use strict;
use warnings;
+use base 'Class::Accessor::Grouped';
use mro 'c3';
use Carp::Clan qw/^DBIx::Class/;
-use Scalar::Util ();
-
+use Scalar::Util 'weaken';
use Lingua::EN::Inflect::Phrase ();
use DBIx::Class::Schema::Loader::Utils 'split_name';
+use File::Slurp 'slurp';
+use Try::Tiny;
+use Class::Unload ();
+use List::MoreUtils 'apply';
+use namespace::clean;
+
+our $VERSION = '0.07002';
-our $VERSION = '0.07001';
+# Glossary:
+#
+# remote_relname -- name of relationship from the local table referring to the remote table
+# local_relname -- name of relationship from the remote table referring to the local table
+# remote_method -- relationship type from remote table to local table, usually has_many
=head1 NAME
=cut
+__PACKAGE__->mk_group_accessors('simple', qw/
+ base
+ schema
+ inflect_plural
+ inflect_singular
+ relationship_attrs
+ _temp_classes
+/);
sub new {
my ( $class, $base ) = @_;
inflect_plural => $base->inflect_plural,
inflect_singular => $base->inflect_singular,
relationship_attrs => $base->relationship_attrs,
+ _temp_classes => [],
};
- Scalar::Util::weaken $self->{base}; #< don't leak
+ weaken $self->{base}; #< don't leak
+
+ bless $self => $class;
# validate the relationship_attrs arg
- if( defined $self->{relationship_attrs} ) {
- ref $self->{relationship_attrs} eq 'HASH'
+ if( defined $self->relationship_attrs ) {
+ ref $self->relationship_attrs eq 'HASH'
or croak "relationship_attrs must be a hashref";
}
- return bless $self => $class;
+ return $self;
}
return '' if !defined $relname || $relname eq '';
- if( ref $self->{inflect_plural} eq 'HASH' ) {
- return $self->{inflect_plural}->{$relname}
- if exists $self->{inflect_plural}->{$relname};
+ if( ref $self->inflect_plural eq 'HASH' ) {
+ return $self->inflect_plural->{$relname}
+ if exists $self->inflect_plural->{$relname};
}
- elsif( ref $self->{inflect_plural} eq 'CODE' ) {
- my $inflected = $self->{inflect_plural}->($relname);
+ elsif( ref $self->inflect_plural eq 'CODE' ) {
+ my $inflected = $self->inflect_plural->($relname);
return $inflected if $inflected;
}
return '' if !defined $relname || $relname eq '';
- if( ref $self->{inflect_singular} eq 'HASH' ) {
- return $self->{inflect_singular}->{$relname}
- if exists $self->{inflect_singular}->{$relname};
+ if( ref $self->inflect_singular eq 'HASH' ) {
+ return $self->inflect_singular->{$relname}
+ if exists $self->inflect_singular->{$relname};
}
- elsif( ref $self->{inflect_singular} eq 'CODE' ) {
- my $inflected = $self->{inflect_singular}->($relname);
+ elsif( ref $self->inflect_singular eq 'CODE' ) {
+ my $inflected = $self->inflect_singular->($relname);
return $inflected if $inflected;
}
# either a hashref (if some options are set), or nothing
sub _relationship_attrs {
my ( $self, $reltype ) = @_;
- my $r = $self->{relationship_attrs};
+ my $r = $self->relationship_attrs;
my %composite = (
%{ $self->_default_relationship_attrs->{$reltype} || {} },
# 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;
+ 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;
my $all_code = {};
- my $local_class = $self->{schema}->class($local_moniker);
+ my $local_class = $self->schema->class($local_moniker);
my %counters;
foreach my $rel (@$rels) {
my $remote_moniker = $rel->{remote_source}
or next;
- my $remote_class = $self->{schema}->class($remote_moniker);
- my $remote_obj = $self->{schema}->source($remote_moniker);
+ my $remote_class = $self->schema->class($remote_moniker);
+ my $remote_obj = $self->schema->source($remote_moniker);
my $remote_cols = $rel->{remote_columns} || [ $remote_obj->primary_columns ];
my $local_cols = $rel->{local_columns};
my ( $self, $local_moniker, $rel, $cond, $uniqs, $counters ) = @_;
my $remote_moniker = $rel->{remote_source};
