public async Task <IActionResult> Edit(int id, ProgramClientVM viewmodel)
{
if (id != viewmodel.Program.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(viewmodel.Program);
await _context.SaveChangesAsync();
IEnumerable <int> listClients = viewmodel.SelectedClients;
IQueryable <ClientProgram> toBeRemoved = _context.ClientProgram.Where(s => !listClients.Contains(s.ClientId) && s.ProgramId == id);
_context.ClientProgram.RemoveRange(toBeRemoved);
IEnumerable <int> existClients = _context.ClientProgram.Where(s => listClients.Contains(s.ClientId) && s.ProgramId == id).Select(s => s.ClientId);
IEnumerable <int> newClients = listClients.Where(s => !existClients.Contains(s));
foreach (int actorId in newClients)
{
_context.ClientProgram.Add(new ClientProgram {
ClientId = actorId, ProgramId = id
});
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ProgramsExists(viewmodel.Program.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["CoachId"] = new SelectList(_context.Coaches, "CoachId", "FullName", viewmodel.Program.Id);
return(View(viewmodel));
}
// GET: Programs/Edit/5
public IActionResult Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var programs = _context.Programs.Where(m => m.Id == id).Include(m => m.Enrollments).First();
if (programs == null)
{
return(NotFound());
}
ProgramClientVM viewmodel = new ProgramClientVM
{
Program = programs,
ClientsList = new MultiSelectList(_context.Clients.OrderBy(s => s.FullName), "Id", "FullName"),
SelectedClients = programs.Enrollments.Select(sa => sa.Id)
};
ViewData["CoachId"] = new SelectList(_context.Coaches, "CoachId", "FullName", programs.CoachId);
return(View(viewmodel));
}
