public async Task StopTracking(string code)
{
Guid sessionId;
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
}
public async Task StartTracking(string code)
{
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
// Get vehicle by code
var getUserVehicleQuery = _serviceProvider.GetRequiredService <GetUserVehicleQuery>();
var vehicle = await getUserVehicleQuery.Execute(new GetUserVehicleViewModel()
{
UserId = userId,
Code = code
});
var command = new CreateSessionCommand()
{
Id = Guid.NewGuid(),
UserId = vehicle.UserId,
VehicleId = vehicle.Id
};
// Create new session
var createSessionCommandHandler = _serviceProvider.GetRequiredService <CreateSessionCommandHandler>();
await createSessionCommandHandler.Handle(command);
// Store this session to cache
await _cacheService.Store <TrackingSession>(Schema.SESSION_SCHEMA, $"{vehicle.UserId.ToString()}_{vehicle.Code}",
new TrackingSession()
{
SessionId = command.Id,
VehicleId = command.VehicleId
});
}
/// <summary>
/// Try to retrieve user id from httpcontext
/// </summary>
/// <returns></returns>
private Guid GetCurrentUserId()
{
try
{
return(HttpContextHelper.GetCurrentUserId());
}
catch
{
return(Guid.Empty);
}
}
public async Task ResignVehicle(ResignVehicleCommand command)
{
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
// Set user id
command.UserId = userId;
var resignVehicleCommandHandler = _serviceProvider.GetRequiredService <ResignVehicleCommandHandler>();
await resignVehicleCommandHandler.Handle(command);
}
public async Task <VehicleViewModel> GetVehicleByCode(string code)
{
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
// Get vehicle by code
var getVehicleByCodeQuery = _serviceProvider.GetRequiredService <GetUserVehicleQuery>();
return(await getVehicleByCodeQuery.Execute(new GetUserVehicleViewModel()
{
UserId = userId,
Code = code
}));
}
public async Task StopTracking(string code)
{
Guid sessionId;
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
// Remove this session from Redis cache
var trackingSession = await _cacheService.GetAndRemove <TrackingSession>(Schema.SESSION_SCHEMA, $"{userId.ToString()}_{code}");
if (trackingSession != null)
{
// Session id
sessionId = trackingSession.SessionId;
}
else
{
// Get vehicle by code
var getUserVehicleQuery = _serviceProvider.GetRequiredService <GetUserVehicleQuery>();
var vehicle = await getUserVehicleQuery.Execute(new GetUserVehicleViewModel()
{
UserId = userId,
Code = code
});
// Get session by vehicle id
var getSesssionByVehicleIdQuery = _serviceProvider.GetRequiredService <GetSesssionByVehicleIdQuery>();
var session = await getSesssionByVehicleIdQuery.Execute(vehicle.Id);
// Session id
sessionId = session.Id;
}
if (sessionId != Guid.Empty)
{
// Stop session
var stopSessionCommandHandler = _serviceProvider.GetRequiredService <StopSessionCommandHandler>();
await stopSessionCommandHandler.Handle(sessionId);
}
}
public async Task UpdateLocation(UpdateLocationModel model)
{
// Get current user id
var userId = HttpContextHelper.GetCurrentUserId();
// Get tracking session from Redis cache
var session = await _cacheService.Get <TrackingSession>(Schema.SESSION_SCHEMA, $"{userId.ToString()}_{model.Code}");
if (session == null)
{
throw new CustomException(ErrorCodes.EC_Session_002, model.Code);
}
// Update location
var updateLocationCommandHandler = _serviceProvider.GetRequiredService <UpdateLocationCommandHandler>();
await updateLocationCommandHandler.Handle(new UpdateLocationCommand()
{
SessionId = session.SessionId,
Longitude = model.Longitude,
Latitude = model.Latitude
});
}