public bool CreateProgress(ChapterProgress progress)
{
try
{
DbContext.ChapterProgress.Add(progress);
DbContext.SaveChanges();
return(true);
}
catch (Exception)
{
return(false);
}
}
public bool SubmitProgress(Guid userId, ProgressDTO progressDTO)
{
ChapterProgress progress = chapterRepository.GetChapterProgress(userId, progressDTO.ChapterId);
if (progress == null)
{
return(chapterRepository.CreateProgress(new ChapterProgress
{
UserId = userId,
ChapterId = progressDTO.ChapterId,
Score = progressDTO.Score
}));
}
else
{
progress.Score = Math.Max(progress.Score, progressDTO.Score);
return(chapterRepository.UpdateProgress(progress));
}
}
public List <ChapterInProgressDTO> ListChaptersInProgress(Guid userId, Guid courseId)
{
List <Chapter> chapters = chapterRepository.ListChaptersByCourseId(courseId);
List <ChapterProgress> chapterProgresses = chapterRepository.ListChapterProgresses(userId, chapters);
List <ChapterInProgressDTO> result = new List <ChapterInProgressDTO>();
for (int i = 0; i < chapters.Count; i++)
{
ChapterProgress progress = chapterProgresses.Find(x => x.ChapterId == chapters[i].Id);
int total = chapterRepository.GetChapterScore(chapters[i].Id);
result.Add(new ChapterInProgressDTO
{
Id = chapters[i].Id,
Name = chapters[i].Name,
CurrentScore = progress == null ? 0 : Math.Min(progress.Score, total),
TotalScore = total
});
}
;
return(result);
}
