+=item set_default_invoicing_list
+
+Sets the invoicing list to all accounts associated with this customer,
+overwriting any previous invoicing list.
+
+=cut
+
+sub set_default_invoicing_list {
+ my $self = shift;
+ $self->invoicing_list($self->all_emails);
+}
+
+=item all_emails
+
+Returns the email addresses of all accounts provisioned for this customer.
+
+=cut
+
+sub all_emails {
+ my $self = shift;
+ my %list;
+ foreach my $cust_pkg ( $self->all_pkgs ) {
+ my @cust_svc = qsearch('cust_svc', { 'pkgnum' => $cust_pkg->pkgnum } );
+ my @svc_acct =
+ map { qsearchs('svc_acct', { 'svcnum' => $_->svcnum } ) }
+ grep { qsearchs('svc_acct', { 'svcnum' => $_->svcnum } ) }
+ @cust_svc;
+ $list{$_}=1 foreach map { $_->email } @svc_acct;
+ }
+ keys %list;
+}
+
+=item invoicing_list_addpost
+
+Adds postal invoicing to this customer. If this customer is already configured
+to receive postal invoices, does nothing.
+
+=cut
+
+sub invoicing_list_addpost {
+ my $self = shift;
+ return if grep { $_ eq 'POST' } $self->invoicing_list;
+ my @invoicing_list = $self->invoicing_list;
+ push @invoicing_list, 'POST';
+ $self->invoicing_list(\@invoicing_list);
+}
+
+=item referral_cust_main [ DEPTH [ EXCLUDE_HASHREF ] ]
+
+Returns an array of customers referred by this customer (referral_custnum set
+to this custnum). If DEPTH is given, recurses up to the given depth, returning
+customers referred by customers referred by this customer and so on, inclusive.
+The default behavior is DEPTH 1 (no recursion).
+
+=cut
+
+sub referral_cust_main {
+ my $self = shift;
+ my $depth = @_ ? shift : 1;
+ my $exclude = @_ ? shift : {};
+
+ my @cust_main =
+ map { $exclude->{$_->custnum}++; $_; }
+ grep { ! $exclude->{ $_->custnum } }
+ qsearch( 'cust_main', { 'referral_custnum' => $self->custnum } );
+
+ if ( $depth > 1 ) {
+ push @cust_main,
+ map { $_->referral_cust_main($depth-1, $exclude) }
+ @cust_main;
+ }
+
+ @cust_main;
+}
+
+=item referral_cust_main_ncancelled
+
+Same as referral_cust_main, except only returns customers with uncancelled
+packages.
+
+=cut
+
+sub referral_cust_main_ncancelled {
+ my $self = shift;
+ grep { scalar($_->ncancelled_pkgs) } $self->referral_cust_main;
+}
+
+=item referral_cust_pkg [ DEPTH ]
+
+Like referral_cust_main, except returns a flat list of all unsuspended (and
+uncancelled) packages for each customer. The number of items in this list may
+be useful for comission calculations (perhaps after a C<grep { my $pkgpart = $_->pkgpart; grep { $_ == $pkgpart } @commission_worthy_pkgparts> } $cust_main-> ).
+
+=cut
+
+sub referral_cust_pkg {
+ my $self = shift;
+ my $depth = @_ ? shift : 1;
+
+ map { $_->unsuspended_pkgs }
+ grep { $_->unsuspended_pkgs }
+ $self->referral_cust_main($depth);
+}
+
+=item credit AMOUNT, REASON
+
+Applies a credit to this customer. If there is an error, returns the error,
+otherwise returns false.
+
+=cut
+
+sub credit {
+ my( $self, $amount, $reason ) = @_;
+ my $cust_credit = new FS::cust_credit {
+ 'custnum' => $self->custnum,
+ 'amount' => $amount,
+ 'reason' => $reason,
+ };
+ $cust_credit->insert;
+}
+
+=item charge AMOUNT [ PKG [ COMMENT [ TAXCLASS ] ] ]
+
+Creates a one-time charge for this customer. If there is an error, returns
+the error, otherwise returns false.
+
+=cut
+
+sub charge {
+ my ( $self, $amount ) = ( shift, shift );
+ my $pkg = @_ ? shift : 'One-time charge';
+ my $comment = @_ ? shift : '$'. sprintf("%.2f",$amount);
+ my $taxclass = @_ ? shift : '';
+
+ local $SIG{HUP} = 'IGNORE';
+ local $SIG{INT} = 'IGNORE';
+ local $SIG{QUIT} = 'IGNORE';
+ local $SIG{TERM} = 'IGNORE';
+ local $SIG{TSTP} = 'IGNORE';
+ local $SIG{PIPE} = 'IGNORE';
+
+ my $oldAutoCommit = $FS::UID::AutoCommit;
+ local $FS::UID::AutoCommit = 0;
+ my $dbh = dbh;
+
+ my $part_pkg = new FS::part_pkg ( {
+ 'pkg' => $pkg,
+ 'comment' => $comment,
+ 'setup' => $amount,
+ 'freq' => 0,
+ 'recur' => '0',
+ 'disabled' => 'Y',
+ 'taxclass' => $taxclass,
+ } );
+
+ my $error = $part_pkg->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ my $pkgpart = $part_pkg->pkgpart;
+ my %type_pkgs = ( 'typenum' => $self->agent->typenum, 'pkgpart' => $pkgpart );
+ unless ( qsearchs('type_pkgs', \%type_pkgs ) ) {
+ my $type_pkgs = new FS::type_pkgs \%type_pkgs;
+ $error = $type_pkgs->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+ }
+
+ my $cust_pkg = new FS::cust_pkg ( {
+ 'custnum' => $self->custnum,
+ 'pkgpart' => $pkgpart,
+ } );
+
+ $error = $cust_pkg->insert;
+ if ( $error ) {
+ $dbh->rollback if $oldAutoCommit;
+ return $error;
+ }
+
+ $dbh->commit or die $dbh->errstr if $oldAutoCommit;
+ '';
+
+}
+
+=item cust_bill
+
+Returns all the invoices (see L<FS::cust_bill>) for this customer.
+
+=cut
+
+sub cust_bill {
+ my $self = shift;
+ sort { $a->_date <=> $b->_date }
+ qsearch('cust_bill', { 'custnum' => $self->custnum, } )
+}
+
+=item open_cust_bill
+
+Returns all the open (owed > 0) invoices (see L<FS::cust_bill>) for this
+customer.
+
+=cut
+
+sub open_cust_bill {
+ my $self = shift;
+ grep { $_->owed > 0 } $self->cust_bill;
+}
+