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=8baa6dd3aa7f212d3acef5d269f712bc226fd358;hp=3929e4939b54d6fab6e1aa4c97107a1d7a822dc6;hb=26af922f6508d7731f52be6fbb09b3c4bd44b58d;hpb=863ebdd6ecb92e434d8f18f91c79ebdf0e937fe3 diff --git a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm index 3929e49..8baa6dd 100644 --- a/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm +++ b/lib/DBIx/Class/ResultSet/RecursiveUpdate.pm @@ -9,171 +9,203 @@ use Scalar::Util qw( blessed ); use base qw(DBIx::Class::ResultSet); -sub recursive_update { - my( $self, $updates, $fixed_fields ) = @_; - if( blessed( $updates ) && $updates->isa( 'DBIx::Class::Row' ) ){ +sub recursive_update { + my ( $self, $updates, $fixed_fields ) = @_; + + # warn 'entering: ' . $self->result_source->from(); + if ( blessed($updates) && $updates->isa('DBIx::Class::Row') ) { return $updates; } + if ($fixed_fields) { + carp if !( ref($fixed_fields) eq 'HASH' ); + $updates = { %$updates, %$fixed_fields }; + } + + # direct column accessors my %columns; - for my $name ( keys %$updates ){ - if( $self->is_for_column( $name, $updates->{$name} ) ){ + +# relations that that should be done before the row is inserted into the database +# like belongs_to + my %pre_updates; + +# 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; + +# warn 'columns_by_accessor: ' . Dumper( \%columns_by_accessor ); use Data::Dumper; + for my $name ( keys %$updates ) { + my $source = $self->result_source; + if ( $columns_by_accessor{$name} + && !( $source->has_relationship($name) && ref( $updates->{$name} ) ) + ) + { $columns{$name} = $updates->{$name}; + next; } - } - my $object; -# warn 'cond: ' . Dumper( $self->{cond} ); use Data::Dumper; -# warn 'where: ' . Dumper( $self->{attrs}{where} ); use Data::Dumper; - my @missing = grep { !exists $updates->{$_} && !exists $fixed_fields->{$_} } $self->result_source->primary_columns; - if( defined $self->{cond} && $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION == $self->{cond} ){ - $self->{cond} = undef; - $self->{attrs}{where} = undef; - if( ! scalar @missing ){ - $object = $self->find( \%columns, { key => 'primary' } ); + next if !$source->has_relationship($name); + my $info = $source->relationship_info($name); + if ( + _master_relation_cond( + $source, $info->{cond}, $self->_get_pk_for_related($name) + ) + ) + { + $pre_updates{$name} = $updates->{$name}; + } + else { + $post_updates{$name} = $updates->{$name}; } } - else{ + + # warn 'columns: ' . Dumper( \%columns ); use Data::Dumper; + + my $object; + my @missing = + grep { !exists $columns{$_} } $self->result_source->primary_columns; + if ( !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 - for my $name ( keys %columns ){ - $object->$name( $updates->{$name} ); +# first update columns and other accessors - so that later related records can be found + for my $name ( keys %columns ) { + $object->$name( $updates->{$name} ); } - for my $name ( keys %$updates ){ - if($object->can($name) && !$self->is_for_column( $name, $updates->{$name} ) ){ - - # updating relations that that should be done before the row is inserted into the database - # like belongs_to - my $info = $object->result_source->relationship_info( $name ); - if( $info and not $info->{attrs}{accessor} eq 'multi' - and - _master_relation_cond( $object->result_source, $info->{cond}, $self->_get_pk_for_related( $name ) ) - ){ - my $related_result = $object->related_resultset( $name ); - my $resolved = $self->result_source->resolve_condition( - $info->{cond}, $name, $object - ); -# warn 'resolved: ' . Dumper( $resolved ); use Data::Dumper; - my $sub_object = $related_result->recursive_update( $updates->{$name} ); - $object->set_from_related( $name, $sub_object ); - } - } + for my $name ( keys %pre_updates ) { + my $info = $object->result_source->relationship_info($name); + $self->_update_relation( $name, $updates, $object, $info ); } $self->_delete_empty_auto_increment($object); - # don't allow insert to recurse to related objects - we do the recursion ourselves + +# don't allow insert to recurse to related objects - we do the recursion ourselves # $object->{_rel_in_storage} = 1; -# warn Dumper( $object->{_column_data} ); $object->update_or_insert; - # updating relations that can be done only after the row is inserted into the database - # like has_many and many_to_many - for my $name ( keys %$updates ){ + # updating many_to_many + for my $name ( keys %$updates ) { + next if exists $columns{$name}; my $value = $updates->{$name}; + # many to many case - if( $self->is_m2m( $name ) ) { - my ( $pk ) = $self->_get_pk_for_related( $name ); - my @rows; - my $result_source = $object->$name->result_source; - for my $elem ( @{$updates->{$name}} ){ - if( ref $elem ){ - push @rows, $result_source->resultset->find( $elem ); - } - else{ - push @rows, $result_source->resultset->find( { $pk => $elem } ); - } + if ( $self->is_m2m($name) ) { + my ($pk) = $self->_get_pk_for_related($name); + my @rows; + my $result_source = $object->$name->result_source; + for my $elem ( @{ $updates->{$name} } ) { + if ( ref $elem ) { + push @rows, $result_source->resultset->find($elem); } - my $set_meth = 'set_' . $name; - $object->$set_meth( \@rows ); - } - elsif( $object->result_source->has_relationship($name) ){ - my $info = $object->result_source->relationship_info( $name ); - # has many case (and similar) - if( ref $updates->{$name} eq 'ARRAY' ){ - for my $sub_updates ( @{$updates->{$name}} ) { - my $sub_object = $object->search_related( $name )->recursive_update( $sub_updates ); + else { + push @rows, + $result_source->resultset->find( { $pk => $elem } ); } } - # might_have and has_one case - elsif ( ! _master_relation_cond( $object->result_source, $info->{cond}, $self->_get_pk_for_related( $name ) ) ){ - my $sub_object = $object->search_related( $name )->recursive_update( $value ); - #$object->set_from_related( $name, $sub_object ); - } + my $set_meth = 'set_' . $name; + $object->$set_meth( \@rows ); } } + for my $name ( keys %post_updates ) { + my $info = $object->result_source->relationship_info($name); + $self->_update_relation( $name, $updates, $object, $info ); + } return $object; } -sub is_for_column { - my( $self, $name, $value ) = @_; +sub _get_columns_by_accessor { + my $self = shift; my $source = $self->result_source; - return - $source->has_column($name) - && !( - $source->has_relationship($name) - && ref( $value ) - ) + my %columns; + for my $name ( $source->columns ) { + my $info = $source->column_info($name); + $info->{name} = $name; + $columns{ $info->{accessor} || $name } = $info; + } + return %columns; } +sub _update_relation { + my ( $self, $name, $updates, $object, $info ) = @_; + + my $related_result = + $self->related_resultset($name)->result_source->resultset; + my $resolved = + $self->result_source->resolve_condition( $info->{cond}, $name, $object ); + + # warn 'resolved: ' . Dumper( $resolved ); use Data::Dumper; + $resolved = undef + if $DBIx::Class::ResultSource::UNRESOLVABLE_CONDITION == $resolved; + if ( ref $updates->{$name} eq 'ARRAY' ) { + for my $sub_updates ( @{ $updates->{$name} } ) { + my $sub_object = + $related_result->recursive_update( $sub_updates, $resolved ); + } + } + else { + my $sub_object = + $related_result->recursive_update( $updates->{$name}, $resolved ); + $object->set_from_related( $name, $sub_object ); + } +} sub is_m2m { - my( $self, $relation ) = @_; + my ( $self, $relation ) = @_; my $rclass = $self->result_class; + # DBIx::Class::IntrospectableM2M - if( $rclass->can( '_m2m_metadata' ) ){ + if ( $rclass->can('_m2m_metadata') ) { return $rclass->_m2m_metadata->{$relation}; } - my $object = $self->new({}); - if ( $object->can($relation) and - !