X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fp5-DBIx-Class-ResultSet-RecursiveUpdate;a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FResultSet%2FRecursiveUpdate.pm;h=2f50ee10202c44127c84530d44264d8d3555e3a3;hp=1438959cd5c237c87addab57bea33d51b43887c5;hb=edca0430a3c442627c6c771a774a0e3fc34dee99;hpb=eb13d753a7ffc84f4c63c32a07df3ec38ebaca7c diff --git a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm index 1438959..2f50ee1 100644 --- a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm +++ b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm @@ -77,29 +77,60 @@ sub recursive_update { # warn 'columns: ' . Dumper( \%columns_by_accessor ); for my $name ( keys %$updates ) { my $source = $self->result_source; - if ( $columns_by_accessor{$name} + + # columns + if ( exists $columns_by_accessor{$name} && !( $source->has_relationship($name) && ref( $updates->{$name} ) ) ) { + + #warn "$name is a column"; $columns{$name} = $updates->{$name}; next; } - if ( !( $source->has_relationship($name) ) ) { + + # relationships + if ( $source->has_relationship($name) ) { + my $info = $source->relationship_info($name); + if (_master_relation_cond( + $source, $info->{cond}, + _get_pk_for_related( $self, $name ) + ) + ) + { + + #warn "$name is a pre-update rel"; + $pre_updates{$name} = $updates->{$name}; + next; + } + else { + + #warn "$name is a post-update rel"; + $post_updates{$name} = $updates->{$name}; + next; + } + } + + # many-to-many helper accessors + if ( is_m2m( $self, $name ) ) { + + #warn "$name is a many-to-many helper accessor"; $other_methods{$name} = $updates->{$name}; next; } - my $info = $source->relationship_info($name); - if (_master_relation_cond( - $source, $info->{cond}, - _get_pk_for_related( $self, $name ) - ) - ) - { - $pre_updates{$name} = $updates->{$name}; - } - else { - $post_updates{$name} = $updates->{$name}; + + # accessors + if ( $object->can($name) && not $source->has_relationship($name) ) { + + #warn "$name is an accessor"; + $other_methods{$name} = $updates->{$name}; + next; } + + # unknown + $self->throw_exception( + "No such column, relationship, many-to-many helper accessor or generic accessor '$name'" + ); } # warn 'other: ' . Dumper( \%other_methods ); use Data::Dumper; @@ -110,11 +141,10 @@ sub recursive_update { $object->$name( $columns{$name} ); } for my $name ( keys %other_methods ) { - $object->$name( $updates->{$name} ) if $object->can($name); + $object->$name( $updates->{$name} ); } for my $name ( keys %pre_updates ) { - my $info = $object->result_source->relationship_info($name); - _update_relation( $self, $name, $updates, $object, $info, + _update_relation( $self, $name, $updates->{$name}, $object, $if_not_submitted ); } @@ -161,8 +191,7 @@ sub recursive_update { } } for my $name ( keys %post_updates ) { - my $info = $object->result_source->relationship_info($name); - _update_relation( $self, $name, $updates, $object, $info, + _update_relation( $self, $name, $updates->{$name}, $object, $if_not_submitted ); } return $object; @@ -181,9 +210,20 @@ sub _get_columns_by_accessor { return %columns; } +# Arguments: $name, $updates, $object, $if_not_submitted + sub _update_relation { - my ( $self, $name, $updates, $object, $info, $if_not_submitted ) = @_; - my $related_result = + my ( $self, $name, $updates, $object, $if_not_submitted ) = @_; + + # this should never happen because we're checking the paramters passed to + # recursive_update, but just to be sure... + $object->throw_exception("No such relationship '$name' on ") + unless $object->has_relationship($name); + + my $info = $object->result_source->relationship_info($name); + + # get a related resultset without a condition + my $related_resultset = $self->related_resultset($name)->result_source->resultset; my $resolved; if ( $self->result_source->can('_resolve_condition') ) { @@ -191,28 +231,36 @@ sub _update_relation { $self->result_source->_resolve_condition( $info->{cond}, $name, $object ); } - else { - $resolved = - $self->result_source->resolve_condition( $info->{cond}, $name, - $object ); - } - # warn 'resolved: ' . Dumper( $resolved ); use Data::Dumper; + # warn "$name resolved: " . Dumper( $resolved ); use Data::Dumper; $resolved = {} if defined $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION && $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION == $resolved; - if ( ref $updates->{$name} eq 'ARRAY' ) { + + my $rel_col_cnt = scalar keys %{ $info->{cond} }; + use Data::Dumper; + warn "RELINFO for $name: " . Dumper($info); + warn "REL_COL_CNT: $rel_col_cnt"; + + #warn "REV RELINFO for $name: " . Dumper($revrelinfo); + + # the only valid datatype for a has_many rels is an arrayref + if ( $info->{attrs}{accessor} eq 'multi') { + $self->throw_exception( "data for has_many relationship '$name' must be an arrayref") + unless ref $updates eq 'ARRAY'; + my @updated_ids; - for my $sub_updates ( @{ $updates->{$name} } ) { + for my $sub_updates ( @{$updates} ) { + warn "updating $name"; my $sub_object = recursive_update( - resultset => $related_result, + resultset => $related_resultset, updates => $sub_updates, resolved => $resolved ); push @updated_ids, $sub_object->id; } - my @related_pks = $related_result->result_source->primary_columns; + my @related_pks = $related_resultset->result_source->primary_columns; if ( defined $if_not_submitted && $if_not_submitted eq 'delete' ) { # only handles related result classes with single primary keys @@ -235,33 +283,34 @@ sub _update_relation { } } } - else { - my $sub_updates = $updates->{$name}; + elsif ($info->{attrs}{accessor} eq 'single' + || $info->{attrs}{accessor} eq 'filter' ) + { my $sub_object; - if ( ref $sub_updates ) { + if ( ref $updates ) { # for might_have relationship if ( $info->{attrs}{accessor} eq 'single' && defined $object->$name ) { $sub_object = recursive_update( - resultset => $related_result, - updates => $sub_updates, + resultset => $related_resultset, + updates => $updates, object => $object->$name ); } else { $sub_object = recursive_update( - resultset => $related_result, - updates => $sub_updates, + resultset => $related_resultset, + updates => $updates, resolved => $resolved ); } } - elsif ( !ref $sub_updates ) { - $sub_object = $related_result->find($sub_updates) + else { + $sub_object = $related_resultset->find($updates) unless ( - !$sub_updates + !$updates && ( exists $info->{attrs}{join_type} && $info->{attrs}{join_type} eq 'LEFT' ) ); @@ -269,11 +318,14 @@ sub _update_relation { $object->set_from_related( $name, $sub_object ) unless ( !$sub_object - && !$sub_updates + && !$updates && ( exists $info->{attrs}{join_type} && $info->{attrs}{join_type} eq 'LEFT' ) ); } + else { + $self->throw_exception( "recursive_update doesn't now how to handle relationship '$name' with accessor " . $info->{attrs}{accessor}); + } } sub is_m2m { @@ -578,15 +630,16 @@ Clearing the relationship: =head2 Treatment of many-to-many pseudo relations The function gets the information about m2m relations from DBIx::Class::IntrospectableM2M. -If it is not loaded in the ResultSource classes - then the code relies on the fact that: +If it isn't loaded in the ResultSource classes the code relies on the fact that: + if($object->can($name) and !$object->result_source->has_relationship($name) and $object->can( 'set_' . $name ) ) -then $name must be a many to many pseudo relation. And that in a -similarly ugly was I find out what is the ResultSource of objects from -that many to many pseudo relation. +Then $name must be a many to many pseudo relation. +And that in a similarly ugly was I find out what is the ResultSource of +objects from that many to many pseudo relation. =head1 INTERFACE