sub _generate_m2ms {
my ($self, $all_code) = @_;
- foreach my $class (sort keys %$all_code) {
- my $rels = $all_code->{$class};
- next unless (grep $_->{method} eq 'belongs_to', @$rels) == 2;
+ LINK_CLASS:
+ foreach my $link_class (sort keys %$all_code) {
+ my @rels = grep $_->{method} eq 'belongs_to', @{$all_code->{$link_class}};
+ next unless @rels == 2;
- my $class1_local_moniker = $rels->[0]{extra}{remote_moniker};
- my $class1_remote_moniker = $rels->[1]{extra}{remote_moniker};
+ my @class;
+ foreach my $this (0, 1) {
+ my $that = $this ? 0 : 1;
+ my %class;
+ $class[$this] = \%class;
+ $class{local_moniker} = $rels[$this]{extra}{remote_moniker};
+ $class{remote_moniker} = $rels[$that]{extra}{remote_moniker};
- my $class2_local_moniker = $rels->[1]{extra}{remote_moniker};
- my $class2_remote_moniker = $rels->[0]{extra}{remote_moniker};
+ $class{class} = $rels[$this]{args}[1];
- my $class1 = $rels->[0]{args}[1];
- my $class2 = $rels->[1]{args}[1];
+ $class{link_table_rel} = first {
+ $_->{method} eq 'has_many' && $_->{args}[1] eq $link_class
+ } @{ $all_code->{$class{class}} };
- my $class1_to_link_table_rel = first {
- $_->{method} eq 'has_many' && $_->{args}[1] eq $class
- } @{ $all_code->{$class1} };
+ next LINK_CLASS unless $class{link_table_rel};
- next unless $class1_to_link_table_rel;
+ $class{link_table_rel_name} = $class{link_table_rel}{args}[0];
- my $class1_to_link_table_rel_name = $class1_to_link_table_rel->{args}[0];
+ $class{link_rel} = $rels[$that]{args}[0];
- my $class2_to_link_table_rel = first {
- $_->{method} eq 'has_many' && $_->{args}[1] eq $class
- } @{ $all_code->{$class2} };
+ $class{from_cols} = [ apply { s/^self\.//i } values %{
+ $class{link_table_rel}->{args}[2]
+ } ];
- next unless $class2_to_link_table_rel;
-
- my $class2_to_link_table_rel_name = $class2_to_link_table_rel->{args}[0];
-
- my $class1_link_rel = $rels->[1]{args}[0];
- my $class2_link_rel = $rels->[0]{args}[0];
-
- my @class1_from_cols = apply { s/^self\.//i } values %{
- $class1_to_link_table_rel->{args}[2]
- };
-
- my @class1_link_cols = apply { s/^self\.//i } values %{ $rels->[1]{args}[2] };
-
- my @class1_to_cols = apply { s/^foreign\.//i } keys %{ $rels->[1]{args}[2] };
-
- my @class2_from_cols = apply { s/^self\.//i } values %{
- $class2_to_link_table_rel->{args}[2]
- };
-
- my @class2_link_cols = apply { s/^self\.//i } values %{ $rels->[0]{args}[2] };
-
- my @class2_to_cols = apply { s/^foreign\.//i } keys %{ $rels->[0]{args}[2] };
+ $class{to_cols} = [ apply { s/^foreign\.//i } keys %{ $rels[$that]{args}[2] } ];
+ }
- my $link_moniker = $rels->[0]{extra}{local_moniker};
+ my $link_moniker = $rels[0]{extra}{local_moniker};
my @link_table_cols =
@{[ $self->schema->source($link_moniker)->columns ]};
my @link_table_primary_cols =
@{[ $self->schema->source($link_moniker)->primary_columns ]};
- next unless @class1_link_cols + @class2_link_cols == @link_table_cols
+ next unless @{$class[0]{to_cols}} + @{$class[1]{to_cols}} == @link_table_cols
&& @link_table_cols == @link_table_primary_cols;
- my ($class1_to_class2_relname) = $self->_rel_name_map(
- ($self->_inflect_plural($class1_link_rel))[0],
- 'many_to_many',
- $class1,
- $class1_local_moniker,
- \@class1_from_cols,
- $class2,
- $class1_remote_moniker,
- \@class1_to_cols,
- {
- link_class => $class,
- link_moniker => $link_moniker,
- link_rel_name => $class1_to_link_table_rel_name,
- },
- );
-
- $class1_to_class2_relname = $self->_resolve_relname_collision(
- $class1_local_moniker,
- \@class1_from_cols,
- $class1_to_class2_relname,
- );
-
- my ($class2_to_class1_relname) = $self->_rel_name_map(
