public static async Task <bool> CallNumberAsync(this IDurableOrchestrationContext context, string number, ILogger log, int attempts = 3)
{
log.LogWarning("Calling Method CallNumberAsync in DurableOrchestrationContextExtensions");
CallInfo callinfo = new CallInfo
{
NumberCalled = number
};
var callMade_UniqueEventId = await context.CallActivityAsync <string>("A_MakeCall", callinfo);
log.LogWarning($"callMade_UniqueEventId = {callMade_UniqueEventId}");
if (!string.IsNullOrEmpty(callMade_UniqueEventId))
{
var cts = new CancellationTokenSource();
var callEvent = await context.WaitForExternalEvent <string>($"TwilioEventRaised_{callMade_UniqueEventId}", TimeSpan.FromSeconds(20), cts.Token);
if (callEvent == null || new[] { "failed", "busy", "no-answer" }.Contains(callEvent))
{
cts.Cancel();
if (attempts <= 0)
{
return(false);
}
attempts -= 1;
return(await context.CallNumberAsync(number, log, attempts));
}
return(false);
}
else
{
// The call was picked up or some other happ-path state
return(true);
}
}
