedStopName}");
print("Relative distance: $relativeDistance");
int stopIndex = liveInformation.getRouteVariant()!.busStops.indexOf(closestStop);
closestStop = liveInformation.getRouteVariant()!.busStops[stopIndex + 1];
print("Closest stop is now: ${closestStop.formattedStopName}");
} else {
print("Closest stop is in front of us: ${closestStop.formattedStopName}");
}
bool preExisting = true;
if (nearestStop != closestStop) {
nearestStop = closestStop;
hasArrived = false;
preExisting = false;
}
print("Closest stop is the same as before");
double distance = OSGrid
.toNorthingEasting(_position!.latitude, _position!.longitude)
.distanceTo(Vector2(nearestStop!.easting.toDouble(), nearestStop!.northing.toDouble()));
// get the speed in mph
double speed = _position!.speed * 2.23694;
print("Speed: $speed");
Duration? duration;
{
// Testing some audio stuff
Uint8List? audioBytes = liveInformation.announcementModule.announcementCache[nearestStop!.getAudioFileName()];
AudioWrapperByteSource audioSource = AudioWrapperByteSource(audioBytes!);
AudioWrapper audio = AudioWrapper();
await audio.loadSource(audioSource);
duration = await audio.getDuration();
print("Duration of audio: $duration");
}
// get the estimated distance travelled in 5 seconds, in meters
double distanceTravelled = speed * (3 + duration!.inSeconds);
// adjust for the it takes to send the announcement to other devices
distance -= distanceTravelled;
// get the time to the stop in seconds
double timeToStop = distance / speed;
print("Distance to stop: $distance");
print("Time to stop: $timeToStop");
int secondsBefore = 7;
print("Seconds before: $secondsBefore");
if ((timeToStop < secondsBefore ) && !hasArrived && relativeDistance > 0) {
print("We are at the stop");
hasArrived = true;
liveInformation.announcementModule.queueAnnounceByAudioName(
displayText: "${nearestStop!.formattedStopName}",
audioNames: [
// "A_NEXT_STOP_001.mp3",
nearestStop!.getAudioFileName()
],
sendToServer: true
);
}
if (!hasArrived && !preExisting) {
liveInformation.announcementModule.queueAnnounceByAudioName(
displayText: "${closestStop.formattedStopName}",
audioNames: [],
sendToServer: true
);
}
print("Closest stop: ${closestStop.formattedStopName} in ${closestDistance.round()} meters");
}
}
double _calculateRelativeDistance(BusRouteStop stop, double latitude, double longitude) {
List<double> toLatLong = OSGrid.toLatLong(stop.northing.toDouble(), stop.easting.toDouble());
Vector2 stopPoint = OSGrid.toNorthingEasting(toLatLong[0], toLatLong[1]);
Vector2 currentPoint = OSGrid.toNorthingEasting(latitude, longitude);
// calculate the heading from the current point to the stop point
// 0 degrees is north, 90 degrees is east, 180 degrees is south, 270 degrees is west
double toHeading = degrees(atan2(stopPoint.x - currentPoint.x, stopPoint.y - currentPoint.y));
toHeading = (toHeading + 360) % 360;
// get the dot product of the heading and the stop heading
double dotProduct = cos(radians(toHeading)) * cos(radians(stop.heading.toDouble())) + sin(radians(toHeading)) * sin(radians(stop.heading.toDouble()));
return (dotProduct.sign) * _calculateDistance(latitude, longitude, toLatLong[0], toLatLong[1]);
}
double _calculateDistance(double lat1, double lon1, double lat2, double lon2) {
// Convert to eastings and northings
Vector2 point1 = OSGrid.toNorthingEasting(lat1, lon1);
Vector2 point2 = OSGrid.toNorthingEasting(lat2, lon2);
return point1.distanceTo(point2);
}

View File

@@ -2,15 +2,32 @@ import 'dart:io';
import 'package:bus_infotainment/pages/audio_cache_test.dart';
import 'package:bus_infotainment/pages/tfl_dataset_test.dart';
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:window_manager/window_manager.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
if (defaultTargetPlatform == TargetPlatform.windows && !kIsWeb) {
await windowManager.ensureInitialized();
WindowOptions options = WindowOptions(
size: Size(411.4, 850.3),
);
windowManager.setAspectRatio(411.4 / 850.3);
await windowManager.waitUntilReadyToShow(options, () async {
await windowManager.show();
await windowManager.focus();
});
}
LiveInformation liveInformation = LiveInformation();
await liveInformation.Initialize();
await liveInformation.initialize();
// Disalow screen to turn off on android
await SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
@@ -30,6 +47,10 @@ class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
// Permission.location.onGrantedCallback(() => null).request();
print("Window size: ${MediaQuery.of(context).size}");
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(

View File

@@ -1,9 +1,10 @@
import 'dart:async';
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:text_scroll/text_scroll.dart';
class ibus_display extends StatefulWidget {
@@ -21,13 +22,14 @@ class ibus_display extends StatefulWidget {
class _ibus_displayState extends State<ibus_display> {
String topLine = "*** NO MESSAGE ***";
String bottomLine = "";
late final ListenerReceipt<AnnouncementQueueEntry> _receipt;
_ibus_displayState(){
LiveInformation liveInformation = LiveInformation();
_receipt = liveInformation.announcementDelegate.addListener((value) {
_receipt = liveInformation.announcementModule.onAnnouncement.addListener((value) {
if (topLine == value.displayText){
return;
@@ -38,7 +40,7 @@ class _ibus_displayState extends State<ibus_display> {
});
});
topLine = liveInformation.currentAnnouncement;
topLine = liveInformation.announcementModule.currentAnnouncement?.displayText ?? liveInformation.announcementModule.defaultText;
}
@@ -55,6 +57,8 @@ class _ibus_displayState extends State<ibus_display> {
prefix += " ";
}
input = input.replaceAll("©", "(c)");
return prefix + input + suffix;
}
@@ -62,7 +66,7 @@ class _ibus_displayState extends State<ibus_display> {
@override
void dispose() {
LiveInformation().announcementDelegate.removeListener(_receipt);
LiveInformation().announcementModule.onAnnouncement.removeListener(_receipt);
super.dispose();
@@ -75,19 +79,45 @@ class _ibus_displayState extends State<ibus_display> {
return Container(
width: double.infinity,
color: Colors.black,
child: FittedBox(
alignment: Alignment.center,
child: Stack(
children: [
Positioned.fill(
child: Container(
alignment: Alignment.bottomCenter,
margin: EdgeInsets.all(1),
child: Text(
"© ImBenji.net - all rights reserved | © Transport for London - all rights reserved",
style: GoogleFonts.teko(
fontSize: 10,
color: Colors.white.withOpacity(0.01),
height: 1,
shadows: [
Shadow(
color: Colors.black,
blurRadius: 5,
)
]
)
),
),
),
Container(
// width: double.infinity,
// height: 100,
decoration: BoxDecoration(
color: Colors.black,
border: widget.hasBorder ? Border.all(color: Colors.grey.shade900, width: 2) : null,
),
@@ -127,17 +157,27 @@ class _ibus_displayState extends State<ibus_display> {
),
Transform.translate(
offset: Offset(0, -7),
child: Text(
"",
style: const TextStyle(
fontSize: 20,
color: Colors.orange,
fontFamily: "ibus",
height: 1.5
offset: Offset(0, -6),
child: Container(
alignment: Alignment.center,
width: 32*4*3,
child: TextScroll(
_padString(bottomLine),
velocity: Velocity(pixelsPerSecond: Offset(120, 0)),
style: const TextStyle(
fontSize: 20,
color: Colors.orange,
fontFamily: "ibus",
shadows: [
Shadow(
color: Colors.orange,
blurRadius: 5,
),
],
),
),
),
)
),
],
),
),
@@ -145,6 +185,8 @@ class _ibus_displayState extends State<ibus_display> {
),
Positioned.fill(
child: Container(
decoration: BoxDecoration(

View File

@@ -3,6 +3,7 @@ import 'package:bus_infotainment/pages/components/ibus_display.dart';
import 'package:bus_infotainment/pages/tfl_dataset_test.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_fonts/google_fonts.dart';
class pages_Display extends StatefulWidget {
@@ -30,23 +31,29 @@ class _pages_DisplayState extends State<pages_Display> {
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(
child: RotatedBox(
quarterTurns: 1,
child: Stack(
alignment: Alignment.center,
children: [
ibus_display(
hasBorder: false,
),
if (MediaQuery.of(context).size.width < 600)
Expanded(
child: RotatedBox(
quarterTurns: 1,
child: ibus_display(
hasBorder: false,
),
),
)
else
Expanded(
child: ibus_display(
hasBorder: false,
if (widget._tfL_Dataset_TestState.hideUI)
Container(
alignment: Alignment.bottomLeft,
height: double.infinity,
width: double.infinity,
margin: EdgeInsets.all(5),
)
],
),
),
)
],
),
),

