public async Task <IActionResult> AddCouponToUser(int couponID)
{
Guid userID = new Guid(User.FindFirst(ClaimTypes.NameIdentifier)?.Value);
if (!await userRepository.UserExistsAsync(userID))
{
return(UnprocessableEntity("User not exist!"));
}
var coupon = await couponRepository.GetCouponAsync(couponID);
if (coupon == null || coupon.IsDeleted)
{
return(UnprocessableEntity("Coupon not exist!"));
}
if (coupon.CouponCount <= 0)
{
return(BadRequest("Coupon is not enough"));
}
var couponUser = await couponRepository.AddCouponToUserAsync(couponID, userID);
if (couponUser == null)
{
return(Conflict("Get coupon failed, maybe try again later"));
}
var dtoToReturn = mapper.Map <CouponUserDto>(couponUser);
return(CreatedAtRoute(nameof(GetCouponOfUser), new { couponID, userID }, dtoToReturn));
}
