use strict;
use warnings;
-use Sub::Name ();
-use Class::Inspector ();
+use DBIx::Class::Carp;
+use DBIx::Class::_Util qw(quote_sub perlstring);
+use namespace::clean;
+
+our %_pod_inherit_config =
+ (
+ class_map => { 'DBIx::Class::Relationship::Accessor' => 'DBIx::Class::Relationship' }
+ );
sub register_relationship {
my ($class, $rel, $info) = @_;
sub add_relationship_accessor {
my ($class, $rel, $acc_type) = @_;
- my %meth;
+
if ($acc_type eq 'single') {
- my $rel_info = $class->relationship_info($rel);
- $meth{$rel} = sub {
+
+ my @qsub_args = ( {}, {
+ attributes => [qw(
+ DBIC_method_is_single_relationship_accessor
+ DBIC_method_is_generated_from_resultsource_metadata
+ )]
+ });
+
+
+ quote_sub "${class}::${rel}" => sprintf(<<'EOC', perlstring $rel), @qsub_args;
my $self = shift;
+
if (@_) {
- $self->set_from_related($rel, @_);
- return $self->{_relationship_data}{$rel} = $_[0];
- } elsif (exists $self->{_relationship_data}{$rel}) {
- return $self->{_relationship_data}{$rel};
- } else {
- my $cond = $self->result_source->resolve_condition(
- $rel_info->{cond}, $rel, $self
+ $self->set_from_related( %1$s => @_ );
+ return $self->{_relationship_data}{%1$s} = $_[0];
+ }
+ elsif (exists $self->{_relationship_data}{%1$s}) {
+ return $self->{_relationship_data}{%1$s};
+ }
+ else {
+ my $rsrc = $self->result_source;
+
+ my $jfc;
+
+ return undef if (
+
+ $rsrc->relationship_info(%1$s)->{attrs}{undef_on_null_fk}
+
+ and
+
+ $jfc = ( $rsrc->resolve_relationship_condition(
+ rel_name => %1$s,
+ foreign_alias => %1$s,
+ self_alias => 'me',
+ self_result_object => $self,
+ )->{join_free_condition} || {} )
+
+ and
+
+ grep { not defined $_ } values %%$jfc
);
- if ($rel_info->{attrs}->{undef_on_null_fk}){
- return if grep { not defined } values %$cond;
- }
- my $val = $self->find_related($rel, {}, {});
- return unless $val;
- return $self->{_relationship_data}{$rel} = $val;
+
+ my $val = $self->related_resultset( %1$s )->single;
+ return $val unless $val; # $val instead of undef so that null-objects can go through
+
+ return $self->{_relationship_data}{%1$s} = $val;
}
- };
- } elsif ($acc_type eq 'filter') {
- $class->throw_exception("No such column $rel to filter")
- unless $class->has_column($rel);
- my $f_class = $class->relationship_info($rel)->{class};
- $class->inflate_column($rel,
- { inflate => sub {
- my ($val, $self) = @_;
- return $self->find_or_new_related($rel, {}, {});
- },
- deflate => sub {
- my ($val, $self) = @_;
- $self->throw_exception("$val isn't a $f_class") unless $val->isa($f_class);
- return ($val->_ident_values)[0];
- # WARNING: probably breaks for multi-pri sometimes. FIXME
- }
+EOC
+ }
+ elsif ($acc_type eq 'filter') {
+
+ my $rsrc = $class->result_source_instance;
+
+ $rsrc->throw_exception("No such column '$rel' to filter")
+ unless $rsrc->has_column($rel);
+
+ my $f_class = $rsrc->relationship_info($rel)->{class};
+
+ $class->inflate_column($rel, {
+ inflate => sub {
+ my ($val, $self) = @_;
+ return $self->find_or_new_related($rel, {});
+ },
+ deflate => sub {
+ my ($val, $self) = @_;
+ $self->throw_exception("'$val' isn't a $f_class") unless $val->isa($f_class);
+
+ # MASSIVE FIXME - this code assumes we pointed at the PK, but the belongs_to
+ # helper does not check any of this
+ # fixup the code a bit to make things saner, but ideally 'filter' needs to
+ # be deprecated ASAP and removed shortly after
+ # Not doing so before 0.08250 however, too many things in motion already
+ my ($pk_col, @rest) = $val->result_source->_pri_cols_or_die;
+ $self->throw_exception(
+ "Relationship '$rel' of type 'filter' can not work with a multicolumn primary key on source '$f_class'"
+ ) if @rest;
+
+ my $pk_val = $val->get_column($pk_col);
+ carp_unique (
+ "Unable to deflate 'filter'-type relationship '$rel' (related object "
+ . "primary key not retrieved), assuming undef instead"
+ ) if ( ! defined $pk_val and $val->in_storage );
+
+ return $pk_val;
+ },
+ });
+
+
+ # god this is horrible...
