//Calculates progress for all exercises under this lesson for the current user
private ProgressLessonModel CalculateLessonProgress(string id)
{
ProgressLessonModel progressLessonModel = new ProgressLessonModel();
using (var db = new TeachMeBackendContext())
{
var exercises = db.Exercises.Where(ex => ex.LessonId == id).Include(ex => ex.ExerciseStudents);
progressLessonModel.ExercisesNumber = exercises.Count();
if (User is ClaimsPrincipal claimsPrincipal)
{
var userId = claimsPrincipal.FindFirst(ClaimTypes.PrimarySid).Value;
progressLessonModel.ExercisesDone =
exercises.Count(ex => ex.ExerciseStudents.Any(c => c.UserId == userId && c.IsDone));
var lessonProgress =
db.LessonProgresses.FirstOrDefault(p => p.UserId == userId && p.LessonId == id);
if (lessonProgress != null)
{
progressLessonModel.IsDone = lessonProgress.IsDone;
progressLessonModel.IsStarted = lessonProgress.IsDone;
}
}
}
return(progressLessonModel);
}
public IHttpActionResult GetLessonProgress(string id)
{
Lesson lesson = _db.Lessons.Find(id);
if (lesson == null)
{
return(NotFound());
}
//Calculates progress for all exercises under this lesson for the current user
ProgressLessonModel progress = CalculateLessonProgress(id);
return(Ok(progress));
}
public IHttpActionResult GetLessonProgress(string id)
{
using (var db = new TeachMeBackendContext())
{
Lesson lesson = db.Lessons.Find(id);
if (lesson == null)
{
return(NotFound());
}
}
//Calculates progress for all exercises under this lesson for the current user
ProgressLessonModel progress = CalculateLessonProgress(id);
return(Ok(progress));
}
