private async Task <DialogTurnResult> StartDialogAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
Debug.WriteLine("in root");
bool userExists = SaveConversationData.CheckUserExists(stepContext.Context.Activity.From.Id);
// check if user is new (if so, send welcome message)
if (!userExists)
{
AddDialog(new WelcomeDialog(userState));
return(await stepContext.BeginDialogAsync(nameof(WelcomeDialog)));
}
else
{
UserDataCollection user = SaveConversationData.GetUserDataCollection(stepContext.Context.Activity.From.Id).Result;
await _userStateAccessor.SetAsync(stepContext.Context, user);
Debug.WriteLine("sending to how 1");
AddDialog(new HowAreYou(userState));
return(await stepContext.ReplaceDialogAsync(nameof(HowAreYou)));
}
}
private async Task <DialogTurnResult> CheckCourses(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
UserDataCollection user = await SaveConversationData.GetUserDataCollection(stepContext.Context.Activity.From.Id);
List <UserCourse> courses = user.PastCourses;
UserCourse current_course = new UserCourse();
Random rnd = new Random();
int start = user.PastCourses.Count - 1;
int random = 0;
bool found = false;
while (start >= 0)
{
random = rnd.Next(0, start);
current_course = courses[random];
courses.RemoveAt(random);
courses.Add(current_course);
start--;
DateTime now = DateTime.Now;
TimeSpan diff = now - current_course.Date;
if (!current_course.InProgress && !current_course.Taken && !current_course.Queried && diff.TotalDays >= 700)
{
found = true;
break;
}
}
if (found)
{
// return await stepContext.BeginDialogAsync(nameof(CheckCourseDialog));
// stepContext.ActiveDialog.State["stepIndex"] = (int)stepContext.ActiveDialog.State["stepIndex"] - 1;
// return await stepContext.NextAsync();
}
return(await stepContext.NextAsync());
}
private async Task <DialogTurnResult> StartAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
UserDataCollection user = await SaveConversationData.GetUserDataCollection(stepContext.Context.Activity.From.Id);
UserDataCollection userProfile = await _userStateAccessor.GetAsync(stepContext.Context, () => new UserDataCollection());
string language = userProfile.language;
List <CourseList> course = new List <CourseList>();
List <string> interest = user.interests;
List <UserCourse> past_courses = user.PastCourses;
if (past_courses.Count > 0)
{
string[] course_to_sub = CourseToInterest(past_courses);
interest.AddRange(course_to_sub);
}
if (interest.Count == 0)
{
// If no interest present, then recommend the most populaar course (or random course)
// RecommendMostPopular();
// return;
}
Random rnd = new Random();
int restrictive = 0;
List <CourseList> course_current = new List <CourseList>();
// make sure all interests have a chance to be checked for courses
// we will cull the list down later at random so it doesn't get too long for the user
for (int i = 0; i < interest.Count; i++)
{
// only select element from all the 'live' elements
int index = rnd.Next(i, interest.Count);
string current_interest = interest[index];
// if an interest has been 'used' move to the front of list, element is now dead and will not be considered by the rng
interest.Insert(0, interest[index]);
interest.RemoveAt(index + 1);
course_current = SaveConversationData.TryMatchCourse(current_interest, user.accreditation, user.delivery, true, user.PreferedLang, user.education, restrictive);
course.AddRange(course_current);
if (i == interest.Count - 1 && course.Count == 0)
{
if (restrictive == 3)
{
// we've had 3 failed passes, give up without finding any courses
// later we should instead recommend the most popular course (collabartive filtering)
break;
}
// first 'pass' has failed to find any courses, start a new 'pass' with less restrictive parameters
i = 0;
i--; // cancel out the i++
restrictive++;
}
}
course = ReduceLength(course);
// string language = context.UserData.GetValue<string>("inputLanguage");
if (course.Count == 0)
{
//RecommendMostPopular();
await stepContext.Context.SendActivityAsync(MessageFactory.Text("Sorry, I couldn't find any courses for you, but you can look through all the topics and subtopics I know about if you like."));
//context.Done(true);
}
else
{
string text = "Based on some of the preferences you have shared with me, here are all the courses I think you might like";
if (restrictive != 0)
{
await stepContext.Context.SendActivityAsync(MessageFactory.Text("I couldn't find any courses that exactly matched you preferences so I had to leave out the following preferences during my search: "));
switch (restrictive)
{
case 1:
await stepContext.Context.SendActivityAsync("\u2022 Your education level");
goto case 2;
case 2:
await stepContext.Context.SendActivityAsync("\u2022 Your prefered language");
goto case 3;
case 3:
await stepContext.Context.SendActivityAsync("\u2022 Your self paced preference");
break;
default:
break;
}
}
// var reply = context.MakeMessage();
var reply = stepContext.Context.Activity.CreateReply();
List <CardAction> course_suggestions = new List <CardAction>();
for (int i = 0; i < course.Count; i++)
{
if (course[i] == null)
{
break;
}
if (language.ToLower() == "english")
{
course_suggestions.Add(new CardAction()
{
Title = course[i].courseName, Type = ActionTypes.ImBack, Value = course[i].courseName
});
}
else
{
course_suggestions.Add(new CardAction()
{
Title = course[i].courseNameArabic, Type = ActionTypes.ImBack, Value = course[i].courseNameArabic
});
}
}
if (language.ToLower() == "english")
{
reply.Text = "Based on some of the preferences you have shared with me, here are all the courses I think you might like";
course_suggestions.Add(new CardAction()
{
Title = "Start Over", Type = ActionTypes.ImBack, Value = "Start Over"
});
}
else
{
reply.Text = "استنادًا إلى بعض التفضيلات التي قمت بمشاركتها معي ، إليك جميع الدورات التدريبية التي قد تعجبك";
course_suggestions.Add(new CardAction()
{
Title = "ابدأ من جديد", Type = ActionTypes.ImBack, Value = "ابدأ من جديد"
});
}
reply.SuggestedActions = new SuggestedActions()
{
Actions = course_suggestions
};
await stepContext.Context.SendActivityAsync(reply);
}
return(await stepContext.EndDialogAsync());
}