public IEnumerable <IResult> DeleteTransaction(int transactionId)
{
yield return(Show.Busy(new BusyScreen {
Message = "Deleting..."
}));
// Remove transaction on server
var request = new DeleteTransactionResult(userId, CurrentAccount.Id, transactionId);
yield return(request);
// Remove transaction locally
var transactionToDelete = TransactionRecords.Where(record => record.TransactionId == transactionId).Single();
var index = TransactionRecords.IndexOf(transactionToDelete);
TransactionRecords.Remove(transactionToDelete);
// Correct remained balance for following transactions
if (TransactionRecords.Count > 0 && index < TransactionRecords.Count)
{
var deletedAmount = transactionToDelete.Income > 0
? -transactionToDelete.Income
: transactionToDelete.Expense;
for (int i = index; i < TransactionRecords.Count; i++)
{
TransactionRecords[i].Balance += deletedAmount;
}
}
yield return(Show.NotBusy());
}
public IEnumerable <IResult> DeleteTransaction(PostingRecord transactionRecord)
{
var openConfirmationResult = new OpenConfirmationResult(eventAggregator)
{
Message =
string.Format(Resources.Strings.PostingViewModelBase_DeleteConfirmation_Message, transactionRecord.TransactionId),
Title = Resources.Strings.PostingViewModelBase_DeleteConfirmation_Title,
Options = MessageBoxOptions.Yes | MessageBoxOptions.Cancel,
};
yield return(openConfirmationResult);
if (openConfirmationResult.Selected == MessageBoxOptions.Yes)
{
// Load transaction from server (used below to determine if the deleted posting was transfer)
var request = new GetPostingResult(AccountId, transactionRecord.TransactionId, eventAggregator);
yield return(request);
// Remove transaction on server
var request2 = new DeleteTransactionResult(AccountId,
transactionRecord.TransactionId);
yield return(request2);
// Update accounts balance
accountsRepository.Download(AccountId);
// Update category usage
if (transactionRecord.Category != null)
{
categoriesRepository.Download(transactionRecord.Category.Id);
}
// For transfer the 2-nd account should also be updated
if (request.Transaction is TransferDTO)
{
int secondAccountId = ((TransferDTO)request.Transaction).SecondAccountId.Value;
accountsRepository.Download(secondAccountId);
}
// Remove transaction locally
var transactionToDelete =
TransactionRecords.Where(record => record.TransactionId == transactionRecord.TransactionId).Single();
var index = TransactionRecords.IndexOf(transactionToDelete);
TransactionRecords.Remove(transactionToDelete);
// Correct remained balance for following transactions
if (TransactionRecords.Count > 0 && index < TransactionRecords.Count)
{
var deletedAmount = transactionToDelete.Income > 0
? -transactionToDelete.Income
: transactionToDelete.Expense;
for (int i = index; i < TransactionRecords.Count; i++)
{
((PostingRecord)TransactionRecords[i]).Balance += deletedAmount;
}
}
}
}