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;
+ my $rel_info;
if ($args{'inflate'} || $args{'deflate'}) { # Non-database has_a
if (!ref $args{'inflate'}) {
}
$self->inflate_column($col, \%args);
- $rel = {
+ $rel_info = {
class => $f_class
};
}
else {
$self->belongs_to($col, $f_class);
- $rel = $self->result_source_instance->relationship_info($col);
+ $rel_info = $self->result_source_instance->relationship_info($col);
}
+ $rel_info->{args} = \%args;
+
$self->_extend_meta(
has_a => $col,
- $rel
+ $rel_info
);
-
+
return 1;
}
+sub _mk_inflated_column_accessor {
+ my($class, $col) = @_;
+
+ return $class->mk_group_accessors('inflated_column' => $col);
+}
sub has_many {
my ($class, $rel, $f_class, $f_key, $args) = @_;
if (ref $f_key eq 'HASH' && !$args) { $args = $f_key; undef $f_key; };
$args ||= {};
- if (delete $args->{no_cascade_delete}) {
+ my $cascade = delete $args->{cascade} || '';
+ if (delete $args->{no_cascade_delete} || $cascade eq 'None') {
$args->{cascade_delete} = 0;
}
+ elsif( $cascade eq 'Delete' ) {
+ $args->{cascade_delete} = 1;
+ }
+ elsif( length $cascade ) {
+ warn "Unemulated cascade option '$cascade' in $class->has_many($rel => $f_class)";
+ }
if( !$f_key and !@f_method ) {
+ $class->ensure_class_loaded($f_class);
my $f_source = $f_class->result_source_instance;
($f_key) = grep { $f_source->relationship_info($_)->{class} eq $class }
$f_source->relationships;
$class->next::method($rel, $f_class, $f_key, $args);
+ my $rel_info = $class->result_source_instance->relationship_info($rel);
+ $args->{mapping} = \@f_method;
+ $args->{foreign_key} = $f_key;
+ $rel_info->{args} = $args;
+
$class->_extend_meta(
has_many => $rel,
- $class->result_source_instance->relationship_info($rel)
+ $rel_info
);
if (@f_method) {
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;
$ret = $class->next::method($rel, $f_class, undef,
{ proxy => \@columns });
}
-
+
+ my $rel_info = $class->result_source_instance->relationship_info($rel);
+ $rel_info->{args}{import} = \@columns;
+
$class->_extend_meta(
might_have => $rel,
- $class->result_source_instance->relationship_info($rel)
+ $rel_info
);
return $ret;
$class->__meta_info(\%hash);
}
+
sub meta_info {
my ($class, $type, $rel) = @_;
my $meta = $class->__meta_info;