Have you read the Dancer advent calendar article about serializers? http://advent.perldancer.org/2014/11

You can use Plack::Builder to mount two separate apps together, and they can still share sessions:

$ cat MyApp/lib/MyApp.pm
package MyApp;
use Dancer2;

our $VERSION = '0.1';

get '/' => sub {
    session foo => 'bar';
    template 'index';
};

true;

$ cat MyApp/lib/MyApp/API.pm
package MyApp::API;
use Dancer2;

set serializer => 'JSON';

get '/' => sub {
    my $foo = session('foo') // 'fail';
    return { foo => $foo };
};

true;

$ cat MyApp/bin/app.psgi
#!/usr/bin/env perl

use strict;
use warnings;
use FindBin;
use lib "$FindBin::Bin/../lib";

use MyApp;
use MyApp::API;
use Plack::Builder;

builder {
    mount '/'    => MyApp->to_app;
    mount '/api' => MyApp::API->to_app;
};

And the test:

$ cat session_test
#!/usr/bin/env perl

use strict;
use warnings;
use 5.010;

use WWW::Mechanize;

my $mech = WWW::Mechanize->new;

my $base_url = 'http://localhost:5000/';
my $api_url = $base_url . 'api/';

$mech->get($base_url);
$mech->get($api_url);

say $mech->content(raw => 1);

$ ./session_test
{"foo":"bar"}

On Thu, Mar 19, 2015 at 6:51 AM, Zahir Lalani <ZahirLalani@oliver-marketing.com> wrote:

Hi All

A little confused about the serialiser scope. I get that in the config file, it will apply to the entire application. I have a need to setup template driven routes and ajax routes. So I have a number of route files, and all use the app name to link the routes into one application. Had assumed that the “set serialiser “ would be active in the current package only (i.e. the ajax routes file) but it seems it applies to the application since all routes are linked into the same application.

I have hunted for clues, but in all honesty I am a little confused as to the solution. I know creating a separate app would work, but these routes are part of the same app and need to be centrally controlled in terms of session management etc.

Any advice most appreciated

Z

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