private async Task <DialogTurnResult> AskForDuration(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
string result = (string)stepContext.Context.TurnState["data"]; //gets attendees' names
var tokenResponse = (TokenResponse)stepContext.Result; //gets token
if (tokenResponse?.Token != null)
{
var client = new SimpleGraphClient(tokenResponse.Token);
string[] attendeeNames = string.Concat(result.Where(c => !char.IsWhiteSpace(c))).Split(","); //splits comma separated names of attendees
List <string> attendeeTableStorage = new List <string>();
foreach (string name in attendeeNames)
{
List <string> attendeeEmails = await client.GetAttendeeEmailFromName(name); //gets email from attendee's name
if (attendeeEmails.Count > 1) //there can be multiple people having same first name, ask user to start again and enter email instead to be more specific
{
await stepContext.Context.SendActivityAsync("There are " + attendeeEmails.Count + " people whose name start with " + name + ". Please type hi to start again, and instead of first name, enter email to avoid ambiguity.");
return(await stepContext.EndDialogAsync(cancellationToken : cancellationToken));
}
else if (attendeeEmails.Count == 1) // attendee found
{
attendeeTableStorage.Add(attendeeEmails[0]);
}
else //attendee not found in organization
{
await stepContext.Context.SendActivityAsync("Attendee not found, please type anything to start again");
return(await stepContext.EndDialogAsync(cancellationToken : cancellationToken));
}
}
var sb = new System.Text.StringBuilder();
foreach (string email in attendeeTableStorage)
{
sb.Append(email + ","); //converts emails to comma separated string to store in table
}
string finalString = sb.ToString().Remove(sb.Length - 1);
if (result != null)
{
MeetingDetail meetingDetail = new MeetingDetail(stepContext.Context.Activity.Conversation.Id, userEmail);
meetingDetail.Attendees = finalString;
await InsertOrMergeEntityAsync(table, meetingDetail); //inserts attendees' emails in table
return(await stepContext.PromptAsync(nameof(NumberPrompt <double>), new PromptOptions { Prompt = MessageFactory.Text("What will be duration of the meeting? (in hours)"), RetryPrompt = MessageFactory.Text("Invalid value, please enter a proper value") }, cancellationToken));
}
}
await stepContext.Context.SendActivityAsync("Something went wrong. Please type anything to get started again.");
return(await stepContext.EndDialogAsync(cancellationToken : cancellationToken));
}