private async Task CheckAlertAsync(DecodedMessage message)
{
if (cacheDatabase == null)
return;
string json = await cacheDatabase.StringGetAsync("message-" + message.Device);
if (json == null)
return;
DecodedMessage cached = null;
try
{
cached = JsonConvert.DeserializeObject<DecodedMessage>(json);
}
catch
{
}
if (cached == null)
return;
if ((message.Type == FrameType.Alert) || (message.Mode == Mode.Button) || (Math.Abs(message.Temperature - cached.Temperature) > 10))
{
var alert = new AlertMessage();
alert.Device = message.Device;
var alertMessage = JsonConvert.SerializeObject(alert);
await hubClient.SendAsync(new EventData(Encoding.UTF8.GetBytes(alertMessage)));
}
}
private async Task SendEmailAsync(AlertMessage message)
{
if (message == null)
return;
if (string.IsNullOrEmpty(message.Device))
return;
var email = new SendGridMessage();
email.From = new MailAddress("*****@*****.**", "Alex Danvy (Sigfox Demo)");
List<String> recipients = new List<String>
{
@"Alex Danvy <*****@*****.**>"
};
email.AddTo(recipients);
email.Subject = "Sigfox Demo Alert";
email.Html = string.Format("<p><b>Sigfox Demo Alert!</b></p><p>The device '{0}' raised an alert.</p>", message.Device);
email.Text = string.Format("Sigfox Demo Alert\nThe device '{0}' raised an alert.", message.Device);
await transportWeb.DeliverAsync(email);
}
