public async Task <IActionResult> EditPost(CategoryPlusErrorMsgViewModel categoryVM)
{
if (ModelState.IsValid)
{
var cat = await _db.Categories.FindAsync(categoryVM.Category.Id);
if (cat == null)
{
return(NotFound());
}
var doesCategoryExists = await _db.Categories.FirstOrDefaultAsync(c => c.Name == categoryVM.Category.Name);
if (doesCategoryExists != null)
{
categoryVM.StatusMessage = "Error : Category " + doesCategoryExists.Name + " exists! Please use another name.";
return(View(categoryVM)); //category exists...
}
else
{
cat.Name = categoryVM.Category.Name;
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
return(View(categoryVM));
}
//Edit Get
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var category = await _db.Categories.FindAsync(id);
if (category == null)
{
return(NotFound());
}
CategoryPlusErrorMsgViewModel model = new CategoryPlusErrorMsgViewModel();
model.Category = category;
model.StatusMessage = null;
return(View(model));
}