+=item update_customer
+Updates an existing customer. Passing an empty value clears that field, while NOT passing that key/value at all leaves it alone.
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item secret
+
+API Secret (required)
+
+=item custnum
+
+Customer number (required)
+
+=item first
+
+first name
+
+=item last
+
+last name
+
+=item company
+
+Company name
+
+=item address1
+
+Address line one
+
+=item city
+
+City
+
+=item county
+
+County
+
+=item state
+
+State
+
+=item zip
+
+Zip or postal code
+
+=item country
+
+2 Digit Country Code
+
+=item daytime
+
+Daytime phone number
+
+=item night
+
+Evening phone number
+
+=item fax
+
+Fax number
+
+=item mobile
+
+Mobile number
+
+=item invoicing_list
+
+comma-separated list of email addresses for email invoices. The special value '$
+postal_invoicing
+Set to 1 to enable postal invoicing
+
+=item payby
+
+CARD, DCRD, CHEK, DCHK, LECB, BILL, COMP or PREPAY
+
+=item payinfo
+
+Card number for CARD/DCRD, account_number@aba_number for CHEK/DCHK, prepaid "pi$
+
+=item paycvv
+
+Credit card CVV2 number (1.5+ or 1.4.2 with CVV schema patch)
+
+=item paydate
+
+Expiration date for CARD/DCRD
+
+=item payname
+
+Exact name on credit card for CARD/DCRD, bank name for CHEK/DCHK
+
+=item referral_custnum
+
+Referring customer number
+
+=item salesnum
+
+Sales person number
+
+=item agentnum
+
+Agent number
+
+=back
+
+=cut
+
+sub update_customer {
+
+ my( $class, %opt ) = @_;
+
+ my $conf = new FS::Conf;
+
+
+ my $custnum = $opt{'custnum'}
+ or return { 'error' => "no customer record" };
+
+ my $cust_main = qsearchs('cust_main', { 'custnum' => $custnum } )
+ or return { 'error' => "unknown custnum $custnum" };
+
+ my $new = new FS::cust_main { $cust_main->hash };
+
+ $new->set( $_ => $opt{$_} )
+ foreach grep { exists $opt{$_} } qw(
+ agentnum salesnum refnum agent_custid referral_custnum
+ last first company
+ daytime night fax mobile
+ payby payinfo paydate paycvv payname
+ ),
+
+ my @invoicing_list = $opt{'invoicing_list'}
+ ? split( /\s*\,\s*/, $opt{'invoicing_list'} )
+ : $cust_main->invoicing_list;
+ push @invoicing_list, 'POST' if $opt{'postal_invoicing'};
+
+ if ( exists( $opt{'address1'} ) ) {
+ my $bill_location = FS::cust_location->new({
+ map { $_ => $opt{$_} } @location_editable_fields
+ });
+ $bill_location->set('custnum' => $custnum);
+ my $error = $bill_location->find_or_insert;
+ die $error if $error;
+
+ # if this is unchanged from before, cust_main::replace will ignore it
+ $new->set('bill_location' => $bill_location);
+ }
+
+ if ( exists($opt{'ship_address1'}) ) {
+ my $ship_location = FS::cust_location->new({
+ map { $_ => $opt{"ship_$_"} } @location_editable_fields
+ });
+
+ $ship_location->set('custnum' => $custnum);
+ my $error = $ship_location->find_or_insert;
+ die $error if $error;
+
+ }
+
+ if ( !grep { length($opt{"ship_$_"}) } @location_editable_fields ) {
+ # Selfservice unfortunately tries to indicate "same as billing
+ # address" by sending all fields empty. Did this ever work?
+
+ my $ship_location = $cust_main->bill_location;
+ $new->set('ship_location' => $ship_location);
+
+ }
+ my $error = $new->replace( $cust_main, \@invoicing_list );
+ return { 'error' => $error } if $error;
+
+ return { 'error' => '',
+ };
+}
+