use Class::Unload ();
use Class::Inspector ();
-our $VERSION = '0.07025';
+our $VERSION = '0.07035';
# Glossary:
#
=head2 generate_code
-Arguments:
-
+Arguments:
+
[
[ local_moniker1 (scalar), fk_info1 (arrayref), uniq_info1 (arrayref) ]
[ local_moniker2 (scalar), fk_info2 (arrayref), uniq_info2 (arrayref) ]
# validate the relationship_attrs arg
if( defined $self->relationship_attrs ) {
- ref $self->relationship_attrs eq 'HASH'
- or croak "relationship_attrs must be a hashref";
+ (ref $self->relationship_attrs eq 'HASH' || ref $self->relationship_attrs eq 'CODE')
+ or croak "relationship_attrs must be a hashref or coderef";
}
return $self;
},
} }
-# 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
+# Accessor for options to be passed to each generated relationship type. takes
+# the relationship type name and optionally any attributes from the database
+# (such as FK ON DELETE/UPDATE and DEFERRABLE clauses), and returns a
+# hashref or undef if nothing is set.
+#
+# The attributes from the database override the default attributes, which in
+# turn are overridden by user supplied attributes.
sub _relationship_attrs {
- my ( $self, $reltype ) = @_;
+ my ( $self, $reltype, $db_attrs, $params ) = @_;
my $r = $self->relationship_attrs;
my %composite = (
%{ $self->_default_relationship_attrs->{$reltype} || {} },
- %{ $r->{all} || {} }
+ %{ $db_attrs || {} },
+ (
+ ref $r eq 'HASH' ? (
+ %{ $r->{all} || {} },
+ %{ $r->{$reltype} || {} },
+ )
+ :
+ ()
+ ),
);
- if( my $specific = $r->{$reltype} ) {
- while( my ($k,$v) = each %$specific ) {
- $composite{$k} = $v;
- }
+ if (ref $r eq 'CODE') {
+ $params->{attrs} = \%composite;
+
+ my %ret = %{ $r->(%$params) || {} };
+
+ %composite = %ret if %ret;
}
- return \%composite;
+
+ return %composite ? \%composite : undef;
}
sub _strip_id_postfix {
}
sub _remote_attrs {
- my ($self, $local_moniker, $local_cols) = @_;
+ my ($self, $local_moniker, $local_cols, $fk_attrs, $params) = @_;
- # get our base set of attrs from _relationship_attrs, if present
- my $attrs = $self->_relationship_attrs('belongs_to') || {};
+ # get our set of attrs from _relationship_attrs, which uses the FK attrs if available
+ my $attrs = $self->_relationship_attrs('belongs_to', $fk_attrs, $params) || {};
# If any referring column is nullable, make 'belongs_to' an
# outer join, unless explicitly set by relationship_attrs
sub generate_code {
my ($self, $tables) = @_;
-
+
# make a copy to destroy
my @tables = @$tables;
$remote_relname = $self->_resolve_relname_collision($local_moniker, $local_cols, $remote_relname);
$local_relname = $self->_resolve_relname_collision($remote_moniker, $remote_cols, $local_relname);
+ my $rel_attrs_params = {
+ rel_name => $remote_relname,
+ rel_type => $local_method,
+ local_source => $self->schema->source($local_moniker),
+ remote_source => $self->schema->source($remote_moniker),
+ local_table => $rel->{local_table},
+ local_cols => $local_cols,
+ remote_table => $rel->{remote_table},
+ remote_cols => $remote_cols,
+ };
+
push(@{$all_code->{$local_class}},
{ method => $local_method,
args => [ $remote_relname,
$remote_class,
\%cond,
- $self->_remote_attrs($local_moniker, $local_cols),
+ $self->_remote_attrs($local_moniker, $local_cols, $rel->{attrs}, $rel_attrs_params),
],
extra => {
local_class => $local_class,
delete $rev_cond{$_};
}
+ $rel_attrs_params = {
+ rel_name => $local_relname,
+ rel_type => $remote_method,
+ local_source => $self->schema->source($remote_moniker),
+ remote_source => $self->schema->source($local_moniker),
+ local_table => $rel->{remote_table},
+ local_cols => $remote_cols,
+ remote_table => $rel->{local_table},
+ remote_cols => $local_cols,
+ };
+
push(@{$all_code->{$remote_class}},
{ method => $remote_method,
args => [ $local_relname,
$local_class,
\%rev_cond,
- $self->_relationship_attrs($remote_method),
+ $self->_relationship_attrs($remote_method, {}, $rel_attrs_params),
],
extra => {
local_class => $remote_class,
my @class2_to_cols = apply { s/^foreign\.//i } keys %{ $rels->[0]{args}[2] };
+ my $link_moniker = $rels->[0]{extra}{local_moniker};
+
my @link_table_cols =
- @{[ $self->schema->source($rels->[0]{extra}{local_moniker})->columns ]};
+ @{[ $self->schema->source($link_moniker)->columns ]};
my @link_table_primary_cols =
- @{[ $self->schema->source($rels->[0]{extra}{local_moniker})->primary_columns ]};
+ @{[ $self->schema->source($link_moniker)->primary_columns ]};
next unless @class1_link_cols + @class2_link_cols == @link_table_cols
&& @link_table_cols == @link_table_primary_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(
$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(
my $rel_name_mapped;
($relname_new, $rel_name_mapped) = $self->_rel_name_map($relname_new, $rel->{method}, $local_class, $local_moniker, \@from_cols, $to_class, $remote_moniker, \@to_cols);
-
+
my $mapped = $inflect_mapped || $rel_name_mapped;
warn <<"EOF" unless $mapped;
sub _rel_name_map {
my ($self, $relname, $method, $local_class, $local_moniker, $local_cols,
- $remote_class, $remote_moniker, $remote_cols) = @_;
+ $remote_class, $remote_moniker, $remote_cols, $extra) = @_;
my $info = {
+ %{$extra || {}},
name => $relname,
type => $method,
local_class => $local_class,