Extend proxy rel attr

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Relationship / Base.pm

diff --git a/lib/DBIx/Class/Relationship/Base.pm b/lib/DBIx/Class/Relationship/Base.pm
index d6563f4..6c64754 100644 (file)
--- a/lib/DBIx/Class/Relationship/Base.pm
+++ b/lib/DBIx/Class/Relationship/Base.pm
@@ -3,8 +3,9 @@ package DBIx::Class::Relationship::Base;
 use strict;
 use warnings;
 
-use Scalar::Util ();
 use base qw/DBIx::Class/;
+
+use Scalar::Util qw/weaken blessed/;
 use Try::Tiny;
 use namespace::clean;
 
@@ -92,7 +93,11 @@ Explicitly specifies the type of join to use in the relationship. Any SQL
 join type is valid, e.g. C<LEFT> or C<RIGHT>. It will be placed in the SQL
 command immediately before C<JOIN>.
 
-=item proxy
+=item proxy =E<gt> $column | \@columns | \%column
+
+=over 4
+
+=item \@columns
 
 An arrayref containing a list of accessors in the foreign class to create in
 the main class. If, for example, you do the following:
@@ -108,6 +113,25 @@ Then, assuming MyDB::Schema::LinerNotes has an accessor named notes, you can do:
   $cd->notes('Notes go here'); # set notes -- LinerNotes object is
                                # created if it doesn't exist
 
+=item \%column
+
+A hashref where each key is the accessor you want installed in the main class,
+and its value is the name of the original in the fireign class.
+
+  MyDB::Schema::Track->belongs_to( cd => 'DBICTest::Schema::CD', 'cd', {
+      proxy => { cd_title => 'title' },
+  });
+
+This will create an accessor named C<cd_title> on the C<$track> row object.
+
+=back
+
+NOTE: you can pass a nested struct too, for example:
+
+  MyDB::Schema::Track->belongs_to( cd => 'DBICTest::Schema::CD', 'cd', {
+    proxy => [ 'year', { cd_title => 'title' } ],
+  });
+
 =item accessor
 
 Specifies the type of accessor that should be created for the relationship.
@@ -255,10 +279,10 @@ sub related_resultset {
       foreach my $rev_rel (keys %$reverse) {
         if ($reverse->{$rev_rel}{attrs}{accessor} && $reverse->{$rev_rel}{attrs}{accessor} eq 'multi') {
           $attrs->{related_objects}{$rev_rel} = [ $self ];
-          Scalar::Util::weaken($attrs->{related_object}{$rev_rel}[0]);
+          weaken $attrs->{related_object}{$rev_rel}[0];
         } else {
           $attrs->{related_objects}{$rev_rel} = $self;
-          Scalar::Util::weaken($attrs->{related_object}{$rev_rel});
+          weaken $attrs->{related_object}{$rev_rel};
         }
       }
     }
@@ -459,7 +483,7 @@ sub set_from_related {
   if (defined $f_obj) {
     my $f_class = $rel_info->{class};
     $self->throw_exception( "Object $f_obj isn't a ".$f_class )
-      unless Scalar::Util::blessed($f_obj) and $f_obj->isa($f_class);
+      unless blessed $f_obj and $f_obj->isa($f_class);
   }
   $self->set_columns(
     $self->result_source->_resolve_condition(