/// <summary>
/// Creates new shopping cart and all items related to that cart
/// </summary>
private void CreateCart(string userId, List<BitCoupon.API.Models.Item> items, double total)
{
Cart cart = new Cart() { ApplicationUserId = userId, Purchased = "Not Payed", PaymentId = "", TimeOfPurchase = DateTime.Now, TotalPrice = total };
db.Carts.Add(cart);
db.SaveChanges();
var Dbitems = db.Items.ToList();
// generates verification id
for (int i = 0; i < items.Count; i++)
{
BitCoupon.DAL.Models.Item item = new BitCoupon.DAL.Models.Item() { CartId = cart.Id, CouponId = Int32.Parse(items[i].id), Quantity = items[i].quantity, VerificationId = LogicCoupons.GenerateVerificationId(Dbitems), TimeOfPurchase = DateTime.Now };
db.Items.Add(item);
db.SaveChanges();
}
}
public ActionResult Buy(string couponId, string quantity, string userId)
{
var coupon = db.Coupons.Find(Int32.Parse(couponId));
coupon.TotalNumberOfCoupons -= coupon.RequiredNumberOfCoupons * Int32.Parse(quantity); //reduce amount of coupons bought
if (coupon.TotalNumberOfCoupons < 0)
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
coupon.Purchase++; //increse purchase coupon
if (coupon.NuberOfCouponsToOfferManaged > 0)
coupon.NuberOfCouponsToOfferManaged -= coupon.RequiredNumberOfCoupons;
Cart cart = new Cart() { ApplicationUserId = userId, Purchased = "Payed", PaymentId = "", TimeOfPurchase = DateTime.Now, TotalPrice = coupon.Price };
db.Entry(coupon).State = EntityState.Modified;
db.Carts.Add(cart);
db.SaveChanges();
var items = db.Items.ToList();
Item item = new Item() { CartId = cart.Id, CouponId = coupon.CouponId, Quantity = Int32.Parse(quantity), VerificationId = LogicCoupons.GenerateVerificationId(new List<Item>(items)), TimeOfPurchase = DateTime.Now};
db.Items.Add(item);
db.SaveChanges();
if (coupon.TotalNumberOfCoupons > 0) //if there is still coupons to buy return OK
return new HttpStatusCodeResult(HttpStatusCode.OK);
coupon.Acitve = false; //else deactivate coupon
db.Entry(coupon).State = EntityState.Modified;
db.SaveChanges();
return new HttpStatusCodeResult(HttpStatusCode.OK);
}