View File

@@ -1,11 +1,15 @@
import 'dart:async';
import 'package:bus_infotainment/pages/components/ibus_display.dart';
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/OrdinanceSurveyUtils.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:google_fonts/google_fonts.dart';
class pages_Home extends StatelessWidget {
@@ -18,226 +22,343 @@ class pages_Home extends StatelessWidget {
child: SingleChildScrollView(
child: Column(
children: [
Container(
height: 2,
color: Colors.white70,
),
Container(
decoration: BoxDecoration(
color: Colors.grey.shade900,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.3),
blurRadius: 2,
spreadRadius: 4
)
]
),
margin: EdgeInsets.all(20),
child: ibus_display(),
),
Container(
height: 2,
color: Colors.white70,
),
Container(
margin: EdgeInsets.all(20),
child: Container(
decoration: BoxDecoration(
color: Colors.grey.shade900,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.3),
blurRadius: 2,
spreadRadius: 4
)
]
),
child: ManualAnnouncementPicker(
backgroundColor: Colors.grey.shade900,
outlineColor: Colors.white70,
announcements: [
...LiveInformation().manualAnnouncements
],
),
),
),
Container(
height: 2,
color: Colors.white70,
),
Container(
margin: EdgeInsets.all(20),
child: Container(
decoration: BoxDecoration(
color: Colors.grey.shade900,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.3),
blurRadius: 2,
spreadRadius: 4
)
]
),
child: DelegateBuilder<BusRouteVariant>(
delegate: LiveInformation().routeVariantDelegate,
builder: (context, routeVariant) {
print("rebuilt stop announcement picker");
return StopAnnouncementPicker(
routeVariant: routeVariant,
child: Column(
children: [
Row(
children: [
Speedometer(),
],
),
Container(
height: 2,
color: Colors.white70,
),
SingleChildScrollView(
child: Column(
children: [
Container(
margin: EdgeInsets.all(10),
child: Container(
decoration: BoxDecoration(
color: Colors.grey.shade900,
),
child: AnnouncementPicker(
backgroundColor: Colors.grey.shade900,
outlineColor: Colors.white70,
);
},
defaultBuilder: (context) {
BusRouteVariant? routeVariant = LiveInformation().getRouteVariant();
if (routeVariant == null) {
return Container(
color: Colors.grey.shade900,
child: Center(
child: Text(
"No route selected",
style: GoogleFonts.teko(
fontSize: 25,
color: Colors.white70
),
),
),
);
} else {
return StopAnnouncementPicker(
routeVariant: routeVariant,
backgroundColor: Colors.grey.shade900,
outlineColor: Colors.white70,
);
}
},
announcements: [
for (NamedAnnouncementQueueEntry announcement in LiveInformation().announcementModule.manualAnnouncements)
_AnnouncementEntry(
label: announcement.shortName,
index: LiveInformation().announcementModule.manualAnnouncements.indexOf(announcement),
outlineColor: Colors.white70,
onPressed: (){
LiveInformation liveInformation = LiveInformation();
liveInformation.announcementModule.queueAnnounementByInfoIndex(
infoIndex: liveInformation.announcementModule.manualAnnouncements.indexOf(announcement),
sendToServer: true
);
},
)
],
),
),
),
),
Container(
height: 2,
color: Colors.white70,
),
Container(
margin: EdgeInsets.all(10),
child: Container(
decoration: BoxDecoration(
color: Colors.grey.shade900,
),
child: DelegateBuilder<BusRouteVariant>(
delegate: LiveInformation().routeVariantDelegate,
builder: (context, routeVariant) {
print("rebuilt stop announcement picker");
return StopAnnouncementPicker(
routeVariant: routeVariant,
backgroundColor: Colors.grey.shade900,
outlineColor: Colors.white70,
);
},
defaultBuilder: (context) {
BusRouteVariant? routeVariant = LiveInformation().getRouteVariant();
if (routeVariant == null) {
return Container(
color: Colors.grey.shade900,
child: Center(
child: Text(
"No route selected",
style: GoogleFonts.teko(
fontSize: 25,
color: Colors.white70
),
),
),
);
} else {
return StopAnnouncementPicker(
routeVariant: routeVariant,
backgroundColor: Colors.grey.shade900,
outlineColor: Colors.white70,
);
}
},
),
),
),
ElevatedButton(
onPressed: () async {
LiveInformation liveInformation = LiveInformation();
final commandModule = liveInformation.commandModule;
// commandModule.executeCommand(
// "announce dest"
// );
liveInformation.announcementModule.queueAnnouncementByRouteVariant(
routeVariant: liveInformation.getRouteVariant()!
);
},
child: Text("Announce current destination"),
),
// Container(
//
// margin: EdgeInsets.all(20),
//
// height: 300-45,
//
// child: ListView(
//
// scrollDirection: Axis.vertical,
//
// children: [
//
// ElevatedButton(
// onPressed: () async {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.queueAnnouncement(await liveInformation.getDestinationAnnouncement(liveInformation.getRouteVariant()!, sendToServer: false));
// },
// child: Text("Test announcement"),
// ),
//
// ElevatedButton(
// onPressed: () {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.updateServer();
// },
// child: Text("Update server"),
// ),
//
// SizedBox(
//
// width: 100,
//
// child: TextField(
// onChanged: (String value) {
// LiveInformation liveInformation = LiveInformation();
// // liveInformation.documentID = value;
// },
// ),
// ),
//
// SizedBox(
//
// width: 200,
//
// child: TextField(
// onSubmitted: (String value) {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.queueAnnouncement(AnnouncementQueueEntry(
// displayText: value,
// audioSources: []
// ));
// },
// ),
// ),
//
// ElevatedButton(
// onPressed: () {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.pullServer();
// },
// child: Text("Pull server"),
// ),
//
// ],
//
// ),
//
// ),
],
),
ElevatedButton(
onPressed: () async {
LiveInformation liveInformation = LiveInformation();
liveInformation.queueAnnouncement(await liveInformation.getDestinationAnnouncement(liveInformation.getRouteVariant()!, sendToServer: true));
},
child: Text("Announce Destination"),
),
// Container(
//
// margin: EdgeInsets.all(20),
//
// height: 300-45,
//
// child: ListView(
//
// scrollDirection: Axis.vertical,
//
// children: [
//
// ElevatedButton(
// onPressed: () async {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.queueAnnouncement(await liveInformation.getDestinationAnnouncement(liveInformation.getRouteVariant()!, sendToServer: false));
// },
// child: Text("Test announcement"),
// ),
//
// ElevatedButton(
// onPressed: () {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.updateServer();
// },
// child: Text("Update server"),
// ),
//
// SizedBox(
//
// width: 100,
//
// child: TextField(
// onChanged: (String value) {
// LiveInformation liveInformation = LiveInformation();
// // liveInformation.documentID = value;
// },
// ),
// ),
//
// SizedBox(
//
// width: 200,
//
// child: TextField(
// onSubmitted: (String value) {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.queueAnnouncement(AnnouncementQueueEntry(
// displayText: value,
// audioSources: []
// ));
// },
// ),
// ),
//
// ElevatedButton(
// onPressed: () {
// LiveInformation liveInformation = LiveInformation();
// liveInformation.pullServer();
// },
// child: Text("Pull server"),
// ),
//
// ],
//
// ),
//
// ),
],
),
),
],
)
);
}
}
class ManualAnnouncementPicker extends StatefulWidget {
class Speedometer extends StatefulWidget {
@override
State<Speedometer> createState() => _SpeedometerState();
}
class _SpeedometerState extends State<Speedometer> {
double speed = 0;
double arrivalTime = 0;
BusRouteStop? nearestStop;
double speed2 = 0;
_SpeedometerState(){
}
@override
void initState() {
// TODO: implement initState
super.initState();
Timer.periodic(Duration(milliseconds: 250), (timer) {
Position? newPosition = LiveInformation().trackerModule.position;
speed = newPosition?.speed ?? 0;
arrivalTime -= 0.25;
arrivalTime = arrivalTime < 0 ? 0 : arrivalTime;
setState(() {
});
});
}
@override
Widget build(BuildContext context) {
// TODO: implement build
return Container(
margin: EdgeInsets.all(8),
height: 74,
child: Row(
children: [
Container(
// width: 60,
height: double.infinity,
alignment: Alignment.center,
decoration: BoxDecoration(
border: Border.all(
color: Colors.white70,
width: 2
)
),
padding: const EdgeInsets.all(8),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
decoration: BoxDecoration(
border: Border.all(
color: Colors.white70,
width: 2
)
),
width: 30,
height: 30,
alignment: Alignment.center,
child: Text(
"${((speed) * 2.237).toInt()}",
style: GoogleFonts.teko(
fontSize: 20,
color: Colors.white70,
height: 1
),
)
),
const SizedBox(
height: 4,
),
Text(
"MPH",
style: GoogleFonts.teko(
fontSize: 20,
color: Colors.white70,
height: 1
),
),
],
),
),
],
),
);
}
}
class AnnouncementPicker extends StatefulWidget {
final Color backgroundColor;
final Color outlineColor;
final List<NamedAnnouncementQueueEntry> announcements;
final List<Widget> announcements;
const ManualAnnouncementPicker({super.key, required this.backgroundColor, required this.outlineColor, required this.announcements});
const AnnouncementPicker({super.key, required this.backgroundColor, required this.outlineColor, required this.announcements});
@override
State<ManualAnnouncementPicker> createState() => _ManualAnnouncementPickerState();
State<AnnouncementPicker> createState() => _AnnouncementPickerState();
}
class _ManualAnnouncementPickerState extends State<ManualAnnouncementPicker> {
class _AnnouncementPickerState extends State<AnnouncementPicker> {
List<Widget> announcementWidgets = [];
@@ -255,13 +376,9 @@ class _ManualAnnouncementPickerState extends State<ManualAnnouncementPicker> {
}
int i = 0;
for (NamedAnnouncementQueueEntry announcement in widget.announcements!) {
for (Widget announcement in widget.announcements!) {
announcementWidgets.add(
_ManualAnnouncementEntry(
announcement: announcement,
index: i,
outlineColor: Colors.white70
)
announcement
);
i++;
}
@@ -436,7 +553,7 @@ class _ManualAnnouncementPickerState extends State<ManualAnnouncementPicker> {
Positioned.fill(
child: ElevatedButton(
onPressed: () {
_currentIndex = wrap(_currentIndex - 4, 0, announcementWidgets.length);
_currentIndex = wrap(_currentIndex - 4, 0, announcementWidgets.length, increment: 4);
setState(() {});
print(_currentIndex);
},
@@ -489,7 +606,7 @@ class _ManualAnnouncementPickerState extends State<ManualAnnouncementPicker> {
Positioned.fill(
child: ElevatedButton(
onPressed: () {
_currentIndex = wrap(_currentIndex + 4, 0, announcementWidgets.length);
_currentIndex = wrap(_currentIndex + 4, 0, announcementWidgets.length, increment: 4);
setState(() {});
print(_currentIndex);
},
@@ -529,7 +646,7 @@ class _ManualAnnouncementPickerState extends State<ManualAnnouncementPicker> {
}
}
class StopAnnouncementPicker extends ManualAnnouncementPicker {
class StopAnnouncementPicker extends AnnouncementPicker {
final BusRouteVariant routeVariant;
StopAnnouncementPicker({
@@ -542,29 +659,52 @@ class StopAnnouncementPicker extends ManualAnnouncementPicker {
backgroundColor: backgroundColor,
outlineColor: outlineColor,
announcements: [
for (BusRouteStops stop in routeVariant.busStops)
ManualAnnouncementEntry(
shortName: stop.formattedStopName,
informationText: stop.formattedStopName,
audioFileNames: [
stop.getAudioFileName()
]
for (BusRouteStop stop in routeVariant.busStops)
_AnnouncementEntry(
label: stop.formattedStopName,
onPressed: () {
LiveInformation liveInformation = LiveInformation();
liveInformation.announcementModule.queueAnnounceByAudioName(
displayText: stop.formattedStopName,
audioNames: [stop.getAudioFileName()],
);
},
index: routeVariant.busStops.indexOf(stop),
outlineColor: outlineColor,
alert: LiveInformation().announcementModule.announcementCache[stop.getAudioFileName()] == null,
)
]
);
}
int wrap(int i, int j, int length) {
return ((i - j) % length + length) % length;
int wrap(int i, int j, int length, {int increment = -1}) {
if (increment == -1) {
return ((i - j) % length + length) % length;
} else {
if (i >= length) {
return 0;
} else if (i < 0) {
double d = length / increment;
int n = d.toInt();
return (n-1) * increment;
} else {
return i;
}
}
}
class _ManualAnnouncementEntry extends StatelessWidget {
class _AnnouncementEntry extends StatelessWidget {
final NamedAnnouncementQueueEntry announcement;
final String label;
final Function onPressed;
final int index;
final Color outlineColor;
_ManualAnnouncementEntry({super.key, required this.announcement, required this.index, required this.outlineColor});
bool alert = false;
_AnnouncementEntry({super.key, required this.label, required this.onPressed, required this.index, required this.outlineColor, this.alert = false});
@override
Widget build(BuildContext context) {
@@ -591,35 +731,60 @@ class _ManualAnnouncementEntry extends StatelessWidget {
width: double.infinity,
child: Transform.translate(
child: Row(
children: [
Row(
children: [
Container(
offset: Offset(0, 4),
child: Row(
children: [
Text(
announcement.shortName,
style: GoogleFonts.teko(
fontSize: 25,
color: outlineColor,
)
),
Expanded(
child: Container(
alignment: Alignment.centerRight,
constraints: const BoxConstraints(
maxWidth: 260
),
child: Text(
(index+1).toString(),
label,
style: GoogleFonts.teko(
fontSize: 25,
color: outlineColor,
)
),
overflow: TextOverflow.ellipsis,
),
),
)
],
),
if (alert)
const SizedBox(
width: 4,
),
if (alert)
Icon(
Icons.error,
color: Colors.red.shade800,
size: 25,
shadows: const [
Shadow(
color: Colors.black,
blurRadius: 2,
)
],
)
],
),
Expanded(
child: Container(
alignment: Alignment.centerRight,
child: Text(
(index+1).toString(),
style: GoogleFonts.teko(
fontSize: 25,
color: outlineColor,
)
),
),
)
],
)
),
@@ -627,8 +792,7 @@ class _ManualAnnouncementEntry extends StatelessWidget {
Positioned.fill(
child: ElevatedButton(
onPressed: () {
LiveInformation liveInformation = LiveInformation();
liveInformation.queueAnnouncement(announcement);
onPressed();
},
style: ElevatedButton.styleFrom(

