X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FSchema%2FLoader%2FRelBuilder.pm;h=4d5912a4e0551bb7d18a47633b4b5bead8346861;hb=04e60ed2698d8c8cf2d817cace84f94827bbbc4f;hp=59a5638cd8e3a2cb940c227667cb79889b418199;hpb=c39e403eb77720d9ca58e60c321d880e7a163b4d;p=dbsrgits%2FDBIx-Class-Schema-Loader.git diff --git a/lib/DBIx/Class/Schema/Loader/RelBuilder.pm b/lib/DBIx/Class/Schema/Loader/RelBuilder.pm index 59a5638..4d5912a 100644 --- a/lib/DBIx/Class/Schema/Loader/RelBuilder.pm +++ b/lib/DBIx/Class/Schema/Loader/RelBuilder.pm @@ -2,10 +2,11 @@ package DBIx::Class::Schema::Loader::RelBuilder; use strict; use warnings; +use Class::C3; use Carp::Clan qw/^DBIx::Class/; use Lingua::EN::Inflect::Number (); -our $VERSION = '0.04999_07'; +our $VERSION = '0.04999_14'; =head1 NAME @@ -75,17 +76,23 @@ arguments, like so: =cut sub new { - my ( $class, $schema, $inflect_pl, $inflect_singular ) = @_; + + my ( $class, $schema, $inflect_pl, $inflect_singular, $rel_attrs ) = @_; my $self = { schema => $schema, inflect_plural => $inflect_pl, inflect_singular => $inflect_singular, + relationship_attrs => $rel_attrs, }; - bless $self => $class; + # validate the relationship_attrs arg + if( defined $self->{relationship_attrs} ) { + ref($self->{relationship_attrs}) eq 'HASH' + or croak "relationship_attrs must be a hashref"; + } - $self; + return bless $self => $class; } @@ -121,6 +128,23 @@ sub _inflect_singular { return Lingua::EN::Inflect::Number::to_S($relname); } +# accessor for options to be passed to each generated relationship +# type. take single argument, the relationship type name, and returns +# either a hashref (if some options are set), or nothing +sub _relationship_attrs { + my ( $self, $reltype ) = @_; + my $r = $self->{relationship_attrs}; + return unless $r && ( $r->{all} || $r->{$reltype} ); + + my %composite = %{ $r->{all} || {} }; + if( my $specific = $r->{$reltype} ) { + while( my ($k,$v) = each %$specific ) { + $composite{$k} = $v; + } + } + return \%composite; +} + sub _array_eq { my ($a, $b) = @_; @@ -151,11 +175,35 @@ sub _uniq_fk_rel { sub _remote_attrs { my ($self, $local_moniker, $local_cols) = @_; - # If the referring column is nullable, make 'belongs_to' an outer join: + # get our base set of attrs from _relationship_attrs, if present + my $attrs = $self->_relationship_attrs('belongs_to') || {}; + + # If the referring column is nullable, make 'belongs_to' an + # outer join, unless explicitly set by relationship_attrs my $nullable = grep { $self->{schema}->source($local_moniker)->column_info($_)->{is_nullable} } @$local_cols; + $attrs->{join_type} = 'LEFT' + if $nullable && !defined $attrs->{join_type}; + + return $attrs; +} + +sub _remote_relname { + my ($self, $remote_table, $cond) = @_; + + my $remote_relname; + # for single-column case, set the remote relname to the column + # name, to make filter accessors work, but strip trailing _id + if(scalar keys %{$cond} == 1) { + my ($col) = values %{$cond}; + $col =~ s/_id$//; + $remote_relname = $self->_inflect_singular($col); + } + else { + $remote_relname = $self->_inflect_singular(lc $remote_table); + } - return $nullable ? { join_type => 'LEFT' } : (); + return $remote_relname; } sub generate_code { @@ -193,18 +241,7 @@ sub generate_code { } my $local_relname; - my $remote_relname; - - # for single-column case, set the remote relname to the column - # name, to make filter accessors work, but strip trailing _id - if(scalar keys %cond == 1) { - my ($col) = values %cond; - $col =~ s/_id$//; - $remote_relname = $self->_inflect_singular($col); - } - else { - $remote_relname = $self->_inflect_singular(lc $remote_table); - } + my $remote_relname = $self->_remote_relname($remote_table, \%cond); # If more than one rel between this pair of tables, use the local # col names to distinguish @@ -244,6 +281,7 @@ sub generate_code { args => [ $local_relname, $local_class, \%rev_cond, + $self->_relationship_attrs($remote_method), ], } ); @@ -252,4 +290,15 @@ sub generate_code { return $all_code; } +=head1 AUTHOR + +See L and L. + +=head1 LICENSE + +This library is free software; you can redistribute it and/or modify it under +the same terms as Perl itself. + +=cut + 1;