projekt kivitendo

        # use the whole amount of the bank transaction for the invoice, overpay the invoice if necessary

        # this catches credit_notes and negative sales invoices

        if ( $invoice->is_sales && $invoice->amount < 0 ) {

          # $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 =~ m/ap_transaction|purchase_invoice/) {

          # $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;

        }