View File

@@ -1,5 +1,6 @@
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/pages/components/ibus_display.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
@@ -20,7 +21,19 @@ class _pages_RoutesState extends State<pages_Routes> {
LiveInformation liveInformation = LiveInformation();
List<Widget> routes = [];
routes.add(SizedBox(height: 10));
// routes.add(Container(
// width: double.infinity,
// height: 16,
// decoration: BoxDecoration(
// color: Colors.grey.shade900,
// border: const Border.symmetric(
// horizontal: BorderSide(
// color: Colors.white70,
// width: 2,
// ),
// )
// ),
// ));
for (BusRoute route in liveInformation.busSequences!.routes.values) {
if (!route.routeNumber.toLowerCase().contains(_controller.text.toLowerCase())) {
@@ -28,53 +41,81 @@ class _pages_RoutesState extends State<pages_Routes> {
}
routes.add(_Route(route, this));
routes.add(SizedBox(height: 10));
routes.add(Container(
width: double.infinity,
height: 16,
decoration: BoxDecoration(
color: Colors.grey.shade900,
border: const Border.symmetric(
horizontal: BorderSide(
color: Colors.white70,
width: 2,
),
)
),
));
}
if(!routes.isEmpty){
routes.removeLast();
}
return Container(
color: Theme.of(context).colorScheme.background,
width: double.infinity,
// padding: const EdgeInsets.symmetric(horizontal: 10),
child: Column(
children: [
decoration: BoxDecoration(
color: Colors.grey.shade900,
),
width: double.infinity,
child: Column(
Container(
children: [
padding: const EdgeInsets.all(10),
Container(
margin: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.background,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.5),
spreadRadius: 2,
blurRadius: 4,
),
],
),
child: TextField(
controller: _controller,
onChanged: (String value) {
setState(() {});
},
child: TextField(
controller: _controller,
decoration: InputDecoration(
hintText: ">",
),
onChanged: (String value) {
setState(() {});
},
),
),
Container(
width: double.infinity,
height: 2,
color: Colors.white70,
),
if (routes.isNotEmpty)
Expanded(
child: ListView(
children: routes,
),
),
)
else
Expanded(
child: Center(
child: Text(
"No routes found",
style: GoogleFonts.teko(
fontSize: 50,
fontWeight: FontWeight.bold,
color: Colors.white70,
height: 1
),
),
),
)
],
],
)
)
);
}
@@ -93,28 +134,23 @@ class _Route extends StatelessWidget {
List<Widget> Variants = [];
for (BusRouteVariant variant in route.routeVariants.values) {
Variants.add(const SizedBox(height: 10));
Variants.add(_Variant(route, variant, tfL_Dataset_TestState));
if (route.routeVariants.values.last != variant) {
Variants.add(Container(
width: double.infinity,
height: 2,
color: Colors.white70,
));
}
}
return Container(
alignment: Alignment.center,
decoration: BoxDecoration(
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.5),
spreadRadius: 2,
blurRadius: 4,
),
],
color: Colors.grey.shade900,
borderRadius: BorderRadius.circular(10),
),
margin: const EdgeInsets.symmetric(horizontal: 10),
padding: const EdgeInsets.all(10),
color: Colors.grey.shade900,
width: 100,
@@ -125,21 +161,27 @@ class _Route extends StatelessWidget {
children: [
Container(
decoration: BoxDecoration(
color: Colors.grey.shade800,
borderRadius: BorderRadius.circular(5),
color: Colors.transparent,
border: Border.all(
color: Colors.white70,
width: 2,
),
),
padding: const EdgeInsets.all(8),
margin: const EdgeInsets.all(4),
child: Text(
"Route: ${route.routeNumber}",
style: GoogleFonts.montserrat(
fontSize: 20,
style: GoogleFonts.teko(
fontSize: 25,
fontWeight: FontWeight.bold,
color: Colors.white,
color: Colors.white70,
height: 1
),
@@ -147,12 +189,35 @@ class _Route extends StatelessWidget {
),
ListView(
children: Variants,
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
Container(
width: double.infinity,
height: 2,
color: Colors.white70
),
Container(
decoration: BoxDecoration(
color: Colors.transparent,
border: Border.all(
color: Colors.white70,
width: 2,
),
),
margin: const EdgeInsets.all(4),
child: ListView(
children: Variants,
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
),
),
],
),
@@ -181,7 +246,7 @@ class _Variant extends StatelessWidget {
Container(
decoration: BoxDecoration(
color: Colors.grey.shade800,
color: Colors.transparent,
borderRadius: BorderRadius.circular(5),
),
@@ -198,10 +263,10 @@ class _Variant extends StatelessWidget {
children: [
Text(
"Start:",
style: GoogleFonts.montserrat(
fontSize: 15,
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.white,
color: Colors.white70,
height: 1,
),
),
@@ -210,14 +275,14 @@ class _Variant extends StatelessWidget {
Expanded(
child: TextScroll(
"${variant.busStops.first.formattedStopName}",
variant.busStops.first.formattedStopName,
mode: TextScrollMode.bouncing,
pauseBetween: const Duration(seconds: 2),
pauseOnBounce: const Duration(seconds: 2),
style: GoogleFonts.montserrat(
fontSize: 15,
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.normal,
color: Colors.white,
color: Colors.white70,
height: 1,
),
),
@@ -232,10 +297,11 @@ class _Variant extends StatelessWidget {
children: [
Text(
"End:",
style: GoogleFonts.montserrat(
fontSize: 15,
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.white,
color: Colors.white70,
height: 1,
),
),
@@ -247,10 +313,10 @@ class _Variant extends StatelessWidget {
mode: TextScrollMode.bouncing,
pauseBetween: const Duration(seconds: 2),
pauseOnBounce: const Duration(seconds: 2),
style: GoogleFonts.montserrat(
fontSize: 15,
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.normal,
color: Colors.white,
color: Colors.white70,
height: 1,
),
),
@@ -338,13 +404,12 @@ class _Variant extends StatelessWidget {
Navigator.of(context).pop();
LiveInformation liveInformation = LiveInformation();
liveInformation.setRouteVariant(variant);
await liveInformation.setRouteVariant(variant);
liveInformation.queueAnnouncement(
await liveInformation.getDestinationAnnouncement(
variant,
sendToServer: true,
)
liveInformation.announcementModule.queueAnnouncementByRouteVariant(
routeVariant: variant,
scheduledTime: liveInformation.syncedTimeModule.Now(),
sendToServer: false
);
tfL_Dataset_TestState.setState(() {});

View File

@@ -1,9 +1,12 @@
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/backend/modules/commands.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:text_scroll/text_scroll.dart';
import 'package:url_launcher/url_launcher_string.dart';
class pages_Settings extends StatefulWidget {
@@ -14,22 +17,87 @@ class pages_Settings extends StatefulWidget {
class _pages_SettingsState extends State<pages_Settings> {
late final Widget _loginPage;
@override
void initState() {
// TODO: implement initState
super.initState();
if (!LiveInformation().auth.isAuthenticated()){
_loginPage = _LoginPage(
onLogin: () {
setState(() {});
},
);
} else {
_loginPage = Container(
padding: const EdgeInsets.all(8),
child: ElevatedButton(
onPressed: (){
setState(() {});
LiveInformation().auth.deleteSession();
},
// make the corner radius 4, background color match the theme, and text colour white, fill to width of parent
style: ElevatedButton.styleFrom(
backgroundColor: Theme.of(context).colorScheme.primary,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(4)
),
minimumSize: Size(double.infinity, 48)
),
child: Text(
"Sign out",
style: GoogleFonts.interTight(
fontSize: 15,
fontWeight: FontWeight.w600,
color: Colors.white,
letterSpacing: 0.5
)
)
),
);
}
}
@override
Widget build(BuildContext context) {
if (LiveInformation().auth.isAuthenticated()){
return Container(
return Container(
child: SingleChildScrollView(
child: Column(
children: [
Container(
margin: const EdgeInsets.all(8),
child: Console()
),
Container(
height: 2,
width: double.infinity,
color: Colors.white70,
),
);
} else {
return _LoginPage(
onLogin: () {
Container(
},
);
}
padding: const EdgeInsets.all(8),
child: _loginPage,
)
],
),
)
);
}
}
@@ -626,4 +694,118 @@ class PW_TextField extends StatelessWidget {
);
}
}
// Console widget
class Console extends StatefulWidget {
Console({super.key});
@override
State<Console> createState() => _ConsoleState();
}
class _ConsoleState extends State<Console> {
ListenerReceipt? _listenerReceipt;
@override
void initState() {
// TODO: implement initState
super.initState();
_listenerReceipt = LiveInformation().commandModule.onCommandReceived.addListener((p0) {
print("Command received, updating console");
setState(() {});
});
}
@override
void dispose() {
// TODO: implement dispose
super.dispose();
}
@override
Widget build(BuildContext context) {
List<Widget> commands = [];
TextEditingController commandController = TextEditingController();
commands.add(
Text("Command History:")
);
for (int i = 0; i < LiveInformation().commandModule.commandHistory.length; i++){
CommandInfo command = LiveInformation().commandModule.commandHistory[i];
commands.add(
TextScroll(
command.command,
style: GoogleFonts.teko(
fontSize: 15,
fontWeight: FontWeight.w400,
color: Colors.grey.shade300,
letterSpacing: 0.1,
),
mode: TextScrollMode.bouncing,
pauseBetween: const Duration(seconds: 2),
pauseOnBounce: const Duration(seconds: 1),
)
);
}
return Container(
decoration: BoxDecoration(
border: Border.all(color: Colors.white70, width: 2),
color: Colors.black,
),
child: Column(
children: [
Container(
padding: const EdgeInsets.all(8),
height: 300,
child: ListView(
children: commands,
),
),
Container(
height: 2,
width: double.infinity,
color: Colors.white70,
),
Container(
height: 50,
padding: const EdgeInsets.all(8),
child: TextField(
controller: commandController,
decoration: const InputDecoration(
hintText: ">",
),
style: GoogleFonts.teko(
height: 1,
),
onSubmitted: (value) {
commandController.clear();
LiveInformation().commandModule.executeCommand(value);
},
),
)
],
),
);
}
}

