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122 lines
4.9 KiB
122 lines
4.9 KiB
using GMCabsDriverAssistant.Messages;
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using GMCabsDriverAssistant.Models;
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using GMCabsDriverAssistant.Utils;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.Maui;
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using Microsoft.Maui.Controls;
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namespace GMCabsDriverAssistant.Services
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{
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public class LocationService
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{
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private const double LOCATION_DISTANCE = 0.015; // 15 meters
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readonly bool stopping = false;
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private double lastLatitude = 0;
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private double lastLongitude = 0;
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public LocationService()
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{
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}
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public async Task Run(CancellationToken token)
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{
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await Task.Run(async () =>
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{
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while (!stopping)
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{
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token.ThrowIfCancellationRequested();
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try
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{
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await Task.Delay(10000);
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var request = new GeolocationRequest(GeolocationAccuracy.Best);
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var location = await Geolocation.GetLocationAsync(request);
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if (location != null)
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{
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var message = new LocationMessage
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{
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Latitude = location.Latitude,
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Longitude = location.Longitude
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};
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await UpdateLocationOnServer(location.Latitude, location.Longitude);
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Device.BeginInvokeOnMainThread(() =>
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{
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MessagingCenter.Send<LocationMessage>(message, "Location");
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});
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}
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}
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catch (Exception ex)
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{
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Device.BeginInvokeOnMainThread(() =>
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{
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var errormessage = new LocationErrorMessage();
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MessagingCenter.Send<LocationErrorMessage>(errormessage, "LocationError");
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});
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}
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}
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return;
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}, token);
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}
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private async Task UpdateLocationOnServer(double currentLatitude, double currentLongitude)
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{
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var token = Preferences.Get(SecureStorageData.Token,"");
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if (token != null)
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{
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GMCabsDriverService gmCabsDriverService = new GMCabsDriverService();
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LocationUpdateRequestDto locationUpdateRequestDto = new LocationUpdateRequestDto();
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if (lastLatitude == 0.00 && lastLongitude == 0.00)
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{
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lastLatitude = currentLatitude;
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lastLongitude = currentLongitude;
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locationUpdateRequestDto.Latitude = currentLatitude;
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locationUpdateRequestDto.Longitude = currentLongitude;
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locationUpdateRequestDto.Imei = Preferences.Get("imeiNumber", null);
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if (!string.IsNullOrEmpty(locationUpdateRequestDto.Imei))
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{
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await gmCabsDriverService.SendDriverLocationTablet(locationUpdateRequestDto);
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}
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else
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{
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await gmCabsDriverService.SendDriverLocation(token, locationUpdateRequestDto);
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}
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Preferences.Set("lastLat", currentLatitude);
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Preferences.Set("lastLng", currentLongitude);
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}
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else
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{
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Location lastLocation = new Location(lastLatitude, lastLongitude);
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Location currentLocation = new Location(currentLatitude, currentLongitude);
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double kilometers = Location.CalculateDistance(lastLocation, currentLocation, DistanceUnits.Kilometers);
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if (kilometers > LOCATION_DISTANCE)
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{
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lastLatitude = currentLatitude;
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lastLongitude = currentLongitude;
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locationUpdateRequestDto.Latitude = currentLatitude;
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locationUpdateRequestDto.Longitude = currentLongitude;
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locationUpdateRequestDto.Imei = Preferences.Get("imeiNumber", null);
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if (!string.IsNullOrEmpty(locationUpdateRequestDto.Imei))
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{
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await gmCabsDriverService.SendDriverLocationTablet(locationUpdateRequestDto);
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}
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else
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{
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await gmCabsDriverService.SendDriverLocation(token, locationUpdateRequestDto);
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}
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Preferences.Set("lastLat", currentLatitude);
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Preferences.Set("lastLng", currentLongitude);
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}
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}
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}
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}
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}
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}
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