- ($self->_inflect_plural($class2_link_rel))[0],
- 'many_to_many',
- $class1,
- $class2_local_moniker,
- \@class2_from_cols,
- $class2,
- $class2_remote_moniker,
- \@class2_to_cols,
- {
- link_class => $class,
- link_moniker => $link_moniker,
- link_rel_name => $class2_to_link_table_rel_name,
- },
- );
-
- $class2_to_class1_relname = $self->_resolve_relname_collision(
- $class2_local_moniker,
- \@class2_from_cols,
- $class2_to_class1_relname,
- );
-
- push @{$all_code->{$class1}}, {
- method => 'many_to_many',
- args => [
- $class1_to_class2_relname,
- $class1_to_link_table_rel_name,
- $class1_link_rel,
- $self->_relationship_attrs('many_to_many', {}, {
- rel_type => 'many_to_many',
- rel_name => $class1_to_class2_relname,
- local_source => $self->schema->source($class1_local_moniker),
- remote_source => $self->schema->source($class1_remote_moniker),
- local_table => $self->loader->class_to_table->{$class1},
- local_cols => \@class1_from_cols,
- remote_table => $self->loader->class_to_table->{$class2},
- remote_cols => \@class2_from_cols,
- }) || (),
- ],
- extra => {
- local_class => $class1,
- link_class => $class,
- local_moniker => $class1_local_moniker,
- remote_moniker => $class1_remote_moniker,
- },
- };
+ foreach my $this (0, 1) {
+ my $that = $this ? 0 : 1;
+ ($class[$this]{m2m_relname}) = $self->_rel_name_map(
+ ($self->_inflect_plural($class[$this]{link_rel}))[0],
+ 'many_to_many',
+ @{$class[$this]}{qw(class local_moniker from_cols)},
+ $class[$that]{class},
+ @{$class[$this]}{qw(remote_moniker to_cols)},
+ {
+ link_class => $link_class,
+ link_moniker => $link_moniker,
+ link_rel_name => $class[$this]{link_table_rel_name},
+ },
+ );
- push @{$all_code->{$class2}}, {
- method => 'many_to_many',
- args => [
- $class2_to_class1_relname,
- $class2_to_link_table_rel_name,
- $class2_link_rel,
- $self->_relationship_attrs('many_to_many', {}, {
- rel_type => 'many_to_many',
- rel_name => $class2_to_class1_relname,
- local_source => $self->schema->source($class2_local_moniker),
- remote_source => $self->schema->source($class2_remote_moniker),
- local_table => $self->loader->class_to_table->{$class2},
- local_cols => \@class2_from_cols,
- remote_table => $self->loader->class_to_table->{$class1},
- remote_cols => \@class1_from_cols,
- }) || (),
- ],
- extra => {
- local_class => $class2,
- link_class => $class,
- local_moniker => $class2_local_moniker,
- remote_moniker => $class2_remote_moniker,
- },
- };
+ $class[$this]{m2m_relname} = $self->_resolve_relname_collision(
+ @{$class[$this]}{qw(local_moniker from_cols m2m_relname)},
+ );
+ }
+
+ for my $this (0, 1) {
+ my $that = $this ? 0 : 1;
+
+ push @{$all_code->{$class[$this]{class}}}, {
+ method => 'many_to_many',
+ args => [
+ @{$class[$this]}{qw(m2m_relname link_table_rel_name link_rel)},
+ $self->_relationship_attrs('many_to_many', {}, {
+ rel_type => 'many_to_many',
+ rel_name => $class[$this]{class2_relname},
+ local_source => $self->schema->source($class[$this]{local_moniker}),
+ remote_source => $self->schema->source($class[$this]{remote_moniker}),
+ local_table => $self->loader->class_to_table->{$class[$this]{class}},
+ local_cols => $class[$this]{from_cols},
+ remote_table => $self->loader->class_to_table->{$class[$that]{class}},
+ remote_cols => $class[$that]{from_cols},
+ }) || (),
+ ],
+ extra => {
+ local_class => $class[$this]{class},
+ link_class => $link_class,
+ local_moniker => $class[$this]{local_moniker},
+ remote_moniker => $class[$this]{remote_moniker},
+ },
+ };
+ }
}
}
projects / dbsrgits/DBIx-Class-Schema-Loader.git / commitdiff