View File

@@ -5,11 +5,15 @@ import 'package:bus_infotainment/pages/display.dart';
import 'package:bus_infotainment/pages/home.dart';
import 'package:bus_infotainment/pages/routes.dart';
import 'package:bus_infotainment/pages/settings.dart';
import 'package:bus_infotainment/singletons/live_information.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:text_scroll/text_scroll.dart';
import 'package:window_manager/window_manager.dart';
import 'components/ibus_display.dart';
class TfL_Dataset_Test extends StatefulWidget {
@@ -19,11 +23,13 @@ class TfL_Dataset_Test extends StatefulWidget {
class TfL_Dataset_TestState extends State<TfL_Dataset_Test> {
int _selectedIndex = 0;
int _selectedIndex = 1;
bool hideUI = false;
bool shouldCurve = false;
bool rotated = false;
late final List<Widget> Pages;
late final List<Widget> Pages;
TfL_Dataset_TestState() {
Pages = [
@@ -42,111 +48,434 @@ class TfL_Dataset_TestState extends State<TfL_Dataset_Test> {
_selectedIndex = min(_selectedIndex, Pages.length - 1);
_selectedIndex = max(_selectedIndex, 0);
hideUI = _selectedIndex == 2 ? hideUI : false;
// print the window size
if (defaultTargetPlatform == TargetPlatform.android) {
shouldCurve = true;
} else {
rotated = _selectedIndex == 2;
print("Window size: ${MediaQuery.of(context).size}");
windowManager.getSize().then((value) {
double aspectRatio = value.width / value.height;
double targetAspectRatio = rotated ? 850.3 / 411.4 : 411.4 / 850.3;
if ((aspectRatio - targetAspectRatio).abs() > 0.01) { // Add a tolerance value
if (aspectRatio != targetAspectRatio) {
windowManager.setSize(Size(value.height * targetAspectRatio, value.height));
}
}
});
}
return Scaffold(
appBar: !hideUI ? AppBar(
// appBar: !hideUI ? AppBar(
//
// surfaceTintColor: Colors.transparent,
//
// title: Container(
//
// child: Column(
//
// crossAxisAlignment: CrossAxisAlignment.start,
//
// children: [
//
// Text(
// "Bus Infotainment",
// style: GoogleFonts.teko(
// fontSize: 25,
// fontWeight: FontWeight.bold,
// color: Colors.white,
// height: 1,
// ),
// ),
//
// Row(
//
// children: [
//
// Text(
// "Selected: ",
// style: GoogleFonts.teko(
// fontSize: 20,
// fontWeight: FontWeight.w600,
// color: Colors.white,
// height: 1,
// ),
// ),
//
// if (liveInformation.getRouteVariant() != null)
// Container(
//
// decoration: BoxDecoration(
// color: Colors.black,
// ),
//
// padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
//
// child: Text(
// "${liveInformation.getRouteVariant()!.busRoute.routeNumber} to ${liveInformation.getRouteVariant()!.busStops.last.formattedStopName}",
// style: GoogleFonts.montserrat(
// fontSize: 20,
// fontWeight: FontWeight.w500,
// color: Colors.orange.shade900,
// ),
// ),
//
// )
// else
// Text(
// "None",
// style: GoogleFonts.teko(
// fontSize: 20,
// fontWeight: FontWeight.w500,
// color: Colors.white,
// ),
// ),
// ],
//
// )
//
// ],
//
// ),
// ),
// ) : null,
body: Container(
surfaceTintColor: Colors.transparent,
width: double.infinity,
height: double.infinity,
title: Container(
child: RotatedBox(
quarterTurns: rotated ? 3 : 0,
child: FittedBox(
child: Column(
alignment: Alignment.topCenter,
fit: BoxFit.fitWidth,
crossAxisAlignment: CrossAxisAlignment.start,
child: Container(
children: [
Text(
"Bus Infotainment",
style: GoogleFonts.teko(
fontSize: 25,
fontWeight: FontWeight.bold,
color: Colors.white,
height: 1,
),
constraints: const BoxConstraints(
maxWidth: 411.4,
maxHeight: 850.3,
),
Row(
child: Container(
children: [
Text(
"Selected: ",
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.w600,
color: Colors.white,
height: 1,
),
decoration: BoxDecoration(
borderRadius: shouldCurve ? const BorderRadius.only(
bottomLeft: Radius.circular(15),
bottomRight: Radius.circular(15),
) : null,
border: Border.all(
color: Colors.white70,
width: 2,
),
color: Colors.grey.shade900,
),
if (liveInformation.getRouteVariant() != null)
margin: const EdgeInsets.all(6),
child: Column(
children: [
if (!hideUI)
Container(
decoration: BoxDecoration(
color: Colors.black,
),
margin: const EdgeInsets.all(6),
padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
child: ibus_display(),
),
child: Text(
"${liveInformation.getRouteVariant()!.busRoute.routeNumber} to ${liveInformation.getRouteVariant()!.busStops.last.formattedStopName}",
style: GoogleFonts.montserrat(
fontSize: 20,
fontWeight: FontWeight.w500,
color: Colors.orange.shade900,
if (!hideUI)
Container(
width: double.infinity,
height: 2,
color: Colors.white70,
),
Expanded(
child: Container(
margin: const EdgeInsets.all(8),
decoration: BoxDecoration(
border: Border.all(
color: Colors.white70,
width: 2,
),
color: Colors.grey.shade900,
borderRadius: hideUI && shouldCurve ? const BorderRadius.only(
bottomLeft: Radius.circular(7),
bottomRight: Radius.circular(7),
) : null,
),
),
)
else
Text(
"None",
style: GoogleFonts.teko(
fontSize: 20,
fontWeight: FontWeight.w500,
color: Colors.white,
child: ClipRRect(
// curved corners
borderRadius: BorderRadius.only(
bottomLeft: Radius.circular(7),
bottomRight: Radius.circular(7),
),
child: Pages[_selectedIndex],
)
),
),
],
)
if (!hideUI)
Container(
width: double.infinity,
height: 2,
color: Colors.white70,
),
],
if (!hideUI)
Container(
height: 50,
child: Row(
children: [
Expanded(
child: Stack(
children: [
Container(
alignment: Alignment.center,
margin: const EdgeInsets.all(10),
child: Text(
"Home",
style: GoogleFonts.teko(
color: Colors.white70,
fontSize: 20,
fontWeight: FontWeight.bold,
),
)
),
Positioned.fill(
child: ElevatedButton(
onPressed: () {
setState(() {
_selectedIndex = 0;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.transparent,
shadowColor: Colors.transparent,
surfaceTintColor: Colors.transparent,
foregroundColor: Colors.transparent,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(0),
),
),
child: Container()
),
)
],
),
),
Container(
width: 2,
height: double.infinity,
color: Colors.white70,
),
Expanded(
child: Stack(
children: [
Container(
alignment: Alignment.center,
margin: const EdgeInsets.all(10),
child: Text(
"Routes",
style: GoogleFonts.teko(
color: Colors.white70,
fontSize: 20,
fontWeight: FontWeight.bold,
),
)
),
Positioned.fill(
child: ElevatedButton(
onPressed: () {
setState(() {
_selectedIndex = 1;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.transparent,
shadowColor: Colors.transparent,
surfaceTintColor: Colors.transparent,
foregroundColor: Colors.transparent,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(0),
),
),
child: Container()
),
)
],
),
),
Container(
width: 2,
height: double.infinity,
color: Colors.white70,
),
Expanded(
child: Stack(
children: [
Container(
alignment: Alignment.center,
margin: const EdgeInsets.all(10),
child: Text(
"Display",
style: GoogleFonts.teko(
color: Colors.white70,
fontSize: 20,
fontWeight: FontWeight.bold,
),
)
),
Positioned.fill(
child: ElevatedButton(
onPressed: () {
setState(() {
_selectedIndex = 2;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.transparent,
shadowColor: Colors.transparent,
surfaceTintColor: Colors.transparent,
foregroundColor: Colors.transparent,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(0),
),
),
child: Container()
),
)
],
),
),
Container(
width: 2,
height: double.infinity,
color: Colors.white70,
),
Expanded(
child: Stack(
children: [
Container(
alignment: Alignment.center,
margin: const EdgeInsets.all(10),
child: Text(
"Settings",
style: GoogleFonts.teko(
color: Colors.white70,
fontSize: 20,
fontWeight: FontWeight.bold,
),
)
),
Positioned.fill(
child: ElevatedButton(
onPressed: () {
setState(() {
_selectedIndex = 3;
});
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.transparent,
shadowColor: Colors.transparent,
surfaceTintColor: Colors.transparent,
foregroundColor: Colors.transparent,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(0),
),
),
child: Container()
),
)
],
),
),
],
),
)
],
)
),
),
),
),
) : null,
body: Pages[_selectedIndex],
),
bottomNavigationBar: !hideUI ? NavigationBar(
selectedIndex: _selectedIndex,
destinations: const [
NavigationDestination(
icon: Icon(Icons.home),
label: "Home",
),
NavigationDestination(
icon: Icon(Icons.bus_alert),
label: "Routes",
),
NavigationDestination(
icon: Icon(Icons.tv),
label: "Display",
),
NavigationDestination(
icon: Icon(Icons.settings),
label: "Settings",
),
],
onDestinationSelected: (int index) {
setState(() {
_selectedIndex = index;
});
},
) : null,
// bottomNavigationBar: !hideUI ? NavigationBar(
// selectedIndex: _selectedIndex,
// destinations: const [
// NavigationDestination(
// icon: Icon(Icons.home),
// label: "Home",
// ),
// NavigationDestination(
// icon: Icon(Icons.bus_alert),
// label: "Routes",
// ),
// NavigationDestination(
// icon: Icon(Icons.tv),
// label: "Display",
// ),
// NavigationDestination(
// icon: Icon(Icons.settings),
// label: "Settings",
// ),
// ],
// onDestinationSelected: (int index) {
// setState(() {
// _selectedIndex = index;
// });
// },
//
// ) : null,
);
}
}

