public List <string> GetPostCodeLines(string path)
{
var postalCodeLines = new List <string>();
var files = _directory.GetFiles(path);
foreach (var file in files)
{
var lines = _fileIo.ReadAllLines(file).ToList();
foreach (var line in lines)
{
var words = line.Split(' ');
for (var i = 0; i < words.Length; i++)
{
var postCodeDigit = new string(words[i].Where(char.IsDigit).ToArray());
if (postCodeDigit.Length == 4 && i != words.Length)
{
var postCodeAlphabets = new string(words[i + 1].Where(char.IsLetter).ToArray());
if (postCodeAlphabets.Length == 2)
{
var postalCode = $"{postCodeDigit}{postCodeAlphabets}";
// Validate Postal code
var isValidPostalCode = _postCodeValidationService.Validate(postalCode);
if (isValidPostalCode)
{
postalCodeLines.Add(line);
break;
}
}
}
}
}
}
return(postalCodeLines);
}
public IEnumerable <IFraudResult> Check()
{
var orders = _fileIo.ReadAllLines(_settings.FilePath)
.Select(line => line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
.Select(items => new Order
{
OrderId = int.Parse(items[0]),
DealId = int.Parse(items[1]),
Email = items[2].ToLower(),
Street = items[3].ToLower(),
City = items[4].ToLower(),
State = items[5].ToLower(),
ZipCode = items[6],
CreditCard = items[7]
});
// NORMALIZE
var normalizedOrder = _orderNormalizationService.NormalizeOrder(orders).ToList();
// CHECK FRAUD
var fraudResults = _checkFraudService.CheckFraud(normalizedOrder);
return(fraudResults);
}