sub many_to_many {
my ($class, $meth, $rel, $f_rel, $rel_attrs) = @_;
+
+ $class->throw_exception(
+ "missing relation in many-to-many"
+ ) unless $rel;
+
+ $class->throw_exception(
+ "missing foreign relation in many-to-many"
+ ) unless $f_rel;
+
{
no strict 'refs';
no warnings 'redefine';
my $add_meth = "add_to_${meth}";
my $remove_meth = "remove_from_${meth}";
my $set_meth = "set_${meth}";
+ my $rs_meth = "${meth}_rs";
+
+ for ($add_meth, $remove_meth, $set_meth, $rs_meth) {
+ warn "***************************************************************************\n".
+ "The many-to-many relationship $meth is trying to create a utility method called $_. This will overwrite the existing method on $class. You almost certainly want to rename your method or the many-to-many relationship, as your method will not be callable (it will use the one from the relationship instead.) YOU HAVE BEEN WARNED\n".
+ "***************************************************************************\n"
+ if $class->can($_);
+ }
$rel_attrs->{alias} ||= $f_rel;
- *{"${class}::${meth}"} = sub {
+ *{"${class}::${meth}_rs"} = sub {
my $self = shift;
my $attrs = @_ > 1 && ref $_[$#_] eq 'HASH' ? pop(@_) : {};
my @args = ($f_rel, @_ > 0 ? @_ : undef, { %{$rel_attrs||{}}, %$attrs });
- $self->search_related($rel)->search_related(
+ my $rs = $self->search_related($rel)->search_related(
$f_rel, @_ > 0 ? @_ : undef, { %{$rel_attrs||{}}, %$attrs }
);
+ return $rs;
};
+ *{"${class}::${meth}"} = sub {
+ my $self = shift;
+ my $rs = $self->$rs_meth( @_ );
+ return (wantarray ? $rs->all : $rs);
+ };
+
*{"${class}::${add_meth}"} = sub {
my $self = shift;
@_ > 0 or $self->throw_exception(
}
my $link_vals = @_ > 1 && ref $_[$#_] eq 'HASH' ? pop(@_) : {};
- my $link = $self->search_related($rel)->new_result({});
+ my $link = $self->search_related($rel)->new_result($link_vals);
$link->set_from_related($f_rel, $obj);
- $link->set_columns($link_vals);
$link->insert();
+ return $obj;
};
*{"${class}::${set_meth}"} = sub {