//Render the Page for Coupon Validation
public ActionResult RedeemCoupon()
{
var userId = User.Identity.GetUserId();
var getUser = _context.Users.Include(c => c.Merchant).FirstOrDefault(c => c.Id == userId);
var viewModel = new MerchantRedeemViewModel()
{
MerchantId = getUser.Merchant.MerchantID
};
return(View(viewModel));
}
//Method called via ajax to validate coupon
public ActionResult Validate(MerchantRedeemViewModel viewModel)
{
dynamic showMessage = string.Empty;
var getResults = ValidateCoupon(viewModel);
showMessage = new
{
statusCode = 200,
Message = getResults,
Code = viewModel.CouponCode
};
return(Json(data: showMessage, behavior: JsonRequestBehavior.AllowGet));
}
private string ValidateCoupon(MerchantRedeemViewModel model)
{
//1.Check if coupon code exist for this merchant
var checkCoupon = _context.ProductionCodes.Include(c => c.Offers)
.FirstOrDefault(c => c.CouponCode.Replace("-", "") == model.CouponCode.Replace("-", "") && c.IsUsed == false && c.IsActive == true && c.Offers.MerchantID == model.MerchantId);
//check if service pack
var getMerchantId = User.Identity.GetUserId();
var getMerchant = _context.Merchants.Include(p => p.Package).FirstOrDefault(c => c.MerchantID == getMerchantId);
if (getMerchant.Package == null)
{
return("You need to purchase a service pack.");
}
else
{
//Check if all validatation calls have been used
if (getMerchant.ValidationCallsMade >= getMerchant.Package.Quantity)
{
return("Insufficient Validation Calls.");
}
}
if (checkCoupon == null)
{
return("Invalid Coupon");
}
//Check if max coupons used
if (checkCoupon.Offers.TotalOffer == checkCoupon.Offers.CouponUsed)
{
return("Offer Coupon Exhausted");
}
//Check if coupon expires
var getPurchaseDate = checkCoupon.PurchaseDate;
//var addOneDay = checkCoupon.PurchaseDate.Value.AddHours(24);
//add five minutes for testing
var addOneDay = checkCoupon.PurchaseDate.Value.AddMinutes(5);
if (addOneDay < DateTime.Now)
{
return("Coupon Expired.");
}
//Increment coupons used
checkCoupon.Offers.CouponUsed += 1;
checkCoupon.IsUsed = true;
//Increment Calls Made
if (getMerchant.ValidationCallsMade == null)
{
getMerchant.ValidationCallsMade = 1;
}
else
{
getMerchant.ValidationCallsMade += 1;
}
//insert redeemedCoupons
_context.RedeemedCoupons.Add(new RedeemedCoupon
{
MerchantId = model.MerchantId,
OfferId = checkCoupon.OfferId.Value,
RedeemDate = DateTime.Now
});
//save changes to the database
_context.SaveChanges();
return("Valid Coupon");
}
