public IActionResult Create(CategoryViewModel model)
{
CategoryViewModel viewModel = null;
try
{
if(!ModelState.IsValid)
throw new Exception("The Category model is not valid!");
_libraryContext.Categories.Add(model.Category);
if (_libraryContext.SaveChanges() == 0)
{
throw new Exception("The Category model could not be saved!");
}
//Success(CreateMessage(ControllerActionType.Create, "library", model.Name), true);
return RedirectToAction("Index");
}
catch(Exception ex)
{
ModelState.AddModelError(string.Empty, "Unable to save changes.");
viewModel = new CategoryViewModel
{
Category = model.Category,
Categories = _libraryContext.Categories.AsEnumerable().OrderBy(m => m.Name)
};
}
return View(viewModel);
}
public IActionResult Create()
{
var model = new CategoryViewModel
{
Category = new Category(),
Categories = _libraryContext.Categories.AsEnumerable().OrderBy(m => m.Name)
};
return View(model);
}
public IActionResult Edit(CategoryViewModel model)
{
try
{
if(!ModelState.IsValid)
throw new Exception("The Category model is not valid!");
var originalModel = _libraryContext.Categories.FirstOrDefault(m => m.Id == model.Category.Id);
if(originalModel == null)
throw new Exception("The existing Category: " + model.Category.Name + " doesn't exists anymore!");
originalModel.Name = model.Category.Name;
originalModel.Description = model.Category.Description;
originalModel.ParentCategoryId = model.Category.ParentCategoryId;
_libraryContext.Categories.Attach(originalModel);
_libraryContext.Entry(originalModel).State = EntityState.Modified;
if (_libraryContext.SaveChanges() == 0)
{
throw new Exception("The Category model could not be saved!");
}
return RedirectToAction("Index");
}
catch(Exception ex)
{
ModelState.AddModelError(string.Empty, "Unable to save changes.");
}
return View(model);
}
public IActionResult Edit(Int16? id)
{
if (id == null)
{
return new HttpStatusCodeResult(400);
}
var model = _libraryContext.Categories.FirstOrDefault(m => m.Id == id);
if(model == null)
{
return RedirectToAction("Index");
}
var viewModel = new CategoryViewModel
{
Category = model,
Categories = _libraryContext.Categories.AsEnumerable().Where(m => m.Id != id).OrderBy(m => m.Name)
};
return View(viewModel);
}