public async Task <ActionResult> AddNewDiscount(AddNewDiscount newDiscount)
{
if (ModelState.IsValid)
{
await _servicesLogic.AddDiscount(newDiscount);
return(RedirectToAction("Index"));
}
SelectList services = new SelectList(_servicesLogic.GetServicesFromDb(), "ServiceId", "ServiceName");
ViewBag.Services = services;
return(View("AddNewDiscountWindow"));
}
public async Task AddDiscount(AddNewDiscount newDiscount)
{
var service = await _db.Services.Include(s => s.Discount).FirstOrDefaultAsync(s => s.ServiceId == newDiscount.ServiceId);
if (service.Discount != null)
{
_db.Discounts.Remove(service.Discount);
}
service.Discount = new Discount()
{
Value = newDiscount.DiscountValue,
FinishDate = newDiscount.FinishDate,
StartDate = newDiscount.StartDate
};
service.PriceWithDiscount = GetNewPriceWithDiscount(service.Price, service.Discount.Value);
_db.Entry(service).State = EntityState.Modified;
await _db.SaveChangesAsync();
}