public bool RecalculateTransaction(Dictionary <int, Int64> nominalTransaction, Person loggingPerson)
{
bool changedTransaction = false;
// We need to create a delta. This is... somewhat complicated.
// 1) Iterate over the rows to build a "current" transaction record.
// 2) Create a "should-look-like" transaction record. (done in calling routine, already).
// 3) Apply the delta, in two steps.
Dictionary <int, Int64> currentTransaction = GetRecalculationBase();
FinancialTransaction continuedTransaction = ContinuedTransaction;
if (continuedTransaction != null)
{
continuedTransaction.AddContinuedTransactionsToLookup(currentTransaction);
// Recurses to all continued transactions
}
// Step 2: create an image of what the transaction SHOULD look like with changes.
// now done in calling routine.
// Step 3a: For all accounts existing in Current but not in Nominal, set them to 0, and
// vice versa.
foreach (int accountId in currentTransaction.Keys)
{
if (!nominalTransaction.ContainsKey(accountId))
{
nominalTransaction[accountId] = 0;
}
}
foreach (int accountId in nominalTransaction.Keys)
{
if (!currentTransaction.ContainsKey(accountId))
{
currentTransaction[accountId] = 0;
}
}
// Step 3b: Iterate over all accounts in the two sets -- which now has the same keys --
// and apply the delta to the transaction.
foreach (int accountId in currentTransaction.Keys)
{
if (currentTransaction[accountId] != nominalTransaction[accountId])
{
AddRow(accountId, nominalTransaction[accountId] - currentTransaction[accountId],
loggingPerson == null ? 0 : loggingPerson.Identity);
changedTransaction = true;
}
}
return(changedTransaction);
}
private void AddContinuedTransactionsToLookup(Dictionary <int, Int64> currentTransactionData)
{
FinancialTransaction continuedTransaction = ContinuedTransaction;
if (continuedTransaction != null)
{
continuedTransaction.AddContinuedTransactionsToLookup(currentTransactionData);
}
foreach (FinancialTransactionRow row in Rows)
{
if (!currentTransactionData.ContainsKey(row.FinancialAccountId))
{
currentTransactionData[row.FinancialAccountId] = 0;
}
currentTransactionData[row.FinancialAccountId] += row.AmountCents;
}
}
