private async Task <string> GetUserDeviceId()
{
var userDeviceKey = string.Empty;
var userId = User.Identity.GetUserId();
using (var context = IoTDbContext.Create())
{
var device = await context.Devices.FirstOrDefaultAsync(d => d.ApplicationUserId == userId);
userDeviceKey = device.Key;
}
return(userDeviceKey);
}
public async Task NotifyClient(TemperatureData temperature)
{
using (var context = IoTDbContext.Create())
{
var user = await context.Users.FirstOrDefaultAsync(u => u.Devices.Any(d => d.Key == temperature.DeviceId));
if (Connections.UserExists(user.Id))
{
var hubContext = GlobalHost.ConnectionManager.GetHubContext <TemperatureHub>();
var connId = Connections.GetConnections(user.Id).ToList();
hubContext.Clients.Clients(connId).receiveTemperature(temperature);
}
}
}
