internal void UpdateQuizUnit(int id, EditQuizUnitVM newModel)
{
var oldQuizUnit = QuizUnit
.Single(q => q.QuizUnitId == id);
oldQuizUnit.InfoTextHeader = newModel.QuizUnitHeader;
oldQuizUnit.InfoTextContent = newModel.QuizUnitContent;
oldQuizUnit.Order = newModel.Order;
oldQuizUnit.CategoryId = newModel.SelectedCategoryId;
SaveChanges();
}
internal EditQuizUnitVM GetEditQuizUnitVMById(int id)
{
var q = QuizUnit
.SingleOrDefault(c => c.QuizUnitId == id);
EditQuizUnitVM model = new EditQuizUnitVM
{
QuizUnitHeader = q.InfoTextHeader,
QuizUnitContent = q.InfoTextContent,
Order = q.Order,
SelectedCategoryId = (int)q.CategoryId,
Categories = Category.Select(c => new SelectListItem
{
Text = c.Title,
Value = c.CategoryId.ToString(),
})
.ToArray(),
};
return(model);
}
public IActionResult EditQuizUnit(int id, EditQuizUnitVM model)
{
context.UpdateQuizUnit(id, model);
return(RedirectToAction(nameof(Index)));
}
public IActionResult EditQuizUnit(int id)
{
EditQuizUnitVM model = context.GetEditQuizUnitVMById(id);
return(View(model));
}
