public static List <string> reccQuery(string topic, string familiar)
{
List <string> lessonlistid = new List <string>();
Search.Search s = new Search.Search();
var l1 = new Lesson();
var lList = l1.RetrieveAllLessons();
var reccList = s.reccQuery(lList, topic, familiar);
for (var i = 0; i < reccList.Count; i++)
{
lessonlistid.Add(reccList[i].id);
System.Diagnostics.Debug.WriteLine("id = " + reccList[i].id);
}
return(lessonlistid);
}
protected void Page_Load(object sender, EventArgs e)
{
lesson = new List <Lesson>();
Lesson l1 = new Lesson();
user = new List <User>();
User u1 = new User();
var searchQS = "";
var filterQS = "";
var lvlQS = "";
var priceQS = "";
var ratingQS = "";
var categoryQS = "";
user = u1.Get4RandomTeachers();
try
{
searchQS = Request.QueryString["search"].ToString();
} catch
{
searchQS = null;
}
try
{
filterQS = Request.QueryString["filter"].ToString();
lvlQS = Request.QueryString["lvlFilter"].ToString();
priceQS = Request.QueryString["priceFilter"].ToString();
ratingQS = Request.QueryString["ratingFilter"].ToString();
//System.Diagnostics.Debug.WriteLine(categoryQS);
}
catch
{
filterQS = null;
lvlQS = null;
priceQS = null;
ratingQS = null;
}
try
{
categoryQS = Request.QueryString["cate"].ToString();
System.Diagnostics.Debug.WriteLine(categoryQS);
} catch
{
categoryQS = null;
}
if (searchQS == null)
{
headerText.Text = "Showing: Shop";
//System.Diagnostics.Debug.WriteLine("SEARCH IS NULL");
// if user didnt search anything, itll check if user is logged in
// if user is logged in and has data saved for him, he will have his recc lessons shown else itll be random
if (Session["id"] != null)
{
try
{
//Find the top 5 using machine learning
MLContext mlContext = new MLContext();
(IDataView trainingDataView, IDataView testDataView) = LoadData(mlContext);
ITransformer model = BuildAndTrainModel(mlContext, trainingDataView);
EvaluateModel(mlContext, testDataView, model);
//UseModelForSinglePrediction(mlContext, model);
var top5recc = UseModelForBest5Prediction(mlContext, model);
SaveModel(mlContext, trainingDataView.Schema, model);
for (var i = 0; i < top5recc.Count; i++)
{
System.Diagnostics.Debug.WriteLine(top5recc[i].ToString());
l1 = l1.GetLessonById(top5recc[i].ToString());
var lesson_rating = (double.Parse(l1.rating_1) * 1 + double.Parse(l1.rating_2) * 2 + double.Parse(l1.rating_3) * 3 + double.Parse(l1.rating_4) * 4 + double.Parse(l1.rating_5) * 5) / (double.Parse(l1.rating_1) + double.Parse(l1.rating_2) + double.Parse(l1.rating_3) + double.Parse(l1.rating_4) + double.Parse(l1.rating_5));
lesson.Add(new Lesson()
{
title = l1.title,
price = l1.price,
image_url = l1.image_url,
difficulty = l1.difficulty,
duration = l1.duration,
rating_1 = lesson_rating.ToString(),
});
}
}
catch
{
List <int> lessonId = new List <int>();
l1 = new Lesson();
for (var j = 0; j < 8; j++)
{
//System.Diagnostics.Debug.WriteLine("Starting While Loop");
while (true)
{
int rando = RandomNumber(1, l1.GetLengthOfDB());
l1 = l1.GetLessonById(rando.ToString());
var lesson_rating = (double.Parse(l1.rating_1) * 1 + double.Parse(l1.rating_2) * 2 + double.Parse(l1.rating_3) * 3 + double.Parse(l1.rating_4) * 4 + double.Parse(l1.rating_5) * 5) / (double.Parse(l1.rating_1) + double.Parse(l1.rating_2) + double.Parse(l1.rating_3) + double.Parse(l1.rating_4) + double.Parse(l1.rating_5));
