public IActionResult Edit(int id, EditConcentrationViewModel vm)
{
//Make sure the model state is valid
if (!ModelState.IsValid)
{
return(View("Edit", vm));
}
Concentration concentration;
// If we are adding a concentration
if (id == -1)
{
concentration = new Concentration
{
Name = vm.Title
};
_context.UpdateConcentration(-1, concentration);
}
else //Editing a concentration
{
concentration = _context.ReadConcentration(id);
concentration.Name = vm.Title;
_context.UpdateConcentration(id, concentration);
}
return(RedirectToAction("Index"));
}
/// <summary>
/// IAction method for returning an addition view
/// </summary>
/// <returns></returns>
public IActionResult Add()
{
//Create view model with -1 as id to signify we are adding a concentration
var vm = new EditConcentrationViewModel();
vm.Id = -1;
return(View("Edit", vm));
}
/// <summary>
/// IAction method for handling returning an edit view
/// </summary>
/// <param name="id">Id for a concentration</param>
/// <param name="read"></param>
/// <returns>Handles read only instructions</returns>
public IActionResult Edit(int id, bool read = false)
{
var concentration = _context.ReadConcentration(id);
var vm = new EditConcentrationViewModel
{
ReadOnly = read,
Id = concentration.Id,
Title = concentration.Name
};
return(View(vm));
}