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PatientApp-KKUMC/lib/uitl/HMG_Geofence.dart

121 lines
4.0 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'dart:isolate';
import 'dart:ui';
import 'package:diplomaticquarterapp/config/shared_pref_kay.dart';
import 'package:diplomaticquarterapp/core/model/geofencing/responses/GeoZonesResponseModel.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_Geofence {
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();
ReceivePort port = ReceivePort();
HMG_Geofence(this.context) {
triggers.add(GeofenceEvent.enter);
triggers.add(GeofenceEvent.exit);
// triggers.add(GeofenceEvent.dwell);
}
void initiate(List<GeoZonesResponseModel> zones) async {
_zones = zones;
if (kDebugMode) {
// debug check
addTestingGeofences();
}
_saveZones();
await GeofencingManager.initialize();
await Future.delayed(Duration(seconds: 2));
_registerIsolatePort();
_registerGeofences().then((value) {
debugPrint(value.toString());
});
}
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) async {
id.forEach((element) {
final SendPort send = IsolateNameServer.lookupPortByName(_isolatePortName);
send?.send(event.toString());
});
}
void _registerIsolatePort() {
IsolateNameServer.registerPortWithName(port.sendPort, _isolatePortName);
AppSharedPreferences pref = AppSharedPreferences();
var jsonString = pref.getString(HMG_GEOFENCES);
List jsonList = json.decode(jsonString);
jsonList.forEach((element) {
})
port.listen((dynamic data) {
LocalNotification.showNow(
title: "HMG-Geofence",
subtitle: element,
onClickNotification: (payload) {
debugPrint(payload);
},
payload: "Zohaib Kambrani");
});
}
}