public CouponValidationToken ValidateCoupon(int priceLineId, int couponOwnerId, int?courseId, int?bundleId, string couponCode)
{
var result = new CouponValidationToken
{
IsValid = false
, Discount = 0
};
if (string.IsNullOrEmpty(couponCode))
{
result.Message = "coupon code required";
return(result);
}
var code = couponCode.TrimString().OptimizedUrl();
var inst = CouponInstanceRepository.GetMany(x => x.CouponCode.ToLower() == code &&
(
(courseId != null && x.Coupons.CourseId == courseId) ||
(bundleId != null && x.Coupons.BundleId == bundleId) ||
(x.Coupons.OwnerUserId != null && x.Coupons.OwnerUserId == couponOwnerId)
)
).ToList();
if (inst.Count() == 1)
{
return(ValidateCoupon(priceLineId, couponOwnerId, courseId, bundleId, inst[0].Id));
}
result.Message = inst.Count.Equals(0) ? "coupon instance not found" : "multiple coupon instances found. please contact author";
return(result);
}
private bool SaveUniqueCouponInstance(int couponId, string code, out string error)
{
try
{
var entities = CouponInstanceRepository.GetMany(x => x.CouponId == couponId && x.CouponCode == code).ToList();
if (!entities.Any())
{
CouponInstanceRepository.Add((new CouponDTO
{
CouponId = couponId,
CouponCode = code,
UsageLimit = 1
}).CourseCouponDto2CouponInstanceEntity(code));
}
else
{
error = "already exists";
return(false);
}
return(CouponInstanceRepository.UnitOfWork.CommitAndRefreshChanges(out error));
}
catch (Exception ex)
{
error = Utils.FormatError(ex);
return(false);
}
}
private bool SaveCouponInstance(CouponDTO dto, out string error)
{
try
{
var entities = CouponInstanceRepository.GetMany(x => x.CouponId == dto.CouponId).ToList();
if (!entities.Any())
{
CouponInstanceRepository.Add(dto.CourseCouponDto2CouponInstanceEntity());
}
else
{
if (entities.Count().Equals(1))
{
var entity = entities[0];
entity.UpdateCouponInstanceEntity(dto);
}
//else
//{
//TODO ask for logic
//}
}
return(CouponInstanceRepository.UnitOfWork.CommitAndRefreshChanges(out error));
}
catch (Exception ex)
{
error = Utils.FormatError(ex);
return(false);
}
}
private void GetCouponProperties(int couponId, out int usageLimit, out int actualUsage, out string couponCode)
{
var instances = CouponInstanceRepository.GetMany(x => x.CouponId == couponId).ToList();
var ids = instances.Select(i => i.Id).ToList();
usageLimit = instances.Any() ? (instances.Count == 1 ? instances[0].UsageLimit : instances.Count) : 0;
couponCode = instances.Any() ? (instances.Count == 1 ? instances[0].CouponCode : string.Empty) : string.Empty;
actualUsage = instances.Any() ? OrderLineRepository.Count(x => x.CouponInstanceId != null && ids.Contains((int)x.CouponInstanceId)) : 0;
}