//System.Diagnostics.Debug.WriteLine("Random Number " + rando);
if (lessonId.Contains(rando) == false)
{
//System.Diagnostics.Debug.WriteLine("Lesson contain" + lesson.Contains(l1));
lesson.Add(new Lesson()
{
title = l1.title,
price = l1.price,
image_url = l1.image_url,
difficulty = l1.difficulty,
duration = l1.duration,
rating_1 = lesson_rating.ToString(),
});
lessonId.Add(rando);
break;
}
}
}
}
}
else if (filterQS != null || lvlQS != null || priceQS != null || ratingQS != null)
{
List <String> fQS = filterQS.Split(',').ToList();
List <String> levelQS = lvlQS.Split(',').ToList();
List <String> pQS = priceQS.Split(',').ToList();
List <String> rQS = ratingQS.Split(',').ToList();
List <String> rfQS = new List <String>();
for (var i = 0; i < fQS.Count; i++)
{
rfQS.Add(fQS[i].Replace("%", " "));
}
Search.Search filterRet = new Search.Search();
Lesson tempLesson = new Lesson();
List <Lesson> lList = new List <Lesson>();
lList = tempLesson.RetrieveAllLessons();
for (var i = 0; i < lList.Count; i++)
{
System.Diagnostics.Debug.WriteLine("========= " + lList[i].id + " ========");
}
lesson = filterRet.filterQuery(lList, rfQS, levelQS, pQS, rQS);
}
else if (categoryQS != null)
{
Search.Search categoryRet = new Search.Search();
Lesson tempLesson = new Lesson();
List <Lesson> lList = new List <Lesson>();
lList = tempLesson.RetrieveAllLessons();
System.Diagnostics.Debug.WriteLine("========= CATEGORY: " + categoryQS + " ========");
categoryQS = categoryQS.Replace("%", " ");
categoryQS = categoryQS.Replace("AND", "&");
headerText.Text = categoryQS;
lesson = categoryRet.retCategories(lList, categoryQS);
}
else
{
List <int> lessonId = new List <int>();
l1 = new Lesson();
for (var j = 0; j < 8; j++)
{
//System.Diagnostics.Debug.WriteLine("Starting While Loop");
while (true)
{
int rando = RandomNumber(1, l1.GetLengthOfDB());
l1 = l1.GetLessonById(rando.ToString());
System.Diagnostics.Debug.WriteLine("Random Number " + rando);
if (lessonId.Contains(rando) == false)
{
System.Diagnostics.Debug.WriteLine("Lesson contain" + lesson.Contains(l1));
var lesson_rating = (double.Parse(l1.rating_1) * 1 + double.Parse(l1.rating_2) * 2 + double.Parse(l1.rating_3) * 3 + double.Parse(l1.rating_4) * 4 + double.Parse(l1.rating_5) * 5) / (double.Parse(l1.rating_1) + double.Parse(l1.rating_2) + double.Parse(l1.rating_3) + double.Parse(l1.rating_4) + double.Parse(l1.rating_5));
lesson.Add(new Lesson()
{
title = l1.title,
price = l1.price,
image_url = l1.image_url,
difficulty = l1.difficulty,
duration = l1.duration,
rating_1 = lesson_rating.ToString(),
});
lessonId.Add(rando);
break;
}
}
}
}
}
else
{
var query = searchQS;
//System.Diagnostics.Debug.WriteLine("SEARCH IS NOT NULL");
//System.Diagnostics.Debug.WriteLine(Session["search"]);
headerText.Text = "Showing: " + query;
Search.Search searchRet = new Search.Search();
Lesson tempLesson = new Lesson();
List <Lesson> lList = new List <Lesson>();
lList = tempLesson.RetrieveAllLessons();
for (var i = 0; i < lList.Count; i++)
{
System.Diagnostics.Debug.WriteLine("=========" + lList[i].id + "========");
}
lesson = searchRet.searchQuery(lList, query);
if (lesson.Count == 0)
{
notFoundLbl.Visible = true;
}
}
}
