79 lines
2.0 KiB
Perl
79 lines
2.0 KiB
Perl
package # hide from PAUSE
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DBIx::Class::Relationship::CascadeActions;
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use strict;
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use warnings;
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use DBIx::Class::Carp;
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use namespace::clean;
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our %_pod_inherit_config =
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(
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class_map => { 'DBIx::Class::Relationship::CascadeActions' => 'DBIx::Class::Relationship' }
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);
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sub delete {
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my ($self, @rest) = @_;
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return $self->next::method(@rest) unless ref $self;
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# I'm just ignoring this for class deletes because hell, the db should
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# be handling this anyway. Assuming we have joins we probably actually
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# *could* do them, but I'd rather not.
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my $source = $self->result_source;
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my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
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my @cascade = grep { $rels{$_}{attrs}{cascade_delete} } keys %rels;
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if (@cascade) {
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my $guard = $source->schema->txn_scope_guard;
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my $ret = $self->next::method(@rest);
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foreach my $rel (@cascade) {
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if( my $rel_rs = eval{ $self->search_related($rel) } ) {
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$rel_rs->delete_all;
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} else {
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carp "Skipping cascade delete on relationship '$rel' - related resultsource '$rels{$rel}{class}' is not registered with this schema";
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next;
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}
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}
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$guard->commit;
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return $ret;
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}
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$self->next::method(@rest);
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}
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sub update {
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my ($self, @rest) = @_;
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return $self->next::method(@rest) unless ref $self;
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# Because update cascades on a class *really* don't make sense!
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my $source = $self->result_source;
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my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
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my @cascade = grep { $rels{$_}{attrs}{cascade_update} } keys %rels;
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if (@cascade) {
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my $guard = $source->schema->txn_scope_guard;
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my $ret = $self->next::method(@rest);
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foreach my $rel (@cascade) {
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next if (
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$rels{$rel}{attrs}{accessor}
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&&
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$rels{$rel}{attrs}{accessor} eq 'single'
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&&
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!exists($self->{_relationship_data}{$rel})
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);
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$_->update for grep defined, $self->$rel;
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}
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$guard->commit;
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return $ret;
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}
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$self->next::method(@rest);
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}
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1;
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