public async Task <IActionResult> Create([Bind("Name,ShortName,Description,FacultyID")] Subject subject, bool isUser, ICollection <int> tags, ICollection <int> professorIDs)
{
subject.Validated = !isUser;
var tagSet = new HashSet <SubjectTagSet>();
var dbTags = _context.SubjectTag.AsNoTracking().Select(t => t.ID).ToList();
foreach (var tagID in tags)
{
if (dbTags.Any(t => t == tagID))
{
var tSet = new SubjectTagSet {
SubjectID = subject.ID, SubjectTagID = tagID
};
tagSet.Add(tSet);
_context.SubjectTagSet.Add(tSet);
}
}
subject.SubjectTagSet = tagSet;
var professorSet = new HashSet <ProfessorSubjectSet>();
var dbProfessors = _context.Professor.AsNoTracking().Select(p => p.ID).ToList();
foreach (var profID in professorIDs)
{
if (dbProfessors.Any(p => p == profID))
{
var pSet = new ProfessorSubjectSet {
ProfessorID = profID, SubjectID = subject.ID
};
professorSet.Add(pSet);
_context.ProfessorSubjectSet.Add(pSet);
}
}
subject.Professors = professorSet;
if (ModelState.IsValid)
{
_context.Add(subject);
await _context.SaveChangesAsync();
return(RedirectToAction("Index"));
}
ViewData["IsUser"] = isUser;
ViewData["FacultyID"] = new SelectList(_context.Faculty, "ID", "Name");
ViewData["ProfessorID"] = new SelectList(_context.Professor, "ID", "FullName");
ViewData["SubjectTag"] = new SelectList(_context.SubjectTag, "ID", "Name");
return(View());
}
public async Task <IActionResult> Edit(int id, [Bind("ID,Name,ShortName,Description,FacultyID")] Subject subject, ICollection <int> professorIDs)
{
if (id != subject.ID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
var professorSet = new HashSet <ProfessorSubjectSet>();
var dbProfessors = _context.Professor.AsNoTracking().Select(p => p.ID).ToList();
foreach (var profID in professorIDs)
{
if (dbProfessors.Any(p => p == profID))
{
var set = new ProfessorSubjectSet {
ProfessorID = profID, SubjectID = subject.ID
};
professorSet.Add(set);
_context.ProfessorSubjectSet.Add(set);
}
}
subject.Professors = professorSet;
_context.Update(subject);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!SubjectExists(subject.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index"));
}
ViewData["FacultyID"] = new SelectList(_context.Faculty, "ID", "ID", subject.FacultyID);
return(View(subject));
}
