public async Task <ImportResultViewModel> ProcessFile(Stream stream)
{
var result = new ImportResultViewModel
{
LinesImported = 0,
LinesIgnored = new List <string>()
};
var linesProcessed = 1;
using (var reader = new CSVTransactionReader(stream))
{
var tran = new TransactionViewModel();
while (await reader.ReadTransactionAsync(tran))
{
TransactionValidation.Validate(tran);
if (tran.IsValid)
{
result.LinesImported++;
_repository.Add(tran.ToTransaction());
}
else
{
result.LinesIgnored.Add($"{linesProcessed} ignored, Reason: {tran.ValidationMessage}.");
}
linesProcessed++;
}
await _repository.SaveChangesAsync();
reader.Close();
}
return(result);
}
public static Transaction ToTransaction(this TransactionViewModel model)
{
TransactionValidation.Validate(model);
return(new Transaction
{
Account = model.Account,
Amount = model.IsValid ? decimal.Parse(model.Amount) : 0,
CurrencyCode = model.CurrencyCode,
Description = model.Description,
ID = model.ID
});
}
public async Task <ActionResult> EditTransaction(TransactionViewModel model)
{
TransactionValidation.Validate(model);
if (model.IsValid)
{
await _transactionService.SaveTransaction(model);
return(RedirectToAction("Transactions"));
}
ModelState.AddModelError("", model.ValidationMessage);
return(View(model));
}
void ValidateTransationObject(Transaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException();
}
var validator = new TransactionValidation();
var results = validator.Validate(transaction);
if (!results.IsValid)
{
throw new ArgumentException();
}
}