public IActionResult SetAssignment(Lista lista)
{
ZajeciaDB zaj = new ZajeciaDB(lista.selectedSlot);
zaj.slot = Convert.ToInt32(lista.slotid);
lista.selectedSlot = System.Text.Json.JsonSerializer.Deserialize <Zajecia>(lista.jsonString);
using (var db = new MyContext())
{
Lista.mutex.WaitOne();
if (db.assignments.Any(ass => ass.GroupID == zaj.group && (ass.TeacherID == zaj.teacher || ass.SubjectID == zaj.subject)))
{
Lista.mutex.ReleaseMutex();
return(View("TeacherUnassignable", new Err()
{
what = lista.what, selectedItem = lista.selectedItem
}));
}
db.assignments.Add(new Assignment()
{
TeacherID = zaj.teacher,
GroupID = zaj.group,
SubjectID = zaj.subject
});
db.SaveChanges();
Lista.mutex.ReleaseMutex();
lista.selectedSlot.@class = db.subjects.Find(zaj.subject).name;
}
try
{
lista.changeSlot(lista.selectedSlot);
}
catch (Exception e)
{
if (e.Message[0] != '1')
{
throw e;
}
return(View("UpdateError", new Err()
{
what = lista.what, selectedItem = lista.selectedItem
}));
}
Lista model = new Lista()
{
what = lista.what, selectedItem = lista.selectedItem
};
getSlotGroups(model);
return(View("Index", model));
}
public IActionResult ChangeSlot(Lista lista)
{
lista.selectedSlot.slot = Convert.ToInt32(lista.slotid);
ZajeciaDB zaj = new ZajeciaDB(lista.selectedSlot);
using (var db = new MyContext())
{
if (!db.assignments.Any(ass => ass.TeacherID == zaj.teacher && ass.GroupID == zaj.group))
{
lista.jsonString = System.Text.Json.JsonSerializer.Serialize(lista.selectedSlot);
lista.listy = new Listy();
var subjects = db.subjects.ToList();
foreach (var it in subjects)
{
if (!db.assignments.Any(ass => ass.GroupID == zaj.group && ass.SubjectID == it.SubjectID))
{
lista.listy.groups.Add(it.name);
}
}
if (!lista.listy.groups.Any())
{
return(View("TeacherUnassignable", new Err()
{
what = lista.what, selectedItem = lista.selectedItem
}));
}
return(View("TeacherError", lista));
}
zaj.subject = db.assignments.Single(ass => ass.GroupID == zaj.group && ass.TeacherID == zaj.teacher).SubjectID;
lista.selectedSlot.@class = db.subjects.Find(zaj.subject).name;
}
try
{
lista.changeSlot(lista.selectedSlot);
}
catch (Exception e)
{
if (e.Message[0] != '1')
{
throw e;
}
return(View("UpdateError", new Err()
{
what = lista.what, selectedItem = lista.selectedItem
}));
}
getSlotGroups(lista);
return(View("Index", lista));
}
