[Catalyst] Model/Schema questions

Patryk Dwórznik dwuziu at bzium.net
Sun May 21 18:22:51 CEST 2006

I would really appreciate if someone could explain me how to properly  
use a DBIC model in a Catalyst application.

I've got a schema and a model class (this is almost copy&pasted from  
Catalyst manual) with a function doing some transaction in it. What I  
want to do in the following controller is to create a user object  
using the function from MyApp::Model::DB::User. Two problems emerge:
  - how to access model classes from controller?
  - how to get  the schema object in model classes?

Here's the code. I hope I don't misunderstand the whole concept. :-)

package MyApp::Controller::User

sub register {
	my( $self, $c ) = @_;

	my $user_class = $c->model('DB::User'); # this unfortunately  
returns  DBIx::Class::ResultSet
	my $user = $user_class->register(); # want to create an object


package MyApp::Model::DB::User;
use base qw/MyApp::Schema::DB::User/;

sub register {
	my( $class ) = @_;

	my $user;
	$schema->txn_do( sub { ... } ); # where to get $schema from?
	return $user;

   package MyApp::Schema::DB;
   use base qw/DBIx::Class::Schema/;


  package MyApp::Schema::DB::User;
use base qw/DBIx::Class/;

__PACKAGE__->load_components(qw/PK::Auto Core/);


package MyApp::Model::DB;
   use base qw/Catalyst::Model::DBIC::Schema/;

       schema_class => 'MyApp::Schema::DB',
       connect_info => [ ... ]

Patryk Dwórznik

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