[Catalyst] how could I pass a variable from Model to Controller?

J. Shirley jshirley at gmail.com
Tue Nov 18 14:13:28 GMT 2008

On Mon, Nov 17, 2008 at 11:49 PM,  <redicaps at gmail.com> wrote:
> HI all:
> I am a Catalyst beginner and run into this problem
> since I have a model like this
> package MyApp::Model::Trial;
> use strict;
> use warnings;
> sub new{
> my $pack = shift;
> my $self = bless {
> foo => 'default value foo',
> },$pack;
> return $self;
> }
> sub get{
> return shift->{'foo'};
> }
> 1
> how could I pass this "foo" to the controller?
> I tried some code like this
> my $a = $c->model('Trial::new');
> $c->stash->{word} = $a->get;
> or
> my $a = $c->model('Trial');
> $c->stash->{word} = $a->get;
> both of them run into some exceptions
> thx for helping

First off, models are instantiated by Catalyst so if you create your
own 'new' method you are not going to be doing the right thing.

Second, if all you are trying to do is having default configured
values it is much better to use accessors and let Catalyst handle the
configuration, like so:

package MyApp::Model::Trial;

use warnings;
use strict;

use base 'Catalyst::Model'; # You must inherit from this
use Class::Accessor::Fast; # Use this to generate the accessor methods

# Make an accessor for 'foo'

    'foo' => 'default foo value'



That really is all there is to it.  When Catalyst loads, it will load
everything in the Controller, Model and View namespaces based on the
base classes (Catalyst::Model, which in turn inherits from a common
base class called Catalyst::Component)

Now to acess 'foo' you can just use the simple accessor (and setter):

# or
$c->model('Trial')->foo("new value");

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