public UserPointsModel Get()
{
var userId = GetUser();
var userPoints = Context.UsersPoints.Where(a => a.User.Id == userId).FirstOrDefault();
if (userId == null || userPoints == null)
{
return(new UserPointsModel
{
MaxListeningPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(0)),
MaxSpeakingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(0)),
MaxWritingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(0)),
ProgressLevelPercentage = PointsLevel.GetProgress(0),
ListeningProgressPercentage = 0,
SpeakingProgressPercentage = 0,
WritingProgressPercentage = 0
});
}
var avgPoints = (int)((userPoints.WritingPoints + userPoints.SpeakingPoints + userPoints.ListeningPoints) / 3);
var userLevel = PointsLevel.GetLevel(avgPoints);
return(new UserPointsModel
{
MaxListeningPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.ListeningPoints ?? 0)),
MaxSpeakingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.SpeakingPoints ?? 0)),
MaxWritingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.WritingPoints ?? 0)),
UserLevel = (int)userLevel,
ProgressLevelPercentage = PointsLevel.GetProgress(avgPoints),
ListeningProgressPercentage = PointsLevel.GetProgress(userPoints.ListeningPoints ?? 0),
SpeakingProgressPercentage = PointsLevel.GetProgress(userPoints.SpeakingPoints ?? 0),
WritingProgressPercentage = PointsLevel.GetProgress(userPoints.WritingPoints ?? 0)
});
//userPoints.ProgressLevelPercentage = (int)((avgPoints / (float)PointsLevel.GetMaxLevelPoints(userLevel)) * 100);
//userPoints.MaxListeningPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.ListeningPoints));
//userPoints.MaxSpeakingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.SpeakingPoints));
//userPoints.MaxWritingPoints = PointsLevel.GetMaxLevelPoints(PointsLevel.GetLevel(userPoints.WritingPoints));
//userPoints.UserLevel = (int)userLevel;
//return userPoints;
}
public int GetUserLevel()
{
string userId = GetUser();
var points = Context.UsersPoints.Where(v => v.User.Id == userId)
.Select(s => new { s.ListeningPoints, s.WritingPoints, s.SpeakingPoints }).FirstOrDefault();
if (userId == null || points == null)
{
return((int)Enums.Level.Elementary);
}
int arithmeticMean = ((int)points.ListeningPoints + (int)points.WritingPoints) / 2;
Enums.Level level = PointsLevel.GetLevel(arithmeticMean);
return((int)level);
}
public string ChangeUserLevel(int level)
{
try
{
string userId = GetUser();
if (userId == null)
{
return("");
}
var userPoints = Context.UsersPoints.Where(a => a.User.Id == userId).FirstOrDefault();
var user = Context.Users.Where(a => a.Id == userId).FirstOrDefault();
if (userPoints == null)
{
var points = level > 1 ? PointsLevel.GetMaxLevelPoints((Enums.Level)(level - 1)) + 1 : 1;
Context.UsersPoints.Add(new UserPoints()
{
User = user,
ListeningPoints = points,
WritingPoints = points,
SpeakingPoints = points
});
Context.SaveChanges();
return("Save the level Successful.");
}
else
{
var startPoints = level > 1 ? PointsLevel.GetMaxLevelPoints((Enums.Level)(level - 1)) + 1 : 1;
var maxLevelPoints = PointsLevel.GetMaxLevelPoints((Enums.Level)level);
userPoints.User = user;
userPoints.ListeningPoints = userPoints.ListeningPoints <= maxLevelPoints && userPoints.ListeningPoints >= startPoints ? userPoints.ListeningPoints : startPoints;
userPoints.WritingPoints = userPoints.WritingPoints <= maxLevelPoints && userPoints.WritingPoints >= startPoints ? userPoints.WritingPoints : startPoints;;
