public JsonResult UpdateCategory([DataSourceRequest] DataSourceRequest request, CategoryViewModel categoryModel)
{
if (ModelState.IsValid)
{
var existingCategory = this.db.Categories.GetById(categoryModel.Id);
if (existingCategory != null)
{
existingCategory.Name = categoryModel.Name;
this.db.Categories.Update(existingCategory);
this.db.SaveChanges();
}
else
{
ModelState.AddModelError("Category", "This category does not exist anymore and cant' be updated");
}
}
return Json(new[] { categoryModel }.ToDataSourceResult(request), JsonRequestBehavior.AllowGet);
}
public JsonResult CreateCategory([DataSourceRequest] DataSourceRequest request, CategoryViewModel categoryModel)
{
if (string.IsNullOrWhiteSpace(categoryModel.Name))
{
ModelState.AddModelError("Name", "The 'Category Name' field is required");
}
else if (categoryModel.Name.Length < 5 || categoryModel.Name.Length > 255)
{
ModelState.AddModelError("Name", "The 'Category Name' field must between 5 and 255 characters");
}
else
{
var newCategory = new Category()
{
Id = Guid.NewGuid(),
Name = categoryModel.Name
};
this.db.Categories.Add(newCategory);
this.db.SaveChanges();
}
return Json(new[] { categoryModel }.ToDataSourceResult(request), JsonRequestBehavior.AllowGet);
}
