public async Task <IActionResult> Edit(int id, TermPatientEditViewModel viewmodel)
{
if (id != viewmodel.Term.TermID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(viewmodel.Term);
await _context.SaveChangesAsync();
IEnumerable <int> listPatients = viewmodel.SelectedPatients;
IQueryable <PatientTerm> toBeRemoved = _context.PatientTerm.Where(s => !listPatients.Contains(s.PatientId) && s.TermId == id);
_context.PatientTerm.RemoveRange(toBeRemoved);
IEnumerable <int> existPatients = _context.PatientTerm.Where(s => listPatients.Contains(s.PatientId) && s.TermId == id).Select(s => s.PatientId);
IEnumerable <int> newPatients = listPatients.Where(s => !existPatients.Contains(s));
foreach (int patientId in newPatients)
{
_context.PatientTerm.Add(new PatientTerm {
PatientId = patientId, TermId = id
});
}
}
catch (DbUpdateConcurrencyException)
{
if (!TermsExists(viewmodel.Term.TermID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["DoctorId"] = new SelectList(_context.Doctors, "DoctorId", "FullName", viewmodel.Term.DoctorId);
return(View(viewmodel));
}
// GET: Terms/Edit/5
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var terms = _context.Terms.Where(m => m.TermID == id).Include(m => m.Patients).First();
if (terms == null)
{
return(NotFound());
}
TermPatientEditViewModel viewmodel = new TermPatientEditViewModel
{
Term = terms,
PatientList = new MultiSelectList(_context.Patients.OrderBy(s => s.FullName), "Id", "FullName"),
SelectedPatients = terms.Patients.Select(sa => sa.PatientID)
};
ViewData["DoctorId"] = new SelectList(_context.Doctors, "DoctorId", "FullName", terms.DoctorId);
return(View(viewmodel));
}