+ my $acc =
+ $rsrc->columns_info->{$rel}{accessor}
+ ||
+ $rel
+ ;
+
+ # because CDBI may elect to never make an accessor at all...
+ if( my $main_cref = $class->can($acc) ) {
+
+ attributes->import(
+ $class,
+ $main_cref,
+ qw(
+ DBIC_method_is_filter_relationship_accessor
+ DBIC_method_is_generated_from_resultsource_metadata
+ ),
+ );
+
+ if( my $extra_cref = $class->can("_${acc}_accessor") ) {
+ attributes->import(
+ $class,
+ $extra_cref,
+ qw(
+ DBIC_method_is_filter_relationship_extra_accessor
+ DBIC_method_is_generated_from_resultsource_metadata
+ ),
+ );
}
+ }
+ }
+ elsif ($acc_type eq 'multi') {
+
+
+ my @qsub_args = (
+ {},
+ {
+ attributes => [qw(
+ DBIC_method_is_multi_relationship_accessor
+ DBIC_method_is_generated_from_resultsource_metadata
+ DBIC_method_is_indirect_sugar
+ )]
+ },
);
- } elsif ($acc_type eq 'multi') {
- $meth{$rel} = sub { shift->search_related($rel, @_) };
- $meth{"${rel}_rs"} = sub { shift->search_related_rs($rel, @_) };
- $meth{"add_to_${rel}"} = sub { shift->create_related($rel, @_); };
- } else {
- $class->throw_exception("No such relationship accessor type $acc_type");
+
+
+ quote_sub "${class}::${rel}", sprintf( <<'EOC', perlstring $rel ), @qsub_args;
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and DBIx::Class::_Util::fail_on_internal_call;
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_WANTARRAY and my $sog = DBIx::Class::_Util::fail_on_internal_wantarray;
+ shift->related_resultset(%s)->search( @_ )
+EOC
+
+
+ $qsub_args[1]{attributes}[0]
+ =~ s/^DBIC_method_is_multi_relationship_accessor$/DBIC_method_is_multi_relationship_extra_accessor/
+ or die "Unexpected attr '$qsub_args[1]{attributes}[0]' ...";
+
+
+ quote_sub "${class}::${rel}_rs", sprintf( <<'EOC', perlstring $rel ), @qsub_args;
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and DBIx::Class::_Util::fail_on_internal_call;
+ shift->related_resultset(%s)->search_rs( @_ )
+EOC
+
+
+ quote_sub "${class}::add_to_${rel}", sprintf( <<'EOC', perlstring $rel ), @qsub_args;
+ DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and DBIx::Class::_Util::fail_on_internal_call;
+ shift->create_related( %s => @_ );
+EOC
+
}
- {
- no strict 'refs';
- no warnings 'redefine';
- foreach my $meth (keys %meth) {
- my $name = join '::', $class, $meth;
- *$name = Sub::Name::subname($name, $meth{$meth});
- }
+ else {
+ $class->throw_exception("No such relationship accessor type '$acc_type'");
}
+
}
1;