View File

@@ -1,855 +0,0 @@
// Singleton
import 'dart:async';
import 'dart:convert';
import 'package:appwrite/appwrite.dart' as appwrite;
import 'package:appwrite/models.dart' as models;
import 'package:bus_infotainment/audio_cache.dart';
import 'package:bus_infotainment/auth/api_constants.dart';
import 'package:bus_infotainment/auth/auth_api.dart';
import 'package:bus_infotainment/tfl_datasets.dart';
import 'package:bus_infotainment/utils/audio%20wrapper.dart';
import 'package:bus_infotainment/utils/delegates.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'package:http/http.dart' as http;
import 'package:ntp/ntp.dart';
class LiveInformation {
static final LiveInformation _singleton = LiveInformation._internal();
factory LiveInformation() {
return _singleton;
}
LiveInformation._internal();
Future<void> Initialize() async {
{
// Load the bus sequences
try {
http.Response response = await http.get(Uri.parse('https://tfl.gov.uk/bus-sequences.csv'));
busSequences = BusSequences.fromCSV(response.body);
print("Loaded bus sequences from TFL");
} catch (e) {
String csv = await rootBundle.loadString("assets/datasets/bus-sequences.csv");
busSequences = BusSequences.fromCSV(csv);
print("Loaded bus sequences from assets");
}
if (auth.isAuthenticated()){
print("Auth is authenticated");
setupRealtime();
} else {
print("Auth is not authenticated");
auth.onLogin.addListener((value) {
setupRealtime();
});
}
}
refreshTimer();
}
Timer refreshTimer() => Timer.periodic(const Duration(milliseconds: 100), (timer) async {
await updateNtpOffset();
_handleAnnouncementQueue();
});
int ntpOffset = -1;
DateTime lastNtpUpdate = DateTime.now().add(const Duration(seconds: -15));
/// updates the NTP offset from DateTime.now()
Future<void> updateNtpOffset() async {
// Only update the NTP offset every 10 seconds
if (DateTime.now().difference(lastNtpUpdate).inSeconds < 10) {
return;
}
var res = await http.get(Uri.parse('http://worldtimeapi.org/api/timezone/Europe/London'));
if (res.statusCode == 200) {
var json = jsonDecode(res.body);
DateTime time = DateTime.parse(json['datetime']);
ntpOffset = time.millisecondsSinceEpoch - DateTime.now().millisecondsSinceEpoch;
lastNtpUpdate = DateTime.now();
}
}
DateTime getNow() {
if (ntpOffset == -1) {
throw Exception("NTP offset not set");
}
return DateTime.now().add(Duration(milliseconds: ntpOffset));
}
AudioWrapper audioPlayer = AudioWrapper();
AnnouncementCache announcementCache = AnnouncementCache();
List<AnnouncementQueueEntry> announcementQueue = [];
DateTime lastAnnouncementTimeStamp = DateTime.now().toUtc();
EventDelegate<AnnouncementQueueEntry> announcementDelegate = EventDelegate();
String _currentAnnouncement = "*** NO MESSAGE ***";
String get currentAnnouncement => _currentAnnouncement;
void set currentAnnouncement(String value) {
_currentAnnouncement = value;
}
bool isPlayingAnnouncement = false;
void _handleAnnouncementQueue() async {
int timerInterval = 100;
// print("Handling announcement queue");
if (!isPlayingAnnouncement) {
if (announcementQueue.isNotEmpty) {
print("Handling announcement queue");
AnnouncementQueueEntry announcement = announcementQueue.first;
print("Queue length: ${announcementQueue.length}");
{
DateTime now = getNow();
if (announcement.scheduledTime != null) {
int milisecondDifference = abs(now.millisecondsSinceEpoch - announcement.scheduledTime!.millisecondsSinceEpoch);
// print("Q Difference: ${milisecondDifference}");
if (milisecondDifference <= timerInterval) {
// Account for the time lost by the periodic timer
announcementQueue.remove(announcement);
await Future.delayed(Duration(milliseconds: timerInterval - milisecondDifference));
} else {
print("Due in: ${milisecondDifference}ms");
return;
}
}
}
isPlayingAnnouncement = true;
if (kIsWeb) {
await Future.delayed(Duration(milliseconds: 100));
}
print("Displaying announcement: ${announcement.displayText}");
announcementDelegate.trigger(announcement);
_currentAnnouncement = announcement.displayText;
lastAnnouncementTimeStamp = getNow();
if (announcement.audioSources.isNotEmpty) {
try {
for (AudioWrapperSource source in announcement.audioSources) {
Duration? duration = await audioPlayer.play(source);
await Future.delayed(duration!);
if (announcement.audioSources.last != source) {
await Future.delayed(Duration(milliseconds: 500));
}
}
audioPlayer.stop();
} catch (e) {
}
} else {
if (announcementQueue.isNotEmpty) {
await Future.delayed(Duration(seconds: 5));
}
}
if (announcementQueue.contains(announcement)) {
announcementQueue.remove(announcement);
}
isPlayingAnnouncement = false;
print("Popped announcement queue");
print("Queue length after: ${announcementQueue.length}");
}
}
}
Future<AnnouncementQueueEntry> _getDestinationAnnouncement(BusRouteVariant routeVariant, {bool sendToServer = false}) async {
String display = "${routeVariant.busRoute.routeNumber} to ${routeVariant.busStops.last.formattedStopName}";
String audio_route = "R_${routeVariant.busRoute.routeNumber}_001.mp3";
String audio_destination = routeVariant.busStops.last.getAudioFileName();
// Cache the audio files
await announcementCache.loadAnnouncements([audio_route, audio_destination]);
AudioWrapperSource source_route = AudioWrapperByteSource(announcementCache[audio_route]);
AudioWrapperSource source_destination = AudioWrapperByteSource(announcementCache[audio_destination]);
return AnnouncementQueueEntry(
sendToServer: sendToServer,
displayText: display,
audioSources: [source_route, AudioWrapperAssetSource("audio/to_destination.wav"), source_destination]
);
}
Future<AnnouncementQueueEntry> getDestinationAnnouncement(BusRouteVariant routeVariant, {bool sendToServer = true}) async {
return DestinationAnnouncementEntry(
routeVariant: routeVariant,
audioSources: [],
sendToServer: sendToServer,
);
}
late BusSequences busSequences;
BusRouteVariant? _currentRouteVariant;
EventDelegate<BusRouteVariant> routeVariantDelegate = EventDelegate();
Future<void> setRouteVariant(BusRouteVariant routeVariant) async {
_currentRouteVariant = routeVariant;
routeVariantDelegate.trigger(routeVariant);
// cache all of the stop announcements
List<String> audioFiles = [];
for (BusRouteStops stop in routeVariant.busStops) {
audioFiles.add(stop.getAudioFileName());
print("Cached stop audio: ${stop.getAudioFileName()}");
}
await announcementCache.loadAnnouncements(audioFiles);
}
BusRouteVariant? getRouteVariant() {
return _currentRouteVariant;
}
void queueAnnouncement(AnnouncementQueueEntry announcement) async {
// Make sure the timestamp of the announcement is after the last announcement
// If so, dont queue it
// If timestamp is null, then skip this check
if (announcement.timestamp != null && announcement.timestamp!.toUtc().isBefore(lastAnnouncementTimeStamp)) {
print("Announcement is too old");
print("LastAnnouncement: $lastAnnouncementTimeStamp");
print("Announcement: ${announcement.timestamp}");
int difference = announcement.timestamp!.difference(lastAnnouncementTimeStamp).inMilliseconds;
print("Difference: $difference");
return;
} else if (announcement.timestamp == null) {
print("Announcement `${announcement.displayText}` does not have timestamp");
}
// If there is an announcement in the queue with the same timestamp, dont queue it
if (announcementQueue.any((element) => element.timestamp == announcement.timestamp)) {
print("Announcement with same timestamp already in queue");
return;
}
if (!announcement.sendToServer) {
if (announcement is DestinationAnnouncementEntry) {
BusRouteVariant routeVariant = announcement.routeVariant;
if (getRouteVariant() != routeVariant) {
setRouteVariant(routeVariant);
}
announcementQueue.add(
await _getDestinationAnnouncement(
routeVariant,
sendToServer: false
)
);
print("Queued destination announcement: ${announcement.displayText}");
print("Audios: ${announcement.audioSources.length}");
return;
} else if (announcement is ManualAnnouncementEntry) {
List<AudioWrapperSource> audioSources = [];
for (String filename in announcement.audioFileNames) {
audioSources.add(AudioWrapperByteSource(announcementCache[filename]));
}
announcementQueue.add(
ManualAnnouncementEntry(
shortName: announcement.shortName,
informationText: announcement.displayText,
audioFileNames: announcement.audioFileNames,
audioSources: audioSources,
sendToServer: false,
)
);
print("Queued manual announcement: ${announcement.displayText} (no server)");
return;
}
announcementQueue.add(announcement);
print("Queued announcement: ${announcement.displayText} (no server)");
return;
}
final databases = appwrite.Databases(auth.client);
print("Queuing announcement: ${announcement.displayText} (server)");
print("Announcement type: ${announcement.runtimeType}");
if (announcement.runtimeType == InformationAnnouncementEntry) {
announcement as InformationAnnouncementEntry;
print("Queing to InformationAnnouncementEntry");
// 5 sedonds in the future
DateTime scheduledTime = (await getNow()).add(Duration(seconds: 1));
final document = databases.createDocument(
documentId: appwrite.ID.unique(),
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.INFORMATION_Q_COLLECTION_ID,
data: {
"ManualAnnouncementIndex": manualAnnouncements.indexOf(announcement),
"ScheduledTime": scheduledTime.toIso8601String(),
"SessionID": sessionID,
}
);
print("Queued manual announcement: ${announcement.shortName} (server)");
} else if (announcement.runtimeType == ManualAnnouncementEntry) {
announcement as ManualAnnouncementEntry;
print("Queing to ManualAnnouncementEntry");
// 5 sedonds in the future
DateTime scheduledTime = (await getNow()).add(Duration(seconds: 1));
final document = databases.createDocument(
documentId: appwrite.ID.unique(),
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.MANUAL_Q_COLLECTION_ID,
data: {
"DisplayText": announcement.displayText,
"AudioFileNames": announcement.audioFileNames,
"ScheduledTime": scheduledTime.toIso8601String(),
"SessionID": sessionID,
}
);
print("Queued manual announcement: ${announcement.shortName}");
} else if (announcement.runtimeType == DestinationAnnouncementEntry) {
announcement as DestinationAnnouncementEntry;
print("Queing to DestinationAnnouncementEntry");
// 5 sedonds in the future
DateTime scheduledTime = (getNow()).add(Duration(seconds: 2));
final document = databases.createDocument(
documentId: appwrite.ID.unique(),
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.DEST_Q_COLLECTION_ID,
data: {
"RouteNumber": announcement.routeVariant.busRoute.routeNumber,
"RouteVariantIndex": announcement.routeVariant.routeVariant,
"ScheduledTime": scheduledTime.toIso8601String(),
"SessionID": sessionID,
}
);
print("Queued manual announcement: ${announcement.shortName} (server)");
}
}
List<InformationAnnouncementEntry> manualAnnouncements = [
InformationAnnouncementEntry(
shortName: "Driver Change",
informationText: "Driver Change",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/driverchange.mp3")],
),
InformationAnnouncementEntry(
shortName: "No Standing Upr Deck",
informationText: "No standing on the upper deck",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/nostanding.mp3")],
),
InformationAnnouncementEntry(
shortName: "Face Covering",
informationText: "Please wear a face covering!",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/facecovering.mp3")],
),
InformationAnnouncementEntry(
shortName: "Seats Upstairs",
informationText: "Seats are available upstairs",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/seatsupstairs.mp3")],
),
InformationAnnouncementEntry(
shortName: "Bus Terminates Here",
