[Handel] credit card processing questions

Christopher H. Laco claco at chrislaco.com
Thu Dec 8 06:11:06 CET 2005

Christopher H. Laco wrote:
>>Now I'm beginnin to understand your idea of a plugable
>>system....and I like it!  I do have one question.  Do
>>I have to make the plugin/sub function 
>>CHECKOUT_PHASE_AUTHORIZE or is that an arbitrary name
>>that you chose.  I have the same question about the
> I just reread that. The register sub is required...the handler it calls
> can be anything. CHECKOUT_PHASE_AUTHORIZE just talls the checkout
> process what phase it should call your handler sub.
>   sub register {
>     my ($self, $ctx) = @_;
>     $ctx->add_handler(CHECKOUT_PHASE_AUTHORIZE, \&anyoldcrap);
>   };
>    sub anyoldcrap {};
> -=Chris

For the brave, I've added the start of custom phase constant code to
trunk @ http://handelframework.com/svn/CPAN/Handel/trunk

In short, it's:

use Handel::Checkout;
Handel::Checkout->add_phase('CHECKOUT_PHASE_CUSTOMPHASENAME', 37, 1);
# add_phase($name, $value [, $import])


# plugin code
sub register {
	$ctx->add_handler(CHECKOUT_PHASE_CUSTOMPHASENAME, &myhandler);

There are of course, a few caveats. Since all of this happens well after
import() and Exporter magic, you're on your own in terms of whether the
constant/subname is actually available. You can always use the long version:

  Handel::Constants::CHECKOUT_PHASE_CUSTOMPHASENAME, &myhandler

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