X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=SL%2FDB%2FLetter.pm;h=0753d67590d42b1f2f42b95b4db56c3b4a41efb2;hb=0ebb8f829ac2d23b65e8d993c7d03aa0b172b637;hp=27b0cff47060aca16e8592f1bfdcb70822f1b2b3;hpb=7196276bca4a155d1bcc3947859bc7d4ec1edcd6;p=kivitendo-erp.git

diff --git a/SL/DB/Letter.pm b/SL/DB/Letter.pm
index 27b0cff47..0753d6759 100644
--- a/SL/DB/Letter.pm
+++ b/SL/DB/Letter.pm
@@ -28,4 +28,28 @@ sub new_from_draft {
   $self;
 }
 
+sub is_sales {
+  die 'not an accessor' if @_ > 1;
+  $_[0]{customer_id} * 1;
+}
+
+sub has_customer_vendor {
+  my ($self) = @_;
+  die 'not an accessor' if @_ > 1;
+
+  return $self->is_sales
+    ? ($self->customer_id && $self->customer)
+    : ($self->vendor_id   && $self->vendor);
+}
+
+sub customer_vendor {
+  die 'not an accessor' if @_ > 1;
+  $_[0]->is_sales ? $_[0]->customer : $_[0]->vendor;
+}
+
+sub customer_vendor_id {
+  die 'not an accessor' if @_ > 1;
+  $_[0]->customer_id || $_[0]->vendor_id;
+}
+
 1;