informationText: "Bus terminates here. Please take your belongings with you",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/busterminateshere.mp3")],
),
InformationAnnouncementEntry(
shortName: "Bus On Diversion",
informationText: "Bus on diversion. Please listen for further announcements",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/busondiversion.mp3")],
),
InformationAnnouncementEntry(
shortName: "Destination Change",
informationText: "Destination Changed - please listen for further instructions",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/destinationchange.mp3")],
),
InformationAnnouncementEntry(
shortName: "Wheelchair Space",
informationText: "Wheelchair space requested",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/wheelchairspace1.mp3")],
),
InformationAnnouncementEntry(
shortName: "Move Down The Bus",
informationText: "Please move down the bus",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/movedownthebus.mp3")],
),
InformationAnnouncementEntry(
shortName: "Next Stop Closed",
informationText: "The next bus stop is closed",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/nextstopclosed.wav")],
),
InformationAnnouncementEntry(
shortName: "CCTV In Operation",
informationText: "CCTV is in operation on this bus",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/cctvoperation.mp3")],
),
InformationAnnouncementEntry(
shortName: "Safe Door Opening",
informationText: "Driver will open the doors when it is safe to do so",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/safedooropening.mp3")],
),
InformationAnnouncementEntry(
shortName: "Buggy Safety",
informationText: "For your child's safety, please remain with your buggy",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/buggysafety.mp3")],
),
InformationAnnouncementEntry(
shortName: "Wheelchair Space 2",
informationText: "Wheelchair priority space required",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/wheelchairspace2.mp3")],
),
InformationAnnouncementEntry(
shortName: "Service Regulation",
informationText: "Regulating service - please listen for further information",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/serviceregulation.mp3")],
),
InformationAnnouncementEntry(
shortName: "Bus Ready To Depart",
informationText: "This bus is ready to depart",
audioSources: [AudioWrapperAssetSource("audio/manual_announcements/readytodepart.mp3")],
),
];
AuthAPI auth = AuthAPI();
String sessionID = "65de648aa7f44684ecce";
void updateServer() async {
final databases = appwrite.Databases(auth.client);
// final document = databases.updateDocument(
// databaseId: ApiConstants.INFO_DATABASE_ID,
// collectionId: ApiConstants.INFO_COLLECTION_ID,
// documentId: documentID,
// data: {
// "Display": _currentAnnouncement,
// }
// );
print("Updated server with announcement: $_currentAnnouncement");
}
void pullServer() async {
if (auth.status == AuthStatus.UNAUTHENTICATED) {
return;
}
final databases = appwrite.Databases(auth.client);
// final document = await databases.getDocument(
// databaseId: ApiConstants.INFO_DATABASE_ID,
// collectionId: ApiConstants.INFO_COLLECTION_ID,
// documentId: documentID,
// );
// queueAnnouncement(AnnouncementQueueEntry(
// displayText: document.data['Display'],
// audioSources: [],
// sendToServer: false, // Don't send this back to the server, else we'll get an infinite loop
// ));
// print("Pulled announcement from server: ${document.data['Display']}");
}
bool purgeRunning = false;
Future<void> deleteAllManualQueueEntries() async {
if (purgeRunning) {
return;
}
purgeRunning = true;
final databases = appwrite.Databases(auth.client);
int offset = 0;
const int limit = 25; // Maximum number of documents that can be fetched at once
while (true) {
// Fetch a page of documents from the manual queue collection
print("Deleting manual queue entries");
final manual_q = await databases.listDocuments(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.MANUAL_Q_COLLECTION_ID,
queries: [
appwrite.Query.search("SessionID", sessionID),
appwrite.Query.limit(limit),
appwrite.Query.offset(offset),
appwrite.Query.orderDesc('\$createdAt')
]
);
// If there are no documents in the fetched page, break the loop
if (manual_q.documents.isEmpty) {
break;
}
// Delete each document in the fetched page
for (models.Document doc in manual_q.documents) {
await databases.deleteDocument(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.MANUAL_Q_COLLECTION_ID,
documentId: doc.$id,
);
}
// Go to the next page
offset += limit;
}
print("Deleted all manual queue entries");
}
void pullQueue() async {
if (auth.status == AuthStatus.UNAUTHENTICATED) {
return;
}
List<AnnouncementQueueEntry> queue = [];
final databases = appwrite.Databases(auth.client);
// Pull the information queue
{
final manual_q = await databases.listDocuments(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.INFORMATION_Q_COLLECTION_ID,
queries: [
appwrite.Query.search("SessionID", sessionID),
appwrite.Query.limit(25),
appwrite.Query.offset(0),
appwrite.Query.orderDesc('\$createdAt')
]
);
for (models.Document doc in manual_q.documents) {
int index = doc.data['ManualAnnouncementIndex'];
InformationAnnouncementEntry announcement_clone =
InformationAnnouncementEntry(
shortName: manualAnnouncements[index].shortName,
informationText: manualAnnouncements[index].displayText,
audioSources: manualAnnouncements[index].audioSources,
scheduledTime: doc.data["ScheduledTime"] != null
? DateTime.parse(doc.data["ScheduledTime"])
: null,
timestamp: DateTime.parse(doc.$createdAt),
sendToServer: false,
);
// sort the queue by timestamp, so the oldest announcements are at the front
queue.add(announcement_clone);
}
}
// pull the destination queue
{
final dest_q = await databases.listDocuments(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.DEST_Q_COLLECTION_ID,
queries: [
appwrite.Query.search("SessionID", sessionID),
appwrite.Query.limit(25),
appwrite.Query.offset(0),
appwrite.Query.orderDesc('\$createdAt')
]
);
for (models.Document doc in dest_q.documents) {
BusRoute? route = busSequences.routes[doc.data["RouteNumber"]];
BusRouteVariant? routeVariant = route!.routeVariants[doc.data["RouteVariantIndex"]];
DestinationAnnouncementEntry announcement_clone =
DestinationAnnouncementEntry(
routeVariant: routeVariant!,
scheduledTime: doc.data["ScheduledTime"] != null
? DateTime.parse(doc.data["ScheduledTime"])
: null,
timestamp: DateTime.parse(doc.$createdAt),
sendToServer: false,
audioSources: [],
);
// sort the queue by timestamp, so the oldest announcements are at the front
queue.add(announcement_clone);
}
}
// Pull the manual queue
{
final manual_q = await databases.listDocuments(
databaseId: ApiConstants.INFO_Q_DATABASE_ID,
collectionId: ApiConstants.MANUAL_Q_COLLECTION_ID,
queries: [
appwrite.Query.search("SessionID", sessionID),
appwrite.Query.limit(25),
appwrite.Query.offset(0),
appwrite.Query.orderDesc('\$createdAt')
]
);
for (models.Document doc in manual_q.documents) {
List<String> audioFileNames = doc.data["AudioFileNames"].cast<String>();
ManualAnnouncementEntry announcement_clone =
ManualAnnouncementEntry(
sendToServer: false,
shortName: "",
informationText: doc.data["DisplayText"],
audioFileNames: audioFileNames,
scheduledTime: doc.data["ScheduledTime"] != null
? DateTime.parse(doc.data["ScheduledTime"])
: null,
);
// sort the queue by timestamp, so the oldest announcements are at the front
queue.add(announcement_clone);
}
}
for (AnnouncementQueueEntry entry in queue) {
// Dont queue announcements that are older than now
if (entry.scheduledTime != null && entry.scheduledTime!.isBefore(await getNow())) {
continue;
}
queueAnnouncement(entry);
}
}
appwrite.RealtimeSubscription? information_q_subscription;
appwrite.RealtimeSubscription? manual_q_subscription;
appwrite.RealtimeSubscription? destination_q_subscription;
Future<void> setupRealtime() async {
if (information_q_subscription != null) {
return;
}
// await deleteAllManualQueueEntries(); //todo
print("Setting up realtime");
// Websocket
appwrite.Realtime realtime = appwrite.Realtime(auth.client);
information_q_subscription = realtime.subscribe(
['databases.${ApiConstants.INFO_Q_DATABASE_ID}.collections.${ApiConstants.INFORMATION_Q_COLLECTION_ID}.documents'],
);
information_q_subscription?.stream.listen((event) {
print("Manual queue entry added");
pullQueue();
});
manual_q_subscription = realtime.subscribe(
['databases.${ApiConstants.INFO_Q_DATABASE_ID}.collections.${ApiConstants.MANUAL_Q_COLLECTION_ID}.documents'],
);
manual_q_subscription?.stream.listen((event) {
print("Manual queue entry added");
pullQueue();
});
destination_q_subscription = realtime.subscribe(
['databases.${ApiConstants.INFO_Q_DATABASE_ID}.collections.${ApiConstants.DEST_Q_COLLECTION_ID}.documents'],
);
destination_q_subscription?.stream.listen((event) {
print("Destination queue entry added");
pullQueue();
});
print("Subscribed to servers");
await Future.delayed(Duration(seconds: 90));
information_q_subscription?.close();
information_q_subscription = null;
manual_q_subscription?.close();
manual_q_subscription = null;
destination_q_subscription?.close();
destination_q_subscription = null;
print("Restarting realtime");
setupRealtime();
}
}
class AnnouncementQueueEntry {
final String displayText;
final List<AudioWrapperSource> audioSources;
bool sendToServer = true;
DateTime? scheduledTime;
DateTime? timestamp;
AnnouncementQueueEntry({required this.displayText, required this.audioSources, this.sendToServer = true, this.scheduledTime, this.timestamp});
}
class NamedAnnouncementQueueEntry extends AnnouncementQueueEntry {
final String shortName;
NamedAnnouncementQueueEntry({
required this.shortName,
required String displayText,
required List<AudioWrapperSource> audioSources,
DateTime? scheduledTime,
DateTime? timestamp,
bool sendToServer = true,
}) : super(
displayText: displayText,
audioSources: audioSources,
sendToServer: sendToServer,
scheduledTime: scheduledTime,
timestamp: timestamp,
);
}
class ManualAnnouncementEntry extends NamedAnnouncementQueueEntry {
final List<String> audioFileNames;
ManualAnnouncementEntry({
required String shortName,
required String informationText,
required this.audioFileNames,
List<AudioWrapperSource> audioSources = const [],
DateTime? scheduledTime,
DateTime? timestamp,
bool sendToServer = true,
}) : super(
shortName: shortName,
displayText: informationText,
audioSources: audioSources,
sendToServer: sendToServer,
scheduledTime: scheduledTime,
timestamp: timestamp,
);
}
class InformationAnnouncementEntry extends NamedAnnouncementQueueEntry {
InformationAnnouncementEntry({
required String shortName,
required String informationText,
required List<AudioWrapperSource> audioSources,
DateTime? scheduledTime,
DateTime? timestamp,
bool sendToServer = true,
}) : super(
shortName: shortName,
displayText: informationText,
audioSources: audioSources,
sendToServer: sendToServer,
scheduledTime: scheduledTime,
timestamp: timestamp,
);
}
class DestinationAnnouncementEntry extends NamedAnnouncementQueueEntry {
final BusRouteVariant routeVariant;
DestinationAnnouncementEntry({
required this.routeVariant,
required List<AudioWrapperSource> audioSources,
DateTime? scheduledTime,
DateTime? timestamp,
bool sendToServer = true,
}) : super(
shortName: "Destination",
displayText: "${routeVariant.busRoute.routeNumber} to ${routeVariant.busStops.last.formattedStopName}",
audioSources: audioSources,
sendToServer: sendToServer,
scheduledTime: scheduledTime,
timestamp: timestamp,
);
}
var abs = (int value) => value < 0 ? -value : value;