userPoints.SpeakingPoints = userPoints.SpeakingPoints <= maxLevelPoints && userPoints.SpeakingPoints >= startPoints ? userPoints.SpeakingPoints : startPoints;;
Context.SaveChanges();
return("Save the level Successful.");
}
}
catch (Exception ex)
{
return(ex.Message);
}
}
public RecommendationsModel Get()
{
string userId = GetUser();
var points = Context.UsersPoints.Where(v => v.User.Id == userId)
.Select(s => new { s.ListeningPoints, s.WritingPoints, s.SpeakingPoints }).FirstOrDefault();
if (userId == null || points == null)
{
var video = _videoModelBuilder.Build(Context.Videos.OrderBy(o => o.Level).ThenBy(o => o.Id).FirstOrDefault());
return(new RecommendationsModel
{
ListeningRecommendation = video,
WritingRecommendation = video,
SpeakingRecommendation = video
});
}
Enums.Level listeningLevel = PointsLevel.GetLevel((int)points.ListeningPoints);
Enums.Level writingLevel = PointsLevel.GetLevel((int)points.WritingPoints);
Enums.Level speakingLevel = PointsLevel.GetLevel((int)points.SpeakingPoints);
var videoForListening = (from a in Context.Videos.Where(l => l.Level >= (int)listeningLevel)
join b in Context.UserProgress
.Where(w => w.User.Id == userId)
on a equals b.Video into joined
from j in joined.DefaultIfEmpty().Where(v => v.ListeningModulePassed != true || v.ListeningModulePassed == null)
select new VideoModel
{
Id = a.Id,
Language = a.Language,
Level = a.Level,
Thumbnail = a.Thumbnail,
Title = a.Title,
Url = a.Url,
ListeningModulePassed = j.ListeningModulePassed,
WritingModulePassed = j.WritingModulePassed
}).OrderBy(o => o.Level).ThenByDescending(o => o.WritingModulePassed).ThenBy(o => o.Id).FirstOrDefault();
var videoForWriting = (from a in Context.Videos.Where(l => l.Level >= (int)writingLevel)
join b in Context.UserProgress
.Where(w => w.User.Id == userId)
on a equals b.Video into joined
from j in joined.DefaultIfEmpty().Where(v => v.WritingModulePassed != true || v.WritingModulePassed == null)
select new VideoModel
{
Id = a.Id,
Language = a.Language,
Level = a.Level,
Thumbnail = a.Thumbnail,
Title = a.Title,
Url = a.Url,
ListeningModulePassed = j.ListeningModulePassed,
WritingModulePassed = j.WritingModulePassed
}).OrderBy(o => o.Level).ThenByDescending(o => o.ListeningModulePassed).ThenBy(o => o.Id).FirstOrDefault();
var videoForSpeaking = (from a in Context.Videos.Where(l => l.Level >= (int)speakingLevel)
join b in Context.UserProgress
.Where(w => w.User.Id == userId)
on a equals b.Video into joined
from j in joined.DefaultIfEmpty().Where(v => v.SpeakingModulePassed != true || v.SpeakingModulePassed == null)
select new VideoModel
{
Id = a.Id,
Language = a.Language,
Level = a.Level,
Thumbnail = a.Thumbnail,
Title = a.Title,
Url = a.Url,
ListeningModulePassed = j.ListeningModulePassed,
WritingModulePassed = j.WritingModulePassed
}).OrderBy(o => o.Level).ThenByDescending(o => o.ListeningModulePassed).ThenByDescending(o => o.WritingModulePassed).ThenBy(o => o.Id).FirstOrDefault();
int arithmeticMean = ((int)points.ListeningPoints + (int)points.WritingPoints) / 2;
Enums.Level level = PointsLevel.GetLevel(arithmeticMean);
RecommendationsModel recommendations = new RecommendationsModel
{
ListeningRecommendation = videoForListening,
WritingRecommendation = videoForWriting,
SpeakingRecommendation = videoForSpeaking
};
return(recommendations);
}
