public async Task NextStage(Incident incident)
{
incident.WentToVoicemail = false;
var stage = CallSequence[incident.Index];
if (stage.Attempts > 1 && incident.Attempt < stage.Attempts)
{
incident.Attempt++;
await StatusHub.UpdateClientAsync(incident.UserId, "phoneDelay", stage.Delay.ToString(), HttpContext);
await Task.Delay(stage.Delay * 1000);
}
else
{
incident.Index++;
incident.Attempt = 1;
if (incident.Index >= CallSequence.Count)
{
await StatusHub.UpdateClientAsync(incident.UserId, "phoneFail", null, HttpContext);
return;
}
stage = CallSequence[incident.Index];
}
var phoner = new Phoner();
await phoner.CallAsync(incident, stage, Configuration["Twilio:FromNumber"], HttpContext);
}
public async Task <IActionResult> Post(string studentName, string room, int priority)
{
if (string.IsNullOrWhiteSpace(studentName) || string.IsNullOrWhiteSpace(room) || priority < 1 || priority > 2)
{
return(StatusCode(500, "Invalid inputs."));
}
if (!BritishTime.IsSchoolHours())
{
return(StatusCode(500, "This service is unavailable out of hours."));
}
var userId = User.Identity.GetUserId();
var incident = new Incident(Guid.NewGuid().ToString("D"), studentName.Split(',')[0].ToTitleCase(), room, User.Identity.Name, userId);
if (priority == 1)
{
Cache.Set(incident.Id, incident, TimeSpan.FromMinutes(20));
var phoner = new Phoner();
await phoner.CallAsync(incident, CallSequence[0], Configuration["Twilio:FromNumber"], HttpContext);
}
var mailer = new Mailer(Configuration["Email:SenderEmail"], Configuration["Email:SenderPassword"], Configuration["Email:To"], Configuration["Email:Bcc"]);
await mailer.SendAsync(studentName, room, User.Identity.Name, priority, User.Identity.GetEmail());
await StatusHub.UpdateClientAsync(userId, "emailSent", priority, HttpContext);
return(new EmptyResult());
}
public async Task <IActionResult> StatusCallback(string incidentId, string callStatus)
{
if (incidentId == null || !Cache.TryGetValue(incidentId, out Incident incident))
{
return(StatusCode(401, "Incident token not recognised."));
}
if (incident.Index > -1)
{
var stage = CallSequence[incident.Index];
if (callStatus == "busy" || callStatus == "no-answer" || callStatus == "failed" || callStatus == "canceled" || incident.WentToVoicemail || stage.RequireKeyPress)
{
await NextStage(incident);
}
else
{
incident.Index = -1;
await StatusHub.UpdateClientAsync(incident.UserId, "phoneDone", null, HttpContext);
}
}
return(Content("Handled.", "text/plain"));
}
public async Task <IActionResult> KeyPress(string incidentId, string callStatus, string digits)
{
if (incidentId == null || !Cache.TryGetValue(incidentId, out Incident incident))
{
return(StatusCode(401, "Incident token not recognised."));
}
if (digits == "1")
{
incident.Index = -1;
await StatusHub.UpdateClientAsync(incident.UserId, "phoneDone", null, HttpContext);
var response = new VoiceResponse()
.Say($"Thank you for agreeing to support in {incident.Room}.", Say.VoiceEnum.Woman)
.Pause(1)
.Say("Goodbye.", Say.VoiceEnum.Woman)
.Hangup();
return(Content(response.ToString(), "text/xml"));
}
else
{
return(Index(incidentId, "human"));
}
}