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=c07ae6b4e729535dc0e42550ecb0ecc0c815548f;hp=f440967e4dc75e99ec5ece4631f5d030fba913a3;hb=f344cfe71ea272a712afbd2c464b37dc2de47b7f;hpb=396ed4908c6ebb6c42f7abac90f0cf5ac5610e54 diff --git a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm index f440967..c07ae6b 100644 --- a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm +++ b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm @@ -1,27 +1,36 @@ +use strict; +use warnings; package DBIx::Class::ResultSet::RecursiveUpdate; -use version; $VERSION = qv('0.002'); +use version; our $VERSION = qv('0.007'); -use warnings; -use strict; +use base qw(DBIx::Class::ResultSet); + +sub recursive_update { + my ( $self, $updates, $fixed_fields ) = @_; + return DBIx::Class::ResultSet::RecursiveUpdate::Functions::recursive_update( + resultset => $self, + updates => $updates, + fixed_fields => $fixed_fields + ); +} + +package DBIx::Class::ResultSet::RecursiveUpdate::Functions; use Carp; use Scalar::Util qw( blessed ); -use base qw(DBIx::Class::ResultSet); sub recursive_update { - my ( $self, $updates, $fixed_fields ) = @_; + my %params = @_; + my ( $self, $updates, $fixed_fields, $object ) = @params{ qw/resultset updates fixed_fields object/ }; # warn 'entering: ' . $self->result_source->from(); - carp 'fixed fields needs to be an array ref' if $fixed_fields && ref($fixed_fields) ne 'ARRAY'; my %fixed_fields; %fixed_fields = map { $_ => 1 } @$fixed_fields if $fixed_fields; - if ( blessed($updates) && $updates->isa('DBIx::Class::Row') ) { return $updates; } - - + # warn Dumper( $updates ); use Data::Dumper; # direct column accessors my %columns; @@ -32,10 +41,24 @@ sub recursive_update { # relations that that should be done after the row is inserted into the database # like has_many and might_have my %post_updates; - my %columns_by_accessor = $self->_get_columns_by_accessor; - + my %other_methods; + my %columns_by_accessor = _get_columns_by_accessor( $self ); for my $name ( keys %$updates ) { my $source = $self->result_source; + if( $name eq 'id' +# && scalar @{$source->primary_columns} == 1 + && !$source->has_column( 'id' ) + ){ + my @ids = ( $updates->{id} ); + if( ref $updates->{id} ){ + @ids = @{ $updates->{id} }; + } + my $i = 0; + for my $key ( $source->primary_columns ){ + $columns{ $key } = $ids[ $i++ ]; + } + next; + } if ( $columns_by_accessor{$name} && !( $source->has_relationship($name) && ref( $updates->{$name} ) ) ) @@ -43,11 +66,14 @@ sub recursive_update { $columns{$name} = $updates->{$name}; next; } - next if !$source->has_relationship($name); + if( !( $source->has_relationship($name) ) ){ + $other_methods{$name} = $updates->{$name}; + next; + } my $info = $source->relationship_info($name); if ( _master_relation_cond( - $source, $info->{cond}, $self->_get_pk_for_related($name) + $source, $info->{cond}, _get_pk_for_related( $self, $name) ) ) { @@ -57,26 +83,26 @@ sub recursive_update { $post_updates{$name} = $updates->{$name}; } } - # warn 'columns: ' . Dumper( \%columns ); use Data::Dumper; + # warn 'other: ' . Dumper( \%other_methods ); use Data::Dumper; - my $object; my @missing = grep { !exists $columns{$_} && !exists $fixed_fields{$_} } $self->result_source->primary_columns; - if ( !scalar @missing ) { + if ( !$object && !scalar @missing ) { $object = $self->find( \%columns, { key => 'primary' } ); } $object ||= $self->new( {} ); - -# first update columns and other accessors - so that later related records can be found + # first update columns and other accessors - so that later related records can be found for my $name ( keys %columns ) { - $object->$name( $updates->{$name} ); + $object->$name( $columns{$name} ); + } + for my $name ( keys %other_methods) { + $object->$name( $updates->{$name} ) if $object->can( $name ); } for my $name ( keys %pre_updates ) { my $info = $object->result_source->relationship_info($name); - $self->_update_relation( $name, $updates, $object, $info ); + _update_relation( $self, $name, $updates, $object, $info ); } # $self->_delete_empty_auto_increment($object); - # don't