Adaptive Positionsmeldung nach Bewegungszustand
- TrackState-Zustände (no_fix/static/moving_slow/moving_medium/moving_fast) mit je eigenem Meldeintervall mit/ohne Auftrag (lib/tools/track_state.dart) - Festes Sampling (15s) statt fixem 120s-Timer; Sofortmeldung bei Zustandswechsel, sonst nach Zustandsintervall (mqtt_core.dart) - track-JSON um state (String) und speed (m/s) erweitert - Statisch-Erkennung über GPS-Genauigkeit, aktiver Auftrag = akzeptiert und <=15min vor ordertime - chat_message.dart: Direktimport von objectbox.dart ergaenzt, behebt build_runner-Aufloesungsfehler (ChatMessage-Entity) - Release-Build-Script (build_release_apk.sh) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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+53
@@ -0,0 +1,53 @@
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#!/usr/bin/env bash
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#
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# Erstellt eine Release-APK und benennt sie nach der Versionsnummer aus der
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# pubspec.yaml, z. B. version: 353.0.0+353 -> a353.apk
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#
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set -euo pipefail
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# In das Verzeichnis des Scripts wechseln (Projekt-Root)
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR"
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PUBSPEC="pubspec.yaml"
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if [[ ! -f "$PUBSPEC" ]]; then
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echo "Fehler: $PUBSPEC nicht gefunden." >&2
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exit 1
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fi
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# Version aus pubspec.yaml lesen (z. B. "353.0.0+353")
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VERSION_LINE="$(grep -E '^version:' "$PUBSPEC" | head -n1)"
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FULL_VERSION="$(echo "$VERSION_LINE" | sed -E 's/^version:[[:space:]]*//')"
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# Major-Versionsnummer extrahieren (alles vor dem ersten Punkt)
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MAJOR="${FULL_VERSION%%.*}"
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if [[ -z "$MAJOR" ]]; then
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echo "Fehler: Konnte Versionsnummer nicht aus '$VERSION_LINE' ermitteln." >&2
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exit 1
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fi
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APK_NAME="a${MAJOR}.apk"
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echo "Version aus pubspec.yaml: $FULL_VERSION"
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echo "Ziel-APK-Name: $APK_NAME"
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echo
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# Release-APK bauen
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flutter build apk --release
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# Pfad zur erzeugten APK
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BUILT_APK="build/app/outputs/flutter-apk/app-release.apk"
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if [[ ! -f "$BUILT_APK" ]]; then
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echo "Fehler: Erwartete APK nicht gefunden: $BUILT_APK" >&2
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exit 1
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fi
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# Ausgabeverzeichnis
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OUTPUT_DIR="build/releases"
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mkdir -p "$OUTPUT_DIR"
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cp "$BUILT_APK" "$OUTPUT_DIR/$APK_NAME"
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echo
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echo "Fertig: $OUTPUT_DIR/$APK_NAME"
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@@ -1,3 +1,8 @@
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// Direktimport nötig, damit build_runner die @Entity-Annotation auflösen kann,
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// ohne auf die gerade erst generierte objectbox.g.dart angewiesen zu sein
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// (zirkuläre Auflösung). Nicht entfernen, auch wenn der Lint ihn als unnötig meldet.
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// ignore: unnecessary_import
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import 'package:objectbox/objectbox.dart';
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import 'package:stadtbote/main.dart';
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import 'package:stadtbote/objectbox.g.dart';
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import 'package:stadtbote/tools/util.dart';
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@@ -12,6 +12,12 @@ class TrackPosition {
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late int acc;
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/// Bewegungszustand der Ortung (String-Label, z. B. "static", "moving_medium").
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late String state;
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/// Geschwindigkeit in m/s.
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late double speed;
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TrackPosition();
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factory TrackPosition.fromJson(Map<String, dynamic> json) => _$TrackPositionFromJson(json);
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@@ -11,7 +11,9 @@ TrackPosition _$TrackPositionFromJson(Map<String, dynamic> json) =>
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..time = (json['time'] as num).toInt()
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..lat = (json['lat'] as num).toDouble()
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..long = (json['long'] as num).toDouble()
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..acc = (json['acc'] as num).toInt();
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..acc = (json['acc'] as num).toInt()
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..state = json['state'] as String
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..speed = (json['speed'] as num).toDouble();
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Map<String, dynamic> _$TrackPositionToJson(TrackPosition instance) =>
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<String, dynamic>{
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@@ -19,4 +21,6 @@ Map<String, dynamic> _$TrackPositionToJson(TrackPosition instance) =>
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'lat': instance.lat,
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'long': instance.long,
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'acc': instance.acc,
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'state': instance.state,
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'speed': instance.speed,
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};
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+120
-17
@@ -6,6 +6,7 @@ import 'dart:math';
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import 'package:archive/archive.dart';
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import 'package:dart_mq/dart_mq.dart';
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import 'package:device_info_plus/device_info_plus.dart';
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import 'package:geolocator/geolocator.dart';
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import 'package:http/http.dart' as http;
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import 'package:mqtt5_client/mqtt5_client.dart';
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import 'package:mqtt5_client/mqtt5_server_client.dart';
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@@ -52,6 +53,7 @@ import '../main.dart';
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import '../model/session_status.dart';
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import 'constants.dart';
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import 'messages/bwv_message.dart';
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import 'track_state.dart';
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import 'util.dart';
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enum ConnectionStateEnum { notConnected, connected }
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@@ -77,6 +79,15 @@ class MqttCore with ProducerMixin, ConsumerMixin {
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Timer? _trackTimer;
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/// Zeitpunkt der letzten gesendeten Positionsmeldung.
