public async Task <IActionResult> Create(int id, RankingViewModel vm)
{
//removing userid from state to make modelstate valid
ModelState.Remove("Rank.UserId");
if (ModelState.IsValid)
{
//setting user and user id to current user
var user = await GetCurrentUserAsync();
vm.rank.UserId = user.Id;
// a new ranking level instance in view model
vm.rankingLevel = new RankingLevel();
_context.Add(vm.rank);
await _context.SaveChangesAsync();
//if the user selected one or more levels for learning materials add one or more ranking levels to database join table
if (vm.SelectedLevelId != null)
{
foreach (var rl in vm.SelectedLevelId)
{
var newRankingLevel = new RankingLevel();
newRankingLevel.RankingId = vm.rank.Id;
newRankingLevel.LevelId = rl;
_context.Add(newRankingLevel);
}
}
await _context.SaveChangesAsync();
return(RedirectToAction("Index", "LearningMaterials"));
}
return(View(vm));
}
public async Task <IActionResult> Edit(int id, RankingViewModel vm)
{
//makes sure that the rank exists
if (id != vm.rank.Id)
{
return(NotFound());
}
ModelState.Remove("UserId");
if (ModelState.IsValid)
{
try
{
var user = await GetCurrentUserAsync();
vm.rank.UserId = user.Id;
_context.Update(vm.rank);
await _context.SaveChangesAsync();
if (vm.SelectedLevelId != null)
{
foreach (var rl in vm.SelectedLevelId)
{
var newRankingLevel = new RankingLevel();
newRankingLevel.RankingId = vm.rank.Id;
newRankingLevel.LevelId = rl;
_context.Update(newRankingLevel);
}
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!RankingExists(vm.rank.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index", "LearningMaterials"));
}
return(View(vm));
}