allow insert to recurse to related objects - we do the recursion ourselves # $object->{_rel_in_storage} = 1; $object->update_or_insert; @@ -86,11 +112,21 @@ sub recursive_update { next if exists $columns{$name}; my $value = $updates->{$name}; - if ( $self->is_m2m($name) ) { - my ($pk) = $self->_get_pk_for_related($name); + if ( is_m2m( $self, $name) ) { + my ($pk) = _get_pk_for_related( $self, $name); my @rows; my $result_source = $object->$name->result_source; - for my $elem ( @{ $updates->{$name} } ) { + my @updates; + if( ! defined $value ){ + next; + } + elsif( ref $value ){ + @updates = @{ $value }; + } + else{ + @updates = ( $value ); + } + for my $elem ( @updates ) { if ( ref $elem ) { push @rows, $result_source->resultset->find($elem); } @@ -105,7 +141,7 @@ sub recursive_update { } for my $name ( keys %post_updates ) { my $info = $object->result_source->relationship_info($name); - $self->_update_relation( $name, $updates, $object, $info ); + _update_relation( $self, $name, $updates, $object, $info ); } return $object; } @@ -124,7 +160,6 @@ sub _get_columns_by_accessor { sub _update_relation { my ( $self, $name, $updates, $object, $info ) = @_; - my $related_result = $self->related_resultset($name)->result_source->resultset; my $resolved = @@ -137,14 +172,30 @@ sub _update_relation { for my $sub_updates ( @{ $updates->{$name} } ) { $sub_updates = { %$sub_updates, %$resolved } if $resolved && ref( $sub_updates ) eq 'HASH'; my $sub_object = - $related_result->recursive_update( $sub_updates ); + recursive_update( resultset => $related_result, updates => $sub_updates ); } } else { my $sub_updates = $updates->{$name}; - $sub_updates = { %$sub_updates, %$resolved } if $resolved && ref( $sub_updates ) eq 'HASH'; - my $sub_object = - $related_result->recursive_update( $sub_updates ); + my $sub_object; + if( ref $sub_updates ){ + $sub_updates = { %$sub_updates, %$resolved } if $resolved && ref( $sub_updates ) eq 'HASH'; + # for might_have relationship + if( $info->{attrs}{accessor} eq 'single' && defined $object->$name ){ + $sub_object = recursive_update( + resultset => $related_result, + updates => $sub_updates, + object => $object->$name + ); + } + else{ + $sub_object = + recursive_update( resultset => $related_result, updates => $sub_updates ); + } + } + elsif( ! ref $sub_updates ){ + $sub_object = $related_result->find( $sub_updates ); + } $object->set_from_related( $name, $sub_object ); } } @@ -205,8 +256,8 @@ sub _get_pk_for_related { } # many to many case - if ( $self->is_m2m($relation) ) { - $result_source = $self->get_m2m_source($relation); + if ( is_m2m($self, $relation) ) { + $result_source = get_m2m_source($self, $relation); } return $result_source->primary_columns; } @@ -242,16 +293,33 @@ __END__ =head1 NAME -DBIx::Class::ResultSet::RecursiveUpdate - like update_or_create - but recursive +DBIx::Class::ResultSet::RecursiveUpdate - like update_or_create - but recursive =head1 VERSION -This document describes DBIx::Class::ResultSet::RecursiveUpdate version 0.001 +This document describes DBIx::Class::ResultSet::RecursiveUpdate version 0.006 =head1 SYNOPSIS +The functional interface: + + my $new_item = DBIx::Class::ResultSet::RecursiveUpdate::Functions::recursive_update({ + resultset => $schema->resultset( 'Dvd' ), + updates => { + id => 1, + owned_dvds => [ + { + title => 'One Flew Over the Cuckoo's Nest' + } + ] + } + }); + + +As ResultSet subclass: + __PACKAGE__->load_namespaces( default_resultset_class => '+DBIx::Class::ResultSet::RecursiveUpdate' ); in the Schema file (see t/lib/DBSchema.pm). Or appriopriate 'use base' in the ResultSet classes. @@ -270,7 +338,8 @@ Then: =head1 DESCRIPTION -This is the first release - so treat it as experimental. +This is still experimental. I've added a functional interface so that it can be used +in Form Processors and not require modification of the model. You can feed the ->create method with a recursive datastructure and have the related records created. Unfortunately you cannot do a similar thing with update_or_create - this module