public async Task <Card> RetrieveCardAsync(RetrieveCardOptions options)
{
var dbCard = await _dbContext.Set <Card>()
.Where(c => c.CardNumber == options.CardNumber)
.SingleOrDefaultAsync();
return(dbCard);
}
public async Task <IActionResult> GetCard(string cardNumber)
{
RetrieveCardOptions options = new RetrieveCardOptions
{
CardNumber = cardNumber
};
var card = await _card.RetrieveCardAsync(options);
return(Json(card));
}
public async Task <Card> AuthorizeAsync(AuthorizeOptions options)
{
if (string.IsNullOrWhiteSpace(options?.CardNumber))
{
return(null);
}
var intTransactionType = int.Parse(options?.IntTranType.ToString());
var isDefined = Enum.IsDefined(typeof(TransactionType), intTransactionType);
if (!isDefined)
{
return(null);
}
if (options?.TransactionAmount == null)
{
return(null);
}
if (options?.TransactionAmount == 0)
{
return(null);
}
RetrieveCardOptions cardOptions = new RetrieveCardOptions()
{
CardNumber = options.CardNumber
};
var card = await RetrieveCardAsync(cardOptions);
if (card != null)
{
if ((card.CardLimits) == null || ((card.CardLimits) != null && (card.CardLimits.Count < 2)))
{
if ((options.TransactionAmount <= 1500M) && ((TransactionType)options.IntTranType == TransactionType.CardPresent))
{
var newLimit = new Limit();
newLimit.TranType = TransactionType.CardPresent;
newLimit.LimitDate = DateTimeOffset.Now.Date;
newLimit.TranTypeLimit = 1500M;
newLimit.TranTypeBalance = options.TransactionAmount;
card.CardLimits.Add(newLimit);
card.CurrentBalance += options.TransactionAmount;
}
else if ((options.TransactionAmount <= 500M) && ((TransactionType)options.IntTranType == TransactionType.Ecommerce))
{
var newLimit = new Limit();
newLimit.TranType = TransactionType.Ecommerce;
newLimit.LimitDate = DateTimeOffset.Now.Date;
newLimit.TranTypeLimit = 500M;
newLimit.TranTypeBalance = options.TransactionAmount;
card.CardLimits.Add(newLimit);
card.CurrentBalance += options.TransactionAmount;
}
else
{
return(null);
}
}
else
{
foreach (var item in card.CardLimits)
{
if (item.TranType == (TransactionType)intTransactionType)
{
if (item.LimitDate == DateTimeOffset.Now.Date)
{
if (item.TranTypeBalance + options.TransactionAmount <= item.TranTypeLimit)
{
item.TranTypeBalance = item.TranTypeBalance + options.TransactionAmount;
card.CurrentBalance += options.TransactionAmount;
}
else
{
return(null);
}
}
else
{
if (options.TransactionAmount <= item.TranTypeLimit)
{
item.LimitDate = DateTimeOffset.Now.Date;
item.TranTypeBalance = options.TransactionAmount;
card.CurrentBalance += options.TransactionAmount;
}
else
{
return(null);
}
}
}
}
}
_dbContext.Update(card);
_dbContext.SaveChanges();
return(card);
}
else
{
return(null);
}
}