View File

@@ -3,24 +3,64 @@
import 'dart:typed_data';
import 'package:bus_infotainment/audio_cache.dart';
import 'package:bus_infotainment/backend/live_information.dart';
import 'package:bus_infotainment/backend/modules/info_module.dart';
import 'package:bus_infotainment/utils/NameBeautify.dart';
import 'package:bus_infotainment/utils/OrdinanceSurveyUtils.dart';
import 'package:csv/csv.dart';
import 'package:vector_math/vector_math.dart';
class BusSequences {
class BusSequences extends InfoModule {
Map<String, BusRoute> routes = {};
BusSequences.fromCSV(String csv) {
Map<String, BusDestination> destinations = {};
List<List<dynamic>> rowsAsListOfValues = const CsvToListConverter().convert(csv);
BusSequences.fromCSV(String destinationsCSV, String busSequencesCSV) {
rowsAsListOfValues.removeAt(0);
for (int i = 0; i < rowsAsListOfValues.length; i++) {
// Init the bus destinations
List<List<dynamic>> destinationRows = const CsvToListConverter().convert(destinationsCSV);
destinationRows.removeAt(0);
for (int i = 0; i < destinationRows.length; i++) {
try {
List<dynamic> entries = rowsAsListOfValues[i];
List<dynamic> entries = destinationRows[i];
String routeNumber = entries[0].toString();
BusRoute route = routes.containsKey(routeNumber) ? routes[routeNumber]! : BusRoute(routeNumber: routeNumber);
String blind = entries[1].toString();
double lat = double.parse(entries[2].toString());
double long = double.parse(entries[3].toString());
Vector2 grid = OSGrid.toNorthingEasting(lat, long);
BusDestination destination = BusDestination();
destination.destination = blind;
destination.easting = grid.x;
destination.northing = grid.y;
route.destinations.add(destination);
routes[routeNumber] = route;
destinations[blind] = destination;
} catch (e) {}
}
// Init the bus routes
List<List<dynamic>> busSequenceRows = const CsvToListConverter().convert(busSequencesCSV);
busSequenceRows.removeAt(0);
for (int i = 0; i < busSequenceRows.length; i++) {
try
{
List<dynamic> entries = busSequenceRows[i];
String routeNumber = entries[0].toString();
@@ -28,25 +68,28 @@ class BusSequences {
int routeVariant = entries[1];
BusRouteVariant variant = route.routeVariants.containsKey(routeVariant) ? route.routeVariants[routeVariant]! : BusRouteVariant(routeVariant: routeVariant, busRoute: route);
BusRouteStops stop = BusRouteStops();
BusRouteStop stop = BusRouteStop();
stop.stopName = entries[6].toString();
stop.stopCode = entries[4].toString();
stop.easting = entries[7];
stop.northing = entries[8];
stop.heading = entries[9] != "" ? entries[9] : -1;
BusRouteVariant variant = route.routeVariants.containsKey(routeVariant) ? route.routeVariants[routeVariant]! : BusRouteVariant(routeVariant: routeVariant, busRoute: route);
variant.busStops.add(stop);
route.routeVariants[routeVariant] = variant;
routes[routeNumber] = route;
} catch (e) {
// print("Error parsing bus sequence: $e");
}
catch (e) {
print("Error parsing bus sequence: $e");
}
}
}
}
@@ -55,6 +98,8 @@ class BusRoute {
String routeNumber = "";
List<BusDestination> destinations = [];
AnnouncementCache? announcementCache;
Map<int, BusRouteVariant> routeVariants = {};
@@ -70,7 +115,7 @@ class BusRouteVariant {
int routeVariant = -1;
List<BusRouteStops> busStops = [];
List<BusRouteStop> busStops = [];
late BusRoute busRoute;
@@ -78,14 +123,66 @@ class BusRouteVariant {
this.routeVariant = -1,
required this.busRoute,
});
BusDestination? _destination;
BusDestination? get destination {
if (_destination == null) {
// Get the nearest destination
BusDestination? nearestDestinationA;
double nearestDistanceA = double.infinity;
Vector2 stopLocation = Vector2(busStops.last.northing.toDouble(), busStops.last.easting.toDouble());
for (BusDestination destination in busRoute.destinations) {
Vector2 destinationLocation = Vector2(destination.northing.toDouble(), destination.easting.toDouble());
double distance = stopLocation.distanceTo(destinationLocation);
if (distance < nearestDistanceA) {
nearestDestinationA = destination;
nearestDistanceA = distance;
}
}
// get the nearest destination from global pool of destinations
BusDestination? nearestDestinationB;
double nearestDistanceB = double.infinity;
for (BusDestination destination in LiveInformation().busSequences.destinations.values) {
Vector2 destinationLocation = Vector2(destination.northing.toDouble(), destination.easting.toDouble());
double distance = stopLocation.distanceTo(destinationLocation);
if (distance < nearestDistanceB) {
nearestDestinationB = destination;
nearestDistanceB = distance;
}
}
// Choose the nearest destination
if (nearestDistanceA < nearestDistanceB) {
_destination = nearestDestinationA;
} else {
_destination = nearestDestinationB;
}
}
return _destination;
}
}
class BusRouteStops {
class BusRouteStop {
String stopName = "";
int easting = -1;
int northing = -1;
int heading = -1;
String stopCode = "";
@@ -122,4 +219,60 @@ class BusRouteStops {
}
}
class BusDestination {
String destination = "";
double easting = -1;
double northing = -1;
Future<Uint8List> getAudioBytes() async {
// Convert the stop name to all caps
String name = destination.toUpperCase();
name = NameBeautify.beautifyStopName(name);
// replace & with N
name = name.replaceAll('&', 'N');
name = name.replaceAll('/', '');
name = name.replaceAll('\'', '');
name = name.replaceAll(' ', ' ');
// Replace space with underscore
name = name.replaceAll(' ', '_');
// convert to all caps
name = name.toUpperCase();
String audioNameA = "D_${name}_001.mp3";
String audioNameB = "S_${name}_001.mp3";
String audioNameC = "A_${name}_001.mp3";
print("Audio name A: $audioNameA");
print("Audio name B: $audioNameB");
print("Audio name C: $audioNameC");
await LiveInformation().announcementModule.announcementCache.loadAnnouncements([audioNameA, audioNameB, audioNameC]);
Uint8List? audioBytesA = LiveInformation().announcementModule.announcementCache[audioNameA];
Uint8List? audioBytesB = LiveInformation().announcementModule.announcementCache[audioNameB];
Uint8List? audioBytesC = LiveInformation().announcementModule.announcementCache[audioNameC];
if (audioBytesA != null) return audioBytesA;
if (audioBytesB != null) return audioBytesB;
if (audioBytesC != null) return audioBytesC;
print("No audio bytes found for $name");
return Uint8List(0);
}
}

View File

@@ -0,0 +1,35 @@
import 'dart:math' as math;
import 'package:proj4dart/proj4dart.dart' as proj4;
import 'package:vector_math/vector_math.dart';
class OSGrid {
static List<double> toLatLong(double northing, double easting) {
final sourceProjection = proj4.Projection.parse('+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 '
'+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 +units=m +no_defs'); // British National Grid
final destinationProjection = proj4.Projection.WGS84;// WGS84
final point = proj4.Point(x: easting, y: northing);
final transformedPoint = sourceProjection.transform(destinationProjection, point);
return [transformedPoint.y, transformedPoint.x];
}
static Vector2 toNorthingEasting(double latitude, double longitude) {
final sourceProjection = proj4.Projection.WGS84;// WGS84
final destinationProjection = proj4.Projection.parse('+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 '
'+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 +units=m +no_defs'); // British National Grid
final point = proj4.Point(x: longitude, y: latitude);
final transformedPoint = sourceProjection.transform(destinationProjection, point);
return Vector2(transformedPoint.x, transformedPoint.y);
}
}

View File

@@ -3,6 +3,11 @@ import 'package:audioplayers/audioplayers.dart' as audioplayers;
import 'package:flutter/foundation.dart';
import 'package:just_audio/just_audio.dart' as justaudio;
enum AudioWrapper_Mode {
Web,
Mobile
}
enum AudioWrapper_State {
Playing,
NotPlaying
@@ -13,6 +18,16 @@ class AudioWrapper {
audioplayers.AudioPlayer _audioPlayer_AudioPlayer = audioplayers.AudioPlayer();
justaudio.AudioPlayer _justAudio_AudioPlayer = justaudio.AudioPlayer();
AudioWrapper_Mode mode = kIsWeb ? AudioWrapper_Mode.Web : AudioWrapper_Mode.Mobile;
AudioWrapper() {
// mode = AudioWrapper_Mode.Web;
print("AudioWrapper mode: $mode");
// mode = AudioWrapper_Mode.Mobile;
}
justaudio.AudioSource _convertSource_JustAudio(AudioWrapperSource source){
if (source is AudioWrapperByteSource){
return _ByteSource(source.bytes);
@@ -33,45 +48,94 @@ class AudioWrapper {
}
}
Future<Duration?> play(AudioWrapperSource source) async {
Duration? duration;
if (kIsWeb) {
Future<void> loadSource(AudioWrapperSource source) async {
if (mode == AudioWrapper_Mode.Web) {
// Use just_audio
justaudio.AudioSource audioSource = _convertSource_JustAudio(source);
duration = await _justAudio_AudioPlayer.setAudioSource(audioSource);
await _justAudio_AudioPlayer.setAudioSource(audioSource);
_justAudio_AudioPlayer.play();
} else {
} else if (mode == AudioWrapper_Mode.Mobile) {
// Use audioplayers
audioplayers.Source audioSource = _convertSource_AudioPlayers(source);
await _audioPlayer_AudioPlayer.play(audioSource);
await _audioPlayer_AudioPlayer.setSource(audioSource);
// await _audioPlayer_AudioPlayer.play(audioSource);
}
}
Future<Duration?> getDuration() async {
if (mode == AudioWrapper_Mode.Web) {
return _justAudio_AudioPlayer.duration;
} else if (mode == AudioWrapper_Mode.Mobile) {
return await _audioPlayer_AudioPlayer.getDuration();
}
}
Future<Duration?> play() async {
Duration? duration;
if (mode == AudioWrapper_Mode.Web) {
_justAudio_AudioPlayer.play();
duration = _justAudio_AudioPlayer.duration;
} else if (mode == AudioWrapper_Mode.Mobile) {
_audioPlayer_AudioPlayer.resume();
duration = await _audioPlayer_AudioPlayer.getDuration();
}
return duration;
}
// Future<Duration?> play(AudioWrapperSource source) async {
//
// Duration? duration;
//
// if (mode == AudioWrapper_Mode.Web) {
// // Use just_audio
//
// justaudio.AudioSource audioSource = _convertSource_JustAudio(source);
//
// duration = await _justAudio_AudioPlayer.setAudioSource(audioSource);
//
// _justAudio_AudioPlayer.play();
//
//
// } else if (mode == AudioWrapper_Mode.Mobile) {
// // Use audioplayers
//
// audioplayers.Source audioSource = _convertSource_AudioPlayers(source);
//
// await _audioPlayer_AudioPlayer.play(audioSource);
//
// duration = await _audioPlayer_AudioPlayer.getDuration();
// }
//
//
//
// return duration;
// }
void stop(){
if (kIsWeb) {
if (mode == AudioWrapper_Mode.Web) {
_justAudio_AudioPlayer.stop();
} else {
try {
_justAudio_AudioPlayer.dispose();
} catch (e) {}
_justAudio_AudioPlayer = justaudio.AudioPlayer();
} else if (mode == AudioWrapper_Mode.Mobile) {
_audioPlayer_AudioPlayer.stop();
try {
_audioPlayer_AudioPlayer.dispose();
} catch (e) {}
_audioPlayer_AudioPlayer = audioplayers.AudioPlayer();
}
}
AudioWrapper_State get state {
if (kIsWeb) {
if (mode == AudioWrapper_Mode.Web) {
if (_justAudio_AudioPlayer.playing){
return AudioWrapper_State.Playing;
} else {

