+=item payby_payinfo_pretty
+
+Returns payment method and information (suitably masked, if applicable) as
+a human-readable string, such as:
+
+ Card #54xxxxxxxxxxxx32
+
+or
+
+ Check #119006
+
+=cut
+
+sub payby_payinfo_pretty {
+ my $self = shift;
+ if ( $self->payby eq 'CARD' ) {
+ 'Card #'. $self->paymask;
+ } elsif ( $self->payby eq 'CHEK' ) {
+ 'E-check acct#'. $self->payinfo;
+ } elsif ( $self->payby eq 'BILL' ) {
+ 'Check #'. $self->payinfo;
+ } elsif ( $self->payby eq 'PREP' ) {
+ 'Prepaid card #'. $self->payinfo;
+ } elsif ( $self->payby eq 'CASH' ) {
+ 'Cash '. $self->payinfo;
+ } elsif ( $self->payby eq 'WEST' ) {
+ 'Western Union'; #. $self->payinfo;
+ } elsif ( $self->payby eq 'MCRD' ) {
+ 'Manual credit card'; #. $self->payinfo;
+ } elsif ( $self->payby eq 'PPAL' ) {
+ 'PayPal transaction#' . $self->order_number;
+ } else {
+ $self->payby. ' '. $self->payinfo;
+ }
+}
+
+=item payinfo_used [ PAYINFO ]
+
+Returns 1 if there's an existing payment using this payinfo. This can be
+used to set the 'recurring payment' flag required by some processors.
+
+=cut