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DateTime? _lastTrackSentAt;
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/// Zuletzt gemeldeter Bewegungszustand (für Erkennung von Zustandswechseln).
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TrackState? _lastTrackState;
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/// Zuletzt gesampelte Position (Referenz für die Statisch-Erkennung).
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Position? _lastSampledPosition;
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MqttCore() {
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instance = this;
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@@ -627,25 +638,117 @@ class MqttCore with ProducerMixin, ConsumerMixin {
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void _startTrackTimer() {
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_cancelTrackTimer();
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_trackTimer ??= Timer.periodic(const Duration(seconds: 120), (Timer t) async {
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try {
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var position = await MyApp.getCurrentPosition();
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var trackMessage = TrackPosition();
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// Zustand zurücksetzen, damit die erste Meldung als Zustandswechsel gilt.
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_lastTrackSentAt = null;
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_lastTrackState = null;
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_lastSampledPosition = null;
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if (position != null) {
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trackMessage.time = Util.toUnixSecondsUtc(position.timestamp);
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trackMessage.lat = position.latitude;
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trackMessage.long = position.longitude;
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trackMessage.acc = position.accuracy.toInt();
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_publishMessage("track", trackMessage.toJson(), false);
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} else {
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_publishMessage("track", <String, dynamic>{}, false);
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}
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} catch (ex) {
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Util.logException("Error in periodic track timer: {$ex}");
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}
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// Feste Sampling-Rate (= kleinste Intervallzeit). Bei jedem Sample wird
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// entschieden, ob eine Positionsmeldung fällig ist.
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_trackTimer = Timer.periodic(TrackTuning.samplingInterval, (Timer t) async {
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await _sampleAndMaybeTrack();
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});
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// Direkt nach Session-Start eine erste Meldung absetzen.
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_sampleAndMaybeTrack();
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}
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/// Ermittelt den aktuellen Zustand und sendet eine Positionsmeldung, falls
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/// ein Zustandswechsel vorliegt oder das Meldeintervall abgelaufen ist.
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Future<void> _sampleAndMaybeTrack() async {
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try {
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var position = await MyApp.getCurrentPosition();
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var state = _determineTrackState(position);
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var withJob = _hasActiveJob();
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var now = DateTime.now();
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var isTransition = state != _lastTrackState;
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var intervalSeconds = state.intervalSeconds(withJob: withJob);
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var elapsedEnough = _lastTrackSentAt == null ||
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now.difference(_lastTrackSentAt!).inSeconds >= intervalSeconds;
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if (isTransition || elapsedEnough) {
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_sendTrack(position, state);
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_lastTrackSentAt = now;
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_lastTrackState = state;
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}
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// Referenzposition für die Statisch-Erkennung immer aktualisieren.
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_lastSampledPosition = position;
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} catch (ex) {
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Util.logException("Error in periodic track timer: {$ex}");
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}
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}
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/// Bestimmt den Bewegungszustand aus der aktuellen Position.
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TrackState _determineTrackState(Position? position) {
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if (position == null) {
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return TrackState.noFix;
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}
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// Statisch: Positionsänderung seit letztem Sample < Ortungsradius / 2,
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// wobei der Ortungsradius die GPS-Genauigkeit (accuracy) ist.
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var last = _lastSampledPosition;
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if (last != null) {
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var distance = Geolocator.distanceBetween(
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last.latitude,
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last.longitude,
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position.latitude,
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position.longitude,
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);
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if (distance < position.accuracy / 2) {
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return TrackState.stationary;
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}
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}
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var speed = position.speed; // m/s
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if (speed < TrackTuning.movingSlowMaxSpeed) {
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return TrackState.movingSlow;
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} else if (speed < TrackTuning.movingMediumMaxSpeed) {
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return TrackState.movingMedium;
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} else {
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return TrackState.movingFast;
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}
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}
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/// Prüft, ob ein Auftrag aktiv ist: akzeptierter Job, dessen Auftragszeit
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/// höchstens [TrackTuning.activeJobLeadSeconds] in der Zukunft liegt.
