- } elsif (( $invoice->is_sales && $invoice->invoice_type eq 'credit_note' ) ||
- (!$invoice->is_sales && $invoice->invoice_type eq 'ap_transaction' )) {
- # no check for overpayment/multiple payments
- $invoice->pay_invoice(chart_id => $bank_transaction->local_bank_account->chart_id,
- trans_id => $invoice->id,
- amount => $invoice->open_amount,
- payment_type => $payment_type,
- source => $source,
- memo => $memo,
- transdate => $bank_transaction->transdate->to_kivitendo);
- } else { # use the whole amount of the bank transaction for the invoice, overpay the invoice if necessary
+ } else {
+ # use the whole amount of the bank transaction for the invoice, overpay the invoice if necessary
+
+ if ( $invoice->is_sales && $invoice->invoice_type eq 'credit_note' ) {
+ # $invoice->open_amount is negative for credit_notes
+ # $bank_transaction->amount is negative for outgoing transactions
+ # so $amount_of_transaction is negative but needs positive
+ $amount_of_transaction *= -1;
+
+ } elsif (!$invoice->is_sales && $invoice->invoice_type eq 'ap_transaction' ) {
+ # $invoice->open_amount may be negative for ap_transaction but may be positiv for negativ ap_transaction
+ # if $invoice->open_amount is negative $bank_transaction->amount is positve
+ # if $invoice->open_amount is positive $bank_transaction->amount is negative
+ # but amount of transaction is for both positive
+ $amount_of_transaction *= -1 if $invoice->open_amount == - $amount_of_transaction;
+ }
+