public static async Task SendNotification([ActivityTrigger] NotificationParameters parameters)
{
var timeToLeave = parameters.DestinationTime - TimeSpan.FromSeconds(parameters.TimeToDestination);
var minutesToLeave = (timeToLeave - parameters.CurrentTime).TotalMinutes;
var message = $"Leave in {(int)minutesToLeave} minutes to hit 66 route at {parameters.DestinationTime.ToString(@"hh\:mm")}.";
var queueClient = new QueueClient(Settings.NotificationQueueConnection, Settings.NotificationQueueName);
await queueClient.SendAsync(new Message(Encoding.UTF8.GetBytes(message)));
await queueClient.CloseAsync();
}
public static async Task RunOrchestrator([OrchestrationTrigger] IDurableOrchestrationContext context, ILogger log)
{
log.LogInformation("Traffic monitoring started.");
var parameters = context.GetInput <MonitoringOrchestrationParameters>();
TimeSpan currentTime = GetCurrentTime(context);
while (currentTime < parameters.TimerExpirationTime)
{
var timeToDestination = await context.CallActivityAsync <int>("func-getcommutetime", null);
var timeToLeave = parameters.DestinationArrivalTime - TimeSpan.FromSeconds(timeToDestination + parameters.NotificationPeriod);
log.LogInformation("Current time {currentTime}; time to leave {timeToLeave}.", currentTime, timeToLeave);
if (currentTime > timeToLeave)
{
var input = new NotificationParameters
{
CurrentTime = currentTime,
DestinationTime = parameters.DestinationArrivalTime,
TimeToDestination = timeToDestination
};
await context.CallActivityAsync <NotificationParameters>("func-sendnotification", input);
return;
}
var nextCheckTime = context.CurrentUtcDateTime.AddSeconds(parameters.CheckInterval);
log.LogInformation("Schedule next timer job at {nextCheckTime}.", nextCheckTime);
await context.CreateTimer(nextCheckTime, CancellationToken.None);
currentTime = GetCurrentTime(context);
}
log.LogError("Orchestration finished due expiration time. Current time = {currentTime}, Timeout = {timeout}.", currentTime, parameters.TimerExpirationTime);
}