View File

@@ -11,7 +11,7 @@ class ListenerReceipt<T> {
}
class EventDelegate<T> {
final List<ListenerReceipt<T>> _receipts = [];
final List<ListenerReceipt<T>> _receipts = [];
ListenerReceipt<T> addListener(Function(T) listener) {
final receipt = ListenerReceipt(listener);
@@ -26,14 +26,16 @@ class EventDelegate<T> {
void trigger(T event) {
print("triggering event");
for (var receipt in _receipts) {
print("triggering listener");
try {
receipt.listener(event);
} catch (e) {
print("Error in listener: $e");
removeListener(receipt);
try {
for (var receipt in _receipts) {
print("triggering listener");
try {
receipt.listener(event);
} catch (e) {
}
}
} catch (e) {
print("Error in trigger: $e");
}
}
}

View File

@@ -7,16 +7,24 @@
#include "generated_plugin_registrant.h"
#include <audioplayers_linux/audioplayers_linux_plugin.h>
#include <screen_retriever/screen_retriever_plugin.h>
#include <url_launcher_linux/url_launcher_plugin.h>
#include <window_manager/window_manager_plugin.h>
#include <window_to_front/window_to_front_plugin.h>
void fl_register_plugins(FlPluginRegistry* registry) {
g_autoptr(FlPluginRegistrar) audioplayers_linux_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "AudioplayersLinuxPlugin");
audioplayers_linux_plugin_register_with_registrar(audioplayers_linux_registrar);
g_autoptr(FlPluginRegistrar) screen_retriever_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverPlugin");
screen_retriever_plugin_register_with_registrar(screen_retriever_registrar);
g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
g_autoptr(FlPluginRegistrar) window_manager_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin");
window_manager_plugin_register_with_registrar(window_manager_registrar);
g_autoptr(FlPluginRegistrar) window_to_front_registrar =
fl_plugin_registry_get_registrar_for_plugin(registry, "WindowToFrontPlugin");
window_to_front_plugin_register_with_registrar(window_to_front_registrar);

View File

@@ -4,7 +4,9 @@
list(APPEND FLUTTER_PLUGIN_LIST
audioplayers_linux
screen_retriever
url_launcher_linux
window_manager
window_to_front
)

View File

@@ -9,11 +9,14 @@ import audio_session
import audioplayers_darwin
import device_info_plus
import flutter_web_auth_2
import geolocator_apple
import just_audio
import package_info_plus
import path_provider_foundation
import screen_retriever
import shared_preferences_foundation
import url_launcher_macos
import window_manager
import window_to_front
func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
@@ -21,10 +24,13 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
AudioplayersDarwinPlugin.register(with: registry.registrar(forPlugin: "AudioplayersDarwinPlugin"))
DeviceInfoPlusMacosPlugin.register(with: registry.registrar(forPlugin: "DeviceInfoPlusMacosPlugin"))
FlutterWebAuth2Plugin.register(with: registry.registrar(forPlugin: "FlutterWebAuth2Plugin"))
GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
ScreenRetrieverPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverPlugin"))
SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin"))
WindowToFrontPlugin.register(with: registry.registrar(forPlugin: "WindowToFrontPlugin"))
}

View File

@@ -272,6 +272,54 @@ packages:
description: flutter
source: sdk
version: "0.0.0"
geolocator:
dependency: "direct main"
description:
name: geolocator
sha256: "694ec58afe97787b5b72b8a0ab78c1a9244811c3c10e72c4362ef3c0ceb005cd"
url: "https://pub.dev"
source: hosted
version: "11.0.0"
geolocator_android:
dependency: transitive
description:
name: geolocator_android
sha256: "136f1c97e1903366393bda514c5d9e98843418baea52899aa45edae9af8a5cd6"
url: "https://pub.dev"
source: hosted
version: "4.5.2"
geolocator_apple:
dependency: transitive
description:
name: geolocator_apple
sha256: "2f2d4ee16c4df269e93c0e382be075cc01d5db6703c3196e4af20a634fe49ef4"
url: "https://pub.dev"
source: hosted
version: "2.3.6"
geolocator_platform_interface:
dependency: transitive
description:
name: geolocator_platform_interface
sha256: "009a21c4bc2761e58dccf07c24f219adaebe0ff707abdfd40b0a763d4003fab9"
url: "https://pub.dev"
source: hosted
version: "4.2.2"
geolocator_web:
dependency: transitive
description:
name: geolocator_web
sha256: "49d8f846ebeb5e2b6641fe477a7e97e5dd73f03cbfef3fd5c42177b7300fb0ed"
url: "https://pub.dev"
source: hosted
version: "3.0.0"
geolocator_windows:
dependency: transitive
description:
name: geolocator_windows
sha256: a92fae29779d5c6dc60e8411302f5221ade464968fe80a36d330e80a71f087af
url: "https://pub.dev"
source: hosted
version: "0.2.2"
google_fonts:
dependency: "direct main"
description:
@@ -496,6 +544,54 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.2.1"
permission_handler:
dependency: "direct main"
description:
name: permission_handler
sha256: "74e962b7fad7ff75959161bb2c0ad8fe7f2568ee82621c9c2660b751146bfe44"
url: "https://pub.dev"
source: hosted
version: "11.3.0"
permission_handler_android:
dependency: transitive
description:
name: permission_handler_android
sha256: "1acac6bae58144b442f11e66621c062aead9c99841093c38f5bcdcc24c1c3474"
url: "https://pub.dev"
source: hosted
version: "12.0.5"
permission_handler_apple:
dependency: transitive
description:
name: permission_handler_apple
sha256: bdafc6db74253abb63907f4e357302e6bb786ab41465e8635f362ee71fd8707b
url: "https://pub.dev"
source: hosted
version: "9.4.0"
permission_handler_html:
dependency: transitive
description:
name: permission_handler_html
sha256: "54bf176b90f6eddd4ece307e2c06cf977fb3973719c35a93b85cc7093eb6070d"
url: "https://pub.dev"
source: hosted
version: "0.1.1"
permission_handler_platform_interface:
dependency: transitive
description:
name: permission_handler_platform_interface
sha256: "23dfba8447c076ab5be3dee9ceb66aad345c4a648f0cac292c77b1eb0e800b78"
url: "https://pub.dev"
source: hosted
version: "4.2.0"
permission_handler_windows:
dependency: transitive
description:
name: permission_handler_windows
sha256: "1a790728016f79a41216d88672dbc5df30e686e811ad4e698bfc51f76ad91f1e"
url: "https://pub.dev"
source: hosted
version: "0.2.1"
platform:
dependency: transitive
description:
@@ -544,6 +640,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "0.27.7"
screen_retriever:
dependency: transitive
description:
name: screen_retriever
sha256: "6ee02c8a1158e6dae7ca430da79436e3b1c9563c8cf02f524af997c201ac2b90"
url: "https://pub.dev"
source: hosted
version: "0.1.9"
shared_preferences:
dependency: "direct main"
description:
@@ -774,7 +878,7 @@ packages:
source: hosted
version: "3.1.1"
uuid:
dependency: transitive
dependency: "direct main"
description:
name: uuid
sha256: cd210a09f7c18cbe5a02511718e0334de6559871052c90a90c0cca46a4aa81c8
@@ -782,7 +886,7 @@ packages:
source: hosted
version: "4.3.3"
vector_math:
dependency: transitive
dependency: "direct main"
description:
name: vector_math
sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
@@ -821,6 +925,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "1.1.2"
window_manager:
dependency: "direct main"
description:
name: window_manager
sha256: b3c895bdf936c77b83c5254bec2e6b3f066710c1f89c38b20b8acc382b525494
url: "https://pub.dev"
source: hosted
version: "0.3.8"
window_to_front:
dependency: transitive
description:

View File

@@ -44,6 +44,12 @@ dependencies:
shared_preferences: ^2.2.2
url_launcher: ^6.2.2
ntp: ^2.0.0
uuid: ^4.3.3
window_manager: ^0.3.8
geolocator: ^11.0.0
vector_math: ^2.1.4
permission_handler: ^11.3.0
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
@@ -78,6 +84,7 @@ flutter:
- assets/fonts/ibus/london-buses-ibus.ttf
- assets/audio/manual_announcements/
- assets/audio/to_destination.wav
- assets/datasets/bus-blinds.csv
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg

View File

@@ -7,17 +7,29 @@
#include "generated_plugin_registrant.h"
#include <audioplayers_windows/audioplayers_windows_plugin.h>
#include <geolocator_windows/geolocator_windows.h>
#include <just_audio_windows/just_audio_windows_plugin.h>
#include <permission_handler_windows/permission_handler_windows_plugin.h>
#include <screen_retriever/screen_retriever_plugin.h>
#include <url_launcher_windows/url_launcher_windows.h>
#include <window_manager/window_manager_plugin.h>
#include <window_to_front/window_to_front_plugin.h>
void RegisterPlugins(flutter::PluginRegistry* registry) {
AudioplayersWindowsPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("AudioplayersWindowsPlugin"));
GeolocatorWindowsRegisterWithRegistrar(
registry->GetRegistrarForPlugin("GeolocatorWindows"));
JustAudioWindowsPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("JustAudioWindowsPlugin"));
PermissionHandlerWindowsPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
ScreenRetrieverPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("ScreenRetrieverPlugin"));
UrlLauncherWindowsRegisterWithRegistrar(
registry->GetRegistrarForPlugin("UrlLauncherWindows"));
WindowManagerPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("WindowManagerPlugin"));
WindowToFrontPluginRegisterWithRegistrar(
registry->GetRegistrarForPlugin("WindowToFrontPlugin"));
}

View File

@@ -4,8 +4,12 @@
list(APPEND FLUTTER_PLUGIN_LIST
audioplayers_windows
geolocator_windows
just_audio_windows
permission_handler_windows
screen_retriever
url_launcher_windows
window_manager
window_to_front
)