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bool _hasActiveJob() {
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final box = MyApp.objectBoxStore.box<Job>();
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final query = box.query(Job_.state.equals(Constants.stateAccepted)).build();
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var jobs = query.find();
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query.close();
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var nowSeconds = Util.nowUnixSecondsUtc();
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for (var job in jobs) {
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if (nowSeconds >= job.ordertime - TrackTuning.activeJobLeadSeconds) {
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return true;
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}
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}
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return false;
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}
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/// Baut die Positionsmeldung und veröffentlicht sie auf dem Topic "track".
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void _sendTrack(Position? position, TrackState state) {
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var trackMessage = TrackPosition();
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trackMessage.state = state.label;
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if (position != null) {
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trackMessage.time = Util.toUnixSecondsUtc(position.timestamp);
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trackMessage.lat = position.latitude;
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trackMessage.long = position.longitude;
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trackMessage.acc = position.accuracy.toInt();
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trackMessage.speed = position.speed;
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} else {
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// Keine Ortung verfügbar: nur Zustand + Zeitstempel melden.
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trackMessage.time = Util.nowUnixSecondsUtc();
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trackMessage.lat = 0.0;
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trackMessage.long = 0.0;
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trackMessage.acc = 0;
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trackMessage.speed = 0.0;
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}
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_publishMessage("track", trackMessage.toJson(), false);
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}
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void _cancelTrackTimer() {
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@@ -0,0 +1,58 @@
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/// Bewegungszustände für die adaptive Positionsmeldung (Tracking).
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///
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/// Je Zustand gibt es zwei Meldeintervalle: eines, wenn ein Auftrag aktiv ist
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/// ("mit Auftrag"), und eines ohne aktiven Auftrag. Die kleinste vorkommende
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/// Intervallzeit ([TrackTuning.samplingInterval]) wird als feste Sampling-Rate
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/// verwendet; bei jedem Sample wird entschieden, ob eine Meldung fällig ist.
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enum TrackState {
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/// Keine Ortung verfügbar.
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noFix('no_fix', 1800, 1800),
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/// Statische Position (Positionsänderung < Ortungsradius / 2).
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stationary('static', 600, 600),
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/// In Bewegung, langsam (Geschwindigkeit < 1.5 m/s).
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movingSlow('moving_slow', 60, 120),
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/// In Bewegung, mittel (Geschwindigkeit < 17 m/s).
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movingMedium('moving_medium', 15, 60),
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/// In Bewegung, schnell (Geschwindigkeit >= 17 m/s).
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movingFast('moving_fast', 30, 120);
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const TrackState(
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this.label,
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this.intervalWithJobSeconds,
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this.intervalWithoutJobSeconds,
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);
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/// Im JSON übertragenes String-Label des Zustands.
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final String label;
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/// Meldeintervall in Sekunden, wenn ein Auftrag aktiv ist.
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final int intervalWithJobSeconds;
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/// Meldeintervall in Sekunden ohne aktiven Auftrag.
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final int intervalWithoutJobSeconds;
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/// Liefert das passende Meldeintervall abhängig davon, ob ein Auftrag aktiv ist.
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int intervalSeconds({required bool withJob}) =>
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withJob ? intervalWithJobSeconds : intervalWithoutJobSeconds;
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}
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/// Feste Parameter für die Zustandsbestimmung des Trackings.
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class TrackTuning {
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TrackTuning._();
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/// Feste Sampling-Rate = kleinste vorkommende Intervallzeit (15 s).
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static const Duration samplingInterval = Duration(seconds: 15);
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/// Obergrenze (exklusiv) für "langsam" in m/s.
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static const double movingSlowMaxSpeed = 1.5;
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/// Obergrenze (exklusiv) für "mittel" in m/s.
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static const double movingMediumMaxSpeed = 17.0;
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/// Vorlaufzeit, ab der ein akzeptierter Auftrag als aktiv gilt (15 min vor ordertime).
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static const int activeJobLeadSeconds = 15 * 60;
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}
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+1
-3
@@ -16,13 +16,11 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
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# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
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# In Windows, build-name is used as the major, minor, and patch parts
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# of the product and file versions while build-number is used as the build suffix.
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version: 352.0.0+352
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version: 354.0.0+354
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environment:
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sdk: '>=3.9.0 <4.0.0'
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# Dependencies specify other packages that your package needs in order to work.
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# To automatically upgrade your package dependencies to the latest versions
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# consider running `flutter pub upgrade --major-versions`. Alternatively,
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Reference in new issue
Block a user