$self->result_source->has_relationship($relation) and - $object->can( 'set_' . $relation) - ){ + my $object = $self->new( {} ); + if ( $object->can($relation) + and !$self->result_source->has_relationship($relation) + and $object->can( 'set_' . $relation ) ) + { return 1; } return; } sub get_m2m_source { - my( $self, $relation ) = @_; + my ( $self, $relation ) = @_; my $rclass = $self->result_class; + # DBIx::Class::IntrospectableM2M - if( $rclass->can( '_m2m_metadata' ) ){ - return $self->result_source - ->related_source( - $rclass->_m2m_metadata->{$relation}{relation} - ) - ->related_source( - $rclass->_m2m_metadata->{$relation}{foreign_relation} - ); + if ( $rclass->can('_m2m_metadata') ) { + return $self->result_source->related_source( + $rclass->_m2m_metadata->{$relation}{relation} ) + ->related_source( + $rclass->_m2m_metadata->{$relation}{foreign_relation} ); } - my $object = $self->new({}); + my $object = $self->new( {} ); my $r = $object->$relation; return $r->result_source; } - sub _delete_empty_auto_increment { my ( $self, $object ) = @_; - for my $col ( keys %{$object->{_column_data}}){ - if( $object->result_source->column_info( $col )->{is_auto_increment} - and - ( ! defined $object->{_column_data}{$col} or $object->{_column_data}{$col} eq '' ) - ){ - delete $object->{_column_data}{$col} + for my $col ( keys %{ $object->{_column_data} } ) { + if ( + $object->result_source->column_info($col)->{is_auto_increment} + and ( !defined $object->{_column_data}{$col} + or $object->{_column_data}{$col} eq '' ) + ) + { + delete $object->{_column_data}{$col}; } } } sub _get_pk_for_related { my ( $self, $relation ) = @_; - my $result_source; - if( $self->result_source->has_relationship( $relation ) ){ - $result_source = $self->result_source->related_source( $relation ); + if ( $self->result_source->has_relationship($relation) ) { + $result_source = $self->result_source->related_source($relation); } + # many to many case - if ( $self->is_m2m( $relation ) ) { - $result_source = $self->get_m2m_source( $relation ); + if ( $self->is_m2m($relation) ) { + $result_source = $self->get_m2m_source($relation); } return $result_source->primary_columns; } @@ -181,28 +213,30 @@ sub _get_pk_for_related { sub _master_relation_cond { my ( $source, $cond, @foreign_ids ) = @_; my $foreign_ids_re = join '|', @foreign_ids; - if ( ref $cond eq 'HASH' ){ + if ( ref $cond eq 'HASH' ) { for my $f_key ( keys %{$cond} ) { + # might_have is not master my $col = $cond->{$f_key}; $col =~ s/self\.//; - if( $source->column_info( $col )->{is_auto_increment} ){ + if ( $source->column_info($col)->{is_auto_increment} ) { return 0; } - if( $f_key =~ /^foreign\.$foreign_ids_re/ ){ + if ( $f_key =~ /^foreign\.$foreign_ids_re/ ) { return 1; } } - }elsif ( ref $cond eq 'ARRAY' ){ - for my $new_cond ( @$cond ) { - return 1 if _master_relation_cond( $source, $new_cond, @foreign_ids ); + } + elsif ( ref $cond eq 'ARRAY' ) { + for my $new_cond (@$cond) { + return 1 + if _master_relation_cond( $source, $new_cond, @foreign_ids ); } } return; } - -1; # Magic true value required at end of module +1; # Magic true value required at end of module __END__ =head1 NAME