// GET: Subjects/Details/5
public async Task <IActionResult> Details(int?id)
{
if (id == null)
{
return(NotFound());
}
var subject = await _context.Subject
.Include(s => s.Professors)
.ThenInclude(set => set.Professor)
.Include(s => s.Reviews)
.ThenInclude(r => r.Author)
.Include(s => s.Reviews)
.ThenInclude(r => r.SubjectReviewTagSet)
.ThenInclude(set => set.SubjectReviewTag)
.Include(s => s.Reviews)
.ThenInclude(r => r.Comments)
.Include(s => s.SubjectTagSet)
.ThenInclude(s => s.SubjectTag)
.Include(s => s.Faculty)
.ThenInclude(f => f.University)
.ThenInclude(u => u.City)
.SingleOrDefaultAsync(m => m.ID == id);
if (subject == null)
{
return(NotFound());
}
if (!subject.Validated && !await _authorizationService.AuthorizeAsync(User, "CanModerate"))
{
return(NotFound());
}
var diff = calcDifficulty(subject.Reviews);
var interes = calcInterest(subject.Reviews);
var usefulness = calcUsefulness(subject.Reviews);
var total = calcTotalGrade(subject.Reviews);
var gradesDict = new Dictionary <string, GradeInfo>();
gradesDict.Add(
"Težina",
new GradeInfo {
Grade = diff
}
);
gradesDict.Add(
"Predavaèi",
new GradeInfo {
Grade = interes
}
);
gradesDict.Add(
"Korisnost",
new GradeInfo {
Grade = usefulness
}
);
gradesDict.Add(
"Ukupno",
new GradeInfo {
Grade = total
}
);
var model = new SubjectDetailViewModel
{
ID = subject.ID,
Name = subject.Name,
ShortName = subject.ShortName,
Faculty = subject.Faculty,
Reviews = subject.Reviews.OrderBy(r => r.Points).Take(2).ToList(),
Description = subject.Description,
Professors = subject.Professors.Select(p => p.Professor).ToList(),
SubjectTags = subject.SubjectTagSet.Select(set => set.SubjectTag).ToList(),
Validated = subject.Validated,
AvgDifficultyGrade = diff,
AvgInterestGrade = interes,
AvgUsefulnessGrade = usefulness,
AvgTotal = total,
Grades = gradesDict
};
return(View(model));
}
public IActionResult SubjectRankings(int sort = 4, int tag = -1)
{
var query = _context.Subject
.Include(s => s.Professors)
.ThenInclude(set => set.Professor)
.Include(s => s.Reviews)
.ThenInclude(r => r.Author)
.Include(s => s.Reviews)
.ThenInclude(r => r.SubjectReviewTagSet)
.ThenInclude(set => set.SubjectReviewTag)
.Include(s => s.Reviews)
.ThenInclude(r => r.Comments)
.Include(s => s.SubjectTagSet)
.ThenInclude(s => s.SubjectTag)
.Include(s => s.Faculty)
.ThenInclude(f => f.University)
.ThenInclude(u => u.City)
.AsNoTracking().Where(s => s.Reviews.Count > 0 && s.Validated).ToList();
List <SubjectDetailViewModel> subjectList = new List <SubjectDetailViewModel>();
foreach (var subject in query)
{
var tagList = subject.SubjectTagSet.Select(set => set.SubjectTagID).ToList();
if (tag != -1 && !tagList.Contains(tag))
{
continue;
}
var model = new SubjectDetailViewModel
{
ID = subject.ID,
Name = subject.Name,
ShortName = subject.ShortName,
Faculty = subject.Faculty,
Reviews = subject.Reviews.OrderBy(r => r.Points).Take(2).ToList(),
Description = subject.Description,
Professors = subject.Professors.Select(p => p.Professor).ToList(),
SubjectTags = subject.SubjectTagSet.Select(set => set.SubjectTag).ToList(),
Validated = subject.Validated,
AvgDifficultyGrade = calcDifficulty(subject.Reviews),
AvgInterestGrade = calcInterest(subject.Reviews),
AvgUsefulnessGrade = calcUsefulness(subject.Reviews),
AvgTotal = calcTotalGrade(subject.Reviews),
Grades = new Dictionary <string, GradeInfo>()
};
subjectList.Add(model);
}
System.Linq.Expressions.Expression <Func <SubjectDetailViewModel, object> > orderSelector = null;
switch (sort)
{
case 1:
orderSelector = d => d.AvgDifficultyGrade;
break;
case 2:
orderSelector = d => d.AvgInterestGrade;
break;
case 3:
orderSelector = d => d.AvgUsefulnessGrade;
break;
case 4:
orderSelector = d => d.AvgTotal;
break;
default:
orderSelector = d => d.AvgTotal;
break;
}
var q = subjectList.AsQueryable();
var sorted = q.OrderByDescending(orderSelector).Take(10).ToList();
var selectList = new SelectList(_context.SubjectTag, "ID", "Name");
if (tag != -1)
{
var selected = selectList.Where(i => i.Value.Equals(tag.ToString())).First();
selected.Selected = true;
}
ViewData["SubjectTag"] = selectList;
return(View(new SubjectRankingViewModel {
Subjects = sorted, tag = tag, sort = sort
}));
}
/// <summary>
/// SetSubjectObject
/// </summary>
/// <param name="target"></param>
/// <param name="value"></param>
internal static void SetSubjectObject(SubjectDetailView target, SubjectDetailViewModel value)
{
target.SetValue(SubjectObjectProperty, value);
}
