public IActionResult UpdateColour([FromBody] ColourViewModel model)
{
if (ModelState.IsValid)
{
try
{
var result = ManageSiteHelper.AddColour(model, _context);
if (result == UpdateResult.Error)
{
throw new Exception("Colour couldn't be updated.");
}
else if (result == UpdateResult.Duplicate)
{
throw new Exception("Colour already exists.");
}
return(ControllerHelper.ReturnResult(UpdateResult.Success));
}
catch (System.Exception ex)
{
StatusMessage = "An Error occured; " + ex.Message;
}
}
model.StatusMessage = StatusMessage;
return(ControllerHelper.ReturnResult(UpdateResult.Error, StatusMessage));
}
public MainWindow()
{
ColourViewModel cvm = new ColourViewModel();
viewModel = cvm;
this.DataContext = ViewModel;
InitializeComponent();
}
// GET: /<controller>/
public IActionResult Colour(string statusMessage = null, string successMessage = null, string failureMessage = null)
{
var viewModel = new ColourViewModel()
{
Colours = _context.Colours.OrderBy(x => x.Value).ToList(),
SuccessMessage = successMessage,
StatusMessage = statusMessage,
FailureMessage = failureMessage
};
return(View(viewModel));
}
public IActionResult Colour(ColourViewModel model)
{
string failureMessage = null;
string successMessage = null;
var redirectUrl = "/ManageSite/Colour";
if (ModelState.IsValid)
{
var result = ManageSiteHelper.AddColour(model, _context);
if (result == UpdateResult.Error)
{
failureMessage = "Colour couldn't be updated.";
}
else if (result == UpdateResult.Success)
{
successMessage = "Colour updated.";
}
else if (result == UpdateResult.Duplicate)
{
failureMessage = "Colour already exists.";
}
}
if (!string.IsNullOrWhiteSpace(failureMessage))
{
redirectUrl += string.Format("?failureMessage={0}", failureMessage);
}
if (!string.IsNullOrWhiteSpace(successMessage))
{
redirectUrl += string.Format("?successMessage={0}", successMessage);
}
return(ControllerHelper.RedirectToLocal(this, redirectUrl));
}
public static UpdateResult AddColour(ColourViewModel model, GustafsGalleryStoreContext context)
{
try
{
if (model.Id == 0)
{
var colour = new Colour()
{
Value = model.Colour
};
List <Colour> colours = new List <Colour>();
colours = context.Colours.Where(x => x.Value == model.Colour).ToList();
if (colours.Count > 0)
{
return(UpdateResult.Duplicate);
}
context.Add(colour);
}
else
{
var inDb = context.Colours.Where(x => x.Id == model.Id).SingleOrDefault();
inDb.Value = model.Colour;
context.Update(inDb);
}
context.SaveChanges();
return(UpdateResult.Success);
}
catch
{
return(UpdateResult.Error);
}
}
public MainWindow(ColourViewModel vm)
{
viewModel = vm;
this.DataContext = ViewModel;
InitializeComponent();
}
