public IActionResult CheckOut([FromBody] CheckoutCardOptions options)
{
var res = _cards.CheckOut(options);
return(Json(res));
}
public ApiResult <CheckoutCardOptions> CheckOut(CheckoutCardOptions options)
{
try {
if (options == null)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.BadRequest,
ErrorText = $"Null {nameof(options)}"
});
}
if (string.IsNullOrWhiteSpace(options.CardNumber))
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.BadRequest,
ErrorText = $"Null or empty {nameof(options.CardNumber)}"
});
}
var now = DateTime.Today;
int ExpirationMonth = int.Parse(options.ExpirationMonth);
int ExpirationYear = int.Parse(options.ExpirationYear);
if (ExpirationMonth == 0 || ExpirationMonth > 12)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.BadRequest,
ErrorText = $"invalid expiration data"
});
}
if (options.Amount <= 0)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.BadRequest,
ErrorText = $"Invalid {nameof(options.Amount)}"
});
}
var r = GetByNumber(options.CardNumber);
if (r.Code != ApiResultCode.Success)
{
return(new ApiResult <CheckoutCardOptions> {
Code = r.Code, ErrorText = r.ErrorText
});
}
var card = r.Data;
if (card.Expiration.Year != ExpirationYear || card.Expiration.Month != ExpirationMonth)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"Transaction denied"
});
}
if (card.Expiration.Year < now.Year || (card.Expiration.Year == now.Year && card.Expiration.Month < now.Month))
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"Card has expired"
});
}
if (!card.Active)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"Card is inactive"
});
}
if (card.Accounts.Count == 0)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"Card has no connected accounts"
});
}
//assume first active account
var account = card.Accounts.AsQueryable().Where(a => a.State == AccountState.Active).SingleOrDefault();
if (account == null)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"no active accounts"
});
}
if (account.Balance < options.Amount)
{
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.Forbidden,
ErrorText = $"Issuficient amount"
});
}
account.Balance -= options.Amount;
_dbContext.SaveChanges();
return(new ApiResult <CheckoutCardOptions> {
Code = ApiResultCode.Success, Data = options
});
}
catch (Exception e) {
return(new ApiResult <CheckoutCardOptions>()
{
Code = ApiResultCode.InternalServerError,
ErrorText = $"General Error {e.Message}" //not for production
});
}
}