public async Task <ActionResult> Edit(int id, EditConceptViewModel editConceptViewModel)
{
try
{//first or default takes a call-back function
var concept = await _context.Concepts
.Include(c => c.Descriptions)
.Include(c => c.UsefulLinks)
.FirstOrDefaultAsync(concept => concept.Id == id);
concept.Name = editConceptViewModel.ConceptName;
//this is updating the lists with new list and it updates the links/descriptions database
concept.UsefulLinks = editConceptViewModel.Links;
concept.Descriptions = editConceptViewModel.Descriptions;
concept.Id = id;
//this is what edits the concept in the database.
_context.Concepts.Update(concept);
await _context.SaveChangesAsync();
//the , new Id lets you grab the software id and include it in the route
return(RedirectToAction(nameof(Index), new { id = concept.SoftwareLanguageId }));
}
catch (Exception ex)
{
return(View());
}
}
// GET: Concept/Edit/5
public async Task <ActionResult> Edit(int id)
{
var viewModel = new EditConceptViewModel();
var user = await GetCurrentUserAsync();
var descriptions = await _context
.Descriptions.Where(d => d.ConceptId == id).ToListAsync();
var links = await _context
.UsefulLinks.Where(l => l.ConceptId == id).ToListAsync();
var concept = await _context.Concepts.FindAsync(id);
viewModel.ConceptName = concept.Name;
viewModel.Descriptions = descriptions;
viewModel.Links = links;
viewModel.ConceptId = id;
return(View(viewModel));
}
