use strict;
use warnings;
-
+use Sub::Name ();
use base qw/Class::Data::Inheritable/;
use Clone;
=head1 NAME
-DBIx::Class::CDBICompat::Relationships
+DBIx::Class::CDBICompat::Relationships - Emulate has_a(), has_many(), might_have() and meta_info()
=head1 DESCRIPTION
=cut
sub has_a {
+ my($self, $col, @rest) = @_;
+
+ $self->_declare_has_a($col, @rest);
+ $self->_mk_inflated_column_accessor($col);
+
+ return 1;
+}
+
+
+sub _declare_has_a {
my ($self, $col, $f_class, %args) = @_;
- $self->throw_exception( "No such column ${col}" ) unless $self->has_column($col);
+ $self->throw_exception( "No such column ${col}" )
+ unless $self->has_column($col);
$self->ensure_class_loaded($f_class);
-
+
my $rel_info;
if ($args{'inflate'} || $args{'deflate'}) { # Non-database has_a
$args{'deflate'} = sub { shift->$meth; };
}
$self->inflate_column($col, \%args);
-
+
$rel_info = {
class => $f_class
};
$self->belongs_to($col, $f_class);
$rel_info = $self->result_source_instance->relationship_info($col);
}
-
+
$rel_info->{args} = \%args;
-
+
$self->_extend_meta(
has_a => $col,
$rel_info
);
-
+
return 1;
}
+sub _mk_inflated_column_accessor {
+ my($class, $col) = @_;
+
+ return $class->mk_group_accessors('inflated_column' => $col);
+}
sub has_many {
my ($class, $rel, $f_class, $f_key, $args) = @_;
no strict 'refs';
no warnings 'redefine';
my $post_proc = sub { my $o = shift; $o = $o->$_ for @f_method; $o; };
- *{"${class}::${rel}"} =
+ my $name = join '::', $class, $rel;
+ *$name = Sub::Name::subname $name,
sub {
my $rs = shift->search_related($rel => @_);
$rs->{attrs}{record_filter} = $post_proc;
sub might_have {
my ($class, $rel, $f_class, @columns) = @_;
-
+
my $ret;
if (ref $columns[0] || !defined $columns[0]) {
$ret = $class->next::method($rel, $f_class, @columns);
might_have => $rel,
$rel_info
);
-
+
return $ret;
}