X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FDB%2FCustomer.pm;h=6f37c5221aa511a4ba77d502044f138bf463a474;hb=313c7c4d7422770b3f28ce0b5d51f867472e1fce;hp=2e3fa68562bbb50ad5d95798aa0fef1ebb4310c2;hpb=77527022ef849e10970f285717b9db5d383a1a2e;p=kivitendo-erp.git

diff --git a/SL/DB/Customer.pm b/SL/DB/Customer.pm
index 2e3fa6856..6f37c5221 100644
--- a/SL/DB/Customer.pm
+++ b/SL/DB/Customer.pm
@@ -35,7 +35,7 @@ __PACKAGE__->before_save('_before_save_set_customernumber');
 sub _before_save_set_customernumber {
   my ($self) = @_;
 
-  $self->create_trans_number if $self->customernumber eq '';
+  $self->create_trans_number if !defined $self->customernumber || $self->customernumber eq '';
   return 1;
 }
 
@@ -51,4 +51,8 @@ sub displayable_name {
   return join ' ', grep $_, $self->customernumber, $self->name;
 }
 
+sub is_customer { 1 };
+sub is_vendor   { 0 };
+sub payment_terms { goto &payment }
+
 1;