many-many rel fix

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

diff --git a/lib/DBIx/Class/Relationship/ManyToMany.pm b/lib/DBIx/Class/Relationship/ManyToMany.pm
index ea004e3..1e6b93b 100644 (file)
--- a/lib/DBIx/Class/Relationship/ManyToMany.pm
+++ b/lib/DBIx/Class/Relationship/ManyToMany.pm
@@ -6,6 +6,15 @@ use warnings;
 
 sub many_to_many {
   my ($class, $meth, $rel, $f_rel, $rel_attrs) = @_;
+
+  $class->throw_exception(
+    "missing relation in many-to-many"
+  ) unless $rel;
+
+  $class->throw_exception(
+    "missing foreign relation in many-to-many"
+  ) unless $f_rel;
+
   {
     no strict 'refs';
     no warnings 'redefine';
@@ -13,16 +22,26 @@ sub many_to_many {
     my $add_meth = "add_to_${meth}";
     my $remove_meth = "remove_from_${meth}";
     my $set_meth = "set_${meth}";
+    my $rs_meth = "${meth}_rs";
 
-    *{"${class}::${meth}"} = sub {
+    $rel_attrs->{alias} ||= $f_rel;
+
+    *{"${class}::${meth}_rs"} = sub {
       my $self = shift;
       my $attrs = @_ > 1 && ref $_[$#_] eq 'HASH' ? pop(@_) : {};
       my @args = ($f_rel, @_ > 0 ? @_ : undef, { %{$rel_attrs||{}}, %$attrs });
-      $self->search_related($rel)->search_related(
+      my $rs = $self->search_related($rel)->search_related(
         $f_rel, @_ > 0 ? @_ : undef, { %{$rel_attrs||{}}, %$attrs }
       );
+         return $rs;
     };
 
+       *{"${class}::${meth}"} = sub {
+               my $self = shift;
+               my $rs = $self->$rs_meth( @_ );
+               return (wantarray ? $rs->all : $rs);
+       };
+
     *{"${class}::${add_meth}"} = sub {
       my $self = shift;
       @_ > 0 or $self->throw_exception(
@@ -47,10 +66,10 @@ sub many_to_many {
       }
 
       my $link_vals = @_ > 1 && ref $_[$#_] eq 'HASH' ? pop(@_) : {};
-      my $link = $self->search_related($rel)->new_result({});
+      my $link = $self->search_related($rel)->new_result($link_vals);
       $link->set_from_related($f_rel, $obj);
-      $link->set_columns($link_vals);
       $link->insert();
+         return $obj;
     };
 
     *{"${class}::${set_meth}"} = sub {
@@ -58,8 +77,9 @@ sub many_to_many {
       @_ > 0 or $self->throw_exception(
         "{$set_meth} needs a list of objects or hashrefs"
       );
+      my @to_set = (ref($_[0]) eq 'ARRAY' ? @{ $_[0] } : @_);
       $self->search_related($rel, {})->delete;
-      $self->$add_meth(shift) while (defined $_[0]);
+      $self->$add_meth($_) for (@to_set);
     };
 
     *{"${class}::${remove_meth}"} = sub {