// GET: Rankings/Create
public async Task <IActionResult> Create(int id)
{
CreateRankingViewModel vm = new CreateRankingViewModel();
// Add the student's id to the view model
vm.Student = await _context.Student.Where(s => s.Id == id).FirstOrDefaultAsync();
vm.Companies = await _context.Company.Select(c => new SelectListItem()
{
Value = c.Id.ToString(),
Text = c.Name
}).ToListAsync();
return(View(vm));
}
public async Task <IActionResult> Create(CreateRankingViewModel vm)
{
if (ModelState.IsValid)
{
try
{
// Wipe out previous rankings and start fresh so that each student has only one set of rankings
var previousRankings = _context.Ranking.Where(r => r.StudentId == vm.Student.Id);
await previousRankings.ForEachAsync(pr => _context.Remove(pr));
await _context.SaveChangesAsync();
List <Ranking> Rankings = new List <Ranking>()
{
vm.Place1, vm.Place2, vm.Place3, vm.Place4, vm.Place5
};
for (var i = 0; i < Rankings.Count; i++)
{
// TODO: Refactor, this is fragile
var r = Rankings[i];
r.Rank = i + 1;
r.StudentId = vm.Student.Id;
_context.Ranking.Add(r);
}
await _context.SaveChangesAsync();
return(RedirectToAction("Index", "Students"));
}
catch (Exception e)
{
return(View(vm));
};
}
else
{
return(View(vm));
}
}