- my $remote_obj = $self->{schema}->source( $remote_moniker );
- my $remote_class = $self->{schema}->class( $remote_moniker );
+ my $remote_obj = $self->schema->source( $remote_moniker );
+ my $remote_class = $self->schema->class( $remote_moniker );
my $remote_relname = $self->_remote_relname( $remote_obj->from, $cond);
- my $local_cols = $rel->{local_columns};
- my $local_table = $self->{schema}->source($local_moniker)->from;
+ my $local_cols = $rel->{local_columns};
+ my $local_table = $self->schema->source($local_moniker)->from;
+ my $local_class = $self->schema->class($local_moniker);
+ my $local_source = $self->schema->source($local_moniker);
- # If more than one rel between this pair of tables, use the local
- # col names to distinguish
- my ($local_relname, $local_relname_uninflected);
- if ( $counters->{$remote_moniker} > 1) {
- my $colnames = q{_} . $self->_normalize_name(join '_', @$local_cols);
- $remote_relname .= $colnames if keys %$cond > 1;
-
- $local_relname = $self->_normalize_name($local_table . $colnames);
- $local_relname =~ s/_id$//;
-
- $local_relname_uninflected = $local_relname;
- $local_relname = $self->_inflect_plural($local_relname);
- } else {
- $local_relname_uninflected = $self->_normalize_name($local_table);
- $local_relname = $self->_inflect_plural($self->_normalize_name($local_table));
- }
+ my $local_relname_uninflected = $self->_normalize_name($local_table);
+ my $local_relname = $self->_inflect_plural($self->_normalize_name($local_table));
my $remote_method = 'has_many';
# If the local columns have a UNIQUE constraint, this is a one-to-one rel
- my $local_source = $self->{schema}->source($local_moniker);
if ($self->_array_eq([ $local_source->primary_columns ], $local_cols) ||
grep { $self->_array_eq($_->[1], $local_cols) } @$uniqs) {
$remote_method = 'might_have';
$local_relname = $self->_inflect_singular($local_relname_uninflected);
}
+ # If more than one rel between this pair of tables, use the local
+ # col names to distinguish, unless the rel was created previously.
+ if ($counters->{$remote_moniker} > 1) {
+ my $relationship_exists = 0;
+
+ if (-f (my $existing_remote_file = $self->base->get_dump_filename($remote_class))) {
+ my $class = "${remote_class}Temporary";
+
+ if (not do { no strict 'refs'; %{$class . '::'} }) {
+ my $code = slurp $existing_remote_file;
+
+ $code =~ s/(?<=package $remote_class)/Temporary/g;
+
+ $code =~ s/__PACKAGE__->meta->make_immutable[^;]*;//g;
+
+ eval $code;
+ die $@ if $@;
+
+ push @{ $self->_temp_classes }, $class;
+ }
+
+ if ($class->has_relationship($local_relname)) {
+ my $rel_cols = [ sort { $a cmp $b } apply { s/^foreign\.//i }
+ (keys %{ $class->relationship_info($local_relname)->{cond} }) ];
+
+ $relationship_exists = 1 if $self->_array_eq([ sort @$local_cols ], $rel_cols);
+ }
+ }
+
+ if (not $relationship_exists) {
+ my $colnames = q{_} . $self->_normalize_name(join '_', @$local_cols);
+ $remote_relname .= $colnames if keys %$cond > 1;
+
+ $local_relname = $self->_normalize_name($local_table . $colnames);
+ $local_relname =~ s/_id$//;
+
+ $local_relname_uninflected = $local_relname;
+ $local_relname = $self->_inflect_plural($local_relname);
+
+ # if colnames were added and this is a might_have, re-inflect
+ if ($remote_method eq 'might_have') {
+ $local_relname = $self->_inflect_singular($local_relname_uninflected);
+ }
+ }
+ }
+
return ( $local_relname, $remote_relname, $remote_method );
}
+sub cleanup {
+ my $self = shift;
+
+ for my $class (@{ $self->_temp_classes }) {
+ Class::Unload->unload($class);
+ }
+
+ $self->_temp_classes([]);
+}
+
=head1 AUTHOR
See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
projects / dbsrgits/DBIx-Class-Schema-Loader.git / blobdiff