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HMG_Patient_App/lib/uitl/HMG_Geofence.dart

190 lines
6.3 KiB
Dart

import 'dart:convert';
import 'dart:core';
import 'dart:io';
import 'dart:isolate';
import 'dart:math';
import 'dart:ui';
import 'package:diplomaticquarterapp/config/shared_pref_kay.dart';
import 'package:diplomaticquarterapp/core/model/geofencing/requests/GeoZonesRequestModel.dart';
import 'package:diplomaticquarterapp/core/model/geofencing/requests/LogGeoZoneRequestModel.dart';
import 'package:diplomaticquarterapp/core/model/geofencing/responses/GeoZonesResponseModel.dart';
import 'package:diplomaticquarterapp/core/service/geofencing/GeofencingServices.dart';
import 'package:diplomaticquarterapp/locator.dart';
import 'package:diplomaticquarterapp/uitl/LocalNotification.dart';
import 'package:diplomaticquarterapp/uitl/app_shared_preferences.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:geofencing/geofencing.dart';
class HMG_Geofencing {
var _testTrigger = false;
static var _isolatePortName = "hmg_geofencing_send_port";
List<GeoZonesResponseModel> _zones;
List<String> registeredGeofences = [];
final AndroidGeofencingSettings androidSettings = AndroidGeofencingSettings(initialTrigger: <GeofenceEvent>[GeofenceEvent.enter, GeofenceEvent.exit, GeofenceEvent.dwell], loiteringDelay: 1000 * 60);
final BuildContext context;
final List<GeofenceEvent> triggers = List();
HMG_Geofencing(this.context) {
triggers.add(GeofenceEvent.enter);
triggers.add(GeofenceEvent.exit);
// triggers.add(GeofenceEvent.dwell);
}
Future<HMG_Geofencing> loadZones() async{
_zones = await locator<GeofencingServices>().getAllGeoZones(GeoZonesRequestModel());
return this;
}
void init() async {
// debug check (Testing Geo Zones)
if (kDebugMode) {
addTestingGeofences();
}
_saveZones();
await GeofencingManager.initialize();
await Future.delayed(Duration(seconds: 2));
_registerIsolatePort();
_registerGeofences().then((value) {
debugPrint(value.toString());
if(_testTrigger) {
var events = [GeofenceEvent.enter,GeofenceEvent.exit];
events.shuffle();
transitionTrigger(value, null, events.first);
}
});
}
void _saveZones() {
var list = List();
_zones.forEach((element) {
list.add(element.toJson());
});
var jsonString = jsonEncode(list);
AppSharedPreferences pref = AppSharedPreferences();
pref.setString(HMG_GEOFENCES, jsonString);
}
Future<List<String>> _registerGeofences() async {
registeredGeofences = await GeofencingManager.getRegisteredGeofenceIds();
var maxLimit = Platform.isIOS ? 20 : 100;
if (registeredGeofences.length < maxLimit) {
var notRegistered = _zones.where((element) => !(registeredGeofences.contains(element.geofenceId()))).toList();
for (int i = 0; i < notRegistered.length; i++) {
var zone = notRegistered.elementAt(i);
var lat = double.tryParse(zone.latitude);
var lon = double.tryParse(zone.longitude);
var rad = double.tryParse(zone.radius.toString());
if (lat != null || lon != null || rad != null) {
await GeofencingManager.registerGeofence(GeofenceRegion(zone.geofenceId(), lat, lon, rad, triggers), transitionTrigger);
registeredGeofences.add(zone.geofenceId());
if (registeredGeofences.length >= maxLimit) {
break;
}
await Future.delayed(Duration(milliseconds: 100));
debugPrint("Geofence: ${zone.description} registered");
} else {
debugPrint("Geofence: ${zone.description} registered");
}
}
}
return registeredGeofences;
}
void addTestingGeofences() {
_zones.add(GeoZonesResponseModel.get("24.777577,46.652675", 150, "msH"));
_zones.add(GeoZonesResponseModel.get("24.691136,46.650116", 150, "zkH"));
_zones.add(GeoZonesResponseModel.get("24.7087913,46.6656461", 150, "csO"));
}
static void transitionTrigger(List<String> id, Location location, GeofenceEvent event) {
var dataToSend = id.map((element) => {"event": event, "geofence_id": element}).toList() ?? [];
final SendPort send = IsolateNameServer.lookupPortByName(_isolatePortName);
send?.send(dataToSend);
}
ReceivePort _port = ReceivePort();
void _registerIsolatePort() async{
IsolateNameServer.registerPortWithName(_port.sendPort, _isolatePortName);
_port.listen((dynamic data) {
Future result = AppSharedPreferences().getStringWithDefaultValue(HMG_GEOFENCES,"[]");
result.then((jsonString){
List jsonList = json.decode(jsonString) ?? [];
List<GeoZonesResponseModel> geoList = jsonList.map((e) => GeoZonesResponseModel().fromJson(e)).toList() ?? [];
(data as List).forEach((element) async {
GeofenceEvent geofenceEvent = element["event"];
String geofence_id = element["geofence_id"];
GeoZonesResponseModel geoZone = _findByGeofenceFrom(geoList, by: geofence_id);
if(geoZone != null) {
LocalNotification.getInstance().showNow(
title: "GeofenceEvent: ${_nameOf(geofenceEvent)}",
subtitle: geoZone.description,
payload: json.encode(geoZone.toJson()));
_logGeoZoneToServer(zoneId: geoZone.geofId, transition: _idOf(geofenceEvent));
}
await Future.delayed(Duration(milliseconds: 700));
});
});
});
}
_logGeoZoneToServer({int zoneId, int transition}){
locator<GeofencingServices>()
.logGeoZone(LogGeoZoneRequestModel(GeoType: transition, PointsID: zoneId ?? 1))
.then((response){
}).catchError((error){
});
}
GeoZonesResponseModel _findByGeofenceFrom(List<GeoZonesResponseModel> list, { String by}) {
var have = list.where((element) => element.geofenceId() == by).toList().first;
return have;
}
String _nameOf(GeofenceEvent event) {
switch (event) {
case GeofenceEvent.enter:
return "Enter";
case GeofenceEvent.exit:
return "Exit";
case GeofenceEvent.dwell:
return "dWell";
default:
return event.toString();
}
}
int _idOf(GeofenceEvent event){
switch (event) {
case GeofenceEvent.enter:
return 1;
case GeofenceEvent.exit:
return 2;
case GeofenceEvent.dwell:
return 3;
default:
return -1;
}
}
}