public ActionResult Update([DataSourceRequest]DataSourceRequest request, LaptopViewModel laptop)
{
if (laptop != null && ModelState.IsValid)
{
var laptopToUpdate = this.Data.Laptops.GetById(laptop.Id);
if (laptopToUpdate == null)
{
ModelState.AddModelError(
"alert",
"An unexpected error has occurred. The laptop you want to update was not found...");
return Json(ModelState.ToDataSourceResult());
}
laptopToUpdate.Model = laptop.Model.Trim();
laptopToUpdate.HardDiskCapacity = laptop.HardDiskCapacity;
laptopToUpdate.ImageUrl = laptop.ImageUrl;
laptopToUpdate.ManufacturerId = laptop.ManufacturerId;
laptopToUpdate.MonitorSize = laptop.MonitorSize;
laptopToUpdate.Price = laptop.Price;
laptopToUpdate.RamCapacity = laptop.RamCapacity;
this.Data.SaveChanges();
return Json(new object());
}
return Json(ModelState.ToDataSourceResult());
}
public ActionResult Create([DataSourceRequest]DataSourceRequest request, LaptopViewModel laptop)
{
var results = new List<LaptopViewModel>();
if (laptop != null && ModelState.IsValid)
{
var newLaptop = new Laptop()
{
Model = laptop.Model.Trim(),
HardDiskCapacity = laptop.HardDiskCapacity,
ImageUrl = laptop.ImageUrl,
ManufacturerId = laptop.ManufacturerId,
MonitorSize = laptop.MonitorSize,
Price = laptop.Price,
RamCapacity = laptop.RamCapacity
};
this.Data.Laptops.Add(newLaptop);
this.Data.SaveChanges();
results.Add(laptop);
}
return Json(results.ToDataSourceResult(request));
}
public ActionResult Destroy([DataSourceRequest]DataSourceRequest request, LaptopViewModel laptop)
{
if (laptop != null && ModelState.IsValid)
{
var laptopToDelete = this.Data.Laptops.GetById(laptop.Id);
if (laptopToDelete == null)
{
ModelState.AddModelError(
"alert",
"An unexpected error has occurred. The laptop you want to delete was not found...");
return Json(ModelState.ToDataSourceResult());
}
foreach (var vote in laptopToDelete.Votes.ToList())
{
this.Data.Votes.Delete(vote);
}
foreach (var comment in laptopToDelete.Comments.ToList())
{
this.Data.Comments.Delete(comment);
}
this.Data.Laptops.Delete(laptopToDelete);
this.Data.SaveChanges();
}
return Json(new object());
}
