[cgiapp] Announcement: DMart Commerce Harness Module

["Bill Catlan" <suppressed>]

Hello,

Wanted to announce the features of a module on which I am putting the finishing
touches in order to gauge community interest.  The module is built upon and
extends CGI::Application.  It is used just like cgiapp.  CGI::Application
provides basic application framework, like normal. DMart provides basic
"commerce harness".  Project seeks to integrate "best of breed" modules, provide
standard templates, and a unified configuration file to an e-commerce project.
Module attributes listed below.  First release in 1 to 2 months.  Feedback
encouraged and appreciated!

Thanks.

Bill Catlan

- CGI::Application provides basic application framework

- DMart provides basic "commerce harness".  Project seeks to integrate "best of
breed" modules, provide standard templates, and unified configuration to an
e-commerce project.

- Features:

    -- integrated user login / management

    -- integrated session management (integrates CGI:Session)

    -- unified state management: config (conf), cookie (cookie), form (form),
session (sess), runtime (rt) variables managed with single interface
       |- state manager getter method ($sm->param( $name )) searches state
sources for $name in above order until match
       |- state manager setter method ($sm->param( $name, $val, $obtype )) sets
key in state sources as given by one of above "object type" tokens; default is
'sess'

    -- integrated payment processing (likely will integrate
Business::OnlinePayment)

    -- integrated cart management (likely will integrate Business::Cart)

    -- unified configuration file with interpolatable keys (built upon
Config::Inifiles)

    -- page management - default templating module is
DMart::PageManager::HTMLTemplate (uses HTML::Template); however, additional
DMart::PageManagers can be built by implementing suitable and simple
"build_page" and "finalize_page" methods

    -- integrated fatal error handler (failure after compile phase will display
formatted error page to user; $SIG{__DIE__} handler)
       |-- mostly to integrate uniform display of calls to die by integrated
modules and user application modules

- sessions are stored/restored using cookie parameter

- cart maintained / restored based upon session

- parameter keys (form, cookie, config, session, and runtime) cannot contain a
dot (.); except, config params are dot delimited (e.g., 'sect.param')

- sessions can be anonymous or require login
  |- anon session expires one hour from last request
  |- login session expires SESSION_EXPIRE (60) - 15 minutes from last request
     |-where login session, upon login-expire or logout, active session is saved
and expired until subsequent login

- all persistence occurs in database (not flat files) (MySQL currently
supported)



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