model to copy if you're replacing it with other database abstraction
modules.
+It implements a base set of methods required for a Maypole Data Model.
+See L<Maypole::Model::Base> for these:
+
+=over 4
+
+=item adopt
+
+=item class_of
+
+=item do_edit
+
+=item list
+
+=item related
+
+=item setup_database
+
+=item fetch_objects
+
+=back
+
+=head1 Additional Commands
+
+=over
+
+=item delete
+
+Surprisingly, this command causes a database record to be forever lost.
+
+=item search
+
+The search action
+
+=back
+
+=head1 Helper Methods
+
+=over
+
+=item order
+
+=item stringify_column
+
+=item do_pager
+
+=item related_class
+
+Given an accessor name as a method, this function returns the class this accessor returns.
+
+=back
+
=cut
sub related {
return keys %{ $self->meta_info('has_many') || {} };
}
+sub related_class {
+ my ( $self, $r, $accessor ) = @_;
+ my $related = $self->related->{$accessor};
+ if ( my $mapping = $related->{args}->{mapping} ) {
+ return $related->{foreign_class}->meta_info('has_a')->{ $$mapping[0] }
+ ->{foreign_class};
+ }
+ else {
+ return $related->{foreign_class};
+ }
+}
+
sub do_edit : Exported {
my ( $self, $r ) = @_;
my $h = CGI::Untaint->new( %{ $r->{params} } );
my $oper = "like"; # For now
my %params = %{ $r->{params} };
my %values = map { $_ => { $oper, $params{$_} } }
- grep { $params{$_} and $fields{$_} } keys %params;
+ grep { length ($params{$_}) and $fields{$_} } keys %params;
$r->template("list");
if ( !%values ) { return $self->list($r) }
$r->objects(
[
$self->search_where(
- \%values, ( $order ? { order => $order } : () )
+ \%values, ( $order ? { order_by => $order } : () )
)
]
);
}
sub setup_database {
- my ( $self, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
+ my ( $class, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
$dsn ||= $config->dsn;
$u ||= $config->user;
$p ||= $config->pass;
$opts ||= $config->opts;
$config->dsn($dsn);
+ warn "No DSN set in config" unless $dsn;
$config->loader || $config->loader(
Class::DBI::Loader->new(
namespace => $namespace,
);
$config->{classes} = [ $config->{loader}->classes ];
$config->{tables} = [ $config->{loader}->tables ];
+ warn( 'Loaded tables: ' . join ',', @{ $config->{tables} } )
+ if $namespace->debug;
}
sub class_of {
return $r->config->loader->_table2class($table);
}
-1;
+sub fetch_objects {
+ my ($class,$r)=@_;
+ my @pcs = $class->primary_columns;
+ if ( $#pcs ) {
+ my %pks;
+ @pks{@pcs}=(@{$r->{args}});
+ return $class->retrieve( %pks );
+ }
+ return $class->retrieve( %$r->{args}->[0] );
+}
+1;