X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCDBICompat%2FHasA.pm;h=647674f1bd73454cfe62a84bc038e4952ca512cd;hb=fdb8385a961f14c3fd4ecf321c7ea6465066d306;hp=fe8521466a9ef2c25a66f7149e31f6ab614b0708;hpb=9f300b1bcbbaef6d0a3e6fffb37e05119bd2c8cd;p=dbsrgits%2FDBIx-Class-Historic.git

diff --git a/lib/DBIx/Class/CDBICompat/HasA.pm b/lib/DBIx/Class/CDBICompat/HasA.pm
index fe85214..647674f 100644
--- a/lib/DBIx/Class/CDBICompat/HasA.pm
+++ b/lib/DBIx/Class/CDBICompat/HasA.pm
@@ -1,28 +1,46 @@
-package DBIx::Class::CDBICompat::HasA;
+package # hide from PAUSE
+    DBIx::Class::CDBICompat::HasA;
 
 use strict;
 use warnings;
 
 sub has_a {
-  my ($self, $col, $f_class) = @_;
-  $self->throw( "No such column ${col}" ) unless $self->_columns->{$col};
-  eval "require $f_class";
-  my ($pri, $too_many) = keys %{ $f_class->_primaries };
-  $self->throw( "has_a only works with a single primary key; ${f_class} has more" )
-    if $too_many;
-  $self->add_relationship($col, $f_class,
-                            { "foreign.${pri}" => "self.${col}" },
-                            { _type => 'has_a' } );
-  $self->inflate_column($col,
-    { inflate => sub { 
-        my ($val, $self) = @_;
-        return ($self->search_related($col, {}, {}))[0]
-          || $f_class->new({ $pri => $val }); },
-      deflate => sub {
-        my ($val, $self) = @_;
-        $self->throw("$val isn't a $f_class") unless $val->isa($f_class);
-        return ($val->_ident_values)[0] } } );
+  my ($self, $col, $f_class, %args) = @_;
+  $self->throw_exception( "No such column ${col}" ) unless $self->has_column($col);
+  $self->ensure_class_loaded($f_class);
+  if ($args{'inflate'} || $args{'deflate'}) { # Non-database has_a
+    if (!ref $args{'inflate'}) {
+      my $meth = $args{'inflate'};
+      $args{'inflate'} = sub { $f_class->$meth(shift); };
+    }
+    if (!ref $args{'deflate'}) {
+      my $meth = $args{'deflate'};
+      $args{'deflate'} = sub { shift->$meth; };
+    }
+    $self->inflate_column($col, \%args);
+    return 1;
+  }
+
+  $self->belongs_to($col, $f_class);
   return 1;
 }
 
+sub search {
+  my $self = shift;
+  my $attrs = {};
+  if (@_ > 1 && ref $_[$#_] eq 'HASH') {
+    $attrs = { %{ pop(@_) } };
+  }
+  my $where = (@_ ? ((@_ == 1) ? ((ref $_[0] eq "HASH") ? { %{+shift} } : shift)
+                               : {@_})
+                  : undef());
+  if (ref $where eq 'HASH') {
+    foreach my $key (keys %$where) { # has_a deflation hack
+      $where->{$key} = ''.$where->{$key}
+        if eval { $where->{$key}->isa('DBIx::Class') };
+    }
+  }
+  $self->next::method($where, $attrs);
+}
+
 1;